Publications related to EISCAT and IMAGE magnetometer networks

This list is mainly limited to papers published in international journals.

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Lockwood, M., A.D. Farmer, H.J. Opgenoorth and S.R. Crothers, 1984: EISCAT observations of plasma convection and the high-latitude, winter F-region during substorm activity. J. Atmos. Terr. Phys., 46, 489-499.

Lühr, H., N. Klöcker and S. Thürey, 1984: Ground-based observations of a very intense substorm-related pulsation event. J. Geophys., 55, 41-53.

Lühr, H., S. Thürey and N. Klöcker, 1984: The EISCAT-Magnetometer Cross. Operational Aspects-First Results. Geophys. Surv., 6, 305-315.


Klöcker, N., H. Lühr, A. Korth and P. Robert, 1985: Observation of kinetic Alfvén waves excited at substorm onset. J. Geophys., 57, 65-71.

Misra, K.D., E. Nielsen and H. Lühr, 1985: STARE and SABRE Observations of a Pc 5 Pulsation With Large Azimuthal Wave Number During a Storm Period. J. Geophys. Res., 90, 10923-10934.


Wilkinson, P.J., E. Nielsen and H. Lühr, 1986: Ionospheric Conductances: Associations Between Ionospheric E Region Electric Fields and Ground Magnetometer Variations. J. Geophys. Res., 91, 5839-5849.


Baumjohann, W., N. Sckopke, J. LaBelle, B. Klecker, H. Lühr and K.H. Glassmeier, 1987: Plasma and Field Observations of a Compressional Pc 5 Wave Event. J. Geophys. Res., 92, 12203-12212.


Buchert, S., W. Baumjohann, G. Haerendel, C. La Hoz and H. Lühr, 1988: Magnetometer and incoherent scatter observations of an intense Ps 6 pulsation event. J. Atmos. Terr. Phys., 50, 357-367.

Lühr, H. and S. Buchert, 1988: Observational Evidence for a Link between Currents in the Geotail and in the Auroral Ionosphere. Ann. Geophys., 6, 169-175.

Nielsen, E., C. Senior and H. Lühr, 1988: Ionospheric Hall Conductivity Deduced From Ground-Based Measurements. J. Geophys. Res., 93, 4125-4130.

Richmond, A.D., Y. Kamide, B.-H. Ahn, S.-I. Akasofu, D. Alcaydé, M. Blanc, O. de la Beaujardiére, D.S. Evans, J.C. Foster, E. Friis-Christensen, T.J. Fuller-Rowell, J.M. Holt, D. Knipp, H.W. Kroehl, R.P. Lepping, R.J. Pellinen, C. Senior and A. Zaitzev, 1988: Mapping electrodynamic features of the high-latitude ionosphere from localized observations: combined incoherentscatter radar and magnetometer measurements for January 18-19, 1984. J. Geophys. Res., 93, 5760-5776.

Williams, P.J.S., G. Crowley, K. Schlegel, T.S. Virdi, I. Mccrea, G. Watkins, N. Wade, J.K. Hargreaves, T. Lachlan-Cope, H. Muller, J.E. Baldwin, P. Warner, A.P. van Eyken, M.A. Hapgood and A.S. Rodger, 1988: The generation and propagation of atmospheric gravity waves observed during the Worldwide Atmospheric Gravity-wave Study (WAGS). J. Atmos. Terr. Phys., 50, 323-338.


Araki, T., K. Schlegel and H. Lühr, 1989: Geomagnetic Effects of the Hall and Pedersen Current Flowing in the Auroral Ionosphere J. Geophys. Res., 94, 17185-17199.

Häkkinen, L., C. Sucksdorff and R. Pirjola, 1989: EISCAT Magnetometer Cross and Theoretical Studies Connected with the Electrojet Current System. Geophysica, 25, 123-134.

Korja, T., S.-E. Hjelt, P. Kaikkonen, K. Koivukoski, T.M. Rasmussen and R.G. Roberts, 1989: The geoelectric model of the POLAR Profile, Northern Finland. Tectonophysics, 162, 113-133.

Opgenoorth, H.J., B. Bromage, D. Fontaine, C. La Hoz, A. Huuskonen, H. Kohl, U.-P. Løvhaug, G. Wannberg, G. Gustafsson, J.S. Murphree, L. Eliasson, G. Marklund, T.A. Potemra, S. Kirkwood, E. Nielsen and J.-E. Wahlund, 1989: Coordinated observations with EISCAT and the Viking satellite: The decay of a westward travelling surge. Ann. Geophys., 7, 470-500.

Potemra, T.A., H. Lühr, L.J. Zanetti, K. Takahashi, R.E. Erlandson, G.T. Marklund, L.P. Block, L.G. Blomberg and R.P. Lepping, 1989: Multisatellite and Ground-Based Observations of Transient ULF Waves. J. Geophys. Res., 94, 2543-2554.

Taylor, M. J., G. Chisham and D. Orr, 1989: Pulsating auroral forms and their association with geomagnetic giant pulsations. Planet. Space Sci., 37, 1477-1481, 1483-1484.


Buchert, S., G. Haerendel and W. Baumjohann, 1990: A Model for the Electric Fields and Currents During a Strong Ps 6 Pulsation Event. J. Geophys. Res., 95, 3733-3743.

Chisham, G., D. Orr, M.J. Taylor and H. Lühr, 1990: The magnetic and optical signature of a Pg pulsation. Planet. Space Sci., 38, 1443-1456.

Lopez, R.E., H. Lühr, B.J. Anderson, P.T. Newell and R.W. Mcentire, 1990: Multipoint Observations of a Small Substorm. J. Geophys. Res., 95, 18897-18912.

Lühr, H., W. Baumjohann and T.A. Potemra, 1990: The AMPTE Lithium release in the solar wind: A possible trigger for geomagnetic pulsations. Geophys. Res. Lett., 17, 2301-2304.

Pellinen, R. J., H.E.J. Koskinen, T.I. Pulkkinen, J.S. Murphree, G. Rostoker and H.J. Opgenoorth, 1990: Satellite and Ground-Based Observations of a Fading Transpolar Arc. J. Geophys. Res., 95, 5817-5824.

Richmond, A.D., Y. Kamide, S.-I. Akasofu, D. Alcaydé, M. Blanc, O. de la Beaujardiére, D.S. Evans, J.C. Foster, E. Friis-Christensen, J.M. Holt, R.J. Pellinen, C. Senior and A. Zaitzev, 1990: Global Measures of Ionospheric Electrodynamic Activity Inferred From Combined Incoherent Scatter Radar and Ground Magnetometer Observations. J. Geophys. Res., 95, 1061-1071.

Sandahl, I., L. Eliasson, A. Pellinen-Wannberg, G. Rostoker, L.P. Block, R.E. Erlandson, E. Friis-Christensen, B. Jacobsen, H. Lühr and J.S. Murphree, 1990: Distribution of Auroral Precipitation at Midnight During a Magnetic Storm. J. Geophys. Res., 95, 6051-6072.

Warnecke, J., H. Lühr and K. Takahashi, 1990: Observational features of field line resonances excited by solar wind pressure variations on 4 September 1984. Planet. Space Sci., 38, 1517-1531.

Yeoman, T. K., M. Lester, D. Orr and H. Lühr, 1990: Ionospheric boundary conditions of hydromagnetic waves: the dependence on azimuthal wavenumber and a case study. Planet. Space Sci., 38, 1315-1325.

Yumoto, K., K. Takahashi, T. Sakurai, P. R. Sutcliffe, S. Kokubun, H. Lühr, T. Saito, M. Kuwashima and N. Sato, 1990: Multiple Ground-Based and Satellite Observations of Global Pi 2 Magnetic Pulsations. J. Geophys. Res., 95, 15175-15184.


Chisham, G. and D. Orr, 1991: Statistical studies of giant pulsations (Pgs) - harmonic mode. Planet. Space Sci., 39, 999-1006.

Kotikov, A.L., B.D. Bolotynskaya, V.A. Gizler, O.A. Troshichev, A.B. Pashin and V.R. Tagirov, 1991: Structure of auroral zone phenomena from the data of meridional chains of stations: magnetic disturbances in the nighttime auroral zone and auroras. J. Atmos. Terr. Phys., 53, 265-274.


Chisham, G., D. Orr and T.K. Yeoman, 1992: Observations of a giant pulsation across an extended array of ground magnetometers and on auroral radar. Planet. Space Sci., 40, 953-964.

Sutcliffe, P.R. and E. Nielsen, 1992: The Ionospheric Signature of Pi 2 Pulsations Observed by STARE. J. Geophys. Res., 97, 10621-10636.

Takahashi, K., N. Sato, J. Warnecke, H. Lühr, H.E. Spence and Y. Tonegawa, 1992: On the standing wave mode of giant pulsations. J. Geophys. Res., 97, 10,717-10,732.

Yeoman, T. K., T. Mao, M. Lester and T. B. Jones, 1992: A study of Pc5 hydromagnetic waves with equatorward phase propagation. Planet. Space Sci., 40, 797-810.


Aikio, A.T., H.J. Opgenoorth, M.A.L. Persson and K.U. Kaila, 1993: Ground-based measurements of an arc-associated electric field. J. Atmos. Terr. Phys., 55, 797-808.

Koskinen, H.E.J., R.E. Lopez, R.J. Pellinen, T.I. Pulkkinen, D.N. Baker and T. Bösinger, 1993: Pseudobreakup and Substorm Growth Phase in the Ionosphere and Magnetosphere. J. Geophys. Res., 98, 5801-5813.

Lester, M., O. de la Beaujardiére, J.C. Foster, M.P. Freeman, H. Lühr, J.M. Ruohoniemi and W. Swider, 1993: The response of the large scale ionospheric convection pattern to changes in the IMF and substorms: Results from the SUNDIAL 1987 campaign. Ann. Geophys., 11, 556-571.

Lopez, R. E., H. E. J. Koskinen, T.I. Pulkkinen, T. Bösinger, R.W. Mcentire and T.A. Potemra, 1993: Simultaneous Observation of the Poleward Expansion of Substorm Electrojet Activity and the Tailward Expansion of Current Sheet Disruption in the Near-Earth Magnetotail. J. Geophys. Res., 98, 9285-9295.

Lühr, H., W. Blawert and H. Todd, 1993: The ionospheric plasma flow and current patterns of travelling convection vortices: a case study. J. Atmos. Terr. Phys., 55, 1717-1727.

Vogelsang, H., H. Lühr, H. Voelker, J. Woch, T. Bösinger, T.A. Potemra and P.-A. Lindqvist, 1993: An ionospheric travelling convection vortex event observed by ground-based magnetometers and by Viking. Geophys. Res. Lett., 20, 2343-2346.

Williams, P.J.S., T.S. Virdi, R.V. Lewis, M. Lester, A.S. Rodger, I.W. Mccrea and K.S.C. Freeman, 1993: World-wide atmospheric gravity-wave study in the European sector 1985-1990. J. Atmos. Terr. Phys., 55, 683-696.


Lühr, H., 1994: The IMAGE Magnetometer Network. STEP International, 4, No. 10, 4-6.

Lühr, H. and W. Blawert, 1994: Ground signatures of travelling convection vortices. Solar Wind Sources of Magnetospheric ULF Waves, Eds. Engebretsen, Takahashi and Scholer. AGU Geophys. Monograph, 81, 231-.

Lühr, H., H. Geisler and K. Schlegel, 1994: Current Density Models of the Eastward Electrojet Derived from Ground-Based Magnetic Field and Radar Measurements. J. Atmos. Terr. Phys., 56, 81-91.

Lühr, H. and K. Schlegel, 1994: Combined measurements of EISCAT and the EISCAT magnetometer cross to study omega bands. J. Geophys. Res., 99, 8951-8959.

McDiarmid, D. R., T.K. Yeoman, I.F. Grant, W. Allan, 1994: Simultaneous observation of a traveling vortex structure in the morning sector and a field line resonance in the postnoon sector. J. Geophys. Res., 99, 8891-8904.

Sato, M., Y. Kamide, A.D. Richmond, A. Brekke and S. Nozawa, 1994: Regional estimation of electric fields and currents in the polar ionosphere. Geophys. Res. Lett., 22, 283-286.

Vo, H.B., J.S. Murphree, R.D. Elphinstone, R.C. Elphic, E. Friis-Christensen, H. Lühr and D.G. Sibeck, 1994: Multipoint observations of a dayside transient event. J. Geophys. Res., 99, 13409-13423.

Yeoman, T.K., H. Lühr, R.W.H. Friedel, S. Coles, M. Grandé, C.H. Perry, M. Lester, P.N. Smith, H.J. Singer and D. Orr, 1994: CRRES/Ground-based multi-instrument observations of an interval of substorm activity. Ann. Geophys., 12, 1158-1173.


Ahn, B.-H., Y. Kamide, H.W. Kroehl, M. Candidi and J.S. Murphree, 1995: Substorm changes of the electrodynamic quantities in the polar ionosphere: CDAW 9. J. Geophys. Res., 100, 23845-23856.

Amm, O., 1995: Direct determination of the local ionospheric Hall conductance distribution from two-dimensional electric and magnetic field data: Application of the method using models of typical ionospheric electrodynamic situations. J. Geophys. Res., 100, 21473-21488.

Cramoysan, M., R. Bunting and D. Orr, 1995: The use of a model current wedge in the determination of the position of substorm current models. Ann. Geophys., 13, 583-594.

Fagundes, P.R., A.L. Aruliah, D. Rees and J.A. Bittencourt, 1995: Gravity wave generation and propagation during geomagnetic storms over Kiruna (67.8o N, 20.4o E). Ann. Geophys., 13, 358-366.

Gazey, N.G.J., M. Lockwood, P.N. Smith, S. Coles, R.J. Bunting, M. Lester, A.D. Aylward, T.K. Yeoman and H. Lühr, 1995: Development of substorm cross-tail current disruption as seen from the ground. J. Geophys. Res., 100(A6), 9633-9648, doi:10.1029/94JA02322.

Janhunen, P., T.I. Pulkkinen and K. Kauristie, 1995: Auroral fading in ionosphere-magnetosphere coupling model: Implications for possible mechanisms. Geophys. Res. Lett., 22, 2049-2052.

Kauristie, K., 1995: Statistical fits for auroral oval boundaries during the substorm sequence. J. Geophys. Res., 100, 21885-21895.

Kauristie, K., T.I. Pulkkinen, R.J. Pellinen, P. Janhunen, A. Huuskonen, A. Viljanen, H.J. Opgenoorth, W.J. Heikkila and D.N. Baker, 1995: Analysis of the Substorm Trigger Phase Using Multiple Ground-Based Instrumentation. Geophys. Res. Lett., 22, 2065-2068.

Lester, M., M. Lockwood, T.K. Yeoman, S.W.H. Cowley, H. Lühr, R. Bunting and C.J. Farrugia, 1995: The response of ionospheric convection in the polar cap to substorm activity. Ann. Geophys., 13, 147-158.

Lui, A.T.Y., R.D. Elphinstone, J.S. Murphree, M.G. Henderson, H.B. Vo, L.L. Cogger, H. Lühr, S. Ohtani, P.T. Newell and G.D. Reeves, 1995: Special features of a substorm during high solar wind dynamic pressure. J. Geophys. Res., 100, 19095-19107.

Morelli, J.P., R.J. Bunting, S.W.H. Cowley, C.J. Farrugia, M.P. Freeman, E. Friis-Christensen, G.O.L. Jones, M. Lester, R.V. Lewis, H. Lühr, D. Orr, M. Pinnock, G.D. Reeves, P.J.S. Williams, T.K. Yeoman, 1995: Radar observations of auroral zone flows during a multiple-onset substorm. Ann. Geophys., 13, 1144-1163.

Sato, M. and Y. Kamide, 1995: Estimate of Global and Regional Distributions of Ionospheric Electrodynamic Quantities from EISCAT Radar and Ground Magnetometer Data. J. Geomag. Geoelectr., 47, 759-770.

Viljanen, A., K. Kauristie and K. Pajunpää, 1995: On induction effects at EISCAT and IMAGE magnetometer stations. Geophys. J. Int., 121, 893-906.

Viljanen, A. and L. Szarka, 1995: Analogue model studies of induction effects at auroral latitudes. Ann. Geophys., 13, 1187-1196.

Yahnin, A., E. Titova, A. Lubchich, T. Bösinger, J. Manninen, T. Turunen, T. Hansen, O. Troshichev and A. Kotikov, 1995: Dayside high latitude magnetic impulsive events: their characteristics and relationship to sudden impulses. J. Atmos. Terr. Phys., 57, 1569-1582.


Aikio, A.T. and K.U. Kaila, 1996: A substorm observed by EISCAT and other ground-based instruments - evidence for near-earth substorm initiation. J. Atmos. Terr. Phys., 58, 5-21.

Amm, O., 1996: Improved electrodynamic modeling of an omega band and analysis of its current system. J. Geophys. Res., 101, 2677-2683.

Bösinger, T., K. Kaila, R. Rasinkangas, P. Pollari, J. Kangas, V. Trakhtengerts, A. Demekhov and T. Turunen, 1996: An EISCAT study of a pulsating auroral arc: simultaneous ionospheric electron density, auroral luminosity and magnetic field pulsations. J. Atmos. Terr. Phys., 58, 23-35.

Chisham, G., 1996: Giant pulsations: An explanation for their rarity and occurrence during geomagnetically quiet times. J. Geophys. Res., 101, 24755-24763.

Foster, C. and M. Lester, 1996: Observations of nightside auroral plasma upflows in the F-region and topside ionosphere. Ann. Geophys., 14, 1274-1283.

Frey, H.U., G. Haerendel, S. Buchert and B.S. Lanchester, 1996: Auroral-arc splitting by intrusion of a new convection channel. Ann. Geophys., 14, 1257-1264.

Frey, H.U., G. Haerendel, D. Knudsen, S. Buchert and O.H. Bauer, 1996: Optical and radar observations of the motion of auroral arcs. J. Atmos. Terr. Phys., 58, 57-69.

Henderson, M.G., G.D. Reeves and R.D. Belian, 1996: Observations of magnetospheric substorms occurring with no apparent solar wind/IMF trigger. J. Geophys. Res., 101, 10773-10791.

Kauristie, K., T.I. Pulkkinen, R.J. Pellinen and H.J. Opgenoorth, 1996: What can we tell about global auroral-electrojet activity from a single meridional magnetometer data? Ann. Geophys., 14, 1177-1185.

Kikuchi, T., H. Lühr, T. Kitamura, O. Saka and K. Schlegel, 1996: Direct penetration of the polar electric field to the equator during a DP 2 event as detected by the auroral and equatorial magnetometer chains and the EISCAT radar. J. Geophys. Res., 101, 17161-17173.

Lester, M., J.A. Davies and T.S. Virdi, 1996: High-latitude Hall and Pedersen conductances during substorm activity in the SUNDIAL-ATLAS campaign. J. Geophys. Res., 101, 26719-26728.

Lu, G., B.A. Emery, A.S. Rodger, M. Lester, J.R. Taylor, D.S. Evans, J.M. Ruohoniemi, W.F. Denig, O. de la Beaujardiére, R.A. Frahm, J.D. Winningham and D.L. Chenette, 1996: High-latitude ionospheric electrodynamics as determined by the assimilative mapping of ionospheric electrodynamics procedure for the conjunctive SUNDIAL/ATLAS 1/GEM period of March 28-29, 1992. J. Geophys. Res., 101, 26697-26718.

Lühr, H., M. Lockwood, P.E. Sandholt, T.L. Hansen and T. Moretto, 1996: Multi-instrument ground-based observations of a travelling convection vortices event. Ann. Geophys., 14, 162-181.

Olsson, A., M.A.L. Persson, H.J. Opgenoorth and S. Kirkwood, 1996: Particle precipitation in auroral breakups and westward traveling surges. J. Geophys. Res., 101, 24661-24673.

Petrinec, S.M., K. Yumoto, H. Lühr, D. Orr, D. Milling, K. Hayashi, S. Kokubun and T. Araki, 1996: The CME Event of February 21, 1994: Response of the Magnetic Field at the Earth's Surface. J. Geomag. Geoelectr., 48, 1341-1379.

Sergeev, V., A. Aikio, T. Bösinger, A. Brekke, L. Häkkinen, J. Kangas, R. Pellinen and P. Pollari, 1996: Nighttime patterns of ionospheric convection, conductance, horizontal and field-aligned currents during a steady magnetospheric convection event. J. Atmos. Terr. Phys., 50, 323-338.

Viljanen, A., 1996: Source Effect on Geomagnetic Induction Vectors in the Fennoscandian Auroral Region. J. Geomag. Geoelectr., 48, 1001-1009.

Yamauchi, M., R. Lundin, K. Mursula, G. Marklund and T. A. Potemra, 1996: Dayside Pc5 pulsation detected by Viking ion data at L=4. Geophys. Res. Lett., 23, 2517-2520.

Yeoman, T.K. and M. Pinnock, 1996: The high latitude convection response to an interval of substorm activity. Ann. Geophys., 14, 518-532.

Øieroset, M., H. Lühr, J. Moen, T. Moretto and P.E. Sandholt, 1996: Dynamical auroral morphology in relation to ionospheric plasma convection and geomagnetic activity: Signatures of magnetopause X line dynamics and flux transfer events. J. Geophys. Res., 101, 13275-13292.


Araki, T., S. Fujitani, M. Emoto, K. Yumoto, K. Shiokawa, T. Ichinose, H. Lühr, D. Orr, D.K. Milling, H. Singer, G. Rostoker, S. Tsunomura, Y. Yamada and C.F. Liu, 1997: Anomalous sudden commencement on March 24, 1991. J. Geophys. Res., 102, 14075-14086.

Blanchard, G.T., L.R. Lyons and O. de la Beaujardiére, 1997: Magnetotail reconnection rate during magnetospheric substorms. J. Geophys. Res., 102, 24303-24312.

Bradshaw, E.G. and M. Lester, 1997: SABRE observations of Pi2 pulsations: case studies. Ann. Geophys., 15, 40-53.

Chisham, G., I.R. Mann and D. Orr, 1997: A statistical study of giant pulsation latitudinal polarization and amplitude variation. J. Geophys. Res., 102, 9619-9629.

Feldstein, Y.I., A. Grafe, L.I. Gromova and V.A. Popov, 1997: Auroral electrojets during geomagnetic storms J. Geophys. Res., 102, 14223-14235.

Grafe, A., P.A. Bespalov, V.Y. Trakhtengerts and A.G. Demekhov, 1997: Afternoon mid-latitude current system and low-latitude geomagnetic field asymmetry during geomagnetic storms. Ann. Geophys., 15, 1537-1547.

Kauristie, K., T.I. Pulkkinen, A. Huuskonen, R.J. Pellinen, H.J. Opgenoorth, D.N. Baker, A. Korth and M. Syrjäsuo, 1997: Auroral precipitation fading before and at substorm onset: ionospheric and geostationary signatures. Ann. Geophys., 15, 967-983.

Knipp, D.J. and B.A. Emery, 1997: Mapping ionospheric substorm response. Adv. Space Res., 20, 895-905.

Korotova, G.I., D.G. Sibeck, T.J. Rosenberg, C.T. Russell and E. Friis-Christensen, 1997: High-latitude ionospheric transient events in a global context. J. Geophys. Res., 102, 17499-17508.

Maynard, N.C., W.J. Burke, G.M. Erickson, M. Nakamura, T. Mukai, S. Kokubun, T. Yamamoto, B. Jacobsen, A. Egeland, J.C. Samson, D.R. Weimer, G.D. Reeves and H. Lühr, 1997: Geotail measurements compared with the motions of high-latitude auroral boundaries during two substorms. J. Geophys. Res., 102, 9553-9572.

Milan, S.E., M. Lester and J. Moen, 1997: A comparison of optical and coherent HF radar backscatter observations of a post-midnight aurora. Ann. Geophys., 15, 1388-1398.

Moretto, T., E. Friis-Christensen H. Lühr and E. Zesta, 1997: Global perspective of ionospheric traveling convection vortices: Case studies of two Geospace Environmental Modeling events. J. Geophys. Res., 102, 11597-11610.

Ridley, A.J., G. Lu, C.R. Clauer and V.O. Papitashvili, 1997: Ionospheric convection during nonsteady interplanetary magnetic field conditions J. Geophys. Res., 102, 14563-14579.

Taylor, J.R., M. Lester, T.K. Yeoman, B.A. Emery, D.J. Knipp, D. Orr, S.I. Solovyev, T.J. Hughes and H. Lühr, 1997: The response of the magnetosphere to the passage of a coronal mass ejection on March 20-21 1990. Ann. Geophys., 15, 671-684.

Viljanen, A., 1997: The relation between geomagnetic variations and their time derivatives and implications for estimation of induction risks. Geophys. Res. Lett., 24, 631-634.

Yeoman, T.K. and H. Lühr, 1997: CUTLASS/IMAGE observations of high-latitude convection features during substorms. Ann. Geophys., 15, 692-702.

Yeoman, T.K., D.M. Wright, T.R. Robinson, J.A. Davies and M. Rietveld, 1997: High spatial and temporal resolution observations of an impulse-driven field line resonance in radar backscatter artificially generated with the Tromsø heater. Ann. Geophys., 15, 634-644.

Øieroset, M., P.E. Sandholt, H. Lühr, W.F. Denig and T. Moretto, 1997: Auroral and geomagnetic events at cusp/mantle latitudes in the prenoon sector during positive IMF By conditions: Signatures of pulsed magnetopause reconnection. J. Geophys. Res., 102, 7191-7205.


Abdu, M.A., J.H. Sastri, H. Lühr, H. Tachihara, T. Kitamura, N.B. Trivedi and J.H.A. Sobral, 1998: DP2 electric field fluctuations in the dusk-time dip equatorial ionosphere. Geophys. Res. Lett., 25, 1511-1514.

Blagoveshchenskaya, N.F., V.A. Kornienko, A.V. Petlenko, A. Brekke and M.T. Rietveld, 1998: Geophysical phenomena during an ionospheric modification experiment at Tromsø, Norway. Ann. Geophys., 16, 1212-1225.

Burke, W.J., N.C. Maynard, G.M. Erickson, M. Nakamura, S. Kokubun, B. Jacobsen and R.W. Smith, 1998: High-Latitude Auroral Boundaries Compared with GEOTAIL Measurements during Two Substorms. AGU Geophysical Monograph on Geospace Mass and Energy Flow. Results From the International Solar-Terrestrial Physics Program, 104, 129-141.

Engebretson, M., K.-H. Glassmeier, M. Stellmacher, W.J. Hughes and H. Lühr, 1998: The dependence of high-latitude Pc5 wave power on solar wind velocity and on the phase pf high-speed solar wind streams. J. Geophys. Res., 103, 26271-26283.

Feldstein, Y.I., L.I. Gromova, A.E. Levitin and A. Grafe, 1998: Conjugacy of geomagnetic disturbances and the substorm current wedge. Geophys. Res. Lett., 25, 3083-3086.

Knipp, D.J. and B.A. Emery, 1998: A report on the community study of the early November 1993 geomagnetic storm. Adv. Space Res., 22, 41-54.

Knipp, D.J., B.A. Emery, M. Engebretson, X. Li, A.H. McAllister, T. Mukai, S. Kokubun, G.D. Reeves, D. Evans, T. Obara, X. Pi, T. Rosenberg, A. Weatherwax, M.G. McHarg, F. Chun, K. Mosely, M. Codrescu, L. Lanzerotti, F.J. Rich, J. Sharber and P. Wilkinson, 1998: An overview of the early November 1993 geomagnetic storm. J. Geophys. Res., 103, 26197-26220.

Kobea, A.T., C. Amory-Mazaudier, J.M. Do, H. Lühr, E. Houngninou, J. Vassal, E. Blanc and J.J. Curto, 1998: Equatorial electrojet as part of the global circuit: a case-study from the IEEY. Ann. Geophys., 16, 698-710.

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Feldstein, Y.I., L.I. Gromova, A. Grafe, C.-I. Meng, V.V. Kalagaev, I.I. Alexeev and Y.P. Sumaruk, 1999: Auroral electrojet dynamics during magnetic storms, connection with plasma precipitation and large-scale structure of the magnetospheric magnetic field. Ann. Geophys., 17, 497-507.

Fox, N.J., S.W.H. Cowley, V.N. Davda, G. Enno, E. Friis-Christensen, R.A. Greenwald, M.R. Hairston, M. Lester, M. Lockwood, H. Lühr, D.K. Milling, J.S. Murphree, M. Pinnock and G.D. Reeves, 1999: A multipoint study of a substorm occurring on 7 December, 1992, and its theoretical implications. Ann. Geophys., 17, 1369-1384.

Gromova, L.I., Ya.I. Feldstein, A.E. Levitin and A. Grafe, 1999: Conjugacy of Geomagnetic Disturbances in the Near-Polar Area of the Auroral Oval at the Expansion Phase of a Substorm. Geomagn. Aeron., 39, 25-32.

Janhunen, P., A. Olsson, F.S. Mozer and H. Laakso, 1999: How does the U-shaped potential close above the acceleration region? A study using Polar data. Ann. Geophys., 17, 1276-1283.

Krainski, W., 1999: Small scale dayside magnetospheric convection observed from IMAGE magnetometer network data. Acta Geophys. Pol., 47, 215-222.

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Milan, S.E., T.K. Yeoman, M. Lester, J. Moen and P.E. Sandholt, 1999: Post-noon two-minute period pulsating aurora and their relationship to the dayside convection pattern. Ann. Geophys., 17, 877-891.

Mäkelä, J.S., A.M. Mälkki, H.E.J. Koskinen, J.H. Clemmons, R.E. Erlandson, B. Holback and L. Eliasson, 1999: Evolution of mesoscale auroral cavities before substorm onset. J. Geophys. Res., 104, 17201-17215.

Nakamura, R., G. Haerendel, W. Baumjohann, A. Vaivads, H. Kucharek, B. Klecker, E. Georgescu, J. Birn, L.M. Kistler, T. Mukai, S. Kokubun, P. Eglitis, L.A. Frank and J.B. Sigwarth, 1999: Substorm observations in the early morning sector with Equator-S and Geotail. Ann. Geophys., 17, 1602-1610.

Nielsen, E., M. Bruns, I. Pardowitz, H. Perplies, L. Bemmann, P. Janhunen and A. Huuskonen, 1999: STARE: Observations of a field-aligned line current. Geophys. Res. Lett., 26, 21-24.

Petrov, V., V. Styazhkin and N. Eismont, 1999: Observations of the field-aligned currents from INTERBALL-2. Czech. J. Phys., 49, 641-645.

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Sandholt, P.E., C.J. Farrugia and B. Lybekk, 1999: The dynamic cusp aurora on 30 November 1997: response to southward turning of the IMF. Ann. Geophys., 17, 1155-1165.

Sauvaud, J.-A., D. Popescu, D.C. Delcourt, G.K. Parks, M. Brittnacher, V. Sergeev, R.A. Kovrazhkin, T. Mukai and S. Kokubun, 1999: Sporadic plasma sheet ion injections into the high-altitude auroral bulge: Satellite observations. J. Geophys. Res., 104, 28565-28586.

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Slinker, S.P., J.A. Fedder, B.A. Emery, K.B. Baker, D. Lummerzheim, J.G. Lyon and F.J. Rich, 1999: Comparison of global MHD simulations with AMIE simulations for the events of May 19-20, 1996. J. Geophys. Res., 104, 28379-28395.

Solovyev, S.I., D.G. Baishev, E.S. Barkova, M.J. Engebretson, J.L. Posch, W.J. Hughes, K. Yumoto and V.A. Pilipenko, 1999: Structure of disturbances in the dayside and nightside ionosphere during periods of negative interplanetary magnetic field Bz. J. Geophys. Res., 104, 28019-28039.

Valdivia, J.A., D. Vassiliadis, A. Klimas and A.S. Sharma, 1999: Modeling the spatial structure of the high latitude magnetic perturbations and the related current systems. Physics of Plasmas, 6, 4185-4194.

Wright, D.M. and T.K. Yeoman, 1999: CUTLASS observations of a high-m ULF wave and its consequences for the DOPE HF Doppler sounder. Ann. Geophys., 17, 1493-1497.


Amm, O., P. Janhunen, H.J. Opgenoorth, T.I. Pulkkinen and A. Viljanen, 2000: Ionospheric Shear Flow Situations Observed by the MIRACLE Network, and the Concept of Harang Discontinuity. AGU monograph on Magnetospheric Current Systems, 118, 227-236.

Baishev, D.G., E.S. Barkova, S.I. Solovyev, K. Yumoto and A.G. Yahnin, 2000: Frequency growth of IPDPs during a substorm as a manifestation of equatorward expansion of particle precipitation and current region. Int. J. Geomagn. Aeron., 2, 115-127.

Borälv, E., P. Eglitis, H.J. Opgenoorth, E. Donovan, G. Reeves and P. Stauning, 2000: The dawn and dusk electrojet response to substorm onset. Ann. Geophys., 18, 1097-1107.

Chen, L., D. Larson, R.P. Lin, M. McCarthy and G. Parks, 2000: Multicomponent Plasma Distributions in the Tail Current Sheet Associated with Substorms. Geophys. Res. Lett., 27, 843-846.

Erickson, G.M., N.C. Maynard, W.J. Burke, G.R. Wilson and M.A. Heinemann, 2000: Electromagnetics of substorm onsets in the near-geosynchronous plasma sheet. J. Geophys. Res., 105, 25265-25290.

Farrugia, C.J., P.E. Sandholt, N.C. Maynard, W.J. Burke, J.D. Scudder, D.M. Ober, J. Moen and C.T. Russell, 2000: Pulsating midmorning auroral arcs, filamentation of a mixing region in a flank boundary layer, and ULF waves observed during a Polar-Svalbard conjunction. J. Geophys. Res., 105, 27531-27553.

Glassmeier, K.-H. and M. Stellmacher, 2000: Concerning the local time asymmetry of Pc5 wave power at the ground and field line resonance widths. J. Geophys. Res., 105, 18847-18855.

Grafe, A. and Y.I. Feldstein, 2000: About the relationship between auroral electrojets and ring currents. Ann. Geophys., 18, 874-886.

Hecht, J.H., D.L. McKenzie, A.B. Christensen, D.J. Strickland, J.P. Thayer and J. Watermann, 2000: Simultaneous observations of lower thermospheric composition change during moderate auroral activity from Kangerlussuaq and Narsarsuaq, Greenland. J. Geophys. Res., 105, 27109-27118.

Janhunen, P., A. Olsson, O. Amm and K. Kauristie, 2000: Characteristics of a stable arc based on FAST and MIRACLE observations. Ann. Geophys., 18, 152-160.

Kallio, E.I., T.I. Pulkkinen, H.E.J. Koskinen, A. Viljanen, J.A. Slavin and K. Ogilvie, 2000: Loading-Unloading Processes in the Nightside Ionosphere. Geophys. Res. Lett., 27, 1627-1630.

Karlsson, S.B.P., H.J. Opgenoorth, P. Eglitis, K. Kauristie, M. Syrjäsuo, T. Pulkkinen, M. Lockwood, R. Nakamura, G. Reeves and S. Romanov, 2000: Solar wind control of magnetospheric energy content: Substorm quenching and multiple onsets. J. Geophys. Res., 105, 5335-5356.

Kauristie, K., V.A. Sergeev, M. Kubyshkina, T.I. Pulkkinen, V. Angelopoulos, T. Phan, R.P. Lin and J.A. Slavin, 2000: Ionospheric current signatures of transient plasma sheet flows. J. Geophys. Res., 105, 10677-10690.

Kikuchi, T., H. Lühr, K. Schlegel, H. Tachihara, M. Shinohara and T.-I. Kitamura, 2000: Penetration of auroral electric fields to the equator during a substorm. J. Geophys. Res., 105, 23251-23261.

Kikuchi, T., M. Pinnock, A. Rodger, H. Lühr, T. Kitamura, H. Tachihara, M. Watanabe, N. Sato and M. Ruohoniemi, 2000: Global evolution of a substorm-associated DP2 current system observed by SuperDarn and magnetometers. Adv. Space Res., 26, 121-124.

Kleimenova, N.G., O.V. Kozyreva, J. Bitterly and J.-J. Schott, 2000: Long-Period (1-6 mHz) Geomagnetic Pulsations during the Initial Phase of the Big Magnetic Storm of February 21, 1994. Geomagn. Aeron., 40, 420-429.

Kobea, A.T., A.D. Richmond, B.A. Emery, C. Peymirat, H. Lühr, T. Moretto, M. Hairston and C. Amory-Mazaudier, 2000: Electrodynamic coupling of high and low latitudes: Observations on May 27, 1993. J. Geophys. Res., 105, 22979-22989.

Keiling, A., J.R. Wygant, C. Cattell, M. Temerin, F.S. Mozer, C.A. Kletzing, J. Scudder, C.T. Russell, W. Lotko and A.V. Streltsov, 2000: Large Alfven wave power in the plasma sheet boundary layer during the expansion phase of substorms. Geophys. Res. Lett., 27, 3169-3172.

Korotova, G.I., M.G. Kivelson, D.G. Sibeck, T.A. Potemra and P. Stauning, 2000: Multipoint observations of global magnetospheric compressions. J. Geophys. Res., 105, 23293-23302.

Lester, M., J.A. Davies and T.K. Yeoman, 2000: The ionospheric response during an interval of Pc5 ULF wave activity. Ann. Geophys., 18, 257-261.

Lu, G., 2000: A Synthetic View of the Magnetospheric-Ionospheric Current System Associated With Substorms. AGU monograph on Magnetospheric Current Systems, 118, 199-207.

Mathie, R.A. and I.R. Mann, 2000: Observations of Pc5 field line resonance azimuthal phase speeds: A diagnostic of their excitation mechanism. J. Geophys. Res., 105, 10713-10728.

Mathie, R.A. and I.R. Mann, 2000: Observations of an anomalously low frequency Alfvén continuum in an abnormally expanded magnetosphere. Geophys. Res. Lett., 24, 4017-4020, doi:10.1029/2000GL003791.

Mathie, R.A. and I.R. Mann, 2000: A correlation between extended intervals of ULF wave power and storm-time geosynchronous relativistic electron flux enhancements. Geophys. Res. Lett., 27, 3261-3264.

Moretto, T., A.J. Ridley, M.J. Engebretson and O. Rasmussen, 2000: High-latitude ionospheric response to a sudden impulse event during northward IMF conditions. J. Geophys. Res., 105, 2521-2531.

Nielsen, E. and F. Honary, 2000: Observations of ionospheric flows and particle precipitation following a Sudden Commencement. Ann. Geophys., 18, 908-917.

Nygren, T., E.D. Tereshchenko, B.Z. Khudukon, O.V. Evstafiev, M.S. Lehtinen and M. Markkanen, 2000: Manifestations of field-aligned currents in tomographic observations of the ionospheric F region. Adv. Space Res., 26, 939-942.

Papitashvili, V.O., C.R. Clauer, F. Christiansen, V.A. Pilipenko, V.A. Popov, O. Rasmussen, V.P. Suchdeo and J.F. Watermann, 2000: Geomagnetic disturbances at high latitudes during very low solar wind density event. Geophys. Res. Lett., 27, 3785-3788.

Petrukovich, A.A., W. Baumjohann, R. Nakamura, T. Mukai and O.A. Troshichev, 2000: Small substorms: Solar wind input and magnetotail dynamics. J. Geophys. Res., 105, 21109-21118.

Pirjola, R.J., A.T. Viljanen and D.H. Boteler, 2000: Electric field at the seafloor due to a two dimensional ionospheric current. Geophys. J. Int., 140, 286-294.

Pokhotelov, O.A., Y.G. Khabazin, I.R. Mann, D.K. Milling, P.K. Shukla and K. Stenflo, 2000: Giant pulsations: A nonlinear phenomenon. J. Geophys. Res., 105, 10691-10702.

Ridley, A.J., G. Crowley and C. Freitas, 2000: An empirical model of the ionospheric electric potential. Geophys. Res. Lett., 27, 3675-3678.

Safargaleev, V., W. Lyatsky, N.G. Gazey, P.N. Smith and V. Kriviliov, 2000: The response of the azimuthal component of the ionospheric electric field to auroral arc brightening. Ann. Geophys., 18, 65-73.

Sergeev, V.A., J.-A. Sauvaud, D. Popescu, R.A. Kovrazhkin, V.N. Lutsenko, L.M. Zelenyi, M. Syrjäsuo, A. Viljanen, T.I. Pulkkinen, K. Kudela, S. Kokubun and T. Mukai, 2000: Plasma sheet ion injections into the auroral bulge: Correlative study of spacecraft and observations. J. Geophys. Res., 105, 18465-18481.

Shue, J.-H., Y. Kamide, R.D. Elphinstone and N. Nishitani, 2000: Intense growth phase events of substorms. J. Geophys. Res., 105, 5357-5371.

Takeuchi, T., T. Araki, H. Lühr, O. Rasmussen, J. Watermann, D.K. Milling, I.R. Mann, K. Yumoto, K. Shiokawa and T. Nagai, 2000: Geomagnetic negative sudden impulse due to a magnetic cloud observed on May 13, 1995. J. Geophys. Res., 105, 18835-18846.

Waters, C.L., 2000: ULF resonance structure in the magnetosphere. Adv. Space Res., 25, 1541-1558.

Wild, J.A. and T.K. Yeoman, 2000: CUTLASS HF radar observations of high-latitude azimuthally propagating vortical currents in the nightside ionosphere during magnetospheric substorms. Ann. Geophys., 18, 640-652.

Wild, J.A., T.K. Yeoman, P. Eglitis and H.J. Opgenoorth, 2000: Multi-instrument observations of the electric and magnetic field structure of omega bands. Ann. Geophys., 18, 99-110.

Wüest, M., M.M. Huddleston, J.L. Burch, D.L. Dempsey, P.D. Craven, M.O. Chandler, J.F. Spann, W.K. Peterson, H.L. Collin and W. Lennartson, 2000: Magnetospheric response to the arrival of the shock wave in front of the magnetic cloud of January 10, 1997. Adv. Space Res., 25, 1401-1404.

Yeoman, T.K., J.A. Davies, N.M. Wade, G. Provan and S.E. Milan, 2000: Combined CUTLASS, EISCAT and ESR observations of ionospheric plasma flows at the onset of an isolated substorm. Ann. Geophys., 18, 1073-1087.

Yeoman, T.K., D.M. Wright, P.J. Chapman and A.B. Stockton-Chalk, 2000: High-latitude observations of ULF waves with large azimuthal wavenumbers. J. Geophys. Res., 105, 5453-5462.

Zesta, E., H.J. Singer, D. Lummerzheim, C.T. Russell, L.R. Lyons and M.J. Brittnacher, 2000: The Effect of the January 10,1997, Pressure Pulse on the Magnetosphere-Ionosphere Current System. AGU monograph on Magnetospheric Current Systems, 118, 217-226.


Amm, O., 2001: The elementary current method for calculating ionospheric current systems from multisatellite and ground magnetometer data. J. Geophys. Res., 106, 24843-24855.

Amm, O., P. Janhunen, K. Kauristie, H.J. Opgenoorth, T.I. Pulkkinen and A. Viljanen, 2001: Mesoscale Ionospheric Electrodynamics Observed with the MIRACLE Network: 1. Analysis of a Pseudobreakup Spiral. J. Geophys. Res., 106, 24675-24690.

Bae, S.H., D.-Y. Lee, E. Lee, K.W. Min and K.H. Choi, 2001: Substorms associated with azimuthal turnings of the interplanetary magnetic field. J. Atmos. Solar-Terr. Phys., 63, 1763-1774.

Blagoveshchenskaya, N. F., V. A. Kornienko, T. D. Borisova, B. Thidé, M.J. Kosch, M.T. Rietveld, E.V. Mishin, R.Y. Lukyanova, O.A. Troshichev, 2001: Ionospheric HF pump wave triggering of local auroral activation. J. Geophys. Res., 106, 29071-29089.

Bogdanova, Y.V., V.S. Semenov, R.P. Rijnbeek and P.N. Smith, 2001: Analysis of auroral arc dynamics based on a model of magnetic reconnection in the magnetotail. J. Atmos. Solar-Terr. Phys., 63, 725-737.

Boonsiriseth, A., R. M. Thorne, G. Lu, V. K. Jordanova, M. F. Thomsen, D.M. Ober and A. J. Ridley, 2001: A semiempirical equatorial mapping of AMIE convection electric potentials (MACEP) for the January 10, 1997, magnetic storm. J. Geophys. Res., 106, 12903-12917.

Danielides, M.A., S. Shalimov and J. Kangas, 2001: Estimates of the field-aligned current density current-carrying filaments using auroral zone ground-based observations. Ann. Geophys., 19, 699-706.

Farrugia, C.J., F.T. Gratton and R.B. Torbert, 2001: Viscous-type processes in the solar wind-magnetosphere interaction. Space Sci. Rev., 95, 443-456.

Fox, N. J., S. W. H. Cowley, J. A. Davies, R. A. Greenwald, M. Lester, M. Lockwood and H. Lühr, 2001: Ionospheric ion and electron heating at the poleward boundary of a poleward expanding substorm-disturbed region. J. Geophys. Res., 106, 12845-12862.

Jackel, B.J., P. Eglitis, E.F. Donovan, A.T. Viljanen, D.D. Wallis, L.R. Cogger and H.J. Opgenoorth, 2001: Observations of highly correlated near-simultaneous magnetic field perturbations at contraposed ground stations. J. Geophys. Res., 106, 25857-25872.

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Kauristie, K., M.T. Syrjäsuo, O. Amm, A. Viljanen, T.I. Pulkkinen and H.J. Opgenoorth, 2001: A statistical study of evening sector arcs and electrojets. Adv. Space Res., 28, 1605-1610.

Keiling, A., J.R. Wygant, C. Cattell, M. Johnson, M. Temerin, F.S. Mozer, C.A. Kletzing, J. Scudder and C.T. Russell, 2001: Properties of large electric fields in the plasma sheet at 4-7 Re measured with Polar. J. Geophys. Res., 106, 5779-5798.

Kozlovsky, A. and J. Kangas, 2001: Characteristics of the postnoon auroras inferred from EISCAT radar measurements. J. Geophys. Res., 106, 1817-1834.

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Lee, D.-Y. and K.W. Min, 2001: Multispacecraft and ground observations of magnetospheric and ionospheric responses to continuous energy input from the solar wind. J. Geophys. Res., 106, 3929-3941.

Lockwood, M., A. Fazakerley, H. Opgenoorth, J. Moen, A. P. van Eyken, M. Dunlop, J.-M. Bosqued, G. Lu, C. Cully, P. Eglitis, I. W. McCrea, M. A. Hapgood, M. N. Wild, R. Stamper, W. Denig, M. Taylor, J. A. Wild, G. Provan, O. Amm, K. Kauristie, T. Pulkkinen, A. Strømme, P. Prikryl, F. Pitout, A. Balogh, H. Rème, R. Behlke, T. Hansen, R. Greenwald, H. Frey, S. K. Morley, D. Alcaydé, P.-L. Blelly, E. Donovan, M. Engebretson, M. Lester, J. Watermann and M. F. Marcucci, 2001: Coordinated Cluster and ground-based instrument observations of transient changes in the magnetopause boundary layer during an interval of predominantly northward IMF: relation to reconnection pulses and FTE signatures. Ann. Geophys., 19, 1613-1653.

Lockwood, M., H. Opgenoorth, A.P. van Eyken, A. Fazakerley, J.-M. Bosqued, W. Denig, J. A. Wild, C. Cully, R. Greenwald, G. Lu, O. Amm, H. Frey, A. Strømme, P. Prikryl, M. A. Hapgood, M. N. Wild, R. Stamper, M. Taylor, I. McCrea, K. Kauristie, T. Pulkkinen, F. Pitout, A. Balogh, M. Dunlop, H. Rème, R. Behlke, T. Hansen, G. Provan, P. Eglitis, S. K. Morley, D. Alcaydé, P.-L. Blelly, J. Moen, E. Donovan, M. Engebretson, M. Lester, J. Watermann and M.F. Marcucci, 2001: Coordinated Cluster, ground-based instrumentation and low-altitude satellite observations of transient poleward-moving events in the ionosphere and in the tail lobe. Ann. Geophys., 19, 1589-1612.

Lu, G., A.D. Richmond, J.M. Ruohoniemi, R.A. Greenwald, M. Hairston, F.J. Rich and D.S. Evans, 2001: An investigation of the influence of data and model inputs on assimilative mapping of ionospheric electrodynamics. J. Geophys. Res., 106, 417-433.

Lyons, L.R., R.L. McPherron, E. Zesta, G.D. Reeves, J.B. Sigwarth and L.A. Frank, 2001: Timing of substorm signatures during the November 24, 1996, Geospace Environment Modeling event. J. Geophys. Res., 106, 349-359.

Marklund, G.T., T. Karlsson, P. Eglitis and H. Opgenoorth, 2001: Astrid-2 and ground-based observations of the auroral bulge in the middle of the nightside convection throat. Ann. Geophys., 19, 633-641.

Mathie, R. A., I. R. Mann, 2001: On the solar wind control of Pc5 ULF pulsation power at mid-latitudes: Implications for MeV electron acceleration in the outer radiation belt. J. Geophys. Res., 106, 29783-29796.

Milling, D.K., I.R. Mann and F.W. Menk, 2001: Diagnosing the plasmapause with a network of closely spaced ground-based magnetometers. Geophys. Res. Lett., 28, 115-118.

Murr, D.L. and W.J. Hughes, 2001: Reconfiguration Timescales of Ionospheric Convection. Geophys. Res. Lett., 28, 2145-2148.

Mursula, K., T. Bräysy, K. Niskala and C.T. Russell, 2001: Pc1 pearls revisited: Structured electromagnetic ion cyclotron waves on Polar satellite and on ground. J. Geophys. Res., 106, 29543-29553.

Nagatsuma, T., S. Nozawa, S.C. Buchert and R. Fujii, 2001: High latitude Pi3 pulsations observed by the EISCAT VHF radar. Adv. Space Res., 27, 1429-1432.

Ogawa, T., S.C. Buchert, N. Nishitani, N. Sato and M. Lester, 2001: Plasma density suppression process around the cusp revealed by simultaneous CUTLASS and EISCAT Svalbard radar observations. J. Geophys. Res., 106, 5551-5564.

Opgenoorth, H.J., M. Lockwood, D. Alcaydé, E. Donovan, M. J. Engebretson, A.P. van Eyken, K. Kauristie, M. Lester, J. Moen, J. Waterman, H. Alleyne, M. André, M. W. Dunlop, N. Cornilleau-Wehrlin, A. Masson, A. Fazakerley, H. Rème, R. André, O. Amm, A. Balogh, R. Behlke, P. L. Blelly, H. Boholm, E. Borälv, J.M. Bosqued, S. Buchert, M. Candidi, J. C. Cerisier, C. Cully, W. F. Denig, P. Eglitis, R. A. Greenwald, B. Jackal, J.D. Kelly, I. Krauklis, G. Lu, I. R. Mann, M. F. Marcucci, I. W. McCrea, M. Maksimovic, S. Massetti, P. M. E. Décréau, D. K. Milling, S. Orsini, F. Pitout, G. Provan, J. M. Ruohoniemi, J. C. Samson, J. J. Schott, F. Sedgemore-Schulthess, R. Stamper, P. Stauning, A. Strømme, M. Taylor, A. Vaivads, J. P. Villain, I. Voronkov, J. A. Wild and M. Wild, 2001: Coordinated ground-based, low altitude satellite and Cluster observations on global and local scales during a transient post-noon sector excursion of the magnetospheric cusp. Ann. Geophys., 19, 1367-1398.

Oyama, S., M. Ishii, Y. Murayama, H. Shinagawa, S.C. Buchert, R. Fujii and W. Kofman, 2001: Generation of atmospheric gravity waves associated with auroral activity in the polar F region. J. Geophys. Res., 106, 18543-18554.

Partamies, N., K. Kauristie, T.I. Pulkkinen and M. Brittnacher, 2001: Statistical study of auroral spirals. J. Geophys. Res., 106, 15415-15428.

Peria, W. J., M. J. Brittnacher, G. K. Parks, C. W. Carlson, 2001: Microscopic signatures of the bipartite auroral oval: FAST measurements. J. Geophys. Res., 106, 29645-29653.

Raeder, J., R.L. McPherron, L.A. Frank, S. Kokubun, G. Lu, T. Mukai, W.R. Paterson, J.B. Sigwarth, H.J. Singer and J.A. Slavin, 2001: Global simulation of the Geospace Environment Modeling substorm challenge event. J. Geophys. Res., 106, 381-395.

Sandholt, P.E. and C.J. Farrugia, 2001: Multipoint observations of substorm intensifications: The high-latitude aurora and electron injections in the inner equatorial plasma sheet. Geophys. Res. Lett., 28, 483-486.

Sandholt, P.E., C.J. Farrugia, S.W.H. Cowley and M. Lester, 2001: Dayside auroral bifurcation sequence during By-dominated interplanetary magnetic field: Relationship with merging and lobe convection cells. J. Geophys. Res., 106, 15429-15444.

Sarafopoulos, D. V., K. Takahashi and R. W. McEntire, 2001: Periodic variations of magnetosheath energetic electron flux associated with global Pc5 pulsations. J. Geophys. Res., 106, 13037-13053.

Sastri, J.H., T. Takeuchi, T. Araki, K. Yumoto, S. Tsunomura, H. Tachihara, H. Lühr and J. Watermann, 2001: Preliminary impulse of the geomagnetic storm sudden commencement of November 18, 1993. J. Geophys. Res., 106, 3905-3918.

Sato, N., Y. Murata, H. Yamagishi, A.S. Yukimatu, M. Kikuchi, M. Watanabe, K. Makita, H. Yang, R. Liu and F. J. Rich, 2001: Enhancement of Optical Aurora triggered by the Solar Wind Negative Pressure Impulse (SI). Geophys. Res. Lett., 28, 127-130.

Shue, J.-H. and Y. Kamide, 2001: Effects of solar wind density on auroral electrojets. Geophys. Res. Lett., 28, 2181-2184.

Tanskanen, E.I., A. Viljanen, T. I. Pulkkinen, R. Pirjola, L. Häkkinen, A. Pulkkinen and O. Amm, 2001: At substorm onset, 40 % of AL comes from underground. J. Geophys. Res., 106 , 13119-13134.

Thompson, S.M. and M.G. Kivelson, 2001: New evidence for the origin of giant pulsations. J. Geophys. Res., 106, 21237-21253.

Toivanen, P.K., D.N. Baker, W.K. Peterson, X. Li, E.F. Donovan, A. Viljanen, A. Keiling, J.R. Wygant and C.A. Kletzing, 2001: Plasma sheet dynamics observed by the Polar spacecraft in association with substorm onsets. J. Geophys. Res., 106, 19117-19130.

Toivanen, P.K., D.N. Baker, W.K. Peterson, H.J. Singer, N.E. Turner, X. Li, K. Kauristie, M. Syrjäsuo, A. Viljanen, T.I. Pulkkinen, A. Keiling, J.R. Wygant and C.A. Kletzing, 2001: Reconciliation of the substorm onset determined on the ground and at the Polar spacecraft. Geophys. Res. Lett., 28 , 107-110.

Uspensky, M., P. Eglitis, H. Opgenoorth, G. Starkov, T. Pulkkinen and R. Pellinen, 2001: On auroral dynamics observed by HF radar: 1. Equatorward edge of the afternoon-evening diffuse luminosity belt. Ann. Geophys., 18, 1560-1575.

Uspensky, M.V., A.V. Koustov, P. Eglitis, A. Huuskonen, S.E. Milan, T. Pulkkinen and R. Pirjola, 2001: CUTLASS HF radar observations of high-velocity E-region echoes. Ann. Geophys., 19, 411-424.

Viljanen, A., H. Nevanlinna, K. Pajunpää and A. Pulkkinen, 2001: Time derivative of the horizontal geomagnetic field as an activity indicator. Ann. Geophys., 19, 1107-1118.

Vorobjev, V. G., O.I. Yagodkina, D.G. Sibeck, K. Liou and C.-I. Meng, 2001: Polar UVI observations of dayside auroral transient events. J. Geophys. Res., 106, 28897-28911.

Weimer, D.R., 2001: An improved model of ionospheric electric potentials including substorm perturbations and application to the Geospace Environment Modeling November 24, 1996, event. J. Geophys. Res., 106, 407-416.

Wilson, G.R., D.M. Ober, G.A. Germany and E.J. Lund, 2001: The relationship between suprathermal heavy ion outflow and auroral electron energy deposition: Polar/Ultraviolet Imager and Fast Auroral Snapshot/Time-of-Flight Energy Angle MAss Spectrometer observations. J. Geophys. Res., 106, 18981-18993.

Wright, D.M., T.K. Yeoman, I.J. Rae, J. Storey, A.B. Stockton-Chalk, J.L. Roeder and K.J. Trattner, 2001: Ground-based and Polar spacecraft observations of a giant (Pg) pulsation and its associated source mechanism. J. Geophys. Res., 106, 10837-10852.

Yahnin, A.G., V. A. Sergeev, T. Bösinger, T. I. Sergienko, I. A. Kornilov, N. L. Borodkova, M. F. Thomsen, R. D. Belian, J.-A. Sauvaud, V. N. Lutsenko and A. A. Skalsky, 2001: Correlated Interball/ground-based observations of isolated substorm: The pseudobreakup phase. Ann. Geophys., 19, 687-698.


Abel, G.A. and M.P. Freeman, 2002: A statistical analysis of ionospheric velocity and magnetic field power spectra at the time of pulsed ionospheric flows. J. Geophys. Res., 107(A12), 1470, doi:10.1029/2002JA009402.

Amm, O., M.J. Engebretson, T. Hughes, L. Newitt, A. Viljanen and J. Watermann, 2002: A traveling convection vortex event study: Instantaneous ionospheric equivalent currents, estimation of field-aligned currents, and the role of induced currents. J. Geophys. Res., 107, 1334, doi: 10.1029/2002JA009472.

Amm, O. and K. Kauristie, 2002: Ionospheric signatures of bursty bulk flows. Surv. Geophys., 23, 1-32.

Baddeley, L.J., T.K. Yeoman, D.M. Wright, J.A. Davies, K.J. Trattner and J.L. Roeder, 2002: Morning sector drift-bounce resonance driven ULF waves observed in artificially-induced HF radar backscatter. Ann. Geophys., 20, 1487-1498.

Borodkova, N.L., A.G. Yahnin, K. Liou, J.-A. Sauvaud, A.O. Fedorov, V.N. Lutsenko, M.N. Nozdrachev and A.A. Lyubchich, 2002: Plasma sheet fast flows and auroral dynamics during substorm: a case study. Ann. Geophys., 20, 341-347.

Danielides, M. and S. Shalimov, 2002: Magnetic impulse events at the nightside auroral latitudes and associated phenomena. Adv. Space Res., 30, 2575-2579.

Gauld, J.K., T.K. Yeoman, J.A. Davies, S.E. Milan and F. Honary, 2002: SuperDARN radar HF propagation and absorption response to the substorm expansion phase. Ann. Geophys., 20, 1631-1645.

Grocott, A., S.W.H. Cowley, J.B. Sigwarth, J.F. Watermann and T.K. Yeoman, 2002: Excitation of twin-vortex flow in the nightside high-latitude ionosphere during an isolated substorm. Ann. Geophys., 20, 1577-1601.

Hashimoto, K.K., 2002: Evolution of the Ionospheric Convection due to Changes in the Interplanetary Magnetic Field. Journal of the Communications Research Laboratory, 39, 103-117.

Huttunen, K.E.J., H.E.J. Koskinen, T.I. Pulkkinen, A. Pulkkinen, M. Palmroth, E.G.D. Reeves and H.J. Singer, 2002: April 2000 magnetic storm: Solar wind driver and magnetospheric response. J. Geophys. Res., 107(A12), 1440, 10.1029/2001JA009154.

Kleimenova, N.G., O.V. Kozyreva, K. Kauristie and A. Ranta, 2002: Case studies on the dynamics of Pi3 geomagnetic and riometer pulsations during auroral activations. Ann. Geophys., 20, 151-159.

Kovtun, A.A., S.A. Vagin, I.L. Vardanyants, N.P. Legenkova, M.Yu. Smirnov, N.I. Uspensky and the BEAR Working Group, 2002: Analysis of Magnetotelluric and Magnetic Variation Results in a Daily Variation Range from BEAR Data and the Construction of the Normal Section of the Baltic Shield. Izvestiya, Physics of the Solid Earth, 38, 34-53.

Mann, I.R., I. Voronkov, M. Dunlop, E. Donovan, T.K. Yeoman, D.K. Milling, J. Wild, K. Kauristie, O. Amm, S.D. Bale, A. Balogh, A. Viljanen and H.J. Opgenoorth, 2002: Co-ordinated ground-based and Cluster observations of large amplitude global magnetospheric oscillations during a fast solar wind speed interval. Ann. Geophys., 20, 405-426.

Manninen, J., N.G. Kleimenova, O.V. Kozyreva and A. Ranta, 2002: High-latitude geomagnetic pulsation response to the passage of the front edge of the interplanetary magnetic cloud of January 10, 1997. J. Atmos. Solar-Terr. Phys., 64, 1855-1864.

Moretto, T., M. Hesse, A. Yahnin, A. Ieda, D. Murr and J.F. Watermann, 2002: Magnetospheric signature of an ionospheric traveling convection vortex event. J. Geophys. Res., 107, A6, 10.1029/2001JA000049.

Moretto, T. , N. Olsen, P. Ritter and G. Lu, 2002: Investigating the auroral electrojets with low altitude polar orbiting satellites. Ann. Geophys., 20, 1049-1061.

Motoba, T., T. Kikuchi, H. Lühr, H. Tachihara, T.-I. Kitamura, K. Hayashi and T. Okuzawa, 2002: Global Pc5 caused by a DP2-type ionospheric current system. J. Geophys. Res., 107, SMP 7-1-SMP 7-12.

Nishino, M., K. Makita, K. Yumoto, F.S. Rodrigues, N.J. Schuch and M.A. Abdu, 2002: Unusual ionospheric absorption characterizing energetic electron precipitation into the South Atlantic Magnetic Anomaly. Earth, Planets and Space, 54, 907-916.

Ohtani, S., R. Yamaguchi, M. Nosé, H. Kawano, M. Engebretson and K. Yumoto, 2002: Quiet time magnetotail dynamics and their implications for the substorm trigger. J. Geophys. Res., 107, SMP 6-1-SMP 6-10.

Pajunpää, K., I. Lahti, B. Olafsdottir, T. Korja and BEAR Working Group, 2002: Crustal conductivity anomalies in central Sweden and southwestern Finland. Geophys. J. Int., 150, 695-705.

Pilipenko, V.A., O.V. Kozyreva, M.J. Engebretson, D.L. Detrick and S.N. Samsonov, 2002: Dynamics of long-period magnetic activity and energetic particle precipitation during the May 15, 1997 storm. J. Atmos. Solar-Terr. Phys., 64, 831-843.

Pirjola, R., 2002: Modelling the electric field at the seafloor due to a non-uniform ionospheric current. J. Appl. Geophys., 49, 3-16.

del Pozo, C.F., F. Honary, N. Stamatiou and M. J. Kosch, 2002: Study of auroral forms and electron precipitation with the IRIS, DASI and EISCAT systems. Ann. Geophys., 20, 1361-1375.

del Pozo, C.F., P.J.S. Williams, N.J. Gazey, P.N. Smith, F. Honary and M. Kosch, 2002: Multi-instrument observations of the dynamics of auroral arcs: a case study. J. Atmos. Solar-Terr. Phys., 64, 1601-1616.

Prikyl, P., G. Provan, K.A. McWilliams and T.K. Yeoman, 2002: Ionospheric cusp flows pulsed by solar wind Alfvén waves. Ann. Geophys., 20, 161-174.

Rosenqvist, L., E. Borälv, H.J. Opgenoorth and G. Reeves, 2002: Timing of Substorm Onset Signatures on the Ground and at Geostationary Orbit. Geophys. Res. Lett., 29 (12), 10.1029/2001GLO13939.

Ruohoniemi, J.M., S.G. Shepherd and R.A. Greenwald, 2002: The response of the high-latitude ionosphere to IMF variations. J. Atmos. Solar-Terr. Phys., 64, 159-171.

Sandholt, P.E. and C. J. Farrugia, 2002: Monitoring magnetosheath-magnetosphere interconnection topology from the aurora. Ann. Geophys., 20, 629-637.

Sandholt, P.E., C.J. Farrugia, M. Lester, S. Cowley, S. Milan, W.F. Denig, B. Lybekk, E. Trondsen and V. Vorobjev, 2002: Multistage substorm expansion: Auroral dynamics in relation to plasma sheet particle injection, precipitation, and plasma convection. J. Geophys. Res., 107(A11), 1342, doi:10.1029/2001JA900116.

Slivka, M. and K. Kudela, 2002: Proton fluxes in the neutral sheet: a case study by the DOK2 on Interball-1. Czechoslovak Journal of Physics, 52, 1357-1369.

Sutcliffe, P.R. and L.R. Lyons, 2002: Association between quiet-time Pi2 pulsations, poleward boundary intensifications, and plasma sheet particle fluxes. Geophys. Res. Lett., 29, 10.1029/2001GLO14430.

Takeuchi, T., C.T. Russell and T. Araki, 2002: Effect of the orientation of interplanetary shock on the geomagnetic sudden commencement. J. Geophys. Res., 107, 10.1029/2002JA009597.

Tanskanen, E., H.E.J. Koskinen, T.I. Pulkkinen, J.A. Slavin and K. Ogilvie, 2002: Dissipation to the Joule heating: isolated and stormtime substorms. Adv. Space Res., 30, 2305-2311.

Tanskanen, E., T.I. Pulkkinen, H.E.J. Koskinen and J.A. Slavin, 2002: Substorm energy budget during low and high solar activity: 1997 and 1999 compared. J. Geophys. Res., 107, A6, 10.1029/2001JA900153.

Vanyan, L.L., V.A. Kuznetsov, T.V. Lyubetskaya, N.A. Palshin, T. Korja, I. Lahti and the BEAR Working Group, 2002: Electrical Conductivity of the Crust beneath Central Lapland. Izvestiya, Physics of the Solid Earth, 38, 4-22.

Varentsov, I.M., M. Engels, T. Korja, M.Yu. Smirnov and the BEAR Working Group, 2002: A Generalized Geoelectric Model of Fennoscandia: A Challenging Database for Long-Period 3D Modeling Studies within the Baltic Electromagnetic Array Research (BEAR) Project. Izvestiya, Physics of the Solid Earth, 38, 64-105.

Vontrat-Reberac, A., J.-C. Cerisier, N. Sato and M. Lester, 2002: Noon ionospheric signatures of a sudden commencement following a solar wind pressure pulse. Ann. Geophys., 20, 639-645.

Weigel, R.S., D. Vassiliadis and A.J. Klimas, 2002: Coupling of the solar wind to temporal fluctuations in ground magnetic fields. Geophys. Res. Lett., 29, No. 19, 10.1029/2002GLO14740.

Woodfield, E.E., J.A. Davies, P. Eglitis and M. Lester, 2002: A case study of HF radar spectral width in the post midnight local time sector and its and its relationship to the polar cap boundary. Ann. Geophys., 20, 501-509.


Amm, O., A. Aikio, J.-M. Bosqued, M. Dunlop, A. Fazakerley, P. Janhunen, K. Kauristie, M. Lester, I. Sillanpää, M.G.G.T. Taylor, A. Vontrat-Reberac, K. Mursula and M. André, 2003: Mesoscale structure of a morning sector ionospheric shear flow region determined by conjugate Cluster II and MIRACLE ground-based observations. Ann. Geophys., 21, 1737-1751.

Blagoveshchensky, D. V., O.A. Maltseva and A.S. Rodger, 2003: Ionosphere dynamics over Europe and western Asia during magnetospheric substorms 1998-99. Ann. Geophys., 21, 1141-1151.

Dent, Z., I.R. Mann, F.W. Menk, J. Goldstein, C.R. Wilford, M.A. Clilverd and L.G. Ozeke, 2003: A coordinated ground-based and IMAGE satellite study of quiet-time plasmaspheric density profiles. Geophys. Res. Lett., 30(12), 10.1029/2003GL016946.

Denton, R.E., M.R. Lessard and L.M. Kistler, 2003: Radial localization of magnetospheric guided poloidal Pc 4-5 waves. J. Geophys. Res., 108(A3), 10.1029/2002JA009679.

Dubyagin, S.V., V.A. Sergeev, C.W. Carlson, S.R. Marple, T.I. Pulkkinen and A.G. Yahnin, 2003: Evidence of near-Earth breakup location. Geophys. Res. Lett., 30, 1282, doi:10.1029/2002GL016569.

Farrugia, C.J., P.E. Sandholt, N.C. Maynard, R.B. Torbert and D.M. Ober, 2003: Temporal variations in a four-sheet field-aligned current system and associated aurorae as observed during a Polar-ground magnetic conjunction in the midmorning sector. J. Geophys. Res., 108(A6), 10.1029/2002JA009619.

Fraser, B.J., 2003: Recent developments in magnetospheric diagnostics using ULF waves. Space Sci. Rev., 107, 149-156.

Grocott, A., S.W.H. Cowley and J.B. Sigwarth, 2003: Ionospheric flow during extended intervals of northward but By -dominated IMF. Ann. Geophys., 21, 509-538.

Hughes, J.M. and W.A. Bristow, 2003: SuperDARN observations of the Harang discontinuity during steady magnetospheric convection. J. Geophys. Res., 108(A5), 10.1029/2002JA009681.

Kauristie, K., V.A. Sergeev, O. Amm, M.V. Kubyshkina, J. Jussila, E. Donovan and K. Liou, 2003: Bursty bulk flow intrusion to the inner plasma sheet as inferred from auroral observations. J. Geophys. Res., 108(A1), 1040, 10.1029/2002JA009371.

Kikuchi, T., K.K. Hashimoto, T.-I. Kitamura, H. Tachihara and B. Fejer, 2003: Equatorial counterelectrojets during substorms. J. Geophys. Res., 108(A11), 1406, 10.1029/2003JA009915.

Kleimenova, N.G., O.V. Kozyreva, J.-J. Schott, M. Bitterly, J. Bitterly and P. Ivanova, 2003: Dayside geomagnetic Pc5 pulsations in the conditions of a strongly disturbed solar wind during the magnetic storm of 21 February 1994. Int. J. Geomagn. Aeron., 3, 229-244.

Kornienko, V.A., N.F. Blagoveshchenskaya, T.D. Borisova, B. Thide and A. Brekke, 2003: Modification of the local substorm ionospheric and field-aligned currents produced by Tromsö heating facility. Int. J. Geomagn. Aeron., 4, 37-46.

Kornilova T.A., I.A. Kornilov, M.I. Pudovkin and O.I. Kornilov, 2003: Behavior of diffuse luminosity during the substorm growth phase. Int. J. Geomagn. Aeron., 4, 11-21.

Kozlovsky, A.E., V.V. Safargaleev, J.R.T. Jussila and A.V. Koustov, 2003: Pre-noon high-latitude auroral arcs as a manifestation of the interchange instability. Ann. Geophys., 21, 2303-2314.

Lee, D.-H. and S.-K. Sung, 2003: Propagation of sudden impulses in a dipolar magnetosphere. Journal of The Korean Astronomical Society, 36, 101-107.

Liu, Y.H., B.J. Fraser, R.Y. Liu and P.V. Ponomarenko, 2003: Conjugate studies of ULF waves in the Pc5 band near the cusp. J. Geophys. Res., 108(A7), 10.1029/2002JA009336.

Menk, F.W., T.K. Yeoman, D.M. Wright, M. Lester and F. Honary, 2003: High-latitude observations of impulse-driven ULF pulsations in the ionosphere and on the ground. Ann. Geophys., 21, 559-576.

Motoba, T. Kikuchi, T. Okuzawa and K. Yumoto, 2003: Dynamical response of the magnetosphere-ionosphere system to a solar wind dynamic pressure oscillation. J. Geophys. Res., 108(A5), 10.1029/2002JA009696.

Nosé, M., K. Takahashi, T. Uozumi, K. Yumoto, Y. Miyoshi, A. Morioka, D.K. Milling, P.R. Sutcliffe, H. Matsumoto, T. Goka and H. Nakata, 2003: Multipoint observations of a Pi2 pulsation on morningside: The 20 September 1995 event. J. Geophys. Res., 108(A5), 10.1029/2002JA009747.

O'Brien, T.P., K.R. Lorentzen, I.R. Mann, N.P. Meredith, J.B. Blake, J.F. Fennell, M.D. Looper, D.K. Milling and R.R. Anderson, 2003: Energization of relativistic electrons in the presence of ULF power and MeV microbursts: Evidence for dual ULF and VLF acceleration. J. Geophys. Res., 108(A8), 1329, doi:10.1029/2002JA009784.

Partamies, N., O. Amm, K. Kauristie, T.I. Pulkkinen and E. Tanskanen, 2003: A pseudo-breakup observation: Localized current wedge across the postmidnight auroral oval. J. Geophys. Res., 108(A1), 1020, 10.1029/2002JA009276.

Perraut, S., O. Le Contel, A. Roux, G. Parks, D. Chua, M. Hoshimo, T. Mukai and T. Nagai, 2003: Substorm expansion phase: Observations from Geotail, Polar and IMAGE network. J. Geophys. Res., 108, 1159, 10.1029/2002JA009376.

Pitout, F., P. Eglitis and P.-L. Blelly, 2003: High-latitude dayside ionosphere response to Pc5 field line resonance. Ann. Geophys., 21, 1509-1520.

Pulkkinen, A., O. Amm, A. Viljanen and BEAR Working Group, 2003: Separation of the geomagnetic variation field into external and internal parts using the spherical elementary current system method. Earth, Planets and Space, 55, 117-129.

Pulkkinen, A., O. Amm, A. Viljanen and BEAR Working Group, 2003: Ionospheric equivalent current distributions determined with the method of spherical elementary current systems. J. Geophys. Res., 108, 10.1029/2001JA005085.

Pulkkinen, A., A. Thomson, E. Clarke and A. McKay, 2003: April 2000 geomagnetic storm: ionospheric drivers of large geomagnetically induced currents. Ann. Geophys., 21, 709-717.

Pulkkinen, T.I., E.I. Tanskanen, M. Wiltberger, J.A. Slavin, T. Nagai, G.D. Reeves, L.A. Frank and J.B. Sigwarth, 2003: Magnetotail flows can consume as much solar wind energy as a substorm. J. Geophys. Res., 108(A8), doi: 10.1029/2001JA009132.

Sandholt, P.E., J. Moen, C.J. Farrugia, S.W.H. Cowley, M. Lester, S.E. Milan, C. Valladares, W.F. Denig and S. Eriksson, 2003: Multi-site observations of the association between aurora and plasma convection in the cusp/polar cap during a southeastward (By ~ |Bz|) IMF orientation. Ann. Geophys., 21, 539-558.

Sergeev, V., A. Runov, W. Baumjohann, R. Nakamura, T.L. Zhang, M. Volwerk, A. Balogh, H. Reme, J.A. Sauvaud, M. André and B. Klecker, 2003: Current sheet flapping motion and structure observed by Cluster. Geophys. Res. Lett., 30, 10.1029/2002GL016500.

Vanhamäki, H., O. Amm and A. Viljanen, 2003: One-dimensional upward continuation of the ground magnetic field disturbance using spherical elementary current systems. Earth, Planets and Space, 55, 613-625.

Varentsov, I.M., E.Y. Sokolova and the BEAR Working Group, 2003: Diagnostics and Suppression of Auroral Distortions in the Transfer Operators of the Electromagnetic Field in the BEAR Experiment. Izvestiya, Physics of the Solid Earth, 39, 283-307.

Voronkov, I.O., E.F. Donovan and J.C. Samson, 2003: Observations of the phases of the substorm. J. Geophys. Res., 108(A2), 1073, doi:10.1029/2002JA009314.

Weigel, R.S., A.J. Klimas and D. Vassiliadis, 2003: Solar wind coupling to and predictability of ground magnetic fields and their time derivatives. J. Geophys. Res., 108, 10.1029/2002JA009627.

Wright, D.M., J.A. Davies, T.K. Yeoman, T.R. Robinson, S.R. Cash, E. Kolesnikova, M. Lester, P.J. Chapman, R.J. Strangeway, R.B. Horne, M.T. Rietveld and C.W. Carlson, 2003: Detection of artificially generated ULF waves by the FAST spacecraft and its application to the "tagging" of narrow flux tubes. J. Geophys. Res., 108(A2), 1090, doi:10.1029/2002JA009483.

Zhou, X.-Y., R.J. Strangeway, P.C. Anderson, D.G. Sibeck, B.T. Tsurutani, G. Haerendel, H.U. Frey and J.K. Arballo, 2003: Shock aurora: FAST and DMSP observations. J. Geophys. Res., 108, 10.1029/2002JA009701.


Aikio, A.T., K. Mursula, S. Buchert, F. Forme, O. Amm, G. Marklund, M. Dunlop, D. Fontaine, A. Vaivads and A. Fazakerley, 2004: Temporal evolution of two auroral arcs as measured by the Cluster satellite and coordinated ground-based instruments. Ann. Geophys., 22, 4089-4101.

Aksnes, A., J. Stadsnes, G. Lu, N. Østgaard, R. Vondrak, D. Detrick, T. Rosenberg, G. Germany and M. Schulz, 2004: Effects of energetic electrons on the electrodynamics in the ionosphere. Ann. Geophys., 22, 475-496.

Apatenkov, S.V., V.A. Sergeev, R. Pirjola and A. Viljanen, 2004: Evaluation of the geometry of ionospheric current systems related to rapid geomagnetic variations. Ann. Geophys., 22, 63-72.

Baker, J.B.H., R.A. Greenwald, J.M. Ruohoniemi, M. Förster, G. Paschmann, E.F. Donovan, N.A. Tsyganenko, J.M. Quinn and A. Balogh, 2004: Conjugate comparison of Super Dual Auroral Radar Network and Cluster electron drift instrument measurements of ExB plasma drift. J. Geophys. Res., 109, 10.1029/2003JA009912.

Draper, N.C., M. Lester, J.A. Wild, S.E. Milan, G. Provan, A. Grocott, S.W.H. Cowley, Y. Bogdanova, J.P. Dewhurst, A.N. Fazakerley, J.A. Davies and J.-M. Bosqued, 2004: A joint Cluster and ground-based instruments study of two magnetospheric substorm events on 1 September 2002. Ann. Geophys., 22, 4217-4228.

Grocott, A., T.K. Yeoman, R. Nakamura, S.W.H. Cowley, H.U. Frey, H. Reme and B. Klecker, 2004: Multi-instrument observations of the ionospheric counterpart of a bursty bulk flow in the near-Earth plasma sheet. Ann. Geophys., 22, 1061-1075.

Lorentzen, D.A., N. Shumilov and J. Moen, 2004: Drifting airglow patches in relation to tail reconnection. Geophys. Res. Lett., 31, L02806, doi:10.1029/2003GL017785.

Makarevitch, R.A., F. Honary and A.V. Koustov, 2004: Simultaneous HF measurements of E- and F-region Doppler velocities at large flow angles. Ann. Geophys., 22, 1177-1185.

Makarevitch, R.A., F. Honary, A.V. Koustov and M.V. Uspensky, 2004: Meridional motions of the afternoon radar aurora, auroral electrojets, and absorption patches under variable IMF conditions. Ann. Geophys., 22, 1649-1664.

Makarevitch, R.A., F. Honary, I.W. McCrea and V.S.C. Howells, 2004: Imaging riometer observations of drifting absorption patches in the morning sector. Ann. Geophys., 22, 3461-3478.

Mann, I.R., T.P. O'Brien and D.K. Milling, 2004: Correlations between ULF wave power, solar wind speed, and relativistic electron flux in the magnetosphere: solar cycle dependence. J. Atmos. Solar-Terr. Phys., 66, 187-198.

Marchaudon, A., J.-C. Cerisier, O. Amm, C.W. Carlson and G.K. Parks, 2004: Quantitative modelling of the closure of meso-scale parallel currents in the nightside ionosphere. Ann. Geophys., 22, 125-140.

Menk, F.W., I.R. Mann, A.J. Smith, C.L. Waters, M.A. Clilverd and D.K. Milling, 2004: Monitoring the plasmapause using geomagnetic field line resonances. J. Geophys. Res., 109, A04216, doi:10.1029/2003JA010097.

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Pitout, F., C.P. Escoubet and E.A. Lucek, 2004: Ionospheric plasma density structures associated with magnetopause motion: a case study using the Cluster spacecraft and the EISCAT Svalbard Radar. Ann. Geophys., 22, 2369-2379.

Ritter, P., H. Lühr, A. Viljanen and S. Maus, 2004: High-latitude ionospheric currents during very quiet times: their characteristics and predictability. Ann. Geophys., 22, 2001-2014.

Ritter, P., H. Lühr, A. Viljanen, O. Amm, A. Pulkkinen and I. Sillanpää, 2004: Ionospheric currents estimated simultaneously from CHAMP satellite and IMAGE ground-based magnetic field measurements: a statistical study at auroral latitudes. Ann. Geophys., 22, 417-430.

Safargaleev, V., A. Serebryanskaya, A. Koustov, M. Lester, E. Pchelkina and A. Vasilyev, 2004: A possible origin of dayside Pc1 magnetic pulsations observed at high latitudes. Ann. Geophys., 22, 2997-3008.

Sandholt, P.E., C.J. Farrugia and W.F. Denig, 2004: Dayside aurora and the role of IMF:detailed morphology and response to magnetopause reconnection. Ann. Geophys., 22, 613-628.

Sandholt, P.E., C.J. Farrugia and W.F. Denig, 2004: Detailed dayside auroral morphology as a function of local time for southeast IMF orientation: implications for solar wind-magnetosphere coupling. Ann. Geophys., 22, 3537-3560.

Sarafopoulos, D.V., 2004: Distinct solar wind pressure pulses producing convection twin-vortex systems in the ionosphere. Ann. Geophys., 22, 2201-2211.

Sarafopoulos, D.V., 2004: Repetitive X-line Hall current structures over the dawnside ionosphere induced by successive exo-magnetospheric pressure pulses. Ann. Geophys., 22, 4153-4163.

Sauvaud, J.-A., P. Louarn, G. Fruit, H. Stenuit, C. Vallat, J. Dandouras, H. Reme, M. André, A. Balogh, M. Dunlop, L. Kistler, E. Möbius, C. Mouikis, B. Klecker, G.K. Parks, J. McFadden, C. Carlson, F. Marcucci, G. Pallocchia, R. Lundin, A. Korth and M. McCarthy, 2004: Case studies of the dynamics of ionospheric ions in the Earth's magnetotail. J. Geophys. Res., 109, 10.1029/2003JA009996.

Sillanpää, I., H. Lühr, A. Viljanen and P. Ritter, 2004: Quiet-time magnetic variations at high latitude observatories. Earth, Planets and Space, 56, 47-65.

Solovyev, S.I., A.V. Moiseyev, V.A. Mullayarov, A. Du, M. Engebretson and L. Newitt, 2004: Global Geomagnetic Response to a Sharp Compression of the Magnetosphere and IMF Variations on October 29, 2003. Cosmic Research, 42, 597-606.

Solovyev, S.I., V.A. Mullayarov, D.G. Baishev, E.S. Barkova and S.N. Samsonov, 2004: Amplitude Modulation of VLF Emission and Absorption of Cosmic Noise by Pc5 Geomagnetic Pulsations in the Period of Geomagnetic Storms on October 30-31, 2003. Cosmic Research, 42, 607-613.

Viljanen, A., A. Pulkkinen, O. Amm, R. Pirjola, T. Korja and BEAR Working Group, 2004: Fast computation of the geoelectric field using the method of elementary current systems and planar Earth models. Ann. Geophys., 22, 101-113.

Volwerk, M., K.-H. Glassmeier, A. Runov, R. Nakamura, W. Baumjohann, B. Klecker, I. Richter, A. Balogh, H. Rème and K. Yumoto, 2004: Flow burst-induced large-scale plasma sheet oscillation. J. Geophys. Res., 109, A11208, doi:10.1029/2004JA010533.

Wang, C.-P., L.R. Lyons, T. Nagai and J.C. Samson, 2004: Midnight radial profiles of the quiet and growth-phase plasma sheet: The Geotail observations. J. Geophys. Res., 109, A12201, doi:10.1029/2004JA010590.


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Aksnes, A., O. Amm, J. Stadsnes, N. Østgaard, G. A. Germany, R. R. Vondrak and I. Sillanpää, 2005: Ionospheric conductances derived from satellite measurements of auroral UV and X-ray emissions, and ground-based electromagnetic data: a comparison. Ann. Geophys., 23, 343-358.

Amm, O., A. Aksnes, J. Stadsnes, N. Østgaard, R.R. Vondrak, G.A. Germany, G. Lu and A. Viljanen, 2005: Mesoscale ionospheric electrodynamics of omega bands determined from ground-based electromagnetic and satellite optical observations. Ann. Geophys., 23, 325-342.

Amm, O., E.F. Donovan, H. Frey, M. Lester, R. Nakamura, J.A. Wild, A. Aikio, M. Dunlop, K. Kauristie, A. Marchaudon, I.W. McCrea, H.J. Opgenoorth and A. Strømme, 2005: Coordinated studies of the geospace environment using Cluster, satellite and ground-based data: an interim review. Ann. Geophys., 23, 2129-2170.

Aruliah, A.L., E.M. Griffin, A.D. Aylward, E.A.K. Ford, M.J. Kosch, C.J. Davis, V.S.C. Howells, S.E. Pryse, H.R. Middleton and J. Jussila, 2005: First direct evidence of meso-scale variability on ion-neutral dynamics using co-located tristatic FPIs and EISCAT radar in Northern Scandinavia. Ann. Geophys., 23, 147-162.

Baddeley, L.J., T.K. Yeoman and D.M. Wright, 2005: HF doppler sounder measurements of the ionospheric signatures of small scale ULF waves. Ann. Geophys., 23, 1807-1820.

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Borälv, E., H.J. Opgenoorth, K. Kauristie, M. Lester, J.-M. Bosqued, J.P. Dewhurst, C.J. Owen, M. Dunlop, J A. Slavin, A. Fazakerley and C. Perry, 2005: Correlation between ground-based observations of substorm signatures and magnetotail dynamics. Ann. Geophys., 23, 997-1011.

Du, A., W.Sun, W.Xu and X. Gao, 2005: The frequency variation of Pc5 ULF waves during a magnetic storm. Earth, Planets and Space, 57, 619-625.

Fraser, B.J., J.L. Horwitz, J.A. Slavin, Z.C. Dent and I.R. Mann, 2005: Heavy ion mass loading of the geomagnetic field near the plasmapause and ULF wave implications. Geophys. Res. Lett., 32, L04102, doi:10.1029/2004GL021315.

Howard, T.A. and F.W. Menk, 2005: Ground observations of high-latitude Pc3-4 ULF waves. J. Geophys. Res., 110, A04205, doi:10.1029/2004JA010417.

Kappenman, J.G., 2005: An overview of the impulsive geomagnetic field disturbances and power grid impacts associated with the violent Sun-Earth connection events of 29-31 October 2003 and a comparative evaluation with other contemporary storms. Space Weather, 3, S08C01, doi:10.1029/2004SW000128.

Kim, K.-H., K. Takahashi, D.-H. Lee, P.R. Sutcliffe and K. Yumoto, 2005: Pi2 pulsations associated with poleward boundary intensifications during the absence of substorms. J. Geophys. Res., 110, doi:10.1029/2004JA010780.

Kleimenova, N.G., O.V. Kozyreva, J. Manninen and A. Ranta, 2005: Unusual strong quasi-monochromatic ground Pc5 geomagnetic pulsations in the recovery phase of November 2003 superstorm. Ann. Geophys., 23, 2621-2634.

Kozlovsky, A., V. Safargaleev, N. Østgaard, T. Turunen, A. Koustov, J. Jussila and A. Roldugin, 2005: On the motion of dayside auroras caused by a solar wind pressure pulse. Ann. Geophys., 23, 509-521.

Lahti, I., T. Korja, P. Kaikkonen, K. Vaittinen and BEAR Working Group, 2005: Decomposition analysis of the BEAR magnetotelluric data: implications for the upper mantle conductivity in the Fennoscandian Shield. Geophys. J. Int., 163, 900-914, doi: 10.1111/j.1365-246X.2005.02744.x.

Makarevitch, R.A. and F. Honary, 2005: Correlation between cosmic noise absorption and VHF coherent echo intensity. Ann. Geophys., 23, 1543-1553.

Miyashita, Y., Y. Miyoshi, Y. Matsumoto, A. Ieda, Y. Kamide, M. Nosé, S. Machida, H. Hayakawa, R.W. McEntire, S.P. Christon, D.S. Evans and O.A. Troshichev, 2005: Geotail observations of signatures in the near-Earth magnetotail for the extremely intense substorms of the 30 October 2003 storm. J. Geophys. Res., 110, A09S25, doi:10.1029/2005JA011070.

Nakamura, R., O. Amm, H. Laakso, N.C. Draper, M. Lester, A. Grocott, B. Klecker, I.W. McCrea, A. Balogh, H. Rème and M. André, 2005: Localized fast flow disturbance observed in the plasma sheet and in the ionosphere. Ann. Geophys., 23, 553-566.

Nakamura, R., W. Baumjohann, T.L. Zhang, C.M. Carr, A. Balogh, K-H. Fornacon, E. Georgescu, H. Rème, I. Dandouras, T. Takada, M. Volwerk, Y. Asano, A. Runov, H. Eichelberger, B. Klecker, C. Mouikis, L.M. Kistler and O. Amm, 2005: Cluster and Double Star observations of dipolarization. Ann. Geophys., 23, 2915-2920.

Nilsson, H., A. Kozlovsky, T. Sergienko and A. Kotikov, 2005: Radar observations in the vicinity of pre-noon auroral arcs. Ann. Geophys., 23, 1785-1796.

Parkhomov, V.A., M.O. Riazantseva and G.N. Zastenker, 2005: Local amplification of auroral electrojet as a response to a sharp solar wind pressure pulse. Planet. Space Sci., 53, 265-274.

Potapov, A., T. Polyushkina, T. L. Zhang, H. Zhao, A. Guglielmi and J. Kultima, 2005: Pc5 Oscillation Analysis by the Satellite and Ground-Based Data. Chinese Journal of Space Science, 25, 393-396.

Pulkkinen, A. and M. Engels, 2005: The role of 3-D geomagnetic induction in the determination of the ionospheric currents from the ground geomagnetic data. Ann. Geophys., 23, 909-917.

Pulkkinen, A., S. Lindahl, A. Viljanen and R. Pirjola, 2005: October 29-31, 2003 geomagnetic storm: geomagnetically induced currents and their relation to problems in the Swedish high-voltage power transmission system. Space Weather, 3, S08C03, doi: 10.1029/2004SW000123.

Rosenqvist, L., H. Opgenoorth, S. Buchert, I. McCrea, O. Amm and C. Lathuillere, 2005: Extreme solar-terrestrial events of October 2003: High-latitude and Cluster observations of the large geomagnetic disturbances on 30 October. J. Geophys. Res., 110, doi: 10.1029/2004JA010927.

Safargaleev, V., T. Sergienko, H. Nilsson, A. Kozlovsky, S. Massetti, S. Osipenko and A. Kotikov, 2005: Combined optical, EISCAT and magnetic observations of the omega bands/Ps6 pulsations and an auroral torch in the late morning hours: a case study. Ann. Geophys., 23, 1821-1838.

Sakurai, T. and Y. Tonegawa, 2005: Extreme magnetic field variations during the October 2003 superstorm. Adv. Polar Upper Atmos. Res., 19, 21-41.

Sarafopoulos, D.V., 2005: Pseudo-field line resonances in ground Pc5 pulsation events. Ann. Geophys., 23, 593-608.

Sarafopoulos, D.V., 2005: A case study testing the cavity mode model of the magnetosphere. Ann. Geophys., 23, 1867-1880.

Sarafopoulos, D.V., 2005: Cases for which the Earth's magnetosphere does not act as a "low-pass filter". J. Atmos. Solar-Terr. Phys., 67, 1427-1442.

Scoffield, H.C.. T.K. Yeoman, D.M. Wright, S.E. Milan, A.N. Wright and R.J. Strangeway, 2005: An investigation of the field-aligned currents associated with a large-scale ULF wave using data from CUTLASS and FAST. Ann. Geophys., 23, 487-498.

Sergeev, V.A., M.V. Kubyshkina, W. Baumjohann, R. Nakamura, O. Amm, T. Pulkkinen, V. Angelopoulos, S.B. Mende, B. Klecker, T. Nagai, J.-A. Sauvaud, J.A. Slavin and M.F. Thomsen, 2005: Transition from substorm growth to substorm expansion phase as observed with a radial configuration of ISTP and Cluster spacecraft. Ann. Geophys., 23, 2183-2198.

Shiokawa, K., I. Shinohara, T. Mukai, H. Hayakawa and C.Z. Cheng, 2005: Magnetic field fluctuations during substorm-associated dipolarizations in the nightside plasma sheet around X=-10RE. J. Geophys. Res., 110, A05212, doi:10.1029/2004JA010378.

Sinha, A.K., T.K. Yeoman, J.A. Wild, D.M. Wright, S.W.H. Cowley and A. Balogh, 2005: Evidence of transverse magnetospheric field line oscillations as observed from Cluster and ground magnetometers. Ann. Geophys., 23, 919-929.

Tanskanen, E.I., J.A. Slavin, A.J. Tanskanen, A. Viljanen, T.I. Pulkkinen, H.E.J. Koskinen, A. Pulkkinen and J. Eastwood, 2005: Magnetospheric substorms are strongly modulated by interplanetary high-speed streams. Geophys. Res. Lett., 32, L16104, doi:10.1029/2005GL023318.

Tanskanen, E.I., J.A. Slavin, D.H. Fairfield, D.G. Sibeck, J. Gjerloev, T. Mukai, A. Ieda and T. Nagai, 2005: Magnetotail response to prolonged southward IMF Bz intervals: Loading, unloading, and continuous magnetospheric dissipation. J. Geophys. Res., 110, doi:10.1029/2004JA010561.

Thompson, S.M., M.G. Kivelson, K.K. Khurana, R.L. McPherron, J.M. Weygand, A. Balogh, H. Rème and L.M. Kistler, 2005: Dynamic Harris current sheet thickness from Cluster current density and plasma measurements. J. Geophys. Res., 110, A02212, doi:10.1029/2004JA010714.

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Villante, U., M. Piersanti, P. Di Giuseppe, M. Vellante, T.L. Zhang and W. Magnes, 2005: Sudden commencement event of 17 April 2002: Aspects of the geomagnetic response at low latitudes. J. Geophys. Res., 110, A12S23, doi:10.1029/2004JA010978.

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Aikio, A.T., T. Pitkänen, A. Kozlovsky and O. Amm, 2006: Method to locate the polar cap boundary in the nightside ionosphere and application to a substorm event. Ann. Geophys., 24, 1905-1917.

Aminaei, A., F. Honary, A.J. Kavanagh, E. Spanswick and A. Viljanen, 2006: Characteristics of night-time absorption spike events. Ann. Geophys., 24, 1887-1904.

Amm, O., R. Nakamura, H.U. Frey, Y. Ogawa, M. Kubyshkina, A. Balogh and H. Rème, 2006: Substorm topology in the ionosphere and magnetosphere during a flux rope event in the magnetotail. Ann. Geophys., 24, 735-750.

Benkevitch, L.V., A.V. Koustov, J. Liang and J.F. Watermann, 2006: Comparison of the magnetic equivalent convection direction and ionospheric convection observed by the SuperDARN radars. Ann. Geophys., 24, 2981-2990.

Blagoveshchenskaya, N.F., V.A. Kornienko, T.D. Borisova, M.T. Rietveld, T. Bösinger, B. Thidé, T.B. Leyser and A. Brekke, 2006: Heater-induced phenomena in a coupled ionosphere-magnetosphere system. Adv. Space Res., 38, 2495-2502.

Borovsky, J.E. and M.H. Denton, 2006: Differences between CME-driven storms and CIR-driven storms. J. Geophys. Res., 111, A07S08, doi:10.1029/2005JA011447.

Cai, X., C.R. Clauer and A.J. Ridley, 2006: Statistical analysis of ionospheric potential patterns for isolated substorms and sawtooth events. Ann. Geophys., 24, 1977-1991.

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Feldstein, Y.I., V.A. Popov, J.A. Cumnock, A. Prigancova, L.G. Blomberg, J.U. Kozyra, B.T. Tsurutani, L.I. Gromova and A.E. Levitin, 2006: Auroral electrojets and boundaries of plasma domains in the magnetosphere during magnetically disturbed intervals. Ann. Geophys., 24, 2243-2276.

Hanuise, C., J.C. Cerisier, F. Auchère, K. Bocchialini, S. Bruinsma, N. Cornilleau-Wehrlin, N. Jakowski, C. Lathuillère, M. Menvielle, J.-J. Valette, N. Vilmer, J. Watermann and P. Yaya, 2006: From the Sun to the Earth: impact of the 27-28 May 2003 solar events on the magnetosphere, ionosphere and thermosphere. Ann. Geophys., 24, 129-151.

Juusola, L., O. Amm and A. Viljanen, 2006: 1D spherical elementary current systems and their use for determining ionospheric currents from satellite measurements. Earth, Planets and Space, 58, 667-678.

Kappenman, J.G., 2006: Great geomagnetic storms and extreme impulsive geomagnetic field disturbance events - An analysis of observational evidence including the great storm of May 1921. Adv. Space Res., 38, 188-199.

Keiling, A., M. Fujimoto, H. Hasegawa, F. Honary, V. Sergeev, V.S. Semenov, H.U. Frey, O. Amm, H. Rème, I. Dandouras and E. Lucek, 2006: Association of Pi2 pulsations and pulsed reconnection: ground and Cluster observations in the tail lobe at 16RE. Ann. Geophys., 24, 3433-3449.

Kokorowski, M., J.G. Sample, R.H. Holzworth, E.A. Bering, S.D. Bale, J.B. Blake, A.B. Collier, A.R.W. Hughes, E. Lay, R.P. Lin, M.P. McCarthy, R.M. Millan, H. Moraal, T.P. O'Brien, G.K. Parks, M. Pulupa, B.D. Reddell, D.M. Smith, P.H. Stoker and L. Woodger, 2006: Rapid fluctuations of stratospheric electric field following a solar energetic particle event. Geophys. Res. Lett., 33, L20105, doi:10.1029/2006GL027718.

Kornilova, T.A., I.A. Kornilov and O.I. Kornilov, 2006: Auroral Intensification Structure and Dynamics in the Double Oval: Substorm of December 26, 2000. Geomagn. Aeron., 46, 450-456.

Kozelova, T.V., L.L. Lazutin, B.V. Kozelov, N. Meredith and M.A. Danielides, 2006: Alternating bursts of low energy ions and electrons near the substorm onset. Ann. Geophys., 24, 1957-1968.

Kozlovsky, A.E., H. Nilsson and V.V. Safargaleev, 2006: Complex Study of the Auroral Arc Dynamics and Ionospheric Plasma Convection in Prenoon Hours. Geomagn. Aeron., 46, 473-484.

Kozyreva, O.V., N.G. Kleimenova, T.A. Kornilova, K. Kauristie, J. Manninen and A. Ranta, 2006: Unusual Spatial-Temporal Dynamics of Geomagnetic Disturbances during the Main Phase of the Extremely Strong Magnetic Storm of November 7-8, 2004. Geomagn. Aeron., 46, 580-592.

Loutchenko, L.N. and O.M. Raspopov, 2006: Extreme solar events and magnetic storms in October 2003 and their manifestations in the midlatitude ionosphere. Int. J. Geomagn. Aeron., 6, GI2009, doi:10.1029/2005GI000108.

Makarevich, R.A., F. Honary, V.S.C. Howells, A.V. Koustov, S.E. Milan, J.A. Davies, A. Senior, I.W. McCrea and P.L. Dyson, 2006: A first comparison of irregularity and ion drift velocity measurements in the E-region. Ann. Geophys., 24, 2375-2389.

Mann, I.R., K.G. Balmain, J.B. Blake, D. Boteler, S. Bourdarie, J.H. Clemmons, Z.C. Dent, A.W. Degeling, R. Fedosejeves, J.F. Fennell, B.J. Fraser, J.C. Green, V.K. Jordanova, A. Kale, L.M. Kistler, D.J. Knudsen, M.R. Lessard, T.M. Lotoaniu, D.K. Milling, T.P. O'Brien, T.G. Onsager, L.G. Ozeke, I.J. Rae, R. Rankin, G.D. Reeves, A.J. Ridley, G.J. Sofko, D. Summers, I. Thomson, R.M. Thorne, Y.Y. Tsui, C. Unick, D. Vassiliadis, J.R. Wygant and A.W. Yau, 2006: The outer radiation belt injection, transport, acceleration and loss satellite (ORBITALS): A canadian small satellite mission for ILWS. Adv. Space Res., 38, 1838-1860.

Parkhomov, V.A., A.V. Moldavanov and B. Tsegmed, 2006: On two different geomagnetic manifestations of solar flare November 4, 2003. J. Atmos. Solar-Terr. Phys., 68, 1370-1382.

Potapov, A., A. Guglielmi, B. Tsegmed and J. Kultima, 2006: Global Pc5 event during 29-31 October 2003 magnetic storm. Adv. Space Res., 38, 1582-1586.

Pulkkinen, T.I., N.Y. Ganushkina, E.I. Tanskanen, M. Kubyshkina, G.D. Reeves, M.F. Thomsen, C.T. Russell, H.J. Singer, J.A. Slavin and J. Gjerloev, 2006: Magnetospheric current systems during stormtime sawtooth events. J. Geophys. Res., 111, A11S17, doi:10.1029/2006JA011627.

Pulkkinen, A., A. Klimas, D. Vassiliadis, V. Uritsky and E. Tanskanen, 2006: Spatiotemporal scaling properties of the ground geomagnetic field variations. J. Geophys. Res., Vol. 111, No. A3, A03305, doi:10.1029/2005JA011294.

Pulkkinen, A., A. Viljanen and R. Pirjola, 2006: Estimation of geomagnetically induced current levels from different input data. Space Weather, 4, S08005, doi:10.1029/2006SW000229.

Rosenqvist, L., S. Buchert, H. Opgenoorth, A. Vaivads and G. Lu, 2006: Magnetospheric energy budget during huge geomagnetic activity using Cluster and ground-based data. J. Geophys. Res., 111, A10211, doi:10.1029/2006JA011608.

Sætre, C., C.A. Barth, J. Stadsnes, N. Østgaard, S.M. Bailey, D.N. Baker and J.W. Gjerloev, 2006: Comparisons of electron energy deposition derived from observations of lower thermospheric nitric oxide and from X-ray bremsstrahlung measurements. J. Geophys. Res., 111, A04302, doi:10.1029/2005JA011391.

Scoffield, H.C., T.K. Yeoman, T.R. Robinson, L.J. Baddeley, R.S. Dhillon, D.M. Wright, T. Raita and T. Turunen, 2006: First results of artificial stimulation of the ionospheric Alfven resonator at 78 N. Geophys. Res. Lett., 33, L19103, doi:10.1029/2006GL027384.

Sung, S.-K., K.-H. Kim, D.-H. Lee, K. Takahashi, C.A. Cattell, M. André, Y.V. Khotyaintsev and A. Balogh, 2006: Simultaneous ground-based and satellite observations of Pc5 geomagnetic pulsations: A case study using multipoint measurements. Earth, Planets and Space, 58, 873-883.

Viljanen, A., E.I. Tanskanen and A. Pulkkinen, 2006: Relation between substorm characteristics and rapid temporal variations of the ground magnetic field. Ann. Geophys., 24, 725-733.

Wang, H., S.Y. Ma, H. Lühr, Z.X. Liu, Z.Y. Pu, C.P. Escoubet, H.U. Frey, H. Rème and P. Ritter, 2006: Global manifestations of a substorm onset observed by a multi-satellite and ground station network. Ann. Geophys., 24, 3491-3496.


Baddeley, L.J., T.K. Yeoman, K.A. McWilliams and D.M. Wright, 2007: Global Pc5 wave activity observed using SuperDARN radars and ground magnetometers during an extended period of northward IMF. Planet. Space Sci., 55, 792-808, doi:10.1016/j.pss.2006.01.009.

Green, D.L., C.L. Waters, H. Korth, B.J. Anderson, A.J. Ridley and R.J. Barnes, 2007: Technique: Large-scale ionospheric conductance estimated from combined satellite and ground-based electromagnetic data. J. Geophys. Res., 112, A05303, doi:10.1029/2006JA012069.

Grocott, A., T.K. Yeoman, S.E. Milan, O. Amm, H.U. Frey, L. Juusola, R. Nakamura, C.J. Owen, H. Rème and T. Takada, 2007: Multi-scale observations of magnetotail flux transport during IMF-northward non-substorm intervals. Ann. Geophys., 25, 1709-1720,

Heilig, B., H. Lühr and M. Rother, 2007: Comprehensive study of ULF upstream waves observed in the topside ionosphere by CHAMP and on the ground. Ann. Geophys., 25, 737-754, 2007,

Hubert, B., K. Kauristie, O. Amm, S.E. Milan, A. Grocott, S.W.H. Cowley and T.I. Pulkkinen, 2007: Auroral streamers and magnetic flux closure. Geophys. Res. Lett., 34, L15105, doi:10.1029/2007GL030580.

Juusola, L., O. Amm, K. Kauristie and A. Viljanen, 2007: A model for estimating the relation between the Hall to Pedersen conductance ratio and ground magnetic data derived from CHAMP satellite statistics. Ann. Geophys., 25, 721-736.

Kale, Z.C., I.R. Mann, C.L. Waters, J. Goldstein, F.W. Menk and L.G. Ozeke, 2007: Ground magnetometer observation of a cross-phase reversal at a steep plasmapause. J. Geophys. Res., 112, A10222, doi:10.1029/2007JA012367.

Kleimenova, N.G. and O. V. Kozyreva, 2007: Daytime Quasiperiodic Geomagnetic Pulsations during the Recovery Phase of the Strong Magnetic Storm of May 15, 2005. Geomagn. Aeron., 47, 580-587.

Lazutin, L.L., T.V. Kozelova, N.P. Meredith, M. Danielides, B.V. Kozelov, J. Jussila and A. Korth, 2007: Studies of the Substorm on March 12, 1991: 1. Structure of Substorm Activity and Auroral Ions. Cosmic Research, 45, 27-38.

Lee, E.A., I.R. Mann, T. Lotoaniu and Z.C. Dent, 2007: Global Pc5 pulsations observed at unusually low L during the great magnetic storm of 24 March 1991. J. Geophys. Res., 112, A05208, doi:10.1029/2006JA011872.

Levitin, A. E., L.I. Gromova, L. A. Dremukhina and N.A. Palshin, 2007: Analysis of High-Latitude Current Systems during the BEAR Experiment Based on the IZMEM Model. Geomagn. Aeron., 47, 330-335.

Longden, N., F. Honary, A.J. Kavanagh and J. Manninen, 2007: The driving mechanisms of particle precipitation during the moderate geomagnetic storm of 7 January 2005. Ann. Geophys., 25, 2053-2068.

Morley, S.K., M.P. Freeman and E.I. Tanskanen, 2007: A comparison of the probability distribution of observed substorm magnitude with that predicted by a minimal substorm model. Ann. Geophys., 25, 2427-2437,

Mursula, K., 2007: Satellite observations of Pc 1 pearl waves: The changing paradigm. J. Atmos. Solar-Terr. Phys., 69, 1623-1634.

Palmroth, M., N. Partamies, J. Polvi, T.I. Pulkkinen, D.J. McComas, R.J. Barnes, P. Stauning, C.W. Smith, H.J. Singer and R. Vainio, 2007: Solar wind-magnetosphere coupling efficiency for solar wind pressure impulses. Geophys. Res. Lett., 34, L11101, doi:10.1029/2006GL029059.

Pulkkinen, A., M. Hesse, M. Kuznetsova and L. Rastätter, 2007: First-principles modeling of geomagnetically induced electromagnetic fields and currents from upstream solar wind to the surface of the Earth. Ann. Geophys., 25, 881-893,

Pulkkinen, T.I., N. Partamies, R.L. McPherron, M. Henderson, G.D. Reeves, M.F. Thomsen and H.J. Singer, 2007: Comparative statistical analysis of storm time activations and sawtooth events. J. Geophys. Res., 112, A01205, doi:10.1029/2006JA012024.

Pulkkinen, A., R. Pirjola and A. Viljanen, 2007: Determination of ground conductivity and system parameters for optimal modeling of geomagnetically induced current flow in technological systems. Earth, Planets and Space, 59, 999-1006.

Sokolova, E.Y., I.M. Varentsov and BEAR Working Group, 2007: Deep array electromagnetic sounding on the Baltic Shield: External excitation model and implications for upper mantle conductivity studies. Tectonophysics, 445, 3-25.

Thomson, A.W.P. and V. Lesur, 2007: An improved geomagnetic data selection algorithm for global geomagnetic field modelling. Geophys. J. Int., 169, 951-963 doi: 10.1111/j.1365-246X.2007.03354.x

Vassiliadis, D., I.R. Mann, S.F. Fung and X. Shao, 2007: Ground Pc3-Pc5 wave power distribution and response to solar wind velocity variations. Planet. Space Sci., 55, 743-754, doi:10.1016/j.pss.2006.03.012.

Waters, C.L., T.K. Yeoman, M.D. Sciffer, P. Ponomarenko and D.M. Wright, 2007: Modulation of radio frequency signals by ULF waves. Ann. Geophys., 25, 1113-1124,

Wild, J.A., S.E. Milan, J.A. Davies, M.W. Dunlop, D.M. Wright, C.M. Carr, A. Balogh, Rème, A.N. Fazakerley and A. Marchaudon, 2007: On the location of dayside magnetic reconnection during an interval of duskward oriented IMF. Ann. Geophys., 25, 219-238.

Yordanova, E., D. Sundkvist, S. C. Buchert, M. André, Y. Ogawa, M. Morooka, O. Margithu, O. Amm, A. N. Fazakerley and H. Rème, 2007: Energy input from the exterior cusp into the ionosphere: Correlated ground-based and satellite observations. Geophys. Res. Lett., 34, L04102, doi:10.1029/2006GL028617.

Zolotukhina, N. and J. Cao, 2007: Transformation of structured Pc1 into IPDP-like emission under enhanced magnetospheric convection: A case study. J. Atmos. Solar-Terr. Phys., 69, 1668-1679.

Zong, Q.-G., S.Y. Fu, D.N. Baker, M.L. Goldstein, P. Song, J.A. Slavin, T.A. Fritz, J.B. Cao, O. Amm, H. Frey, A. Korth, P.W. Daly, H. Reme and A. Pedersen, 2007: Earthward flowing plasmoid: Structure and its related ionospheric signature. J. Geophys. Res., 112, A07203, doi:10.1029/2006JA012112.


Aikio, A.T., T. Pitkänen, D. Fontaine, I. Dandouras, O. Amm, A. Kozlovsky, A. Vaivads and A. Fazakerley, 2008: EISCAT and Cluster observations in the vicinity of the dynamical polar cap boundary. Ann. Geophys., 26, 87-105,

Amm, O. and R. Fujii, 2008: Separation of Cowling channel and local closure currents in the vicinity of a substorm breakup spiral. J. Geophys. Res., 113, A06304, doi:10.1029/2008JA013021.

Apatenkov, S.V., V.A. Sergeev, O. Amm, W. Baumjohann, R. Nakamura, A. Runov, F. Rich, P. Daly, A. Fazakerley, I. Alexeev, J. A. Sauvaud and Y. Chotyaintsev, 2008: Conjugate observation of sharp dynamical boundary in the inner magnetosphere by Cluster and DMSP spacecraft and ground network. Ann. Geophys., 26, 2771-2780.

Baishev, D.G., G.V. Borisov, V.A. Velichko, S.N. Samsonov and K. Yumoto, 2008: Variations in the Geomagnetic Field and Auroras during the Main Phase of a Large Magnetic Storm of November 20, 2003. Geomagn. Aeron., 48, 201-208.

Clausen, L.B.N., T.K. Yeoman, R. Behlke and E.A. Lucek, 2008: Multi-instrument observations of a large scale Pc4 pulsation. Ann. Geophys., 26, 185-199,

Despirak, I.V., A.A. Lubchich, H.K. Biernat and A.G. Yahnin, 2008: Poleward Expansion of the Westward Electrojet Depending on the Solar Wind and IMF Parameters. Geomagn. Aeron., 48, 284-292.

Juusola, L., O. Amm, H.U. Frey, K. Kauristie, R. Nakamura, C.J. Owen, V. Sergeev, J.A. Slavin and A. Walsh, 2008: Ionospheric signatures during a magnetospheric flux rope event. Ann. Geophys., 26, 3967-3977.

Kataoka, R. and A. Pulkkinen, 2008: Geomagnetically induced currents during intense storms driven by coronal mass ejections and corotating interacting regions. J. Geophys. Res., 113, A03S12, doi:10.1029/2007JA012487.

Kikuchi, T., K.K. Hashimoto and K. Nozaki, 2008: Penetration of magnetospheric electric fields to the equator during a geomagnetic storm. J. Geophys. Res., 113, A06214, doi:10.1029/2007JA012628.

Kornilov, I.A., E.E. Antonova, T.A. Kornilova and O.I. Kornilov, 2008: Fine Structure of Auroras during Auroral Breakup according to the Ground Based and Satellite Observations. Geomagn. Aeron., 48, 7-19.

Manninen, J., N.G. Kleimenova, O.V. Kozyreva, A. Ranta, K. Kauristie, S. Mäkinen and T.A. Kornilova, 2008: Ground-based observations during the period between two strong November 2004 storms attributed to steady magnetospheric convection, J. Geophys. Res., 113, A00A09, doi:10.1029/2007JA012984.

Pilipenko, V., E. Fedorov, B. Heilig and M.J. Engebretson, 2008: Structure of ULF Pc3 waves at low altitudes. J. Geophys. Res., 113, A11208, doi:10.1029/2008JA013243.

Pulkkinen, A., R. Pirjola and A. Viljanen, 2008: Statistics of extreme geomagnetically induced current events. Space Weather, 6, S07001, doi:10.1029/2008SW000388.

Ritter, P. and H. Lühr, 2008: Near-Earth magnetic signature of magnetospheric substorms and an improved substorm current model. Ann. Geophys., 26, 2781-2793,

Roldugin, V.C. and A.V. Roldugin, 2008: Pc5 pulsations on the ground, in the magnetosphere, and in the electron precipitation: Event of 19 January 2005. J. Geophys. Res., 113, A04222, doi:10.1029/2007JA012553.

Runov, A., W. Baumjohann, R. Nakamura, V.A. Sergeev, O. Amm, H. Frey, I. Alexeev, A.N. Fazakerley, C.J. Owen, E. Lucek, M. André, A. Vaivads, I. Dandouras and B. Klecker, 2008: Observations of an active thin current sheet. J. Geophys. Res., 113, A07S27, doi:10.1029/2007JA012685.

Semenova, N.V., A.G. Yahnin, A.N. Vasilev and O. Amm, 2008: Specific Features of Resonance Structures in Spectra of ULF Electromagnetic Noise at High Latitudes (Barentsburg Observatory). Geomagn. Aeron., 48, 36-44.

Sergeev, V.A., S.V. Apatenkov, V. Angelopoulos, J.P. McFadden, D. Larson, J.W. Bonnell, M. Kuznetsova, N. Partamies and F. Honary, 2008: Simultaneous THEMIS observations in the near-tail portion of the inner and outer plasma sheet flux tubes at substorm onset. J. Geophys. Res., 113, A00C02, doi:10.1029/2008JA013527.

Smith, A.M., C.N. Mitchell, R.J. Watson, R.W. Meggs, P.M. Kintner, K. Kauristie and F. Honary, 2008: GPS scintillation in the high arctic associated with an auroral arc. Space Weather, 6, S03D01, doi:10.1029/2007SW000349.

Solovyev, S.I., R.N. Boroyev, A.V. Moiseyev, A. Du and K. Yumoto, 2008: Effect of Auroral Electrojets and Solar Wind Parameters on Variations in the Intensity of Low Latitude Geomagnetic Disturbances and Dst during the Extremely Large Magnetic Storm of November 20-21, 2003. Geomagn. Aeron., 48, 293-306.

Takada, T., R. Nakamura, L. Juusola, O. Amm, W. Baumjohann, M. Volwerk, A. Matsuoka, B. Klecker, K. Snekvik, C.J. Owen, A.N. Fazakerley, H.U. Frey, H. Rème, E.A. Lucek and C. Carr, 2008: Local field-aligned currents in the magnetotail and ionosphere as observed by a Cluster, Double Star, and MIRACLE conjunction. J. Geophys. Res., 113, A07S20, doi:10.1029/2007JA012759.

Weygand, J.M., R.L. McPherron, H. Frey, O. Amm, K. Kauristie, A.T. Viljanen and A. Koistinen, 2008: Relation of substorm onset to Harang discontinuity. J. Geophys. Res., 113, A04213, doi:10.1029/2007JA012537.

Weygand, J.M., R.L. McPherron, K. Kauristie, H.U. Frey and T.-S. Hsu, 2008: Relation of auroral substorm onset to local AL index and dispersionless particle injections. J. Atmos. Solar-Terr. Phys., 70, 2336-2345.

Wik, M., A. Viljanen, R. Pirjola, A. Pulkkinen, P. Wintoft and H. Lundstedt, 2008: Calculation of Geomagnetically Induced Currents in the 400 kV Power Grid in Southern Sweden. Space Weather, 6, S07005, doi:10.1029/2007SW000343.

Yu, Y. and A.J. Ridley, 2008: Validation of the space weather modeling framework using ground-based magnetometers. Space Weather, 6, S05002, doi:10.1029/2007SW000345.


Blagoveshchensky, D., A. Kalishin and J. MacDougall, 2009: Effects of a "day-time" substorm on the ionosphere and radio propagation. Adv. Space Res., 44, 1008-1012.

Blagoveshchensky, D.V., A.S. Kalishin, A.J. Stocker and E.M. Warrington, 2009: Propagation of HF Radiowaves on High Latitude Radio Paths during the Magnetically Disturbed Period of October 24-28, 2003. Geomagn. Aeron., 49, 786-796.

Degtyarev, V.I., I.P. Kharchenko, A.S. Potapov, B. Tsegmed and S.E. Chudnenko, 2009: Qualitative estimation of magnetic storm efficiency in producing relativistic electron flux in the Earth's outer radiation belt using geomagnetic pulsations data. Adv. Space Res., 43, 829-836, doi:10.1016/j.asr.2008.07.004

Forsyth, C., M. Lester, R.C. Fear, E. Lucek, I. Dandouras, A.N. Fazakerley, H. Singer and T.K. Yeoman, 2009: Solar wind and substorm excitation of the wavy current sheet. Ann. Geophys., 27, 2457-2474.

Francia, P., U. Villante and M. Vellante, 2009: A Comparative Analysis of Ground, Magnetospheric and Interplanetary Observations of Long Period Magnetic Oscillations. Earth Moon Planet, 104, 33-36, doi:10.1007/s11038-008-9244-0

Juusola, L., R. Nakamura, O. Amm and K. Kauristie, 2009: Conjugate ionospheric equivalent currents during bursty bulk flows. J. Geophys. Res., 114, A04313, doi:10.1029/2008JA013908.

Kavanagh, A.J., J.A. Wild and F. Honary, 2009: Observations of omega bands using an imaging riometer. Ann. Geophys., 27, 4183-4195,

Kleimenova, N.G. and O.V. Kozyreva, 2009: The Recovery Phase of the Superstrong Magnetic Storm of July 15-17, 2000: Substorms and ULF Pulsations. Geomagn. Aeron., 49, 303-316.

Kleimenova, N.G. and O.V. Kozyreva, 2009: Penetration of Pc5 Geomagnetic Pulsations to Unusually Low Latitudes during the Recovery Phase of a Superstrong Magnetic Storm of October 31, 2003. Geomagn. Aeron., 49, 1199-1203.

Kornilova, T.A. and I.A. Kornilov, 2009: Spatial-temporal dynamics of auroras during the magnetic storm main phase. Geomagn. Aeron., 49, 722-732.

Kozyreva, O.V. and N.G. Kleimenova, 2009: Variations in the ULF Index of Geomagnetic Pulsations during Strong Magnetic Storms. Geomagn. Aeron., 49, 425-437.

Kozyreva, O.V., I.N. Myagkova, E.E. Antonova and N.G. Kleimenova, 2009: Precipitation of Energetic Electrons and Pi3 Geomagnetic Pulsations at Polar Latitudes. Geomagn. Aeron., 49, 741-749.

Nagai, T., H. Tsunakawa, H. Shibuya, F. Takahashi, H. Shimizu, M. Matsushima, M.N. Nishino, Y. Yokota, K. Asamura, T. Tanaka, Y. Saito and O. Amm, 2009: Plasmoid formation for multiple onset substorms: observations of the Japanese Lunar Mission "Kaguya". Ann. Geophys., 27, 59-64,

Palmroth, M., T.I. Pulkkinen, J. Polvi, A. Viljanen and P. Janhunen, 2009: On the response of ionospheric electrojets to solar wind discontinuities. Ann. Geophys., 27, 3791-3803,

Pang, Y., X.H. Deng, Z.G. Yuan, M. Zhou, M.H. Lin, Z.W. Shu, S.Y. Li, J.F. Wang and A. Balogh, 2009: Polar ionosphere and geomagnetic response for the flux transfer events: A case study. Adv. Space Res., 43, 957-963.

Partamies, N., T.I. Pulkkinen, R.L. McPherron, K. McWilliams, C.R. Bryant, E. Tanskanen, H.J. Singer, G.D. Reeves and M.F. Thomsen, 2009: Statistical survey on sawtooth events, SMCs and isolated substorms. Adv. Space Res., 44, 376-384.

Pitkänen, T., A.T. Aikio, A. Kozlovsky and O. Amm, 2009: Reconnection electric field estimates and dynamics of high-latitude boundaries during a substorm. Ann. Geophys., 27, 2157-2171.

Potapov, A.S. and A.V. Guglielmi, 2009: A Nonlinear Displacement of Pc5 Latitudinal Profiles. Geomagn. Aeron., 49, 1189-1192.

Pulkkinen, A. and L. Rastätter, 2009: Minimum variance analysis-based propagation of the solar wind observations: Application to real-time global magnetohydrodynamic simulations. Space Weather, 7, S12001, doi:10.1029/2009SW000468.

Pulkkinen, A., A. Taktakishvili, D. Odstrcil and W. Jacobs, 2009: Novel approach to geomagnetically induced current forecasts based on remote solar observations. Space Weather, 7, S08005, doi:10.1029/2008SW000447.

Sarris, T., X. Li and H.J. Singer, 2009: A long-duration narrowband Pc5 pulsation. J. Geophys. Res., 114, A01213, doi:10.1029/2007JA012660.

Séran, E., M. Godefroy, K. Kauristie, J.-C. Cerisier, J.-J. Berthelier, M. Lester and L.-E. Sarri, 2009: What can we learn from HF signal scattered from a discrete arc? Ann. Geophys., 27, 1887-1896.

Snekvik, K., L. Juusola, N. Østgaard and O. Amm, 2009: Reconnection Hall current system observed in the magnetotail and in the ionosphere. Geophys. Res. Lett., 36, L08104, doi:10.1029/2009GL037239.

Solovyev, S.I., R.N. Boroyev, A.V. Moiseyev, A. Du and K. Yumoto, 2009: Dynamics of the Ionospheric Electric Currents and Auroral Luminosity Boundaries during Strong Magnetic Storms. Geomagn. Aeron., 49, 450-460.

Tanskanen, E.I., 2009: A comprehensive high-throughput analysis of substorms observed by IMAGE magnetometer network: Years 1993-2003 examined. J. Geophys. Res., 114, A05204, doi:10.1029/2008JA013682.

Thomson, A.W.P., A.J. McKay and A. Viljanen, 2009: A Review of Progress in Modelling of Induced Geoelectric and Geomagnetic Fields with Special Regard to Induced Currents. Acta Geophysica, 57, 209-219, doi: 10.2478/s11600-008-0061-7.

Turnbull, K.L., J.A. Wild, F. Honary, A.W.P. Thomson and A.J. McKay, 2009: Characteristics of variations in the ground magnetic field during substorms at mid latitudes. Ann. Geophys., 27, 3421-3428,

Vanhamäki, H., K. Kauristie, O. Amm, A. Senior, D. Lummerzheim and S. Milan, 2009: Electrodynamics of an omega-band as deduced from optical and magnetometer data. Ann. Geophys., 27, 3367-3385.

Watermann, J. and H. Gleisner, 2009: Geomagnetic Variations and their Time Derivatives During Geomagnetic Storms at Different Levels of Intensity. Acta Geophysica, 57, 197-208, doi:10.2478/s11600-008-0045-7.

Wik, M., R. Pirjola, H. Lundstedt, A. Viljanen, P. Wintoft and A. Pulkkinen, 2009: Space weather events in July 1982 and October 2003 and the effects of geomagnetically induced currents on Swedish technical systems. Ann. Geophys., 27, 1775-1787,


Belakhovsky, V.B. and V.A. Pilipenko, 2010: Excitation of Pc5 Pulsations of the Geomagnetic Field and Riometric Absorption. Cosmic Research, 48, 319-334.

Borderick, J.D., T.K. Yeoman, C.L. Waters and D.M. Wright, 2010: Observations and modelling of the wave mode evolution of an impulse-driven 3mHz ULF wave. Ann. Geophys., 28, 1723-1735,, doi:10.5194/angeo-28-1723-2010

Borodkova, N.L., 2010: Effect of Large and Sharp Changes of Solar Wind Dynamic Pressure on the Earth's Magnetosphere: Analysis of Several Events. Cosmic Research, 48, 41-55.

Feng, H.Q., J.K. Chao, L.H. Lyu and L.C. Lee, 2010: The relationship between small interplanetary magnetic flux rope and the substorm expansion phase. J. Geophys. Res., 115, A09108, doi:10.1029/2009JA015191.

Gjerloev, J.W., R.A. Hoffman, S. Ohtani, J. Weygand and R. Barnes, 2010: Response of the auroral electrojet indices to abrupt southward IMF turnings. Ann. Geophys., 28, 1167-1182,

Han, D.-S., H.-G. Yang, J. Liang, T. Iyemori, S.W.H. Cowley and T. Araki, 2010: High-latitude reconnection effect observed at the dayside dip equator as a precursor of a sudden impulse. J. Geophys. Res., 115, A08214, doi:10.1029/2009JA014787.

Heilig, B., S. Lotz, J. Vero, P. Sutcliffe, J. Reda, K. Pajunpaa and T. Raita, 2010: Empirically modelled Pc3 activity based on solar wind parameters. Ann. Geophys., 28, 1703-1722,, doi:10.5194/angeo-28-1703-2010

Hubert, B., A.T. Aikio, O. Amm, T. Pitkänen, K. Kauristie, S.E. Milan, S.W.H. Cowley and J.-C. Gerard, 2010: Comparison of the open-closed field line boundary location inferred using IMAGE-FUV SI12 images and EISCAT radar observations. Ann. Geophys., 28, 883-892,

Juusola, L., K. Andréeová, O. Amm, K. Kauristie, S. E. Milan, M. Palmroth and N. Partamies, 2010: Effects of a solar wind dynamic pressure increase in the magnetosphere and in the ionosphere. Ann. Geophys., 28, 1945-1959,, doi:10.5194/angeo-28-1945-2010.

Karpachev, A.T., N. Beloff, T.D. Carozzi, P.F. Denisenko, T.J.T. Karhunen and M. Lester, 2010: Detection of large scale TIDs associated with the dayside cusp using SuperDARN data. J. Atmos. Solar-Terr. Phys., 72, 653-661.

Kleimenova, N.G., O.V. Kozyreva, M. Kubicki and S. Michnowski, 2010: Morning Polar Substorms and Variations in the Atmospheric Electric Field. Geomagn. Aeron., 50, 48-57.

Kleimenova, N.G., O.V. Kozyreva, A.A. Vlasov, M.V. Uspensky and K. Kauristie, 2010: Afternoon Pc5 Geomagnetic Pulsations on the Earth's Surface and in the Ionosphere (STARE Radars). Geomagn. Aeron., 50, 329-338.

Kornilov, I.A. and T.A. Kornilova, 2010: Generation of VLF Emissions during the Substorm Preliminary Phase and the Auroral Dynamics at the Auroral Oval Northern Edge. Geomagn. Aeron., 50, 616-622.

Lee, D.-Y., K.-C. Choi, S. Ohtani, J.H. Lee, K.C. Kim, K.S. Park and K.-H. Kim, 2010: Can intense substorms occur under northward IMF conditions? J. Geophys. Res., 115, A01211, doi:10.1029/2009JA014480.

Manninen, J., N.G. Kleimenova, O.V. Kozyreva and T. Turunen, 2010: Pc5 geomagnetic pulsations, pulsating particle precipitation, and VLF chorus: Case study on 24 November 2006. J. Geophys. Res., 115, A00F14, doi:10.1029/2009JA014837.

Mishin, V.M., Z. Pu, L.A. Sapronova, M.V. Tolochko, T.I. Saifudinova and S.I. Solovyev, 2010: Substorms on February 26, 2008: Synthesis of the outside-in and inside-out scenarios. Geomagn. Aeron., 50, 997-1002, doi: 10.1134/S0016793210080104.

Obana, Y., F.W. Menk and I. Yoshikawa, 2010: Plasma refilling rates for L = 2.3-3.8 flux tubes. J. Geophys. Res., 115, A03204, doi:10.1029/2009JA014191.

Oyama, S., Shiokawa, K., Kurihara, J., Tsuda, T.T., Nozawa, S., Ogawa, Y., Otsuka, Y. and Watkins, B.J., 2010: Lower-thermospheric wind fluctuations measured with an FPI during pulsating aurora at Tromsø, Norway. Ann. Geophys., 28, 1847-1857, doi:10.5194/angeo-28-1847-2010.

Parkhomov, V.A., A.V. Dmitriev and A.D. Bazarzhapov, 2010: Spatial features of current systems of SFE-flares accompanied by gamma radiation. Geomagn. Aeron., 50, 1003-1014, doi:10.1134/S0016793210080116.

Roldugin, A.V., V.G. Vorobjev, V.C. Roldugin and S.A. Chernouss, 2010: Ground Based Observations of Auroras under the Sunlit Conditions. Geomagn. Aeron., 50, 34-40.

Safargaleev, V., A. Kozlovsky, F. Honary, A. Voronin and T. Turunen, 2010: Geomagnetic disturbances on ground associated with particle precipitation during SC. Ann. Geophys., 28, 247-265,

Sergeev, V.A., T.A. Kornilova, I.A. Kornilov, V. Angelopoulos, M.V. Kubyshkina, M. Fillingim, R. Nakamura, J.P. McFadden and D. Larson, 2010: Auroral signatures of the plasma injection and dipolarization in the inner magnetosphere. J. Geophys. Res., 115, A02202, doi:10.1029/2009JA014522.

Villante, U., P. Francia and M. Vellante, 2010: Long period magnetospheric oscillations at discrete frequencies: The results of a multi-station analysis. Adv. Space Res., 46, 460-467, doi:10.1016/j.asr.2009.07.030.

Weimer, D.R., C.R. Clauer, M.J. Engebretson, T.L. Hansen, H. Gleisner, I. Mann and K. Yumoto, 2010: Statistical maps of geomagnetic perturbations as a function of the interplanetary magnetic field. J. Geophys. Res., 115, A10320, doi:10.1029/2010JA015540.

Yagova, N.V., V.A. Pilipenko, L.N. Baransky and M.J. Engebretson, 2010: Spatial distribution of spectral parameters of high latitude geomagnetic disturbances in the Pc5/Pi3 frequency range. Ann. Geophys., 28, 1761-1775,, doi:10.5194/angeo-28-1761-2010

Yeoman, T.K., D.Y. Klimushkin and P.N. Mager, 2010: Intermediate-m ULF waves generated by substorm injection: a case study. Ann. Geophys., 28, 1499-1509,, doi:10.5194/angeo-28-1499-2010.

Zhou, X.-Y., D.G. Sibeck, O. Amm and J.M. Ruohoniemi, 2010: Interplanetary shock generated ionospheric traveling convection vortex near local noon. Advances in Geosciences, Vol. 21: Solar & Terrestrial Science, ed. Marc Duldig, Singapore: World Scientific, p. 367-378.


Amm, O., R. Fujii, K. Kauristie, A. Aikio, A. Yoshikawa, A. Ieda and H. Vanhamäki, 2011: A statistical investigation of the Cowling channel efficiency in the auroral zone. J. Geophys. Res., 116, A02304, doi:10.1029/2010JA015988.

Amm, O., R. Nakamura, T. Takada, K. Kauristie, H.U. Frey, C.J. Owen, A. Aikio and R. Kuula, 2011: Observations of an auroral streamer in a double oval configuration. Ann. Geophys., 29, 701-716, doi:10.5194/angeo-29-701-2011.

Andalsvik, Y.L., P.E. Sandholt and C.J. Farrugia, 2011: Dayside and nightside contributions to cross-polar cap potential variations: the 20 March 2001 ICME case. Ann. Geophys., 29, 2189-2201, doi:10.5194/angeo-29-2189-2011.

Andreeova, K., T.I. Pulkkinen, L. Juusola, M. Palmroth and O. Santolik, 2011: Propagation of a shock-related disturbance in the Earth's magnetosphere. J. Geophys. Res., 116, A01213, doi:10.1029/2010JA015908.

Andreeova, K., T.I. Pulkkinen, M. Palmroth and R. McPherron, 2011: Geoefficiency of solar wind discontinuities. J. Atmos. Solar-Terr. Phys., 73, 112-122, doi: 10.1016/j.jastp.2010.03.006.

Badin, V.I., 2011: Search for Hidden Periodicity in Magnetometric Measurements Performed during Auroras. Geomagn. Aeron., 51, 178-186.

Belakhovsky, V.B. and V.A. Pilipenko, 2011: Generation of Magnetic Field Pc5 Pulsations and Particle Fluxes during the Recovery Phase of a Magnetic Storm on October 31, 2003. Geomagn. Aeron., 51, 599-619.

Borisova, T.D., N.F. Blagoveshchenskaya, V.A. Kornienko and M.T. Rietveld, 2011: Characteristics of Pc4-5 Pulsations Obtained Using the Method of Bistatic Backscatter of HF Radio Waves, the EISCAT HF Heating Facility, and Ground Based Magnetometers. Geomagn. Aeron., 51, 620-632.

Eastwood, J.P., S.J. Schwartz, T.S. Horbury, C.M. Carr, K.-H. Glassmeier, I. Richter, C. Koenders, F. Plaschke and J.A. Wild, 2011: Transient Pc3 wave activity generated by a hot flow anomaly: Cluster, Rosetta, and ground-based observations. J. Geophys. Res., 116, A08224, doi:10.1029/2011JA016467.

Enell, C.-F., J. Hedin, J. Stegman, G. Witt, M. Friedrich, W. Singer, G. Baumgarten, B. Kaifler, U.-P. Hoppe, B. Gustavsson, U. Brändström, M. Khaplanov, A. Kero, T. Ulich and E. Turunen, 2011: The Hotel Payload 2 campaign: Overview of NO, O and electron density measurements in the upper mesosphere and lower thermosphere, J. Atmos. Solar-Terr. Phys., 73, 2228-2236, doi: 10.1016/j.jastp.2011.01.001.

Hashimoto, K.K., T. Kikuchi, S. Watari and M.A. Abdu, 2011: Polar-equatorial ionospheric currents driven by the region 2 field-aligned currents at the onset of substorms. J. Geophys. Res., 116, A09217, doi:10.1029/2011JA016442.

Kleimenova, N.G., O.V. Kozyreva, M. Kubicki and S. Michnowski, 2011: Variations in the Near Ground Electric Field at High Latitudes and the Potential Drop across the Polar Cap during Morning Polar Substorms. Geomagn. Aeron., 51, 397-404.

Kleimenova, N.G., O.V. Kozyreva, J. Manninen, T. Raita, T.A. Kornilova and I.A. Kornilov, 2011: High-latitude geomagnetic disturbances during the initial phase of a recurrent magnetic storm (from February 27 to March 2, 2008). Geomagn. Aeron., 51, 730-740.

Mishin, V.M., M. Förster, M.A. Kurikalova and V.V. Mishin, 2011: The generator system of field-aligned currents during the April 06, 2000, superstorm. Adv. Space Res., 48, 1172-1183, doi:10.1016/j.asr.2011.05.029.

Mursula, K., E. Tanskanen and J.J. Love, 2011: Spring-fall asymmetry of substorm strength, geomagnetic activity and solar wind: Implications for semiannual variation and solar hemispheric asymmetry. Geophys. Res. Lett., 38, L06104, doi:10.1029/2011GL046751.

Newell, P.T. and J.W. Gjerloev, 2011: Evaluation of SuperMAG auroral electrojet indices as indicators of substorms and auroral power. J. Geophys. Res., 116, A12211, doi:10.1029/2011JA016779.

Newell, P.T. and J.W. Gjerloev, 2011: Substorm and magnetosphere characteristic scales inferred from the SuperMAG auroral electrojet indices. J. Geophys. Res., 116, A12232, doi:10.1029/2011JA016936.

Parkhomov, V.A., N.L. Borodkova, A.V. Dmitriev, P.M. Klimov and R.A. Rakhmatulin, 2011: The role of solar wind pressure jumps in the initiation and control processes of magnetospheric substorms. Geomagn. Aeron., 51, 979-993, doi:10.1134/S0016793211070176.

Partamies, N., L. Juusola, E. Tanskanen, K. Kauristie, J.M. Weygand and Y. Ogawa, 2011: Substorms during different storm phases. Ann. Geophys., 29, 2031-2043, doi:10.5194/angeo-29-2031-2011.

Petlenko, A.V., Y.A. Kopytenko, V.A. Martines, V.A. Pilipenko and V.S. Ismagilova, 2011: Fine Structure of Pi2 Type Geomagnetic Pulsations. Geomagn. Aeron., 51, 584-598.

Pitkänen, T., A.T. Aikio, O. Amm, K. Kauristie, H. Nilsson and K.U. Kaila, 2011: EISCAT-Cluster observations of quiet-time near-Earth magnetotail fast flows and their signatures in the ionosphere. Ann. Geophys., 29, 299-319.

Pulkkinen, T.I., E.I. Tanskanen, A. Viljanen, N. Partamies and K. Kauristie, 2011: Auroral electrojets during deep solar minimum at the end of solar cycle 23. J. Geophys. Res., 116, A04207, doi:10.1029/2010JA016098.

Solovyev, S.I., R.N. Boroev, A.V. Moiseev, A. Du and K. Yumoto, 2011: Development of Auroral Electrojets and Low Latitude Geomagnetic Disturbances during Strong Magnetic Storms on November 7-11, 2004. Cosmic Research, 49, p. 42-55.

Tan, L.C., X. Shao, A.S. Sharma and S.F. Fung, 2011: Relativistic electron acceleration by compressional-mode ULF waves: Evidence from correlated Cluster, Los Alamos National Laboratory spacecraft, and ground-based magnetometer measurements. J. Geophys. Res., 116, A07226, doi:10.1029/2010JA016226.

Tanskanen, E.I., T.I. Pulkkinen, A. Viljanen, K. Mursula, N. Partamies and J.A. Slavin, 2011: From space weather toward space climate time scales: Substorm analysis from 1993 to 2008. J. Geophys. Res., 116, A00I34, doi:10.1029/ 2010JA015788.

Vanhamäki, H. and O. Amm, 2011: Analysis of ionospheric electrodynamic parameters on mesoscales - a review of selected techniques using data from ground-based observation networks and satellites. Ann. Geophys., 29, 467-491, doi:10.5194/angeo-29-467-2011.

Viljanen, A. and E. Tanskanen, 2011: Climatology of rapid geomagnetic variations at high latitudes over two solar cycles. Ann. Geophys., 9, 1783-1792, doi:10.5194/angeo-29-1783-2011.

Vlasov, A., K. Kauristie, M. van de Kamp, J.-P. Luntama and A. Pogoreltsev, 2011: A study of Traveling Ionospheric Disturbances and Atmospheric Gravity Waves using EISCAT Svalbard Radar IPY-data. Ann. Geophys., 29, 2101-2116, doi:10.5194/angeo-29-2101-2011.

Volwerk, M., J. Berchem, Y.V. Bogdanova, O.D. Constantinescu, M.W. Dunlop, J.P. Eastwood, P. Escoubet, A.N. Fazakerley, H. Frey, H. Hasegawa, B. Lavraud, E.V. Panov, C. Shen, J.K. Shi, M.G.G.T. Taylor, J. Wang, J.A. Wild, Q.H. Zhang, O. Amm and J.M. Weygand, 2011: Interplanetary magnetic field rotations followed from L1 to the ground: the response of the Earth's magnetosphere as seen by multi-spacecraft and ground-based observations. Ann. Geophys., 29, 1549-1569.


Andalsvik, Y.L., P.E. Sandholt and C.J. Farrugia, 2012: Substorms and polar cap convection: the 10 January 2004 interplanetary CME case. Ann. Geophys., 30, 67-80, doi:10.5194/angeo-30-67-2012.

Baddeley, L.J., I. Haggstrøm, T.K. Yeoman and M. Rietveld, 2012: First observations of SPEAR-induced topside and bottomside sporadic E layer heating observed using the EISCAT Svalbard and SuperDARN radars. J. Geophys. Res., 117, A01307, doi:10.1029/2011JA017079.

Cosgrove, R. and E. Sanchez, 2012: Correlation as a global measure of geomagnetic activity: Phase boundaries and a precedent line of nodes. J. Geophys. Res., 117, A06209, doi:10.1029/2011JA017483.

Fiori, R.A.D., D.H. Boteler and A.V. Koustov, 2012: Response of ionospheric convection to sharp southward IMF turnings inferred from magnetometer and radar data. J. Geophys. Res., 117, A09302, doi:10.1029/2012JA017755.

Frank-Kamenetskii, A.V., A.L. Kotikov, A.A. Kruglov, G.B. Burns, N.G. Kleimenova, O.V. Kozyreva, M. Kubitski and A. Odzimek, 2012: Variations in the near-surface atmospheric electric field at high latitudes and ionospheric potential during geomagnetic perturbations. Geomagn. Aeron., 52, 629-638, doi: 10.1134/S0016793212050064.

Gjerloev, J.W., 2012: The SuperMAG data processing technique. J. Geophys. Res., 117, A09213, doi:10.1029/2012JA017683.

Guo, J., X. Feng, T.I. Pulkkinen, E.I. Tanskanen, W. Xu, J. Lei and B.A. Emery, 2012: Auroral electrojets variations caused by recurrent high-speed solar wind streams during the extreme solar minimum of 2008. J. Geophys. Res., 117, A04307, doi:10.1029/2011JA017458.

Jacobsen, K.S. and S. Schäfer, 2012: Observed effects of a geomagnetic storm on an RTK positioning network at high latitudes. J. Space Weather Space Clim., 2, A13, doi:

Kleimenova, N.G., E.E. Antonova, O.V. Kozyreva, L.M. Malysheva, T.A. Kornilova and I.A. Kornilov, 2012: Wave structure of magnetic substorms at high latitudes. Geomagn. Aeron., 52, 746-754, doi: 10.1134/S0016793212060059.

Kornilova, T.A. and I.A. Kornilov, 2012: Specific features in the countermotion of substorm auroral intensifications. Geomagn. Aeron., 52, 755-760, doi: 10.1134/S0016793212050106.

Kornilova, T.A. and I.A. Kornilov, 2012: Counterstreaming auroral structures during substorm expansion. J. Geophys. Res., 117, A05328, doi:10.1029/2011JA017309.

Kozlovskaya, E. and A. Kozlovsky, 2012: Influence of high-latitude geomagnetic pulsations on recordings of broadband force-balanced seismic sensors. Geosci. Instrum. Method. Data Syst., 1, 85-101, doi:10.5194/gi-1-85-2012.

Lee, D.-Y., S. Ohtani, H.S. Kim and K.C. Kim, 2012: Observational test of interchange instability associated with magnetic dipolarization in the near-Earth plasma sheet of r < 12 RE. J. Geophys. Res., 117, A08206, doi:10.1029/2012JA017633.

Manninen, J., N.G. Kleimenova and O.V. Kozyreva, 2012: New type of ensemble of quasi-periodic, long-lasting VLF emissions at the auroral zone. Ann. Geophys., 30, 1655-1660, doi:10.5194/angeo-30-1655-2012.

Manninen, J., N.G. Kleimenova, O.V. Kozyreva, P.A. Bespalov and T. Raita, 2012: Quasi-periodic very low frequency emissions, very low frequency chorus, and geomagnetic Pc4 pulsations (Event on April 3, 2011). Geomagn. Aeron., 52, 77-87, doi: 10.1134/S0016793212010070.

Nedie, A.Z., R. Rankin and F.R. Fenrich, 2012: SuperDARN observations of the driver wave associated with FLRs. J. Geophys. Res., 117, A06232, doi:10.1029/2011JA017387.

Piersanti, M., U. Villante, C. Waters and I. Coco, 2012: The 8 June 2000 ULF wave activity: A case study. J. Geophys. Res., 117, A02204, doi:10.1029/2011JA016857.

Pulkkinen, A., E. Bernabeu, J. Eichner, C. Beggan and A.W.P. Thomson, 2012: Generation of 100-year geomagnetically induced current scenarios. Space Weather, 10, S04003, doi:10.1029/2011SW000750.

Sandholt, P.E., Y.L. Andalsvik and C.J. Farrugia, 2012: The pulsed nature of the nightside contribution to polar cap convection: repetitive substorm activity under steady interplanetary driving. Ann. Geophys., 30, 1539-1553, doi:10.5194/angeo-30-1539-2012.

Sato, Y., T. Ono, N. Sato and Y. Ogawa, 2012: First observations of 4fce auroral roar emissions. Geophys. Res. Lett., 39, L07101, doi:10.1029/2012GL051205.

Sauvaud, J.-A., C. Jacquey, M. Oka, L. Palin, G. Fruit, L.M. Kistler, A. Balogh, J.B. Cao, G. Reeves, T. Mukai, I. Shinohara and E. Grigorenko, 2012: A study of the changes of the near-Earth plasma sheet and lobe driven by multiple substorms: Comparison with a full particle simulation of reconnection. J. Geophys. Res., 117, A01221, doi:10.1029/2011JA017033.

Shiokawa, K., M. Mori, Y. Otsuka, S. Oyama and S. Nozawa, 2012: Motion of high-latitude nighttime medium-scale traveling ionospheric disturbances associated with auroral brightening. J. Geophys. Res., 117, A10316, doi:10.1029/2012JA017928.

Singh, A.K., A.K. Sinha, R. Rawat, B. Jayashree, B.M. Pathan and A. Dhar, 2012: A broad climatology of very high latitude substorms. Adv. Space Res., 50, 1512-1523.

Smirnov, M.Yu. and G.D. Egbert, 2012: Robust principal component analysis of electromagnetic arrays with missing data. Geophys. J. Int., 190: 1423-1438. doi: 10.1111/j.1365-246X.2012.05569.x

Tsuji, Y., A. Shinbori, T. Kikuchi and T. Nagatsuma, 2012: Magnetic latitude and local time distributions of ionospheric currents during a geomagnetic storm. J. Geophys. Res., 117, A07318, doi:10.1029/2012JA017566.

Viljanen, A., R. Pirjola, M. Wik, A. Adam, E. Pracser, Ya. Sakharov and Yu. Katkalov, 2012: Continental scale modelling of geomagnetically induced currents. J. Space Weather Space Clim., 2, A17, doi:10.1051/swsc/2012017.


Aikio, A.T., T. Pitkänen, I. Honkonen, M. Palmroth and O. Amm, 2013: IMF effect on the polar cap contraction and expansion during a period of substorms. Ann. Geophys., 31, 1021-1034, doi:10.5194/angeo-31-1021-2013.

Amm, O., R. Fujii, H. Vanhamäki, A. Yoshikawa and A. Ieda, 2013: General solution for calculating polarization electric fields in the auroral ionosphere and application examples. J. Geophys. Res. Space Physics, 118, 2428-2437, doi:10.1002/jgra.50254.

Blagoveshchenskii, D.V., D.D. Rogov and T. Ulich, 2013: Variations in the horizontal correlation radius of the ionosphere during a magnetospheric substorm. Geomagn. Aeron., 53, 166-176, doi:10.1134/S0016793213020035.

Borisova, T.D., N.F. Blagoveshchenskaya, I.M. Ivanova and M.T. Rietveld, 2013: Dependence of the Pc4 magnetic pulsation parameters on the radiated power of the EISCAT HF heating facility. Geomagn. Aeron., 53, 32-42, doi:10.1134/S0016793213010040.

Cresswell-Moorcock, K., C.J. Rodger, A. Kero, A.B. Collier, M.A. Clilverd, I. Häggström and T. Pitkänen, 2013: A reexamination of latitudinal limits of substorm-produced energetic electron precipitation. J. Geophys. Res. Space Physics, 118, 6694-6705, doi:10.1002/jgra.50598.

Engebretson, M.J., T.K. Yeoman, K. Oksavik, F. Søraas, F. Sigernes, J.I. Moen, M.G. Johnsen, V.A. Pilipenko, J.L. Posch, M.R. Lessard, B. Lavraud, M.D. Hartinger, L.B.N. Clausen, T. Raita and C. Stolle, 2013: Multi-instrument observations from Svalbard of a traveling convection vortex, electromagnetic ion cyclotron wave burst, and proton precipitation associated with a bow shock instability. J. Geophys. Res. Space Physics, 118, 2975-2997, doi:10.1002/jgra.50291.

Juusola, L., M. Kubyshkina, R. Nakamura, T. Pitkänen, O. Amm, K. Kauristie, N. Partamies, H. Rème, K. Snekvik and D. Whiter, 2013: Ionospheric signatures of a plasma sheet rebound flow during a substorm onset, J. Geophys. Res. Space Physics, 118, 350-363, doi: 10.1029/2012JA018132.

Kauristie, K., M.V. Uspensky, N.G. Kleimenova, O.V. Kozyreva, S.V. Dubyagin and A.A. Vlasov, 2013: Isolated nighttime substorms and morning geomagnetic Pc5 pulsations from ground-based and satellite (THEMIS) observations. Geomagn. Aeron., 53, 613-625, doi: 10.1134/S0016793213050095.

Kleimenova, N., O. Kozyreva, S. Michnowski and M. Kubicki, 2013: Influence of geomagnetic disturbances on atmospheric electric field (Ez) variations at high and middle latitudes. J. Atmos. Solar-Terr. Phys., 99, 117-122, doi: 10.1016/j.jastp.2012.07.009.

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Lazutin, L.L., 2013: Injection of relativistic electrons into the internal magnetosphere during magnetic storms: Connection with substorms. Geomagn. Aeron., 53, 716-732, doi:10.1134/S0016793213050113.

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Yagova, N.A., 2015: Spectral slope of high-latitude geomagnetic disturbances in the frequency range 1-5 mHz. Control parameters inside and outside the magnetosphere. Geomagn. Aeron., 55, 32-40, doi:10.1134/S0016793215010144.

Yagova, N., B. Heilig and E. Fedorov, 2015: Pc2-3 geomagnetic pulsations on the ground, in the ionosphere, and in the magnetosphere: MM100, CHAMP, and THEMIS observations. Ann. Geophys., 33, 117-128, doi:10.5194/angeo-33-117-2015.

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Belakhovsky, V., V. Pilipenko, D. Murr, E. Fedorov and A. Kozlovsky, 2016: Modulation of the ionosphere by Pc5 waves observed simultaneously by GPS/TEC and EISCAT. Earth Planets Space, 68:102, doi:10.1186/s40623-016-0480-7.

Gromova, L.I., N.G. Kleimenova, A.E. Levitin, S.V. Gromov, L.A. Dremukhina and N.R. Zelinskii, 2016: Daytime Geomagnetic Disturbances at High Latitudes during a Strong Magnetic Storm of June 21-23, 2015: The Storm Initial Phase. Geomagn. Aeron., 56, 81-292, doi:10.1134/S0016793216030051.

Hajra, R., B.T. Tsurutani, E. Echer, W.D. Gonzalez and J.W. Gjerloev, 2016: Supersubstorms (SML<-2500 nT): Magnetic storm and solar cycle dependences. J. Geophys. Res. Space Physics, 121, doi:10.1002/2015JA021835.

Jacobsen, K.S. and Y.L. Andalsvik, 2016: Overview of the 2015 St. Patrick's day storm and its consequences for RTK and PPP positioning in Norway. J. Space Weather Space Clim., 6, A9, doi: 10.1051/swsc/2016004.

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Juusola, L., W.E. Archer, K. Kauristie, J.K. Burchill, H. Vanhamäki and A.T. Aikio, 2016: Ionospheric Conductances and Currents of a Morning-Sector Auroral Arc From Swarm-A Electric and Magnetic Field Measurements. Geophys. Res. Lett., 43, doi:10.1002/2016GL070248.

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Lee, S.H., D.G. Sibeck, K.-J. Hwang, Y. Wang, M.V.D. Silveira, M.-C. Fok, B.H. Mauk, I.J. Cohen, J.M. Ruohoniemi, N. Kitamura, J.L. Burch, B.L. Giles, R.B. Torbert, C.T. Russell and M. Lester, 2016: Inverse energy dispersion of energetic ions observed in the magnetosheath. Geophys. Res. Lett., 43, 7338-7347, doi:10.1002/2016GL069840.

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Nemec, F., B. Bezdekova, J. Manninen, M. Parrot, O. Santolik, M. Hayosh and T. Turunen, 2016: Conjugate observations of a remarkable quasiperiodic event by the low-altitude DEMETER spacecraft and ground-based instruments. J. Geophys. Res. Space Physics, 121, 8790-8803, doi:10.1002/2016JA022968.

Newell, P.T., K. Liou, J.W. Gjerloev, T. Sotirelis, S. Wing and E.J. Mitchell, 2016: Substorm probabilities are best predicted from solar wind speed. J. Atmos. Sol.-Terr. Phys., 146, 28-37, doi:10.1016/j.jastp.2016.04.019.

Palin, L., H.J. Opgenoorth, K. Ågren, T. Zivkovic, V.A. Sergeev, M.V. Kubyshkina, A. Nikolaev, K. Kauristie, M. van de Kamp, O. Amm, S.E. Milan, S.M. Imber, G. Facskó, M. Palmroth and R. Nakamura, 2016: Modulation of the substorm current wedge by bursty bulk flows: 8 September 2002 - Revisited. J. Geophys. Res. Space Physics, 121, 4466-4482, doi:10.1002/2015JA022262.

Pfau-Kempf, Y., H. Hietala, S.E. Milan, L. Juusola, S. Hoilijoki, U. Ganse, S. von Alfthan and M. Palmroth, 2016: Evidence for transient, local ion foreshocks caused by dayside magnetopause reconnection. Ann. Geophys., 34, 943-959, doi:10.5194/angeo-34-943-2016.

Piersanti, M. and U. Villante, 2016: On the discrimination between magnetospheric and ionospheric contributions on the ground manifestation of sudden impulses. J. Geophys. Res. Space Physics, 121, doi:10.1002/2015JA021666.

Prikryl, P., R. Ghoddousi-Fard, J.M. Weygand, A. Viljanen, M. Connors, D.W. Danskin, P.T. Jayachandran, K.S. Jacobsen, Y.L. Andalsvik, E.G. Thomas, J.M. Ruohoniemi, T. Durgonics, K. Oksavik, Y. Zhang, E. Spanswick, M. Aquino and V. Sreeja, 2016: GPS phase scintillation at high latitudes during the geomagnetic storm of March 17-18, 2015. J. Geophys. Res. Space Physics, 121, doi:10.1002/2016JA023171.

Pulkkinen, T.I., A.P. Dimmock, A. Lakka, A. Osmane, E. Kilpua, M.E. Myllys, E.I Tanskanen and A. Viljanen, 2016: Magnetosheath Control of Solar Wind - Magnetosphere Coupling Efficiency. J. Geophys. Res. Space Physics, 121, 8728-8739, doi:10.1002/2016JA023011.

Tian, A.M., X.C. Shen, Q.Q. Shi, B.B. Tang, M. Nowada, Q.G. Zong and S.Y. Fu, 2016: Dayside magnetospheric and ionospheric responses to solar wind pressure increase: Multispacecraft and ground observations. J. Geophys. Res. Space Physics, 121, doi:10.1002/2016JA022459.

Vanhamäki, H., A. Aikio, M. Voiculescu, L. Juusola, T. Nygrén and R. Kuula, 2016: Electrodynamic structure of the morning high-latitude trough region, J. Geophys. Res. Space Physics, 121, 2669-2682, doi:10.1002/2015JA022021.

Woodroffe, J.R., S.K. Morley, V.K. Jordanova, M.G. Henderson, M.M. Cowee and J.G. Gjerloev, 2016: The latitudinal variation of geoelectromagnetic disturbances during large (Dst<−100 nT) geomagnetic storms. Space Weather, 14, 668-681, doi:10.1002/2016SW001376.


Borries, C., N. Jakowski, K. Kauristie, O. Amm, J. Mielich and D. Kouba, 2017: On the dynamics of large-scale traveling ionospheric disturbances over Europe on 20 November 2003. J. Geophys. Res. Space Physics, 122, doi:10.1002/2016JA023050.

Dods, J., S.C. Chapman and J.W. Gjerloev, 2017: Characterizing the ionospheric current pattern response to southward and northward IMF turnings with dynamical SuperMAG correlation networks. J. Geophys. Res. Space Physics, 122, doi:10.1002/2016JA023686.

Shore, R.M., M.P. Freeman, J.A. Wild and J.W. Gjerloev, 2017: A high-resolution model of the external and induced magnetic field at the Earth's surface in the Northern Hemisphere. J. Geophys. Res. Space Physics, 122, doi:10.1002/2016JA023682.

If you are interested in studies related to the IMS period, see

Untiedt, J. and W. Baumjohann, 1993: Studies of polar current systems using the IMS Scandinavian magnetometer array. Space Sci. Rev., 63, 245-390.

It also includes an extensive list of references.

Updated: 24.2.2017 - AV