Items where Author is "Amm, O."

Journal Article

Weygand, J. M. and Kivelson, M. G. and Frey, H. U. and Rodriguez, J. V. and Angelopoulos, V. and Redmon, R. and Barker-Ream, J. and Grocott, A. and Amm, O. (2015) An interpretation of spacecraft and ground based observations of multiple omega band events. Journal of Atmospheric and Solar-Terrestrial Physics, 133. pp. 185-204. ISSN 1364-6826

Weygand, J. M. and Amm, O. and Angelopoulos, V. and Milan, S. E. and Grocott, A. and Gleisner, H. and Stolle, C. (2012) Comparison between SuperDARN flow vectors and equivalent ionospheric currents from ground magnetometer arrays. Journal of Geophysical Research, 117 (A5): A05325. ISSN 0148-0227

Owen, C.J. and Amm, O. and Bruno, R. and De Keyser, J. and Dunlop, M.W. and Eastwood, J.P. and Fazakerley, A.N. and Fontaine, D. and Forsyth, C. and Hasegawa, H. and Hellinger, P. and Hercik, D. and Jacquey, C. and Milan, S. and Raeder, J. and Sibeck, D.G. and Stverak, S. and Travnicek, P. and Walsh, A.P. and Wild, James (2012) IMPALAS: Investigation of MagnetoPause Activity using Longitudinally-Aligned Satellites—a mission concept proposed for the ESA M3 2020/2022 launch. Experimental Astronomy, 33. pp. 365-401. ISSN 0922-6435

Volwerk, M. and Berchem, J. and Bogdanova, Y. V. and Constantinescu, O. D. and Dunlop, M. W. and Eastwood, J.P. and Escoubet, P. and Fazakerley, A. N. and Frey, H. and Hasegawa, H. and Lavraud, B. and Panov, E. V. and Shen, C. and Shi, J.-K. and Taylor, M. G. G. T. and Wang, J. and Wild, James and Zhang, Q.-H. and Amm, O. and Weygand, J. M. (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. Annales Geophysicae, 29 (9). pp. 1549-1569. ISSN 0992-7689

Amm, O. and Grocott, A. and Lester, M. and Yeoman, T. K. (2010) Local determination of ionospheric plasma convection from coherent scatter radar data using the SECS technique. Journal of Geophysical Research, 115 (A3): A03304. ISSN 0148-0227

Vanhamaki, H. and Kauristie, K. and Amm, O. and Senior, A. and Lummerzheim, D. and Milan, S. (2009) Electrodynamics of an omega-band as deduced from optical and magnetometer data. Annales Geophysicae, 27 (9). pp. 3367-3385. ISSN 0992-7689

Hubert, B. and Kauristie, K. and Amm, O. and Milan, S. E. and Grocott, A. and Cowley, S. W. H. and Pulkkinen, T. I. (2007) Auroral streamers and magnetic flux closure. Geophysical Research Letters, 34 (15): L15105. ISSN 0094-8276

Grocott, A. and Yeoman, T. K. and Milan, S. E. and Amm, O. and Frey, H. U. and Juusola, L. and Nakamura, R. and Owen, C. J. and Rème, H. and Takada, T. (2007) Multi-scale observations of magnetotail flux transport during IMF-northward non-substorm intervals. Annales Geophysicae, 25 (7). pp. 1709-1720. ISSN 0992-7689

Keiling, A. and Fujimoto, M. and Hasegawa, H. and Honary, F. and Sergeev, V. and Semenov, V. S. and Frey, H. U. and Amm, O. and Rème, H. and Dandouras, I. and Lucek, E. (2006) Association of Pi2 pulsations and pulsed reconnection: Ground and Cluster observations in the tail lobe at 16 RE. Annales Geophysicae, 24 (12). pp. 3433-3449. ISSN 0992-7689

Aikio, A.T. and Pitkänen, T. and Kozlovsky, A. and Amm, O. (2006) Method to locate the polar cap boundary in the nightside ionosphere and application to a substorm event. Annales Geophysicae, 24 (7). pp. 1905-1917. ISSN 0992-7689

Sergeev, V.A. and Kubyshkina, M.V. and Baumjohann, W. and Nakamura, R. and Amm, O. and Pulkkinen, T. and Angelopoulos, V. and Mende, S.B. and Klecker, B. and Nagai, T. and Sauvaud, J.-A. and Slavin, J.A. and Thomsen, M.F. (2005) Transition from substorm growth to substorm expansion phase as observed with a radial configuration of ISTP and Cluster spacecraft. Annales Geophysicae, 23 (6). pp. 2183-2198. ISSN 0992-7689

Amm, O. and Donovan, E. F. and Frey, H. U. and Lester, M. and Nakamura, R. and Wild, J. A. and Aikio, A. and Dunlop, M. and Kauristie, K. and Marchaudon, A. and McCrea, I. W. and Opgenoorth, H. J. and Strömme, A. (2005) Coordinated studies of the geospace environment using cluster, satellite and ground-based data: An interim review. Annales Geophysicae, 23 (6). 2129 - 2170. ISSN 0992-7689

Nakamura, R. and Amm, O. and Laakso, H. and Draper, N. C. and Lester, M. and Grocott, A. and Klecker, B. and Mccrea, I. W. and Balogh, A. and Rème, H. and André, M. (2005) Localized fast flow disturbance observed in the plasma sheet and in the ionosphere. Annales Geophysicae, 23 (2). pp. 553-566. ISSN 0992-7689

Amm, O. and Aksnes, A. and Stadsnes, J. and Østgaard, N. and Vondrak, R.R. and Germany, G.A. and Lu, G. and Viljanen, A. (2005) Mesoscale ionospheric electrodynamics of omega bands determined from ground-based electromagnetic and satellite optical observations. Annales Geophysicae, 23 (2). pp. 325-342. ISSN 0992-7689

Partamies, N. and Amm, O. and Kauristie, K. and Pulkkinen, T.I. and Tanskanen, E. (2003) A pseudo-breakup observation: Localized current wedge across the postmidnight auroral oval. Journal of Geophysical Research, 108 (A1). 4/1-4/10. ISSN 0148-0227

Mann, I. R. and Voronkov, I. and Dunlop, M. and Donovan, E. and Yeoman, T. K. and Milling, D. K. and Wild, J. and Kauristie, K. and Amm, O. and Bale, S. D. and Balogh, A. and Viljanen, A. and Opgenoorth, H. J. (2002) Coordinated ground-based and Cluster observations of large amplitude global magnetospheric oscillations during a fast solar wind speed interval. Annales Geophysicae, 20 (4). pp. 405-426. ISSN 0992-7689

Opgenoorth, H. J. and Lockwood, M. and Alcaydé, D. and Donovan, E. and Engebretson, M. J. and van Eyken, A. P. and Kauristie, K. and Lester, M. and Moen, J. and Watermann, J. and Alleyne, H. and André, M. and Dunlop, M. W. and Cornilleau-Wehrlin, N. and Masson, A. and Fazerkerley, A. and Rème, H. and André, R. and Amm, O. and Balogh, A. and Behlke, R. and Blelly, P. L. and Boholm, H. and Borälv, E. and Bosqued, J. M. and Buchert, S. and Candidi, M. and Cerisier, J. C. and Cully, C. and Denig, W. F. and Eglitis, P. and Greenwald, R. A. and Jackal, B. and Kelly, J. D. and Krauklis, I. and Lu, G. and Mann, I. R. and Marcucci, M. F. and McCrea, I. W. and Maksimovic, M. and Massetti, S. and Décréau, P. M. E. and Milling, D. K. and Orsini, S. and Pitout, F. and Provan, G. and Ruohoniemi, J. M. and Samson, J. C. and Schott, J. J. and Sedgemore-Schulthess, F. and Stamper, R. and Stauning, P. and Strömme, A. and Taylor, M. and Vaivads, A. and Villain, J. P. and Voronkov, I. and Wild, J. A. and Wild, M. (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. Annales Geophysicae, 19 (10-12). pp. 1367-1398. ISSN 0992-7689

Lockwood, M. and Opgenoorth, H. J. and van Eyken, A. P. and Fazakerley, A. N. and Bosqued, J. M. and Denig, W. F. and Wild, J. A. and Cully, C. and Greenwald, R. A. and Lu, G. and Amm, O. and Strömme, A. and Prikryl, P. and Hapgood, M. A. and Wild, M. N. and Stamper, R. and Taylor, M. G. G. T. and McCrea, I. W. and Kauristie, K. and Pulkkinen, T. I. and Pitout, F. and Balogh, A. and Dunlop, M. W. and Rème, H. and Behlke, R. and Hansen, T. L. and Provan, G. and Eglitis, P. and Morley, S. K. and Alcaydé, D. and Blelly, P.-L. and Moen, J. and Donovan, E. F. and Engebretson, M. J. and Lester, M. and Watermann, J. F. and Marcucci, M. F. (2001) Coordinated Cluster, ground-based instrumentation and low-altitude satellite observations of transient poleward-moving events in the ionosphere and in the tail lobe. Annales Geophysicae, 19 (10). pp. 1589-1612. ISSN 0992-7689

Lockwood, M. and Fazakerley, A. N. and Opgenoorth, H. J. and Moen, J. and van Eyken, A. P. and Dunlop, M. W. and Bosqued, J. M. and Lu, G. and Cully, C. and Eglitis, P. and McCrea, I. W. and Hapgood, M. A. and Wild, M. N. and Stamper, R. and Denig, W. F. and Taylor, M. G. G. T. and Wild, J. A. and Provan, G. and Amm, O. and Kauristie, K. and Pulkkinen, T. I. and Strömme, A. and Prikryl, P. and Pitout, F. and Balogh, A. and Rème, H. and Behlke, R. and Hansen, T. L. and Greenwald, R. A. and Frey, H. U. and Morley, S. K. and Alcaydé, D. and Blelly, P.-L. and Donovan, E. F. and Engebretson, M. J. and Lester, M. and Watermann, J. F. and Marcucci, M. F. (2001) Coordinated cluster and ground-based instrument observation of transient changes in the magnetopause boundary layer during an interval of predominantly northward IMF: Relation to reconnection pulses and FTE signatures. Annales Geophysicae, 19 (10). pp. 1613-1640. ISSN 0992-7689

Kosch, M. J. and Scourfield, M. W. J. and Amm, O. (2001) The importance of conductivity gradients in ground-based field-aligned current studies. Advances in Space Research, 27 (6-7). pp. 1277-1282. ISSN 0273-1177

Kosch, Mike J. and Amm, O. and Scourfield, M.W.J. (2000) A plasma vortex revisited: The importance of including ionospheric conductivity measurements. Journal of Geophysical Research, 105 (A11). pp. 24889-24898. ISSN 0148-0227