NOAA Publications
Main content
2007
Sandanger, M., F. Søraas, K. Aarsnes, K. Oksavik, and D. S. Evans, Loss of relativistic electrons: Evidence for pitch angle scattering by electromagnetic ion cyclotron waves excited by unstable ring current protons, J. Geophys. Res., doi:10.1029/2006JA012138, 2007
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2006
F. L. Guarnieri, B. T. Tsurutani, W. D. Gonzalez, A. L. C. Gonzalez, M. Grande, F. Soraas, E. Echer, ICME and CIR storms with particular emphases on HILDCAA events.ILWS WORKSHOP 2006, GOA, FEBRUARY 19-20, 2006.
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F. Søraas, M. Sørbø, K. Aarsnes and D. S. Evans, Ring current behavior inferred from ground magnetic and space observations, Geophysical Monograph Volume 167, AGU, Washington DC,
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M. Sørbø, F. Søraas, K. Aarsnes, K. Oksavik and D. S. Evans (2006),Latitude distribution of vertically precipitating energetic neutral atoms observed at low altitudes, Geophys. Res. Lett., 33, L06108, doi:10.1029/2005GL025240
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2005
T. Asikainen, K. Mursula, R. Kerttula, R. Friedel, D. Baker, F. Søraas, J.F. Fennell and B. Blake Global View of energetic Particles During a major Magnetic Storm. The Inner Magnetosphere: Physics and Modeling, edited by Tuija I. Pulkkinen, Nikolai A. Tsyganenko, and Reiner H. W. Friedel, Geophysical Monograpgh 155, AGU, Washington DC, 2005.
M. I. Sandanger, F. Søraas, K. Aarsnes, K. Oksavik, D. S. Evans and M. S. Greer, Proton injections into the ring current associated with Bz variations during HILDCAA events. The Inner Magnetosphere: Physics and Modeling, edited by Tuija I. Pulkkinen, Nikolai A. Tsyganenko, and Reiner H. W. Friedel, Geophysical Monograpgh 155, 249-256, AGU, Washington DC, 2005.
F. Søraas, K. Aarsnes, D. V. Carlsen, K. Oksavik and D. S. Evans, Ring current behavior as revealed by energetic proton precipitation. The Inner Magnetosphere: Physics and Modeling, edited by Tuija I. Pulkkinen, Nikolai A. Tsyganenko, and Reiner H. W. Friedel, Geophysical Monograpgh 155, 237-248, AGU, Washington DC, 2005.
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2004
K. Oksavik, F. Søraas, J. Moen, R. Pfaff, J. A. Davies, and M. Lester, Simultaneous optical, CUTLASS HF radar, and FAST spacecraft observations: Signatures of boundary layer processes in the cusp. Annales Geophysicae, 22 (2), 511-525, 2004.
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F. Søraas, K. Aarsnes, K. Oksavik, M. I. Sandanger, D. S. Evans, and M. S. Greer, Evidence for particle injection as the cause of Dst reduction during HILDCAA events. Journal of Atmospheric and Solar-Terrestrial Physics, 66, 177-186, 2004.
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Q.-G. Zong, T. A. Fritz, H. Spence, K. Oksavik, P. Daly, and A. Korth. Energetic particle sounding of the magnetopause – A contribution by CLUSTER/RAPID, J. Geophys. Res., 109, A04207, doi:10.1029/2003JA009929, 2004.
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2003
F. Søraas, K. Oksavik, K. Aarsnes, D. S. Evans, and M. S. Greer, Storm time equatorial belt - an 'image' of ring current behavior, Geophysical Research Letters, 30(2) 10.1029/2002GL015636, 2003.
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2002
F. Søraas, K. Aarsnes, K. Oksavik, and D. S. Evans, Ring current intensity estimated from low altitude proton observations, Journal of Geophysical Research, 107(A7), doi:10.1029/2001JA000123, 2002.
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2000
Oksavik, K., F. Søraas, J. Moen, and W.J. Burke, Optical and particle signatures of magnetospheric boundary layers near magnetic noon: Satellite and ground-based observations, J. Geophys. Res., 105, 27555, 2000.
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