Kjellmar Oksavik

Journal Publications

81) N. K. Kwagala, K. Oksavik, D. A. Lorentzen, and M. G. Johnsen,

How often do thermally excited 630.0 nm emissions occur in the polar ionosphere?,

Journal of Geophysical Research Space Physics, 122, doi:10.1002/2017JA024744, 2018.

80) D. Summers, R. Shi, M. J. Engebretson, K. Oksavik, J. W. Manweiler, and D. G. Mitchell,

Energetic proton spectra measured by the Van Allen Probes,

Journal of Geophysical Research Space Physics, 122, doi:10.1002/2017JA024484, 2017.

79) Y. Jin, J. I. Moen, K. Oksavik, A. Spicher, L. B. N. Clausen, and W. J. Miloch,

GPS scintillations associated with cusp dynamics and polar cap patches,

Journal of Space Weather and Space Climate, 7, A23, doi:10.1051/swsc/2017022, 2017.

78) L. J. Baddeley, D. A. Lorentzen, N. Partamies, W. Denig, V. A. Pilipenko, K. Oksavik, X. Chen, and Y. Zhang,

Equatorward Propagating Auroral Arcs Driven by ULF Wave Activity: Multipoint Ground and Space Based Observations in the Dusk Sector Auroral Oval,

Journal of Geophysical Research Space Physics, 122, doi:10.1002/2016JA023427, 2017.

77) H. Kim, M. R. Lessard, S. L. Jones, K. A. Lynch, P. A. Fernandes, A. L. Aruliah, M. J. Engebretson, J. I. Moen, K. Oksavik, A. G. Yahnin, and T. K. Yeoman,

Simultaneous Observations of Traveling Convection Vortices: Ionosphere-Thermosphere Coupling,

Journal of Geophysical Research Space Physics, 122, doi:10.1002/2017JA023904, 2017.

76) X.-C. Chen, D.-S. Han, D. A. Lorentzen, K. Oksavik, J. I. Moen, and L. J. Baddeley,

Dynamic Properties of Throat Aurora Revealed by Simultaneous Ground and Satellite Observations,

Journal of Geophysical Research Space Physics, 122, doi:10.1002/2016JA023033, 2017.

75) N. K. Kwagala, K. Oksavik, D. A. Lorentzen, and M.G. Johnsen,

On the contribution of thermal excitation to the total 630.0 nm emissions in the northern cusp ionosphere,

Journal of Geophysical Research Space Physics, 122, doi:10.1002/2016JA023366, 2017.

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74) P. Prikryl, 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,

GPS phase scintillation at high latitudes during the geomagnetic storm of 17-18 March 2015,

Journal of Geophysical Research Space Physics, 121, doi:10.1002/2016JA023171, 2016.

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73) C. van der Meeren, K. Oksavik, D. A. Lorentzen, L. J. Paxton, and L. B. N. Clausen,

Scintillation and irregularities from the nightside part of a sun-aligned polar cap arc,

Journal of Geophysical Research Space Physics, 121, doi:10.1002/2016JA022708, 2016.

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72) X.-C. Chen, D. A. Lorentzen, J. I. Moen, K. Oksavik, L. J. Baddeley, and M. Lester,

F-region ionosphere effects on the mapping accuracy of SuperDARN HF radar echoes,

Radio Science, 51, doi:10.1002/2016RS005957, 2016.

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71) Y. Jin, J. I. Moen, W. J. Miloch, L. B. N. Clausen, and K. Oksavik,

Statistical study of the GNSS phase scintillation associated with two types of auroral blobs,

Journal of Geophysical Research Space Physics, 121, doi:10.1002/2016JA022613, 2016.

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70) J. P. Reistad, N. Østgaard, P. Tenfjord, K. M. Laundal, K. Snekvik, S. Haaland, S. E. Milan, K. Oksavik, H. U. Frey, and A. Grocott,

Dynamic effects of restoring footpoint symmetry on closed magnetic field-lines,

Journal of Geophysical Research Space Physics, 121, doi:10.1002/2015JA022058, 2016.

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69) C. van der Meeren, K. Oksavik, D. A. Lorentzen, M. T. Rietveld, and L. B. N. Clausen,

Severe and localized GNSS scintillation at the poleward edge of the nightside auroral oval during intense substorm aurora,

Journal of Geophysical Research Space Physics, 120, doi:10.1002/2015JA021819, 2015.

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68) M. I. Sandanger, L.-K. Glesnes Ødegaard, H. Nesse Tyssøy, J. Stadsnes, F. Søraas, K. Oksavik, and K. Aarsnes,

In flight calibration of NOAA POES proton detectors - derivation of the MEPED correction factors,

Journal of Geophysical Research Space Physics, 120, doi:10.1002/2015JA021388, 2015.

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67) I. J. Cohen, M. R. Lessard, R. H. Varney, K. Oksavik, M. Zettergren, and K. A. Lynch,

Ion Upflow Dependence on Ionospheric Density and Solar Photoionization,

Journal of Geophysical Research Space Physics, 120, doi:10.1002/2015JA021523, 2015.

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66) X.-C. Chen, D. A. Lorentzen, J. I. Moen, K. Oksavik, and L. J. Baddeley,

Simultaneous ground-based optical and HF radar observations of the ionospheric footprint of the open/closed field line boundary along the geomagnetic meridian,

Journal of Geophysical Research Space Physics, 120, doi:10.1002/2015JA021481, 2015.

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65) K. Oksavik, C. van der Meeren, D. A. Lorentzen, L. J. Baddeley, and J. Moen,

Scintillation and loss of lock from poleward moving auroral forms in the cusp ionosphere,

Journal of Geophysical Research Space Physics, 120, doi:10.1002/2015JA021528, 2015.

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64) I. McCrea, A. Aikio, L. Alfonsi, E. Belova, S. Buchert, M. Clilverd, N. Engler, B. Gustavsson, C. Heinselman, J. Kero, M. Kosch, H. Lamy, T. Leyser, Y. Ogawa, K. Oksavik, A. Pellinen-Wannberg, F. Pitout, M. Rapp, I. Stanislawska, and J. Vierinen,

The science case for the EISCAT_3D radar,

Progress in Earth and Planetary Science, 2:21, doi:10.1186/s40645-015-0051-8, 2015.

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63) M. J. Engebretson, J. L. Posch, J. R. Wygant, C. A. Kletzing, M. R. Lessard, C.-L. Huang, H. E. Spence, C. W. Smith, H. J. Singer, Y. Omura, R. B. Horne, G. D. Reeves, D. N. Baker, M. Gkioulidou, K. Oksavik, I. R. Mann, T. Raita, and K. Shiokawa,

Van Allen probes, NOAA, GOES and ground observations of an intense EMIC wave event extending over 12 hours in MLT,

Journal of Geophysical Research Space Physics, 120, doi:10.1002/2015JA021227, 2015.

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62) J. P. Reistad, N. Østgaard, K. M. Laundal, S. Haaland, P. Tenfjord, K. Snekvik, K. Oksavik, and S. E. Milan,

Intensity asymmetries in the dusk sector of the poleward auroral oval due to IMF Bx,

Journal of Geophysical Research Space Physics, 119, doi:10.1002/2014JA020216, 2014.

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61) C. van der Meeren, K. Oksavik, D. Lorentzen, J. I. Moen, V. Romano,

GPS scintillation and irregularities at the front of an ionization toungue in the nightside polar ionosphere,

Journal of Geophysical Research Space Physics, 119, doi:10.1002/2014JA020114, 2014.

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60) Y. Nishimura, L. R. Lyons, Y. Zou, K. Oksavik, J. I. Moen, L. B. Clausen, E. F. Donovan, V. Angelopoulos, K. Shiokawa, J. M. Ruohoniemi, N. Nishitani, K. A. McWilliams, and M. Lester,

Day-night coupling by a localized flow channel visualized by polar cap patch propagation,

Geophysical Research Letters, 41, 3701-3709, doi:10.1002/2014GL060301, 2014.

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59) H. C. Carlson, K. Oksavik, and J. I. Moen,

Thermally excited 630.0 nm O(¹D) emission in the cusp: A frequent high-altitude transient signature,

Journal of Geophysical Research Space Physics, 118, doi:10.1002/jgra.50516, 2013.

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58) J. P. Reistad, N. Østgaard, K. M. Laundal, and K. Oksavik,

On the non-conjugacy of nightside aurora and their generator mechanisms,

Journal of Geophysical Research Space Physics, 118, doi:10.1002/jgra.50300, 2013.

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57) A. J. Ribeiro, J. M. Ruohoniemi, P. V. Ponomarenko, L. B. N. Clausen, J. B. H. Baker, R. A. Greenwald, K. Oksavik, and S. de Larquier,

A comparison of SuperDARN ACF fitting methods,

Radio Science, 48, doi:10.1002/rds.20031, 2013.

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56) M. J. Engebretson, 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,

Multi-instrument observations from Svalbard of a traveling convection vortex, electromagnetic ion cyclotron wave burst, and proton precipitation associated with a bow shock instability,

Journal of Geophysical Research Space Physics, 118, doi:10.1002/jgra.50291, 2013.

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55) J. Moen, K. Oksavik, L. Alfonsi, Y. Daabakk, V. Romano, and L. Spogli,

Space weather challenges of the polar cap ionosphere,

Journal of Space Weather and Space Climate, 3, A02, doi:10.1051/swsc/2013025, 2013.

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54) K. Oksavik, J. Moen, M. Lester, T. A. Bekkeng, and J. K. Bekkeng,

In-situ measurements of plasma irregularity growth in the cusp ionosphere,

Journal of Geophysical Research, 117, A11301, doi:10.1029/2012JA017835, 2012.

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53) M. A. Young, M. Lessard, M. Engebretson, J. R. Woodroffe, and K. Oksavik,

Spectral enhancements associated with Pi1B events observed at high latitude,

Journal of Geophysical Research, 117, A09314, doi:10.1029/2012JA017940, 2012.

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52) R. C. Fear, S. E. Milan, and K. Oksavik,

Determining the axial direction of high-shear flux transfer events: Implications for models of FTE structure,

Journal of Geophysical Research, 117, A09220, doi:10.1029/2012JA017831, 2012.

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51) E. J. Lund, M. R. Lessard, F. Sigernes, D. A. Lorentzen, K. Oksavik, P. M. Kintner, K. A. Lynch, D. H. Huang, B. C. Zhang, H. G. Yang, and Y. Ogawa,

Electron temperature in the cusp as measured with the SCIFER-2 sounding rocket,

Journal of Geophysical Research, 117, A06326, doi:10.1029/2011JA017404, 2012.

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50) J. Moen, K. Oksavik, T. Abe, M. Lester, Y. Saito, T. A. Bekkeng, and K. S. Jacobsen,

First in-situ measurements of HF radar echoing targets,

Geophysical Research Letters, 39, L07104, doi:10.1029/2012GL051407, 2012.

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49) T. D. Borisova, N. F. Blagoveshchenskaya, A. S. Kalishin, K. Oksavik, L. Baddeley, and T. K. Yeoman,

Effects of modification of the polar ionosphere with high-power short-wave extraordinary-mode HF waves produced by the SPEAR heating facility,

Radiophysics and Quantum Electronics, 55, 126-141, 2012.

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48) F. Sigernes, M. Dyrland, P. Brekke, E. K. Gjengedal, S. Chernouss, D. A. Lorentzen, K. Oksavik, and C. S. Deehr,

Real time auroral oval forecasting - SvalTrackII,

Optica Pura y Aplicada (OPA), 44, 599-603, 2011.

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47) F. Sigernes, M. Dyrland, P. Brekke, S. Chernouss, D. A. Lorentzen, K. Oksavik, and C. S. Deehr,

Two methods to forecast auroral displays,

Journal of Space Weather and Space Climate, 1, A03, doi:10.1051/swsc/2011003, 2011.

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46) K. Oksavik, J. I. Moen, E. H. Rekaa, H. C. Carlson, and M. Lester,

Reversed flow events in the cusp ionosphere detected by SuperDARN HF radars,

Journal of Geophysical Research, 116, A12303, doi:10.1029/2011JA016788, 2011.

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45) N. A. Frissell, J. B. H. Baker, J. M. Ruohoniemi, L. B. N. Clausen, Z. C. Kale, I. J. Rae, L. Kepko, K. Oksavik, R. A. Greenwald, and M. L. West,

First radar observations in the vicinity of the plasmapause of pulsed ionospheric flows generated by bursty bulk flows,

Geophysical Research Letters, 38, L01103, doi:10.1029/2010GL045857, 2011.

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44) D. A. Lorentzen, J. Moen, K. Oksavik, F. Sigernes, Y. Saito, and M. G. Johnsen,

In situ measurements of a newly created polar cap patch,

Journal of Geophysical Research, 115, A12323, doi:10.1029/2010JA015710, 2010.

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43) K. Oksavik, V. L. Barth, J. Moen, and M. Lester,

On the entry and transit of high-density plasma across the polar cap,

Journal of Geophysical Research, 115, A12308, doi:10.1029/2010JA015817, 2010.

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42) J. K. Burchill, D. J. Knudsen, J. H. Clemmons, K. Oksavik, R. F. Pfaff, C. T. Steigies, A. W. Yau, and T. K. Yeoman,

Thermal ion upflow in the cusp ionosphere and its dependence on soft electron energy flux,

Journal of Geophysical Research, 115, A05206, doi:10.1029/2009JA015006, 2010.

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41) Y. Ogawa, I. Häggström, S. C. Buchert, K. Oksavik, S. Nozawa, M. Hirahara, A. P. van Eyken, T. Aso, and R. Fujii,

On the source of the polar wind in the polar topside ionosphere: First results from the EISCAT Svalbard radar,

Geophysical Research Letters, 36, L24103, doi:10.1029/2009GL041501, 2009.

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40) M. I. Sandanger, F. Søraas, M. Sørbø, K. Aarsnes, K. Oksavik, and D. S. Evans,

Relativistic electron losses related to EMIC waves during CIR and CME storms,

Journal of Atmospheric and Solar-Terrestrial Physics, 71, 1126-1144, 2009.

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39) P. C. Brandt, Y. Zheng, T. S. Sotirelis, K. Oksavik, and F. J. Rich,

The linkage between the ring current and the ionosphere system,

In "Midlatitude ionospheric dynamics and disturbances", edited by P. M. Kintner, A. J. Coster, T. Fuller-Rowell, A. J. Mannucci, M. Mendillo, and R. Heelis, Geophysical Monograph Series, Vol 181, ISBN 978-0-87590-446-7, 2008.

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38) H. C. Carlson, K. Oksavik, and J. Moen,

On a new process for cusp irregularity production,

Annales Geophysicae, 26, 2871-2885, 2008.

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37) J. Moen, Y. Rinne, H. C. Carlson, K. Oksavik, R. Fujii, and H. Opgenoorth,

On the relationship between thin Birkeland current arcs and reversed flow channels in the winter cusp/cleft ionosphere,

Journal of Geophysical Research, 113, A09220, doi:10.1029/2008JA013061, 2008.

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36) R. A. Greenwald, K. Oksavik, R. Barnes, J. M. Ruohoniemi, J. Baker, and E. R. Talaat,

First radar measurements of ionospheric electric fields at sub-second temporal resolution,

Geophysical Research Letters, 35, L03111, doi: 10.1029/2007GL032164, 2008.

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35) M. Sandanger, 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,

Journal of Geophysical Research, 112, A12213, doi:10.1029/2006JA012138, 2007.

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34) Y. Rinne, J. Moen, K. Oksavik, and H. C. Carlson,

Reversed flow events in the winter cusp ionosphere observed by the European Incoherent Scatter (EISCAT) Svalbard radar,

Journal of Geophysical Research, 112, A10313, doi:10.1029/2007JA012366, 2007.

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33) J. W. Gjerloev, R. A. Greenwald, C. L. Waters, K. Takahashi, D. Sibeck, K. Oksavik, R. Barnes, J. Baker, and J. M. Ruohoniemi,

Observations of Pi2 pulsations by the Wallops HF radar in association with substorm expansion,

Geophysical Research Letters, 34, L20103, doi:10.1029/2007GL030492, 2007.

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32) T. Pedersen, E. Mishin, and K. Oksavik,

Observations of structured optical emissions and particle precipitation equatorward of the traditional auroral oval,

Journal of Geophysical Research, 112, A10208, doi:10.1029/2007JA012299, 2007.

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31) C. Simon, J. Lilensten, J. Moen, J. M. Holmes, Y. Ogawa, K. Oksavik, and W. F. Denig,

TRANS4: a new coupled electron/proton transport code - comparison to observations above Svalbard using ESR, DMSP and optical measurements,

Annales Geophysicae, 25 (3), 661-673, 2007.

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30) D. A. Lorentzen, P. M. Kintner, J. Moen, F. Sigernes, K. Oksavik, Y. Ogawa, and J. Holmes,

Pulsating dayside aurora in relation to ion upflow events during a northward interplanetary magnetic field (IMF) dominated by a strongly negative IMF By,

Journal of Geophysical Research, 112, A03301, doi:10.1029/2006JA011757, 2007.

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29) J. B. H. Baker, R. A. Greenwald. J. M. Ruohoniemi, K. Oksavik, J. W. Gjerloev, L. J. Paxton, and M. R. Hairston,

Observations of ionospheric convection from the Wallops SuperDARN radar at middle latitudes,

Journal of Geophysical Research, 112, A01303, doi:10.1029/2006JA011982, 2007.

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28) R. A. Greenwald, K. Oksavik, P. J. Erickson, F. D. Lind, J. M. Ruohoniemi, J. B. H. Baker, and J. W. Gjerloev,

Identification of the temperature gradient instability as the source of decameter-scale ionospheric irregularities on plasmapause field lines,

Geophysical Research Letters, 33, L18105, doi:10.1029/2006GL026581, 2006.

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27) J. Moen, H. C. Carlson, K. Oksavik, C. P. Nielsen, S. E. Pryse, H. R. Middleton, I. W. McCrea, and P. Gallop,

EISCAT observations of plasma patches at sub-auroral cusp latitudes,

Annales Geophysicae, 24 (9), 2363-2374, 2006.

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26) S. E. Pryse, R. W. Sims, J. Moen, and K. Oksavik,

Ionospheric signatures of the low-latitude boundary layer under conditions of northward IMF and small clock angle,

Annales Geophysicae, 24 (8), 2169-2178, 2006.

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25) K. Oksavik, R. A. Greenwald, J. M. Ruohoniemi, M. R. Hairston, L. J. Paxton, J. B. H. Baker, J. W. Gjerloev, and R. J. Barnes,

First observations of the temporal/spatial variation of the sub-auroral polarization stream from the SuperDARN Wallops HF radar,

Geophysical Research Letters, 33, L12104, doi:10.1029/2006GL026256, 2006.

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24) K. Oksavik, J. M. Ruohoniemi, R. A. Greenwald, J. B. H. Baker, J. Moen, H. C. Carlson, T. K. Yeoman, and M. Lester,

Observations of isolated polar cap patches by the European Incoherent Scatter (EISCAT) Svalbard and Super Dual Auroral Radar Network (SuperDARN) Finland radars,

Journal of Geophysical Research, 111, A05310, doi:10.1029/2005JA011400, 2006.

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23) M. Sørbø, F. Søraas, K. Aarsnes, K. Oksavik, and D. S. Evans,

Latitude distribution of vertically precipitating energetic neutral atoms observed at low altitudes,

Geophysical Research Letters, 33, L06108, doi:10.1029/2005GL025240, 2006.

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22) H. C. Carlson, J. Moen, K. Oksavik, C. P. Nielsen, I. W. McCrea, T. R. Pedersen, and P. Gallop,

Direct observations of injection events of subauroral plasma into the polar cap,

Geophysical Research Letters, 33, L05103, doi:10.1029/2005GL025230, 2006.

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21) A. Aksnes, J. Stadsnes, N. Østgaard, G. A. Germany, K. Oksavik, R. R. Vondrak, A. Brekke, and U. P. Løvhaug,

Height profiles of the ionospheric electron density derived using space-based remote sensing of UV and X ray emissions and EISCAT radar data: A ground-truth experiment,

Journal of Geophysical Research, 111, A02301, doi:10.1029/2005JA011331, 2006.

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20) M. Lockwood, J. Moen, A. P. van Eyken, J. A. Davies, K. Oksavik, and I. W. McCrea,

Motion of the dayside polar cap boundary during substorm cycles: I. Observations of pulses in the magnetopause reconnection rate,

Annales Geophysicae, 23 (11), 3495-3511, 2005.

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19) M. Lockwood, J. A. Davies, J. Moen, A. P. van Eyken, K. Oksavik, I. W. McCrea, and M. Lester,

Motion of the dayside polar cap boundary during substorm cycles: II. Generation of poleward-moving events and polar cap patches by pulses in the magnetopause reconnection rate,

Annales Geophysicae, 23 (11), 3513-3532, 2005.

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18) K. Oksavik, J. Moen, H. C. Carlson, R. A. Greenwald, S. E. Milan, M. Lester, W. F. Denig, and R. J. Barnes,

Multi-instrument mapping of the small-scale flow dynamics related to a cusp auroral transient,

Annales Geophysicae, 23 (7), 2657-2670, 2005.

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17) 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,

In "The Inner Magnetosphere: Physics and Modeling", edited by T. I. Pulkkinen, N. A. Tsyganenko, and R. H. W. Friedel, Geophysical Monograph Series, Vol 155, ISBN 0-87590-420-3, 2005.

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16) F. Søraas, K. Aarsnes, D. V. Carlsen, K. Oksavik, and D. S. Evans,

Ring current behavior as revealed by energetic proton precipitation,

In "The Inner Magnetosphere: Physics and Modeling", edited by T. I. Pulkkinen, N. A. Tsyganenko, and R. H. W. Friedel, Geophysical Monograph Series, Vol 155, ISBN 0-87590-420-3, 2005.

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15) N. Østgaard, J. Moen, S. B. Mende, H. U. Frey, T. J. Immel, P. Gallop, K. Oksavik, and M. Fujimoto,

Estimates of magnetotail reconnection rate based on IMAGE FUV and EISCAT measurements,

Annales Geophysicae, 23 (1), 123-134, 2005.

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14) J. Moen, M. Lockwood, K. Oksavik, H. C. Carlson, W. F. Denig, A. P. van Eyken, and I. W. McCrea,

The dynamics and relationships of precipitation, temperature and convection boundaries in the dayside auroral ionosphere,

Annales Geophysicae, 22 (6), 1973-1987, 2004.

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13) J. Moen, K. Oksavik, and H. C. Carlson,

On the relationship between ion upflow events and cusp auroral transients,

Geophysical Research Letters, 31, L11808, doi:10.1029/2004GL020129, 2004.

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12) K. Oksavik, J. Moen, and H. C. Carlson,

High-resolution observations of the small-scale flow pattern associated with a poleward moving auroral form in the cusp,

Geophysical Research Letters, 31, L11807, doi:10.1029/2004GL019838, 2004.

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11) H. C. Carlson Jr., K. Oksavik, J. Moen, and T. Pedersen,

Ionospheric patch formation: Direct measurements of the origin of a polar cap patch,

Geophysical Research Letters, 31, L08806, doi:10.1029/2003GL018166, 2004.

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10) 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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9) 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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8) Q.-G. Zong, T. A. Fritz, H. Spence, K. Oksavik, Z.-Y. Pu, A. Korth, and P. W. Daly,

Energetic particle sounding of the magnetopause: A contribution by Cluster/RAPID,

Journal of Geophysical Research, 109, A04207, doi:10.1029/2003JA009929, 2004.

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7) S. E. Milan, M. Lester, S. W. H. Cowley, K. Oksavik, M. Brittnacher, R. A. Greenwald, G. Sofko, and J.-P. Villain,

Variation in polar cap area during two substorm cycles,

Annales Geophysicae, 21 (5), 1121-1140, 2003.

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6) F. Søraas, K. Oksavik, K. Aarsnes, D. S. Evans, and M. S. Greer,

Storm time equatorial belt - an "image" of RC behavior,

Geophysical Research Letters, 30 (2), 1052, doi:10.1029/2002GL015636, 2003.

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5) H. C. Carlson, K. Oksavik, J. Moen, A. P. van Eyken, and P. Guio,

ESR mapping of polar-cap patches in the dark cusp,

Geophysical Research Letters, 29 (10), 1386, doi:10.1029/2001GL014087, 2002.

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4) K. Oksavik, T. A. Fritz, Q.-G. Zong, F. Søraas, and B. Wilken,

Three-dimensional energetic ion sounding of the magnetopause using Cluster/RAPID,

Geophysical Research Letters, 29 (9), 1347, doi:10.1029/2001GL014265, 2002.

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3) 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), 1149, doi:10.1029/2001JA000123, 2002.

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2) J. Moen, J. A. Holtet, A. Pedersen, B. Lybekk, K. Svenes, K. Oksavik, W. F. Denig, E. Lucek, F. Søraas, and M. André,

Cluster boundary layer measurements and optical observations at magnetically conjugate sites.

Annales Geophysicae, 19 (10-12), 1655-1668, 2001.

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1) K. Oksavik, F. Søraas, J. Moen, and W. J. Burke,

Optical and particle signatures of magnetospheric boundary layers near magnetic noon: Satellite and ground-based observations,

Journal of Geophysical Research, 105 (A12), 27555-27568, 2000.

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Doctor and Master Thesis

K. Oksavik,

A study of temporal and spatial variations in the polar cusp/cleft region using multi-instrument techniques,

Doctor Scientiarum Thesis, ISBN 82-497-0127-5, Department of Physics, University of Bergen, 2002.

DoctorThesis.pdf (9.4 MB)

K. Oksavik,

High-Latitude Boundary Phenomena and Magnetospheric Processes During the January 9-12 1997 CME Event: NOAA-12, Wind and Groundbased Observations,

Candidatus Scientiarum Thesis, Department of Physics, University of Bergen, 1998.

MasterThesis.pdf (21.2 MB)