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Univ. of Bergen : Dept. of Physics and Technology : Birkeland Centre for Space Science
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Address: |
Kjellmar Oksavik
Birkeland Centre for Space Science
Department of Physics and Technology
University of Bergen
P.B. 7803
NO-5020 Bergen
NORWAY
Mobile: (+47) 920 86 971
Office: (+47) 555 88 338
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E-mail: |
kjellmar.oksavik@uib.no
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- K. Oksavik (2020), The University of Bergen Global Navigation Satellite System Data Collection,
DataverseNO, https://doi.org/10.18710/AJ4S-X394.
* This data collection currently contains 57 sub data sets.
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* My current/former Master/PhD students are underlined.
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Accepted |
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2021 |
- 104) C. Moser, J. LaBelle, S. Hatch, J. I. Moen, A. Spicher, T. Takahashi, C.A. Kletzing, S. Bounds, K. Oksavik, F. Sigernes, and T. K. Yeoman (2021),
- The cusp as a VLF saucer source: First rocket observations of long-duration VLF saucers on the dayside,
- Geophysical Research Letters, 47, doi:10.1029/2020GL090747.
- 103) L. M. Bjoland, Y. Ogawa, U. P. Løvhaug, D. A. Lorentzen, S. M. Hatch, and K. Oksavik (2021),
- Electron density depletion region observed in the polar cap ionosphere,
- Journal of Geophysical Research Space Physics, 125, doi:10.1029/2020JA028432.
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2020 |
- 102) S. M. Hatch, S. Haaland, K. M. Laundal, T. Moretto, A. W. Yau, L. Bjoland, J. P. Reistad, A. Ohma, and K. Oksavik (2020),
- Seasonal and hemispheric asymmetries of F-region polar cap plasma density: Swarm and CHAMP observations,
- Journal of Geophysical Research Space Physics, 125, doi:10.1029/2020JA028084.
- 101) K. Herlingshaw, L. J. Baddeley, K. Oksavik, and D. A. Lorentzen (2020),
- A statistical study of polar cap flow channels and their IMF By dependence,
- Journal of Geophysical Research Space Physics, 125, doi:10.1029/2020JA028359.
- 100) Y.-Z. Ma, Q.-H. Zhang, P. T. Jayachandran, K. Oksavik, L. R. Lyons, Z.-Y. Xing, S.-Y. Zhou, M. Hairston, and Y. Wang (2020),
- Statistical study of the relationship between ion upflow and field-aligned current in the topside ionosphere for both hemispheres during geomagnetic disturbed and quiet times,
- Journal of Geophysical Research Space Physics, 125, doi:10.1029/2019JA027538.
- 99) Q.-H. Zhang, Y.-L. Zhang, C. Wang, M. Lockwood, H.-G. Yang, B.-B. Tang, Z.-Y. Xing, K. Oksavik, L. R. Lyons, Y.-Z. Ma, Q.-G. Zong, J. I. Moen, and L.-D. Xia (2020),
- Multiple transpolar auroral arcs reveal insight about coupling processes in the Earth's magnetotail,
- Proc. Natl. Acad. Sci. U.S.A., 202000614; doi:10.1073/pnas.2000614117.
- 98) A. Fæhn Follestad, K. Herlingshaw, H. Ghadjari, D. J. Knudsen, K. A. McWilliams, J. I. Moen, A. Spicher, J. Wu, and K. Oksavik (2020),
- Dayside field aligned current impacts on ionospheric irregularities,
- Geophysical Research Letters, 47, doi:10.1029/2019GL086722.
- 97) A. Spicher, K. Deshpande, Y. Jin, K. Oksavik, M. D. Zettergren, L. B. N. Clausen, J. I. Moen, M. R. Hairston, and L. J. Baddeley (2020),
- On the production of ionospheric irregularities via Kelvin-Helmholtz instability associated with cusp flow channels,
- Journal of Geophysical Research Space Physics, 125, doi:10.1029/2019JA027734.
- 96) L. A. Jenner, A. G. Wood, G. D. Dorrian, K. Oksavik, T. K. Yeoman, A. R. Fogg, and A. J. Coster (2020),
- Plasma density gradients at the edge of polar ionospheric holes: the absence of phase scintillation,
- Annales Geophysicae, 38, 575-590, doi:10.5194/angeo-38-575-2020.
- 95) M. R. Lessard, B. Fritz, B. Sadler, I. Cohen, D. Kenward, N. Godbole, J. H. Clemmons, J. H. Hecht, K. A. Lynch, M. Harrington, T. M. Roberts, D. Hysell, G. Crowely, F. Sigernes, M. Syrjäsuo, P. Ellingson, N. Partamies, J. Moen, L. Clausen, K. Oksavik, and T. Yeoman (2020),
- Overview of the Rocket Experiment for Neutral Upwelling Sounding Rocket 2 (RENU2),
- Geophysical Research Letters, 47, doi:10.1029/2018GL081885.
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2019 |
- 94) K. Herlingshaw, L. J. Baddeley, K. Oksavik, D. A. Lorentzen, and E. C. Bland (2019),
- A study of automatically detected flow channels in the polar cap ionosphere,
- Journal of Geophysical Research Space Physics, 124, 9430-9447, doi:10.1029/2019JA026916.
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- 93) Y. Jin, J. I. Moen, A. Spicher, K. Oksavik, W. J. Miloch, L. B. N. Clausen, M. Pozoga, and Y. Saito (2019),
- Simultaneous Rocket and Scintillation Observations of Plasma Irregularities associated with a Reversed Flow Event in the Cusp Ionosphere,
- Journal of Geophysical Research Space Physics, 124, 7098-7111, doi:10.1029/2019JA026942.
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- 92) D.-S. Han, T. Xu, Y. Jin, K. Oksavik, X.-C. Chen, J.-J. Liu, Q.-H. Zhang, L. Baddeley, and K. Herlingshaw (2019),
- Observational evidence for throat aurora being associated with magnetopause reconnection,
- Geophysical Research Letters, 46, 7113-7120, doi:10.1029/2019GL083593.
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- 91) J. P. Reistad, K. M. Laundal, N. Østgaard, A. Ohma, S. Haaland, K. Oksavik, and S. E. Milan (2019),
- Separation and quantification of ionospheric convection sources: 1. A new technique,
- Journal of Geophysical Research Space Physics, 124, 6343-6357, doi:10.1029/2019JA026634.
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- 90) J. P. Reistad, K. M. Laundal, N. Østgaard, A. Ohma, E. G. Thomas, S. Haaland, K. Oksavik, and S. E. Milan (2019),
- Separation and quantification of ionospheric convection sources: 2. The dipole tilt angle influence on reverse convection cells during northward IMF,
- Journal of Geophysical Research Space Physics, 124, 6182-6194, doi:10.1029/2019JA026641.
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2018 |
- 89) B. S. R. Kunduri, J. B. H. Baker, J. M. Ruohoniemi, S. Sazykin, K. Oksavik, M. Maimaiti, P. J. Chi, and M. J. Engebretson (2018),
- Recent developments on inner magnetosphere-ionosphere convection,
- Journal of Geophysical Research Space Physics, 123, 7276-7282, doi:10.1029/2018JA025914.
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- 88) Z. Katamzi-Joseph, A. L. Aruliah, K. Oksavik, J. B. Habarulema, K. Kauristie, and M. J. Kosch (2018),
- Multi-instrument observations of large-sale atmospheric gravity waves/traveling ionospheric disturbances associated with enhanced auroral activity over Svalbard,
- Advances in Space Research, 63, 270-281, doi:10.1016/j.asr.2018.08.042.
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- 87) Y. Jin, and K. Oksavik (2018),
- GPS scintillations and losses of signal lock at high latitudes during the 2015 St. Patrick's Day storm,
- Journal of Geophysical Research Space Physics, 123, 7943-7957, doi:10.1029/2018JA025933.
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- 86) B. S. R. Kunduri, J. B. H. Baker, J. M. Ruohoniemi, N. Nishitani, K. Oksavik, P. J. Erickson, A. J. Coster, S. G. Shepherd, W. A. Bristow, and E. S. Miller (2018),
- A new empirical model of the sub-auroral polarization stream,
- Journal of Geophysical Research Space Physics, 123, 7342-7357, doi:10.1029/2018JA025690.
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- 85) Y.-Z. Ma, Q.-H. Zhang, Z.-Y. Xing, R. A. Heelis, K. Oksavik, and Y. Wang (2018),
- The ion/electron temperature characteristics of polar cap classical and hot patches and their influence on ion upflow,
- Geophysical Research Letters, 45, 8072-8080, doi:10.1029/2018GL079099.
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- 84) N. K. Kwagala, K. Oksavik, D. A. Lorentzen, M. G. Johnsen, and K. M. Laundal (2018),
- Seasonal and Solar Cycle Variations of Thermally Excited 630.0 nm Emissions in the Polar Ionosphere,
- Journal of Geophysical Research Space Physics, 123, 7029-7039, doi:10.1029/2018JA025477.
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- 83) J. P. Reistad, N. Østgaard, K. M. Laundal, A. Ohma, K. Snekvik, P. Tenfjord, A. Grocott, K. Oksavik, S. E. Milan, and S. Haaland (2018),
- Observations of Asymmetries in Ionospheric Return Flow During Different Levels of Geomagnetic Activity,
- Journal of Geophysical Research Space Physics, 123, 4638-4651, doi:10.1029/2017JA025051.
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- 82) N. K. Kwagala, K. Oksavik, D. A. Lorentzen, and M. G. Johnsen (2018),
- How often do thermally excited 630.0 nm emissions occur in the polar ionosphere?,
- Journal of Geophysical Research Space Physics, 123, 698-710, doi:10.1002/2017JA024744.
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2017 |
- 81) I. Mann, K. Kauristi, R. Bamford, I. McCrea, J. Moen, K. Oksavik, M. Yamauchi, M. J. Gullikstad, and E. Turunen (2017),
- Challenges and Strategic Research Plans for Earth and Heliosphere: Research Infrastructures, Projects and Initiatives,
- Proceedings of the International Astronomical Union, 13(S335), 219-225. doi:10.1017/S1743921318000571.
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- 80) D. Summers, R. Shi, M. J. Engebretson, K. Oksavik, J. W. Manweiler, and D. G. Mitchell (2017),
- Energetic proton spectra measured by the Van Allen Probes,
- Journal of Geophysical Research Space Physics, 122, 10129-10144, doi:10.1002/2017JA024484.
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- 79) Y. Jin, J. I. Moen, K. Oksavik, A. Spicher, L. B. N. Clausen, and W. J. Miloch (2017),
- GPS scintillations associated with cusp dynamics and polar cap patches,
- Journal of Space Weather and Space Climate, 7, A23, doi:10.1051/swsc/2017022.
- PDF
- 78) L. J. Baddeley, D. A. Lorentzen, N. Partamies, W. Denig, V. A. Pilipenko, K. Oksavik, X. Chen, and Y. Zhang (2017),
- 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, 5591-5605, doi:10.1002/2016JA023427.
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- 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 (2017),
- Simultaneous Observations of Traveling Convection Vortices: Ionosphere-Thermosphere Coupling,
- Journal of Geophysical Research Space Physics, 122, 4943-4959, doi:10.1002/2017JA023904.
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- 76) X.-C. Chen, D.-S. Han, D. A. Lorentzen, K. Oksavik, J. I. Moen, and L. J. Baddeley (2017),
- Dynamic Properties of Throat Aurora Revealed by Simultaneous Ground and Satellite Observations,
- Journal of Geophysical Research Space Physics, 122, 3469-3486, doi:10.1002/2016JA023033.
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- 75) N. K. Kwagala, K. Oksavik, D. A. Lorentzen, and M.G. Johnsen (2017),
- 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, 1234-1245, doi:10.1002/2016JA023366.
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2016 |
- 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 (2016),
- GPS phase scintillation at high latitudes during the geomagnetic storm of 17-18 March 2015,
- Journal of Geophysical Research Space Physics, 121, 10448-10465, doi:10.1002/2016JA023171.
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- 73) C. van der Meeren, K. Oksavik, D. A. Lorentzen, L. J. Paxton, and L. B. N. Clausen (2016),
- Scintillation and irregularities from the nightside part of a sun-aligned polar cap arc,
- Journal of Geophysical Research Space Physics, 121, 5723-5736, doi:10.1002/2016JA022708.
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- 72) X.-C. Chen, D. A. Lorentzen, J. I. Moen, K. Oksavik, L. J. Baddeley, and M. Lester (2016),
- F-region ionosphere effects on the mapping accuracy of SuperDARN HF radar echoes,
- Radio Science, 51, 490-506, doi:10.1002/2016RS005957.
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- 71) Y. Jin, J. I. Moen, W. J. Miloch, L. B. N. Clausen, and K. Oksavik (2016),
- Statistical study of the GNSS phase scintillation associated with two types of auroral blobs,
- Journal of Geophysical Research Space Physics, 121, 4679-4697, doi:10.1002/2016JA022613.
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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 (2016),
- Dynamic effects of restoring footpoint symmetry on closed magnetic field-lines,
- Journal of Geophysical Research Space Physics, 121, 3963-3977, doi:10.1002/2015JA022058.
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2015 |
- 69) C. van der Meeren, K. Oksavik, D. A. Lorentzen, M. T. Rietveld, and L. B. N. Clausen (2015),
- 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, 10607-10621, doi:10.1002/2015JA021819.
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- 68) M. I. Sandanger, L.-K. Glesnes Ødegaard, H. Nesse Tyssøy, J. Stadsnes, F. Søraas, K. Oksavik, and K. Aarsnes (2015),
- In flight calibration of NOAA POES proton detectors - derivation of the MEPED correction factors,
- Journal of Geophysical Research Space Physics, 120, 9578-9593, doi:10.1002/2015JA021388.
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- 67) I. J. Cohen, M. R. Lessard, R. H. Varney, K. Oksavik, M. Zettergren, and K. A. Lynch (2015),
- Ion Upflow Dependence on Ionospheric Density and Solar Photoionization,
- Journal of Geophysical Research Space Physics, 120, 10039-10052, doi:10.1002/2015JA021523.
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- 66) X.-C. Chen, D. A. Lorentzen, J. I. Moen, K. Oksavik, and L. J. Baddeley (2015),
- 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, 9859-9874, doi:10.1002/2015JA021481.
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- 65) K. Oksavik, C. van der Meeren, D. A. Lorentzen, L. J. Baddeley, and J. Moen (2015),
- Scintillation and loss of lock from poleward moving auroral forms in the cusp ionosphere,
- Journal of Geophysical Research Space Physics, 120, 9161-9175, doi:10.1002/2015JA021528.
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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 (2015),
- The science case for the EISCAT_3D radar,
- Progress in Earth and Planetary Science, 2:21, doi:10.1186/s40645-015-0051-8.
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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 (2015),
- 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, 5465-5488, doi:10.1002/2015JA021227.
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2014 |
- 62) J. P. Reistad, N. Østgaard, K. M. Laundal, S. Haaland, P. Tenfjord, K. Snekvik, K. Oksavik, and S. E. Milan (2014),
- Intensity asymmetries in the dusk sector of the poleward auroral oval due to IMF Bx,
- Journal of Geophysical Research Space Physics, 119, 9497-9507, doi:10.1002/2014JA020216.
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- 61) C. van der Meeren, K. Oksavik, D. Lorentzen, J. I. Moen, V. Romano (2014),
- GPS scintillation and irregularities at the front of an ionization toungue in the nightside polar ionosphere,
- Journal of Geophysical Research Space Physics, 119, 8624-8636, doi:10.1002/2014JA020114.
- PDF (Highlighted on the journal frontpage)
- 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 (2014),
- Day-night coupling by a localized flow channel visualized by polar cap patch propagation,
- Geophysical Research Letters, 41, 3701-3709, doi:10.1002/2014GL060301.
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2013 |
- 59) H. C. Carlson, K. Oksavik, and J. I. Moen (2013),
- 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.
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- 58) J. P. Reistad, N. Østgaard, K. M. Laundal, and K. Oksavik (2013),
- On the non-conjugacy of nightside aurora and their generator mechanisms,
- Journal of Geophysical Research Space Physics, 118, doi:10.1002/jgra.50300.
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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 (2013),
- A comparison of SuperDARN ACF fitting methods,
- Radio Science, 48, doi:10.1002/rds.20031.
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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 (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,
- Journal of Geophysical Research Space Physics, 118, doi:10.1002/jgra.50291.
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- 55) J. Moen, K. Oksavik, L. Alfonsi, Y. Daabakk, V. Romano, and L. Spogli (2013),
- Space weather challenges of the polar cap ionosphere,
- Journal of Space Weather and Space Climate, 3, A02, doi:10.1051/swsc/2013025.
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2012 |
- 54) K. Oksavik, J. Moen, M. Lester, T. A. Bekkeng, and J. K. Bekkeng (2012),
- In-situ measurements of plasma irregularity growth in the cusp ionosphere,
- Journal of Geophysical Research, 117, A11301, doi:10.1029/2012JA017835.
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- 53) M. A. Young, M. Lessard, M. Engebretson, J. R. Woodroffe, and K. Oksavik (2012),
- Spectral enhancements associated with Pi1B events observed at high latitude,
- Journal of Geophysical Research, 117, A09314, doi:10.1029/2012JA017940.
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- 52) R. C. Fear, S. E. Milan, and K. Oksavik (2012),
- 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.
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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 (2012),
- Electron temperature in the cusp as measured with the SCIFER-2 sounding rocket,
- Journal of Geophysical Research, 117, A06326, doi:10.1029/2011JA017404.
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- 50) J. Moen, K. Oksavik, T. Abe, M. Lester, Y. Saito, T. A. Bekkeng, and K. S. Jacobsen (2012),
- First in-situ measurements of HF radar echoing targets,
- Geophysical Research Letters, 39, L07104, doi:10.1029/2012GL051407.
- PDF
- 49) T. D. Borisova, N. F. Blagoveshchenskaya, A. S. Kalishin, K. Oksavik, L. Baddeley, and T. K. Yeoman (2012),
- 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, doi:10.1007/s11141-012-9353-5.
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2011 |
- 48) F. Sigernes, M. Dyrland, P. Brekke, E. K. Gjengedal, S. Chernouss, D. A. Lorentzen, K. Oksavik, and C. S. Deehr (2011),
- Real time auroral oval forecasting - SvalTrackII,
- Optica Pura y Aplicada (OPA), 44, 599-603.
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- 47) F. Sigernes, M. Dyrland, P. Brekke, S. Chernouss, D. A. Lorentzen, K. Oksavik, and C. S. Deehr (2011),
- Two methods to forecast auroral displays,
- Journal of Space Weather and Space Climate, 1, A03, doi:10.1051/swsc/2011003.
- PDF
- 46) K. Oksavik, J. I. Moen, E. H. Rekaa, H. C. Carlson, and M. Lester (2011),
- Reversed flow events in the cusp ionosphere detected by SuperDARN HF radars,
- Journal of Geophysical Research, 116, A12303, doi:10.1029/2011JA016788.
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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 (2011),
- 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.
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2010 |
- 44) D. A. Lorentzen, J. Moen, K. Oksavik, F. Sigernes, Y. Saito, and M. G. Johnsen (2010),
- In situ measurements of a newly created polar cap patch,
- Journal of Geophysical Research, 115, A12323, doi:10.1029/2010JA015710.
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- 43) K. Oksavik, V. L. Barth, J. Moen, and M. Lester (2010),
- On the entry and transit of high-density plasma across the polar cap,
- Journal of Geophysical Research, 115, A12308, doi:10.1029/2010JA015817.
- PDF
- 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 (2010),
- 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.
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2009 |
- 41) Y. Ogawa, I. Häggström, S. C. Buchert, K. Oksavik, S. Nozawa, M. Hirahara, A. P. van Eyken, T. Aso, and R. Fujii (2009),
- 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.
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- 40) M. I. Sandanger, F. Søraas, M. Sørbø, K. Aarsnes, K. Oksavik, and D. S. Evans (2009),
- Relativistic electron losses related to EMIC waves during CIR and CME storms,
- Journal of Atmospheric and Solar-Terrestrial Physics, 71, 1126-1144, doi:10.1016/j.jastp.2008.07.006.
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2008 |
- 39) P. C. Brandt, Y. Zheng, T. S. Sotirelis, K. Oksavik, and F. J. Rich (2008),
- 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.
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- 38) H. C. Carlson, K. Oksavik, and J. Moen (2008),
- On a new process for cusp irregularity production,
- Annales Geophysicae, 26, 2871-2885, doi:10.5194/angeo-26-2871-2008.
- PDF
- 37) J. Moen, Y. Rinne, H. C. Carlson, K. Oksavik, R. Fujii, and H. Opgenoorth (2008),
- 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.
- PDF
- 36) R. A. Greenwald, K. Oksavik, R. Barnes, J. M. Ruohoniemi, J. Baker, and E. R. Talaat (2008),
- First radar measurements of ionospheric electric fields at sub-second temporal resolution,
- Geophysical Research Letters, 35, L03111, doi: 10.1029/2007GL032164.
- PDF
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2007 |
- 35) M. Sandanger, F. Søraas, K. Aarsnes, K. Oksavik, and D. S. Evans (2007),
- 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.
- PDF
- 34) Y. Rinne, J. Moen, K. Oksavik, and H. C. Carlson (2007),
- 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.
- PDF
- 33) J. W. Gjerloev, R. A. Greenwald, C. L. Waters, K. Takahashi, D. Sibeck, K. Oksavik, R. Barnes, J. Baker, and J. M. Ruohoniemi (2007),
- Observations of Pi2 pulsations by the Wallops HF radar in association with substorm expansion,
- Geophysical Research Letters, 34, L20103, doi:10.1029/2007GL030492.
- PDF
- 32) T. Pedersen, E. Mishin, and K. Oksavik (2007),
- Observations of structured optical emissions and particle precipitation equatorward of the traditional auroral oval,
- Journal of Geophysical Research, 112, A10208, doi:10.1029/2007JA012299.
- PDF
- 31) C. Simon, J. Lilensten, J. Moen, J. M. Holmes, Y. Ogawa, K. Oksavik, and W. F. Denig (2007),
- 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, doi:/10.5194/angeo-25-661-2007.
- PDF
- 30) D. A. Lorentzen, P. M. Kintner, J. Moen, F. Sigernes, K. Oksavik, Y. Ogawa, and J. Holmes (2007),
- 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.
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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 (2007),
- Observations of ionospheric convection from the Wallops SuperDARN radar at middle latitudes,
- Journal of Geophysical Research, 112, A01303, doi:10.1029/2006JA011982.
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2006 |
- 28) R. A. Greenwald, K. Oksavik, P. J. Erickson, F. D. Lind, J. M. Ruohoniemi, J. B. H. Baker, and J. W. Gjerloev (2006),
- 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.
- PDF
- 27) J. Moen, H. C. Carlson, K. Oksavik, C. P. Nielsen, S. E. Pryse, H. R. Middleton, I. W. McCrea, and P. Gallop (2006),
- EISCAT observations of plasma patches at sub-auroral cusp latitudes,
- Annales Geophysicae, 24 (9), 2363-2374, doi:10.5194/angeo-24-2363-2006.
- PDF
- 26) S. E. Pryse, R. W. Sims, J. Moen, and K. Oksavik (2006),
- Ionospheric signatures of the low-latitude boundary layer under conditions of northward IMF and small clock angle,
- Annales Geophysicae, 24 (8), 2169-2178, doi:10.5194/angeo-24-2169-2006.
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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 (2006),
- 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.
- PDF
- 24) K. Oksavik, J. M. Ruohoniemi, R. A. Greenwald, J. B. H. Baker, J. Moen, H. C. Carlson, T. K. Yeoman, and M. Lester (2006),
- 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.
- PDF
- 23) 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,
- Geophysical Research Letters, 33, L06108, doi:10.1029/2005GL025240.
- PDF
- 22) H. C. Carlson, J. Moen, K. Oksavik, C. P. Nielsen, I. W. McCrea, T. R. Pedersen, and P. Gallop (2006),
- Direct observations of injection events of subauroral plasma into the polar cap,
- Geophysical Research Letters, 33, L05103, doi:10.1029/2005GL025230.
- PDF (Highlighted by the Editor)
- 21) A. Aksnes, J. Stadsnes, N. Østgaard, G. A. Germany, K. Oksavik, R. R. Vondrak, A. Brekke, and U. P. Løvhaug (2006),
- 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.
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2005 |
- 20) M. Lockwood, J. Moen, A. P. van Eyken, J. A. Davies, K. Oksavik, and I. W. McCrea (2005),
- 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, doi:10.5194/angeo-23-3495-2005.
- PDF
- 19) M. Lockwood, J. A. Davies, J. Moen, A. P. van Eyken, K. Oksavik, I. W. McCrea, and M. Lester (2005),
- 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, doi:10.5194/angeo-23-3513-2005.
- PDF
- 18) K. Oksavik, J. Moen, H. C. Carlson, R. A. Greenwald, S. E. Milan, M. Lester, W. F. Denig, and R. J. Barnes (2005),
- Multi-instrument mapping of the small-scale flow dynamics related to a cusp auroral transient,
- Annales Geophysicae, 23 (7), 2657-2670, doi:10.5194/angeo-23-2657-2005.
- PDF
- 17) M. I. Sandanger, F. Søraas, K. Aarsnes, K. Oksavik, D. S. Evans, and M. S. Greer (2005),
- 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.
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- 16) F. Søraas, K. Aarsnes, D. V. Carlsen, K. Oksavik, and D. S. Evans (2005),
- 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.
- PDF
- 15) N. Østgaard, J. Moen, S. B. Mende, H. U. Frey, T. J. Immel, P. Gallop, K. Oksavik, and M. Fujimoto (2005),
- Estimates of magnetotail reconnection rate based on IMAGE FUV and EISCAT measurements,
- Annales Geophysicae, 23 (1), 123-134, doi:10.5194/angeo-23-123-2005.
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2004 |
- 14) J. Moen, M. Lockwood, K. Oksavik, H. C. Carlson, W. F. Denig, A. P. van Eyken, and I. W. McCrea (2004),
- The dynamics and relationships of precipitation, temperature and convection boundaries in the dayside auroral ionosphere,
- Annales Geophysicae, 22 (6), 1973-1987, doi:10.5194/angeo-22-1973-2004.
- PDF
- 13) J. Moen, K. Oksavik, and H. C. Carlson (2004),
- On the relationship between ion upflow events and cusp auroral transients,
- Geophysical Research Letters, 31, L11808, doi:10.1029/2004GL020129.
- PDF
- 12) K. Oksavik, J. Moen, and H. C. Carlson (2004),
- 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.
- PDF (Highlighted by the Editor)
- 11) H. C. Carlson Jr., K. Oksavik, J. Moen, and T. Pedersen (2004),
- Ionospheric patch formation: Direct measurements of the origin of a polar cap patch,
- Geophysical Research Letters, 31, L08806, doi:10.1029/2003GL018166.
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- 10) K. Oksavik, F. Søraas, J. Moen, R. Pfaff, J. A. Davies, and M. Lester (2004),
- Simultaneous optical, CUTLASS HF radar, and FAST spacecraft observations: Signatures of boundary layer processes in the cusp,
- Annales Geophysicae, 22 (2), 511-525, doi:10.5194/angeo-22-511-2004.
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- 9) F. Søraas, K. Aarsnes, K. Oksavik, M. I. Sandanger, D. S. Evans, and M. S. Greer (2004),
- Evidence for particle injection as the cause of Dst reduction during HILDCAA events,
- Journal of Atmospheric and Solar-Terrestrial Physics, 66, 177-186, doi:10.1016/j.jastp.2003.05.001.
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- 8) Q.-G. Zong, T. A. Fritz, H. Spence, K. Oksavik, Z.-Y. Pu, A. Korth, and P. W. Daly (2004),
- Energetic particle sounding of the magnetopause: A contribution by Cluster/RAPID,
- Journal of Geophysical Research, 109, A04207, doi:10.1029/2003JA009929.
- PDF
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2003 |
- 7) S. E. Milan, M. Lester, S. W. H. Cowley, K. Oksavik, M. Brittnacher, R. A. Greenwald, G. Sofko, and J.-P. Villain (2003),
- Variation in polar cap area during two substorm cycles,
- Annales Geophysicae, 21 (5), 1121-1140, doi:10.5194/angeo-21-1121-2003.
- PDF
- 6) F. Søraas, K. Oksavik, K. Aarsnes, D. S. Evans, and M. S. Greer (2003),
- Storm time equatorial belt - an "image" of RC behavior,
- Geophysical Research Letters, 30 (2), 1052, doi:10.1029/2002GL015636.
- PDF
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2002 |
- 5) H. C. Carlson, K. Oksavik, J. Moen, A. P. van Eyken, and P. Guio (2002),
- ESR mapping of polar-cap patches in the dark cusp,
- Geophysical Research Letters, 29 (10), 1386, doi:10.1029/2001GL014087.
- PDF
- 4) K. Oksavik, T. A. Fritz, Q.-G. Zong, F. Søraas, and B. Wilken (2002),
- Three-dimensional energetic ion sounding of the magnetopause using Cluster/RAPID,
- Geophysical Research Letters, 29 (9), 1347, doi:10.1029/2001GL014265.
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- 3) F. Søraas, K. Aarsnes, K. Oksavik, and D. S. Evans (2002),
- Ring current intensity estimated from low-altitude proton observations,
- Journal of Geophysical Research, 107 (A7), 1149, doi:10.1029/2001JA000123.
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2001 |
- 2) J. Moen, J. A. Holtet, A. Pedersen, B. Lybekk, K. Svenes, K. Oksavik, W. F. Denig, E. Lucek, F. Søraas, and M. André (2001),
- Cluster boundary layer measurements and optical observations at magnetically conjugate sites,
- Annales Geophysicae, 19 (10-12), 1655-1668, doi:10.5194/angeo-19-1655-2001.
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2000 |
- 1) K. Oksavik, F. Søraas, J. Moen, and W. J. Burke (2000),
- Optical and particle signatures of magnetospheric boundary layers near magnetic noon: Satellite and ground-based observations,
- Journal of Geophysical Research, 105 (A12), 27555-27568, doi:10.1029/1999JA000237.
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Doctor and Master Thesis |
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- 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)
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Last updated: Kjellmar Oksavik
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