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Kjellmar Oksavik

Kjellmar Oksavik

D-Index & Metrics

Earth Science

D-Index
41
Citations
4629
World Ranking
5672
National Ranking
70

Overview

Kjellmar Oksavik is affiliated with the University of Bergen in Norway. Their research primarily focuses on the dynamics of the ionosphere and magnetosphere, contributing to the broader field of Physics and Astronomy, particularly within Astronomy and Astrophysics.

The main topics covered in their research include:

  • Ionosphere and magnetosphere dynamics
  • Solar and Space Plasma Dynamics
  • Geomagnetism and Paleomagnetism Studies
  • GNSS positioning and interference
  • Earthquake Detection and Analysis
  • Astro and Planetary Science
  • Geophysics and Gravity Measurements

Oksavik has contributed to various scientific publications, with frequent appearances in the following venues:

  • Journal of Geophysical Research Space Physics
  • Geophysical Research Letters
  • Zenodo (CERN European Organization for Nuclear Research)
  • Space Weather
  • Space Science Reviews

Some of the recent papers involving Kjellmar Oksavik include:

  • Dayside Transient Phenomena and Their Impact on the Magnetosphere and Ionosphere, 2022, Space Science Reviews
  • A space hurricane over the Earth's polar ionosphere, 2021, Nature Communications
  • Multiple transpolar auroral arcs reveal insight about coupling processes in the Earth's magnetotail, 2020, Proceedings of the National Academy of Sciences
  • The Soft X-ray Imager (SXI) on the SMILE Mission, 2023, Earth and Planetary Physics
  • On the Production of Ionospheric Irregularities Via Kelvin-Helmholtz Instability Associated with Cusp Flow Channels, 2020, Journal of Geophysical Research Space Physics

The scientist frequently collaborates with co-authors that include:

  • Qinghe Zhang
  • Zan-Yang Xing
  • Yu-Zhang Ma
  • L. R. Lyons
  • Yong Wang

Best Publications

  • Variations in the polar cap area during two substorm cycles

    Steve E. Milan;M. Lester;S. W. H. Cowley;K. Oksavik

  • Van Allen probes, NOAA, GOES, and ground observations of an intense EMIC wave event extending over 12 h in magnetic local time

    M. J. Engebretson;J. L. Posch;J. R. Wygant;C. A. Kletzing

  • Space weather challenges of the polar cap ionosphere

    Jøran Moen;Kjellmar Oksavik;Lucilla Alfonsi;Yvonne Daabakk

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

    K. Oksavik;V. L. Barth;J. Moen;M. Lester

  • The science case for the EISCAT_3D radar

    Ian W. McCrea;Anita Aikio;Lucilla Alfonsi;Evgenia Belova

  • First in‐situ measurements of HF radar echoing targets

    J. Moen;J. Moen;K. Oksavik;K. Oksavik;T. Abe;Mark Lester

  • Loss of relativistic electrons: Evidence for pitch angle scattering by electromagnetic ion cyclotron waves excited by unstable ring current protons

    M. Sandanger;F. Søraas;K. Aarsnes;K. Oksavik

  • In situ measurements of plasma irregularity growth in the cusp ionosphere

    K. Oksavik;J. Moen;J. Moen;M. Lester;T. A. Bekkeng

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

    Kjellmar Oksavik;Kjellmar Oksavik;Christer van der Meeren;Dag Arne Lorentzen;Dag Arne Lorentzen;Lisa Baddeley;Lisa Baddeley

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

    Kjellmar Oksavik;R. A. Greenwald;J. M. Ruohoniemi;M. R. Hairston

  • Two methods to forecast auroral displays

    Fred Sigernes;Margit Dyrland;Pål Brekke;Sergey Chernouss

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

    K. Oksavik;J. M. Ruohoniemi;R. A. Greenwald;J. B. H. Baker

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

    Herbert C. Carlson;Kjellmar Oksavik;Joran Moen;Todd Pedersen

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

    K. Oksavik;J. Moen;H. C. Carlson

  • In situ measurement of a newly created polar cap patch

    D. A. Lorentzen;J. Moen;J. Moen;K. Oksavik;F. Sigernes

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

    H. C. Carlson;J. Moen;J. Moen;K. Oksavik;C. P. Nielsen

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

    J. B. H. Baker;R. A. Greenwald;J. M. Ruohoniemi;K. Oksavik

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

    Y. Nishimura;L. R. Lyons;Y. Zou;K. Oksavik;K. Oksavik

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

    Christer van der Meeren;Kjellmar Oksavik;Kjellmar Oksavik;Dag Arne Lorentzen;Dag Arne Lorentzen;Michael T. Rietveld

  • GPS scintillation and irregularities at the front of an ionization tongue in the nightside polar ionosphere

    Christer van der Meeren;Kjellmar Oksavik;Kjellmar Oksavik;Dag Arne Lorentzen;Jøran Idar Moen;Jøran Idar Moen

  • Evidence for particle injection as the cause of Dst reduction during HILDCAA events

    F. Søraas;K. Aarsnes;K. Oksavik;M.I. Sandanger

Frequent Co-Authors

Jøran Moen
Jøran Moen University of Oslo
Lasse Boy Novock Clausen
Lasse Boy Novock Clausen University of Oslo
Stein Haaland
Stein Haaland University of Bergen
Nikolai Østgaard
Nikolai Østgaard University of Bergen
J. M. Ruohoniemi
J. M. Ruohoniemi Virginia Tech
Tim K. Yeoman
Tim K. Yeoman University of Leicester
David S. Evans
David S. Evans National Oceanic and Atmospheric Administration
Mark Lester
Mark Lester University of Leicester
Steve E. Milan
Steve E. Milan University of Leicester
Yongliang Zhang
Yongliang Zhang Johns Hopkins University Applied Physics Laboratory

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