Bilde av Johnsen, Magnar Gullikstad
Photo: David Jensen

Magnar Gullikstad Johnsen



  • Ben Reid, David R. Themens, A McCaffrey, P.T. Jayachandran, Magnar Gullikstad Johnsen, Thomas Ulich :
    A-CHAIM: Near-Real-Time Data Assimilation of the High Latitude Ionosphere With a Particle Filter
    Space Weather 2023 ARKIV / DOI
  • Léo Bosse, Jean Lilensten, Nicolas Gillet, Colette Brogniez, Olivier Pujol, Sylvain Rochat et al.:
    Night light polarization: Modeling and observations of light pollution in the presence of aerosols and background skylight or airglow
    Journal of Atmospheric and Solar-Terrestrial Physics 2023 DOI
  • Satonori Nozawa, Norihito Saito, Takuya D. Kawahara, Satoshi Wada, Takuo T. Tsuda, S Maeda et al.:
    A statistical study of convective and dynamic instabilities in the polar upper mesosphere above Tromsø
    Earth Planets and Space 2023 ARKIV / DOI
  • Elisa Robert, Mathieu Barthélemy, Gaël Cessateur, Angélique Woelfflé, Hervé Lamy, Simon Bouriat et al.:
    Reconstruction of electron precipitation spectra at the top of the upper atmosphere using 427.8 nm auroral images
    Journal of Space Weather and Space Climate 2023 ARKIV / DOI
  • Keisuke Hosokawa, S.-I. Oyama, Y. Ogawa, Y. Miyoshi, S. Kurita, M. Teramoto et al.:
    A Ground-Based Instrument Suite for Integrated High-Time Resolution Measurements of Pulsating Aurora With Arase
    Journal of Geophysical Research (JGR): Space Physics 2023 DOI
  • Léo Bosse, Jean Lilensten, Nicolas Gillet, Colette Brogniez, Olivier Pujol, Sylvain Rochat et al.:
    At the source of the polarisation of auroral emissions: experiments and modeling
    Journal of Space Weather and Space Climate 01. Apr 2022 ARKIV / DOI
  • Léo Bosse, Jean Lilensten, Magnar Gullikstad Johnsen, Nicolas Gillet, Sylvain Rochat, Alain Delboulbé et al.:
    The polarisation of auroral emissions: A tracer of the E region ionospheric currents
    Journal of Space Weather and Space Climate 2022 ARKIV / DOI
  • Kyle R. Murphy, I. Jonathan Rae, Alexa J. Halford, Mark Engebretson, Christopher T. Russell, Jürgen Matzka et al.:
    GMAG: An open-source python package for ground-based magnetometers
    Frontiers in Astronomy and Space Sciences 2022 ARKIV / DOI
  • Sota Nanjo, Satonori Nozawa, Masaki Yamamoto, Tetsuya Kawabata, Magnar Gullikstad Johnsen, Takuo T. Tsuda et al.:
    An automated auroral detection system using deep learning: real-time operation in Tromsø, Norway
    Scientific Reports 2022 ARKIV / DOI
  • Devin Ray Huyghebaert, Matthias Clahsen, Jorge L. Chau, Toralf Renkwitz, Ralph Latteck, Magnar Gullikstad Johnsen et al.:
    Multiple E-Region Radar Propagation Modes Measured by the VHF SIMONe Norway System During Active Ionospheric Conditions
    Frontiers in Astronomy and Space Sciences 2022 ARKIV / DOI
  • Chris Hall, Magnar Gullikstad Johnsen :
    On the correction of temperatures derived from meteor wind radars due to geomagnetic activity
    Experimental Results 12. Aug 2021 ARKIV / DOI
  • Toralf Renkwitz, Ralph Latteck, Irina Strelnikova, Magnar Gullikstad Johnsen, Jorge L. Chau :
    Characterization of polar mesospheric VHF radar echoes during solar minimum winter 2019/2020. Part I: Ionisation
    Journal of Atmospheric and Solar-Terrestrial Physics 2021 FULLTEKST
  • Chris Hall, Magnar Gullikstad Johnsen :
    On the relation between ionospheric parameters and sunspot number
    Experimental Results 2020 ARKIV / DOI
  • Chris Hall, Magnar Gullikstad Johnsen :
    Influence of Geomagnetic Activity on Derivation of Temperatures From Meteor Wind Radars
    Radio Science 2020 DOI
  • Masatoshi Yamauchi, Magnar Gullikstad Johnsen, Carl-Fredrik Enell, Anders Tjulin, Anna Willer, Dmitry A. Sormakov :
    High-latitude crochet: Solar-flare-induced magnetic disturbance independent from low-latitude crochet
    Annales Geophysicae 2020 ARKIV / DOI
  • Léo Bosse, Jean Lilensten, Nicolas Gillet, Sylvain Rochat, Alain Delboulbé, Stephane Curaba et al.:
    On the nightglow polarisation for space weather exploration
    Journal of Space Weather and Space Climate 28. Jul 2020 ARKIV / DOI
  • Daniel Nyqvist, Caroline Durif, Magnar Gullikstad Johnsen, Karen de Jong, Tonje Nesse Forland, Lise Doksæter Sivle :
    Electric and magnetic senses in marine animals, and potential behavioral effects of electromagnetic surveys
    Marine Environmental Research 2020 ARKIV / DOI
  • Mathieu Barthélemy, Hervé Lamy, Anne Vialatte, Magnar Gullikstad Johnsen, Gaël Cessateur, Naïma Zaourar :
    Measurement of the polarisation in the auroral N 2 427.8 nm band
    Journal of Space Weather and Space Climate 2019 ARKIV / DOI
  • Inge Edvardsen, E Nyrnes, Magnar Gullikstad Johnsen, Truls Lynne Hansen, I. Aarnes :
    How To Manage Geomagnetic-Field Disturbances in the Northern Auroral Zone To Improve the Accuracy of Magnetic Measurement-While-Drilling Directional Surveys
    SPE Drilling & Completion 2019 DOI
  • Shinici Ohtani, Jesper Gjerløv, Magnar Gullikstad Johnsen, Masatoshi Yamauchi, Urban Brändström, Andrew M. Lewis :
    Solar illumination dependence of the auroral electrojet intensity: Interplay between the solar zenith angle and dipole tilt
    Journal of Geophysical Research (JGR): Space Physics 2019 ARKIV / DOI
  • Chris Hall, Magnar Gullikstad Johnsen :
    Possible influence of variations in the geomagnetic field on migration paths of snow buntings
    International Journal of Astrobiology 2019 ARKIV / DOI
  • Ingrid Mann, Kirsti Kauristie, Ruth Bamford, Ian McCrea, Jøran Idar Moen, Kjellmar Oksavik et al.:
    Challenges and Strategic Research Plans for Earth and Heliosphere: Research Infrastructures, Projects and Initiatives
    Proceedings of the International Astronomical Union 2018 FULLTEKST / ARKIV / DOI
  • M Yamauchi, Timothy Sergiengko, Carl-Fredrik Enell, A. Schillings, R. Slapak, Magnar Gullikstad Johnsen et al.:
    Ionospheric response observed by EISCAT during the September 6‐8, 2017, space weather event: overview
    Space Weather 2018 ARKIV / DOI
  • Norah Kaggwa Kwagala, Kjellmar Oksavik, Dag Arne Lorentzen, Magnar Gullikstad Johnsen, Karl Magnus Laundal :
    Seasonal and solar cycle variations of thermally excited 630.0 nm emissions in the polar ionosphere
    Journal of Geophysical Research (JGR): Space Physics 2018 ARKIV / FULLTEKST / DOI
  • Young-Sook Lee, Young Ha Kim, Kyung-Chan Kim, Young-Sil Kwak, Timothy Sergiengko, Sheila Kirkwood et al.:
    EISCAT Observation of Wave‐Like Fluctuations in Vertical Velocity of Polar Mesospheric Summer Echoes Associated With a Geomagnetic Disturbance
    Journal of Geophysical Research (JGR): Space Physics 2018 ARKIV / DOI
  • Nadezda Yagova, Natalia Nosikova, Lisa Baddeley, Olga Kozyreva, Dag Arne Lorentzen, Vyacheslav Pilipenko et al.:
    Non-triggered auroral substorms and long-period (1–4 mHz) geomagnetic and auroral luminosity pulsations in the polar cap
    Annales Geophysicae 2017 ARKIV / FULLTEKST / DOI
  • Norah Kaggwa Kwagala, Kjellmar Oksavik, Dag Arne Lorentzen, Magnar Gullikstad Johnsen :
    How often do thermally excited 630.0 nm emissions occur in the Polar Ionosphere?
    Journal of Geophysical Research (JGR): Space Physics 2017 ARKIV / FULLTEKST / DOI
  • Inge Edvardsen, Magnar Gullikstad Johnsen, Unni Pia Løvhaug :
    Effects of substorm electrojet on declination along concurrent geomagnetic latitudes in the northern auroral zone
    Journal of Space Weather and Space Climate 2016 ARKIV / DOI
  • Norah Kaggwa Kwagala, Kjellmar Oksavik, Dag Arne Lorentzen, Magnar Gullikstad Johnsen :
    On the contribution of thermal excitation to the total 630.0 nm emissions in the northern cusp ionosphere
    Journal of Geophysical Research (JGR): Space Physics 2016 ARKIV / FULLTEKST / DOI
  • Jean Lilensten, Mathieu Barthélemy, Gérard Besson, Hervé Lamy, Magnar Gullikstad Johnsen, Jøran Idar Moen :
    The thermospheric auroral red line Angle of Linear Polarization
    Journal of Geophysical Research (JGR): Space Physics 2016 DOI
  • Abu Baker E. Ahmed, Rajesh N. Tiwari, Hal J. Strangeways, Satnam Singh Dlay, Magnar Gullikstad Johnsen :
    Wavelet-based analogous phase scintillation index for high latitudes
    Space Weather 2015 ARKIV / DOI
  • Ayumi Hashimoto, Kazuo Shiokawa, Yuichi Otsuka, Shin-Ichiro Oyama, Satonori Nozawa, Tomoaki Hori et al.:
    Statistical study of auroral fragmentation into patches
    Journal of Geophysical Research (JGR): Space Physics 2015 DOI
  • J. Lilensten, V. Bommier, M Barthelemy, Herve Lamy, D Bernard, Jøran Idar Moen et al.:
    The auroral red line polarisation: modelling and measurements
    Journal of Space Weather and Space Climate 2015 ARKIV / DOI
  • Peter Wintoft, Magnus Wik, Ari Viljanen, Magnar Gullikstad Johnsen, Kristian Thinn Solheim, Luciano Rodriguez :
    Real-time challenges for space weather predictions: October-November 2021 solar and geomagnetic events for Scandinavia
    2022
  • Devin Ray Huyghebaert, Ingrid Mann, Lisa Baddeley, Magnar Gullikstad Johnsen, Lasse Clausen, Michael Gausa et al.:
    EISCAT 3D Norway - An Overview
    2022
  • Kristian Thinn Solheim, Olve Mo, Magnar Gullikstad Johnsen :
    Geomagnetically induced currents in a Norwegian transformer station
    2022 ARKIV
  • Kristian Thinn Solheim, Magnar Gullikstad Johnsen :
    Geomagnetic induced currents in long subsea power cables
    2022 ARKIV
  • Per Ivar Emanuelsen, Chris Hall, Magnar Gullikstad Johnsen :
    Simple Minimalistic Offline Plotting of CADI Data Files
  • Daniel Nyqvist, Tonje Nesse Forland, Lise Doksæter Sivle, Caroline Durif, Magnar Gullikstad Johnsen, Karen de Jong :
    Electric and magnetic senses in marine animals , and potential effects of electromagnetic surveys
    2019
  • Norah Kaggwa Kwagala, Kjellmar Oksavik, Dag Arne Lorentzen, Magnar Gullikstad Johnsen, Karl Magnus Laundal :
    Thermally excited 630.0 nm emissions in the polar ionosphere
    2019
  • Kate Maxwell, Unni Pia Løvhaug, Per Pippin Aspaas, Magnar Gullikstad Johnsen, Bente Heimtun, Per helge Nylund :
    Nordlyset hjemme – Nordlysvitenskap og UiT i 100 år
    Nordlyset hjemme – Nordlysvitenskap og UiT i 100 år 2018
  • Inge Edvardsen, Erik Nyrnes, Magnar Gullikstad Johnsen, Truls Lynne Hansen, I. Aarnes :
    How to Manage Geomagnetic Field Disturbances in the Northern AuroralZone to Improve Accuracy of Magnetic MWD Directional Surveys
    2018
  • Norah Kaggwa Kwagala, Kjellmar Oksavik, Dag Arne Lorentzen, Magnar Gullikstad Johnsen :
    Thermally excited 630.0 nm emissions in the polar ionosphere
    Universitetet i Bergen 2018 FULLTEKST / OMTALE
  • Norah Kaggwa Kwagala, Kjellmar Oksavik, Dag Arne Lorentzen, Magnar Gullikstad Johnsen :
    Thermally Excited 630.0 nm Emissions in the Polar Ionosphere
    2017
  • Magnar Gullikstad Johnsen :
    Redaktørens forord
    2017
  • Magnar Gullikstad Johnsen :
    Norsk Geofysisk Forening 100 år - En samling artikler i anledning foreningens 100-årsjubileum i 2017
    2017
  • Magnar Gullikstad Johnsen :
    Historisk overblikk: Norsk Geofysisk Forening gjennom 100 år
    2017
  • Norah Kaggwa Kwagala, Kjellmar Oksavik, Dag Arne Lorentzen, Magnar Gullikstad Johnsen :
    Occurrence and Characteristics of Thermally Excited 630.0 nm Emissions in the Polar Ionosphere
    2016
  • Magnar Gullikstad Johnsen :
    Hva er nordlys?
    2014
  • Magnar Gullikstad Johnsen, Knut Stanley Jacobsen :
    ESA SSA - Service Supporting Resource Exploitation System Operators (RESOSS)
    2014

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