Bilde av Johnsen, Magnar Gullikstad
Photo: David Jensen

Magnar Gullikstad Johnsen


Job description

Observatory Leader

Scientist responsible for TGO magnetometer network


  • 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
  • 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
  • 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
  • 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. April 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. August 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. July 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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    Research interests

    Sun-Earth interactions, ionospheric physics, magnetospheric physics, aurora, polar lights, geomagnetism, Space Weather



    CV

    SuperMAG Steering Committee member

    IMAGE Science Council Chair

    National Correspondent for Norway in IAGA

    Fagansvarlig for Kosmisk Fysikk i Store Norske Leksikon