Photo: David Jensen
Magnar Gullikstad Johnsen
Job description
Scietifically responsible for TGO magnetometer network
- Huyghebaert, Devin Ray; Clahsen, Matthias; Chau, Jorge L.; Renkwitz, Toralf; Latteck, Ralph; Johnsen, Magnar Gullikstad; Vierinen, Juha. Multiple E-Region Radar Propagation Modes Measured by the VHF SIMONe Norway System During Active Ionospheric Conditions. Frontiers in Astronomy and Space Sciences 2022.
- Bosse, Léo; Lilensten, Jean; Gillet, Nicolas; Brogniez, Colette; Pujol, Olivier; Rochat, Sylvain; Delboulbé, Alain; Curaba, Stephane; Johnsen, Magnar Gullikstad. At the source of the polarisation of auroral emissions: experiments and modeling. Journal of Space Weather and Space Climate 2022; Volum 12 (7). ISSN 2115-7251.s doi: 10.1051/swsc/2022004.
- Renkwitz, Toralf; Latteck, Ralph; Strelnikova, Irina; Johnsen, Magnar Gullikstad; Chau, Jorge L.. Characterization of polar mesospheric VHF radar echoes during solar minimum winter 2019/2020. Part I: Ionisation. (fulltekst) Journal of Atmospheric and Solar-Terrestrial Physics 2021; Volum 221 (105684). ISSN 1364-6826.
- Hall, Chris; Johnsen, Magnar Gullikstad. On the correction of temperatures derived from meteor wind radars due to geomagnetic activity. Experimental Results 2021; Volum 2 (e26). ISSN 2516-712X.s doi: 10.1017/exp.2021.11.
- Bosse, Léo; Lilensten, Jean; Gillet, Nicolas; Rochat, Sylvain; Delboulbé, Alain; Curaba, Stephane; Roux, Alain; Magnard, Yves; Johnsen, Magnar Gullikstad; Løvhaug, Unni Pia; Amblard, Pierre-Olivier; Le Bihan, Nicolas; Nabon, Maxime; Marif, Hanane; Auriol, Frédérique; Noûs, Camille. On the nightglow polarisation for space weather exploration. Journal of Space Weather and Space Climate 2020; Volum 10. ISSN 2115-7251.s 1 - 19.s doi: 10.1051/swsc/2020036.
- Yamauchi, Masatoshi; Johnsen, Magnar Gullikstad; Enell, Carl-Fredrik; Tjulin, Anders; Willer, Anna; Sormakov, Dmitry A.. High-latitude crochet: Solar-flare-induced magnetic disturbance independent from low-latitude crochet. Annales Geophysicae 2020; Volum 38 (6). ISSN 0992-7689.s 1159 - 1170.s doi: 10.5194/angeo-38-1159-2020.
- Hall, Chris; Johnsen, Magnar Gullikstad. Influence of Geomagnetic Activity on Derivation of Temperatures From Meteor Wind Radars. Radio Science 2020; Volum 55 (11). ISSN 0048-6604.s doi: 10.1029/2020RS007123.
- Hall, Chris; Johnsen, Magnar Gullikstad. On the relation between ionospheric parameters and sunspot number. Experimental Results 2020. ISSN 2516-712X.s doi: 10.1017/exp.2020.19.
- Nyqvist, Daniel; Durif, Caroline; Johnsen, Magnar Gullikstad; de Jong, Karen; Forland, Tonje Nesse; Sivle, Lise Doksæter. Electric and magnetic senses in marine animals, and potential behavioral effects of electromagnetic surveys. Marine Environmental Research 2020; Volum 155. ISSN 0141-1136.s 1 - 11.s doi: 10.1016/j.marenvres.2020.104888.
- Ohtani, Shinici; Gjerløv, Jesper; Johnsen, Magnar Gullikstad; Yamauchi, Masatoshi; Brändström, Urban; Lewis, Andrew M.. 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; Volum 124 (8). ISSN 2169-9380.s 6636 - 6653.s doi: 10.1029/2019JA026707.
- Barthélemy, Mathieu; Lamy, Hervé; Vialatte, Anne; Johnsen, Magnar Gullikstad; Cessateur, Gaël; Zaourar, Naïma. Measurement of the polarisation in the auroral N 2 427.8 nm band. Journal of Space Weather and Space Climate 2019; Volum 9. ISSN 2115-7251.s doi: 10.1051/swsc/2019024.
- Hall, Chris; Johnsen, Magnar Gullikstad. Possible influence of variations in the geomagnetic field on migration paths of snow buntings. International Journal of Astrobiology 2019. ISSN 1473-5504.s doi: 10.1017/S1473550419000193.
- Edvardsen, Inge; Nyrnes, E; Johnsen, Magnar Gullikstad; Hansen, Truls Lynne; Aarnes, I.. 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; Volum 34 (2). ISSN 1064-6671.s 159 - 172.s doi: 10.2118/189668-PA.
- Mann, Ingrid; Kauristie, Kirsti; Bamford, Ruth; McCrea, Ian; Moen, Jøran Idar; Oksavik, Kjellmar; Yamauchi, Masanori; Johnsen, Magnar Gullikstad; Turunen, Esa. Challenges and Strategic Research Plans for Earth and Heliosphere: Research Infrastructures, Projects and Initiatives. (fulltekst) Proceedings of the International Astronomical Union 2018; Volum 13 (S335). ISSN 1743-9213.s 219 - 225.s doi: 10.1017/S1743921318000571.
- Yamauchi, M; Sergiengko, Timothy; Enell, Carl-Fredrik; Schillings, A.; Slapak, R.; Johnsen, Magnar Gullikstad; Tjulin, A.; Nilsson, H.. Ionospheric response observed by EISCAT during the September 6‐8, 2017, space weather event: overview. Space Weather 2018. ISSN 1542-7390.s 1437 - 1450.s doi: 10.1029/2018SW001937.
- Kwagala, Norah Kaggwa; Oksavik, Kjellmar; Lorentzen, Dag Arne; Johnsen, Magnar Gullikstad; Laundal, Karl Magnus. Seasonal and solar cycle variations of thermally excited 630.0 nm emissions in the polar ionosphere. (fulltekst) Journal of Geophysical Research (JGR): Space Physics 2018; Volum 123. ISSN 2169-9380.s 7029 - 7039.s doi: 10.1029/2018JA025477.
- Lee, Young-Sook; Kim, Young Ha; Kim, Kyung-Chan; Kwak, Young-Sil; Sergiengko, Timothy; Kirkwood, Sheila; Johnsen, Magnar Gullikstad. 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; Volum 123 (6). ISSN 2169-9380.s 5182 - 5194.s doi: 10.1029/2018JA025399.
- Kwagala, Norah Kaggwa; Oksavik, Kjellmar; Lorentzen, Dag Arne; Johnsen, Magnar Gullikstad. How often do thermally excited 630.0 nm emissions occur in the Polar Ionosphere?. (fulltekst) Journal of Geophysical Research (JGR): Space Physics 2017; Volum 123 (1). ISSN 2169-9380.s 698 - 710.s doi: 10.1002/2017JA024744.
- Yagova, Nadezda; Nosikova, Natalia; Baddeley, Lisa; Kozyreva, Olga; Lorentzen, Dag Arne; Pilipenko, Vyacheslav; Johnsen, Magnar Gullikstad. Non-triggered auroral substorms and long-period (1–4 mHz) geomagnetic and auroral luminosity pulsations in the polar cap. (fulltekst) Annales Geophysicae 2017; Volum 35 (3). ISSN 0992-7689.s 365 - 376.s doi: 10.5194/angeo-35-365-2017.
- Kwagala, Norah Kaggwa; Oksavik, Kjellmar; Lorentzen, Dag Arne; Johnsen, Magnar Gullikstad. On the contribution of thermal excitation to the total 630.0 nm emissions in the northern cusp ionosphere. (fulltekst) Journal of Geophysical Research (JGR): Space Physics 2016; Volum 122. ISSN 2169-9380.s 1234 - 1245.s doi: 10.1002/2016JA023366.
- Edvardsen, Inge; Johnsen, Magnar Gullikstad; Løvhaug, Unni Pia. Effects of substorm electrojet on declination along concurrent geomagnetic latitudes in the northern auroral zone. Journal of Space Weather and Space Climate 2016; Volum 6:A37. ISSN 2115-7251.s 1 - 16.s doi: 10.1051/swsc/2016031.
- Lilensten, Jean; Barthélemy, Mathieu; Besson, Gérard; Lamy, Hervé; Johnsen, Magnar Gullikstad; Moen, Jøran Idar. The thermospheric auroral red line Angle of Linear Polarization. Journal of Geophysical Research (JGR): Space Physics 2016; Volum 121 (7). ISSN 2169-9380.s doi: 10.1002/2016JA022941.
- Lilensten, J.; Bommier, V.; Barthelemy, M; Lamy, Herve; Bernard, D; Moen, Jøran Idar; Johnsen, Magnar Gullikstad; Løvhaug, Unni Pia; Pitout, Frederic. The auroral red line polarisation: modelling and measurements. Journal of Space Weather and Space Climate 2015; Volum 5 (A26). ISSN 2115-7251.s doi: 10.1051/swsc/2015027.
- Hashimoto, Ayumi; Shiokawa, Kazuo; Otsuka, Yuichi; Oyama, Shin-Ichiro; Nozawa, Satonori; Hori, Tomoaki; Lester, Mark; Johnsen, Magnar Gullikstad. Statistical study of auroral fragmentation into patches. Journal of Geophysical Research (JGR): Space Physics 2015; Volum 120 (8). ISSN 2169-9380.s 6207 - 6217.s doi: 10.1002/2015JA021000.
- Ahmed, Abu Baker E.; Tiwari, Rajesh N.; Strangeways, Hal J.; Dlay, Satnam Singh; Johnsen, Magnar Gullikstad. Wavelet-based analogous phase scintillation index for high latitudes. Space Weather 2015; Volum 13 (8). ISSN 1542-7390.s 503 - 520.s doi: 10.1002/2015SW001183.
- Edvardsen, Inge; Johnsen, Magnar Gullikstad; Hansen, Truls Lynne; Løvhaug, Unni Pia; Matzka, Jürgen. Improving the Accuracy and Reliabilityof MWD/Magnetic-Wellbore-DirectionalSurveying in the Barents Sea. SPE Drilling & Completion 2014. ISSN 1064-6671.s 215 - 225.s doi: 10.2118/166226-MS.
- Xiong, Chao; Lühr, Hermann; Wang, Hui; Johnsen, Magnar Gullikstad. Determining the boundaries of the auroral oval from CHAMP field-aligned current signatures - Part 1. Annales Geophysicae 2014; Volum 32 (6). ISSN 0992-7689.s 609 - 622.s doi: 10.5194/angeo-32-609-2014.
- Holmes, Jeffrey Morgan; Johnsen, Magnar Gullikstad; Deehr, Charles Sterling; Zhou, Xiaoyan; Lorentzen, Dag Arne. Circumpolar ground-based optical measurements of proton and electron shock aurora. Journal of Geophysical Research (JGR): Space Physics 2014; Volum 119. ISSN 2169-9380.s 3895 - 3914.s doi: 10.1002/2013JA019574.
- Edvardsen, Inge; Nyrnes, Erik; Johnsen, Magnar Gullikstad; Hansen, Truls Lynne; Løvhaug, Unni Pia; Matzka, Jürgen. Improving the Accuracy and Reliability of MWD Magnetic Wellbore Directional Surveying in the Barents Sea. Society of Petroleum Engineers 2013 ISBN 978-1-61399-240-1.s doi: 10.2118/166226-MS.
- Posch, Jennifer L.; Engebretson, Mark J.; Witte, Andrew James; Murr, David L.; Lessard, Marc R.; Johnsen, Magnar Gullikstad; Singer, Howard J.; Hartinger, Michael D.. Simultaneous traveling convection vortex events and Pc1 wave bursts at cusp latitudes observed in Arctic Canada and Svalbard. Journal of Geophysical Research (JGR): Space Physics 2013; Volum 118 (10). ISSN 2169-9380.s 6352 - 6363.s doi: 10.1002/jgra.50604.
- Johnsen, Magnar Gullikstad. Real-time determination and monitoring of the auroral electrojet boundaries. (fulltekst) Journal of Space Weather and Space Climate 2013; Volum 3. ISSN 2115-7251.s doi: 10.1051/swsc/2013050.
- Engebretson, Mark J.; Yeoman, Timothy Kenneth; Oksavik, Kjellmar; Søraas, Finn; Sigernes, Fred; Moen, Jøran Idar; Johnsen, Magnar Gullikstad; Pilipenko, Viacheslav A.; Posch, Jennifer L.; Lessard, Marc R.; Lavraud, Benoit; Hartinger, Michael D.; Clausen, Lasse Boy Novock; Raita, Tero; Stolle, Claudia. Multi-instrument observations from Svalbard of a traveling convection vortex, electromagnetic ion cyclotron wave burst, and proton precipitation associated with a bow shock instability. (fulltekst) Journal of Geophysical Research (JGR): Space Physics 2013; Volum 118 (6). ISSN 2169-9380.s 2975 - 2997.s doi: 10.1002/jgra.50291.
- Johnsen, Magnar Gullikstad; Lorentzen, Dag Arne. A statistical analysis of the optical dayside open/closed field line boundary. Journal of Geophysical Research (JGR): Space Physics 2012; Volum 117. ISSN 2169-9380.s doi: 10.1029/2011JA016984.
- Johnsen, Magnar Gullikstad; Lorentzen, Dag Arne. The dayside open/closed field line boundary as seen from space- and ground-based instrumentation. Journal of Geophysical Research (JGR): Space Physics 2012; Volum 117 (A3). ISSN 2169-9380.s doi: 10.1029/2011JA016983.
- Johnsen, Magnar Gullikstad; Lorentzen, Dag Arne; Holmes, Jeffrey Morgan; Løvhaug, Unni Pia. A model based method for obtaining the open/closed field line boundary from the cusp auroral 6300 angstrom[OI] red line. Journal of Geophysical Research (JGR): Space Physics 2012; Volum 117. ISSN 2169-9380.s doi: 10.1029/2011JA016980.
- Dahlgren, Hanna; Semeter, Joshua; Hosokawa, Keisuke; Nicolls, M.J.; Butler, T. W.; Johnsen, Magnar Gullikstad; Shiokawa, K.; Heinselman, C. J.. Direct three-dimensional imaging of polar ionospheric structures with the Resolute Bay Incoherent Scatter Radar. Geophysical Research Letters 2012; Volum 39. ISSN 0094-8276.s doi: 10.1029/2012GL050895.
- Lorentzen, Dag Arne; Moen, Jøran Idar; Oksavik, Kjellmar; Sigernes, Fred; Saito, Y.; Johnsen, Magnar Gullikstad. In situ measurement of a newly created polar cap patch. (data) Journal of Geophysical Research (JGR): Space Physics 2010; Volum 115. ISSN 2169-9380.s doi: 10.1029/2010JA015710.
- Edwards, P. S.; Philbrick, C. R.; Surdal, L. H.; Johnsen, Magnar Gullikstad; Latteck, R.; Baumgarten, G.. The esprit rocket payload launch: Initial comparisons with ground based atmospheric measurements. 2007 ISBN 9789292912116.s 139 - 144.
Research interests
Sun-Earth interactions, ionospheric physics, magnetospheric physics, aurora, polar lights, geomagnetism, Space Weather
Member of research group
CV
SuperMAG Steering Committee member
IMAGE Science Council Chair
National Correspondent for Norway in IAGA
Fagansvarlig for Kosmisk Fysikk i Store Norske Leksikon