Photo: David Jensen
Magnar Gullikstad Johnsen
Job description
Observatory Leader
Scientist responsible for TGO magnetometer network
Juha-Pekka Vierinen,
F.L. Poblet,
J.L. Chau,
V. Avsarkisov,
Hans Laszlo Pecseli,
M. Tsutsumi
et al.:
Dissipation Rates of Mesospheric Stratified Turbulence From Multistatic Meteor-Radar Observations
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
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
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
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
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
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
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
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
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
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 correction of temperatures derived from meteor
wind radars due to geomagnetic activity
Chris Hall,
Magnar Gullikstad Johnsen
:
On the relation between ionospheric parameters and sunspot number
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
Léo Bosse,
Jean Lilensten,
Nicolas Gillet,
Sylvain Rochat,
Alain Delboulbé,
Stephane Curaba
et al.:
On the nightglow polarisation for space weather exploration
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
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
Chris Hall,
Magnar Gullikstad Johnsen
:
Possible influence of variations in the geomagnetic field on migration paths of snow buntings
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
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
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
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
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
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
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?
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
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
Inge Edvardsen,
Magnar Gullikstad Johnsen,
Unni Pia Løvhaug
:
Effects of substorm electrojet on declination along concurrent geomagnetic latitudes in the northern auroral zone
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
Sophie Chabanski,
Antonio Guerrero Ortega,
Marina Gruet,
Magnar Gullikstad Johnsen,
Stefan Hofmeister,
Lauri Holappa
et al.:
Space Weather and Space Climate - A timeline
EDP Sciences 2024 ARKIV
Magnar Gullikstad Johnsen,
Ingeborg Frøystein
:
A century of geomagnetic activity in Norway
2023
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
Devin Ray Huyghebaert,
Ingrid Mann,
Lisa Baddeley,
Magnar Gullikstad Johnsen,
Lasse Clausen,
Michael Gausa
et al.:
EISCAT 3D Norway - An Overview
2022
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
Ingeborg Frøystein,
Magnar Gullikstad Johnsen
:
Long-term analysis of Norwegian K-indices
2022
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
Magnar Gullikstad Johnsen
:
Historisk overblikk: Norsk Geofysisk Forening gjennom 100 år
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
Norah Kaggwa Kwagala,
Kjellmar Oksavik,
Dag Arne Lorentzen,
Magnar Gullikstad Johnsen
:
Thermally Excited 630.0 nm Emissions in the Polar Ionosphere
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
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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