Foto: David Jensen
Magnar Gullikstad Johnsen
Stillingsbeskrivelse
Observatorieleder
Vitenskapelig ansvarlig for TGOs magnetometernettverk
Juha-Pekka Vierinen,
F.L. Poblet,
J.L. Chau,
V. Avsarkisov,
Hans Laszlo Pecseli,
M. Tsutsumi
m.fl.:
Dissipation Rates of Mesospheric Stratified Turbulence From Multistatic Meteor-Radar Observations
Léo Bosse,
Jean Lilensten,
Nicolas Gillet,
Colette Brogniez,
Olivier Pujol,
Sylvain Rochat
m.fl.:
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
m.fl.:
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
m.fl.:
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
m.fl.:
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
m.fl.:
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
m.fl.:
GMAG: An open-source python package for ground-based magnetometers
Sota Nanjo,
Satonori Nozawa,
Masaki Yamamoto,
Tetsuya Kawabata,
Magnar Gullikstad Johnsen,
Takuo T. Tsuda
m.fl.:
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
m.fl.:
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
m.fl.:
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
m.fl.:
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
m.fl.:
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
m.fl.:
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
m.fl.:
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
m.fl.:
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
m.fl.:
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
m.fl.:
Space Weather and Space Climate - A timeline
EDP Sciences 2024
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
m.fl.:
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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Forskningsinteresser
Sol-jord vekselvirkning, ionosfærefysikk, magnetosfærefysikk, nordlys, geomagnetisme, romvær
Medlem i forskningsgruppe
CV
SuperMAG Steering Committee member
IMAGE Science Council Chair
Nasjonal Korrespondent for Norge i IAGA
Fagansvarlig for Kosmisk Fysikk i Store Norske Leksikon