Photo: Jørn Berger-Nyvoll/UiT
Andres Spicher
N. Brindley,
Mahith Madhanakumar,
Andres Spicher,
D. Whiter,
Kjellmar Oksavik,
Y. Ogawa
:
Intense Dynamic Optical Auroral Sub‐Structure as a Proxy for Ionospheric Density Irregularities
Journal of Geophysical Research (JGR): Space Physics 2025 DOI
Mahith Madhanakumar,
Andres Spicher,
Devin Ray Huyghebaert,
Anton Kashcheyev,
Luca Spogli,
Kjellmar Oksavik
et al.:
Co‐Ordinated Observations of Multi‐Scale Irregularities Using ICEBEAR and GNSS During the May 2024 Superstorm
Space Weather 16. August 2025 DOI
Lisa Marie Buschmann,
K. Asamura,
Lasse Clausen,
Yaqi Jin,
H. Kojima,
A. Kumamoto
et al.:
Plasma structuring within an expanded polar cap and cusp studied with the SS-520-3 sounding rocket
Earth, Planets and Space 2025 DOI
Andreas Kvammen,
Andres Spicher,
Matthew Zettergren,
Devin Ray Huyghebaert,
Theresa Rexer,
Björn Johan Gustavsson
et al.:
Conditions for the Kelvin-Helmholtz Instability in the Polar Ionosphere
Geophysical Research Letters 2025 DOI
Mahith Madhanakumar,
Andres Spicher,
Juha-Pekka Vierinen,
Kjellmar Oksavik,
Anthea J. Coster,
Devin Ray Huyghebaert
et al.:
The Growth and Decay of Intense GNSS Amplitude and Phase Scintillation During Non-Storm Conditions
Mahith Madhanakumar,
Andres Spicher,
Juha-Pekka Vierinen,
Kjellmar Oksavik
:
On the strength of E and F region irregularities for GNSS scintillation in the dayside polar ionosphere
Andreas Kvammen,
Juha-Pekka Vierinen,
Devin Ray Huyghebaert,
Theresa Rexer,
Andres Spicher,
Björn Johan Gustavsson
et al.:
NOIRE-Net–a convolutional neural network for automatic classification and scaling of high-latitude ionograms
Lisa Marie Buschmann,
Lasse Clausen,
Andres Spicher,
Magnus Fagernes Ivarsen,
Wojciech Jacek Miloch
:
Statistical Studies of Plasma Structuring in the Auroral Ionosphere by the Swarm Satellites
T.G. Cameron,
R.A.D. Fiori,
G.W. Perry,
Andres Spicher,
T. Thayaparan
:
Statistical Analysis of Off-Great Circle Radio Wave Propagation in the Polar Cap
Ingeborg Frøystein,
Andres Spicher,
Björn Johan Gustavsson,
Kjellmar Oksavik,
Magnar Gullikstad Johnsen
:
On the Identification of the Dayside Auroral Region Using Incoherent Scatter Radar
Yaqi Jin,
Jøran Idar Moen,
Andres Spicher,
Jianjun Liu,
Lasse Clausen,
Wojciech Jacek Miloch
:
Ionospheric Flow Vortex Induced by the Sudden Decrease in the Solar Wind Dynamic Pressure
Johann Immanuel Stamm,
Juha Vierinen,
Bjorn Johan Gustavsson,
Andres Spicher
:
A technique for volumetric incoherent scatter radar analysis
Lisa Baddeley,
Dag Arne Lorentzen,
Stein Egil Haaland,
Erkka Petteri Heino,
Ingrid Brigitte Mann,
Wojciech Jacek Miloch
et al.:
Space and atmospheric physics on Svalbard: a case for continued incoherent scatter radar measurements under the cusp and in the polar cap boundary region
Lisa Marie Buschmann,
John W. Bonnell,
Scott Bounds,
Lasse Clausen,
Craig Kletzing,
Sigvald Marholm
et al.:
The role of particle precipitation on plasma structuring at different altitudes by in-situ measurements
Shun-Rong Zhang,
Yukitoshi Nishimura,
Juha-Pekka Vierinen,
Larry R. Lyons,
Delores J. Knipp,
Björn Johan Gustavsson
et al.:
Simultaneous Global Ionospheric Disturbances Associated With Penetration Electric Fields During Intense and Minor Solar and Geomagnetic Disturbances
Magnus Fagernes Ivarsen,
Yaqi Jin,
Andres Spicher,
Jean-Pierre St-Maurice,
Jaeheung Park,
Daniel Billett
:
GNSS Scintillations in the Cusp, and the Role of Precipitating Particle Energy Fluxes
Devin Ray Huyghebaert,
Jorge L. Chau,
Andres Spicher,
Magnus Fagernes Ivarsen,
Matthias Clahsen,
Ralph Latteck
et al.:
Investigating Spatial and Temporal Structuring of E-Region Coherent Scattering Regions Over Northern Norway
Magnus Fagernes Ivarsen,
Adam Lozinsky,
Jean-Pierre St-Maurice,
Andres Spicher,
Devin Ray Huyghebaert,
Glenn C. Hussey
et al.:
The Distribution of Small-Scale Irregularities in the E-Region, and Its Tendency to Match the Spectrum of Field-Aligned Current Structures in the F-Region
Mahith Madhanakumar,
Andres Spicher,
Devin Ray Huyghebaert,
Anton Kashcheyev,
Luca Spogli,
Kjellmar Oksavik
et al.:
Observations of irregularities with scales from 3 meters to several hundreds of kilometers during the May 2024 Superstorm | CEDAR
2025 DOI
Andres Spicher
:
On the characteristics of ionospheric density irregularities in the polar regions
2025
Andres Spicher,
Andreas Kvammen,
Matthew Zettergren,
Kshitija Deschpande,
Pralay R. Vaggu,
Juha Vierinen
:
On the nature of high-latitude ionospheric fluctuations associated with the Kelvin-Helmholtz Instability
2025
Ingeborg Frøystein,
Andres Spicher,
Kjellmar Oksavik,
Björn Johan Gustavsson
:
Identification and characterization of the dayside ionospheric low energy precipitation region based on ISR measurements
2024
Yaqi Jin,
Andres Spicher,
Hans Laszlo Pecseli,
Lasse Clausen,
Wojciech Jacek Miloch,
Knut Stanley Jacobsen
et al.:
In-situ observations of plasma blob inside the nightside auroral region and features of small-scale irregularities
2024
Mahith Madhanakumar,
Andres Spicher,
Juha-Pekka Vierinen,
Kjellmar Oksavik,
Devin Ray Huyghebaert,
Carley J Martin
et al.:
The progress and decay of GNSS scintillation during a weak
geomagnetic storm: A case study
2024
Ingeborg Frøystein,
Andres Spicher,
Kjellmar Oksavik,
Björn Johan Gustavsson
:
On the Dynamics and IMF Effects in the Dayside Ionospheric Region Based on ISR Measurements
2024
Andres Spicher,
Andreas Kvammen,
Matthew David Zettergren,
John W. Bonnell,
Lasse Clausen,
Kshitija Deshpande
et al.:
Understanding the creation of ionospheric F-region turbulence and its spatio-temporal evolution using GNSS scintillations, auxiliary instruments and modeling
2024
Mahith Madhanakumar,
Andres Spicher,
Juha-Pekka Vierinen,
Kjellmar Oksavik,
Anthea J. Coster,
Devin Ray Huyghebaert
et al.:
On the asymmetry between scintillation intensity in the pre-noon and post-noon sectors
2024
Roger Birkeland,
Milica Orlandic,
Tor Arne Johansen,
Anja Kohfeldt,
Ketil Røed,
Tor Berger
et al.:
An update on Norwegian Space Education
2024
Andreas Kvammen,
Andres Spicher,
Matthew David Zettergren,
Devin Ray Huyghebaert,
Theresa Rexer,
Björn Johan Gustavsson
et al.:
Formation and evolution of the Kelvin-Helmholtz Instability in the Arctic Ionosphere
2024
Andreas Kvammen,
Andres Spicher,
Matthew David Zettergren,
Devin Ray Huyghebaert,
Theresa Rexer,
Björn Johan Gustavsson
et al.:
Conditions for the Kelvin-Helmholtz Instability in the Polar Ionosphere
2024
Andreas Kvammen,
Juha-Pekka Vierinen,
Devin Ray Huyghebaert,
Theresa Rexer,
Andres Spicher,
Björn Johan Gustavsson
et al.:
NOIRE-Net - A convolutional neural network for automatic classification and scaling of high-latitude ionograms
2024
Mahith Madhanakumar,
Andres Spicher,
Juha-Pekka Vierinen,
Kjellmar Oksavik
:
Multi-instrument study of dayside scintillation at GNSS L-band frequencies
2024
Andres Spicher,
Theresa Rexer,
Andreas Kvammen,
Mahith Madhanakumar,
M. Zettergren,
Kjellmar Oksavik
et al.:
Characterization and Assessment of Structuring Connected to Auroral Dynamics using EISCAT_3D (CASCADE): A brief overview
2024
Andres Spicher,
Andreas Kvammen,
M. Zettergren,
Roger Roglans,
John W Bonnell,
James LaBelle
et al.:
Characterizing ionospheric turbulence on the poleward side of the cusp using sounding rocket observations and modelling work
2024
Etienne Gavazzi,
Andres Spicher,
Björn Johan Gustavsson,
James H. Clemmons,
Robert F. Pfaff,
Douglas E. Rowland
:
Time-dependent electron transport calculations of small-scale dynamic precipitation
2024
Mahith Madhanakumar,
Andres Spicher,
Juha-Pekka Vierinen,
Kjellmar Oksavik
:
Source regions of irregularities causing GNSS radio scintillation: An investigation using EISCAT
2024
Etienne Gavazzi,
Andres Spicher,
Björn Johan Gustavsson,
James H. Clemmons,
Robert F. Pfaff,
Douglas E. Rowland
:
Combining Time-Dependent Electron Transport Calculations with Rocket Measurements to Study Small-Scale Dynamic Precipitation
2024
Magnus Fagernes Ivarsen,
Yaqi Jin,
Andres Spicher
:
What are the dominant causes of density irregularities in the ionospheric cusp
2024
Andres Spicher,
Juha-Pekka Vierinen,
Theresa Rexer,
Ingemar Häggstrøm,
Devin Ray Huyghebaert,
Björn Johan Gustavsson
et al.:
On the characteristics of meso-scale ionospheric dynamics based on EISCAT radar low-elevation experiments
2024
Mahith Madhanakumar,
Andres Spicher,
Juha-Pekka Vierinen,
Kjellmar Oksavik,
Anthea J. Coster,
Devin Ray Huyghebaert
et al.:
On the asymmetry between scintillation intensity in the pre-noon and post-noon sectors
2024
Devin Ray Huyghebaert,
Jorge L. Chau,
Andres Spicher,
Magnus Fagernes Ivarsen,
Matthias Clausen,
Ralph Latteck
et al.:
Large Scale Temporal and Spatial Characteristics of E-region Plasma Irregularities Measured by SIMONe Norway
2023
Andres Spicher,
Axel Steuwer,
Devin Ray Huyghebaert,
Yasunobu Ogawa,
Juha Vierinen,
Johann Immanuel Stamm
et al.:
EISCAT and EISCAT 3D Primer
2023
Andres Spicher,
Axel Steuwer,
Devin Ray Huyghebaert,
Yasunobu Ogawa,
Juha Vierinen,
Johann Immanuel Stamm
et al.:
EISCAT 3D Status and Future Development
2023
Devin Ray Huyghebaert,
Björn Johan Gustavsson,
Juha-Pekka Vierinen,
Andres Spicher,
Andreas Kvammen,
Matthew D. Zettergren
:
EISCAT_3D Imaging Techniques for Ionospheric Incoherent Scatter Spectra Reconstruction
2023
Andres Spicher
:
Space physics at UiT The Arctic University of Norway, Tromsø
2023
Andreas Kvammen,
Andres Spicher,
Matthew D. Zettergren,
Devin Ray Huyghebaert,
Theresa Rexer,
Björn Johan Gustavsson
et al.:
Conditions for the Kelvin-Helmholtz Instability in the Polar Ionosphere
2023
Andres Spicher
:
Characterizing high-latitude ionospheric turbulence
2023
Andres Spicher,
Andreas Kvammen,
James LaBelle,
Matthew D. Zettergren,
John W. Bonnell,
Roger Roglans
et al.:
Examining the relevance of different instability mechanisms in causing ionospheric cusp irregularities based on sounding rocket data and numerical simulations
2023
Etienne Gavazzi,
Andres Spicher,
Björn Johan Gustavsson,
James H. Clemmons,
Robert F. Pfaff,
Douglas E. Rowland
:
Time dependent electron transport calculations of the ionospheric response to Alfvénic precipitations
2023
Theresa Rexer,
Andres Spicher,
Andreas Kvammen,
Juha Vierinen
:
Characteristics of polar ionospheric plasma density irregularities with multi-point measurements
2023
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FYS-3000 INTRODUCTION TO SATELLITE AND ROCKETS TECHNIQUES AND SPACE INSTRUMENTATIONS
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