Publication / phD Dissertations

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Ekaterina Vorobeva: (Advisor: Patrick Espy, Co-advisors: Robert E. Hibbins, Sven P. Näsholm), Exploiting infrasound to probe the dynamics of the middle atmosphere


Chris Alexander Kallevik Skeie: (Advisors: Martino Marisaldi and Nikolai Lehtinen), Aircraft and spacecraft observations of high-energy radiation associated with lightning leaders

Wim van Caspel: (Advisor: Patrick Espy, co-advisor: Robert Hibbins), Atmospheric Tides in the Mesosphere and Lower Thermosphere: Meteor Wind Observations and Mechanistic Tidal Model Simulations

Anders Lindanger: (Advisors: Nikolai Østgaard and Martino Marisaldi), Spectral Analysis of Terrestrial Gamma-ray Flashes and Their Connection to Lightning Discharges


Katie Herlingshaw: (Advisors: Lisa Baddeley and Dag Lorentzen (UNIS), Kjellmar Oksavik (UiB)), Characterising Mesoscale Fast Flow Channels in the Polar Cap Ionosphere

Carolina Maiorana: (Advisors: Martino Marisaldi and Nikolai Østgaard), Geographical Characteristics and Meteorological Environment of Terrestrial Gamma-ray Flashes

Fasil Tesema Kebede: (Advisors: Noora Partamies (UNIS) and Hilde Nesse Tyssøy), Energetic electron precipitation of pulsating aurorae and their mesospheric effects


Christoph Franzen: (Advisor: Patrick Espy (NTNU)) Aeronomy of hydroxyl airglow variability by means of high-resolution telescope observations and gravity wave simulations (NTNU)

Anders Ohma: (Advisor: Nikolai Østgaard) How Asymmetries in Geospace Evolve During Increased Tail Reconnection (UiB)


Alexander Broberg Skeltved: (Advisor: Nikolai Østgaard) Evaluating the production scenarios of terrestrial gamma-ray flashes (UiB)

Norah Kaggwa Kwagala: (Advisor: Kjellmar Oksavik, Co-advisors: Dag Lorentzen (UNIS), Magnar G. Johnsen (UiT)) Thermally excited 630.0 nm emissions in the polar Ionosphere (UiB)

Annet Eva Zawedde: (Advisor: Hilde Nesse Tyssøy) The Impact of Energetic Electron Precipitation on Mesospheric Hydroxyl radical (UiB)  


Paul Tenfjord: (Advisor: Nikolai Østgaard) Solar wind energy transfer and the asymmetric geospace (UiB)

Beate Krøvel Humberset: (Advisor: Jesper Gjerloev, Co-advisor: Kjellmar Oksavik) Scale size-dependent characteristics of the magnetosphere-ionosphere system using auroral imaging (UiB)

Xiancai Chen: (Advisor: Dag Lorentzen (UNIS), Co-advisor: Jøran Moen (UiO)) A study of dayside open/closed field line boundary dynamics using simultaneous ground-based optical and HF radar observations (UNIS/ UiO)


Jone Peter Reistad: (Advisor: Nikolai Østgaard) Mechanisms responsible for asymmetric aurora between the conjugate hemispheres (UiB)

Linn-Kristine Ødegaard: (Advisor: Hilde Nesse Tyssøy) Energetic particle precipitation into the middle atmosphere (UiB)

Christer van der Meeren: (Advisor: Kjellmar Oksavik, Co-advisor: Dag Lorentzen (UNIS)) Mesoscale ionosphereic plasma irregularities and scintillation over Svalbard (UiB)

Silje Holmen Eriksen: Trends and variability of polar mesopause region temperatures attributed to atmospheric dynamics and solar activity (UiT)


Nora Kleinknecht: (Advisor: Patrick Espy (NTNU)) Planetary waves in the northern MLT: Vertical coupling and effects (NTNU)

Ragnhild (Schrøder Hansen) Nisi: (Advisor: Nikolai Østgaard) Constraining the properties of Terrestrial Gamma-ray Flashes (UiB)


Teferi Dejene Demissie: (Advisor: Patrick Espy (NTNU)) The vertical structure and source regions of large- and small-scale waves in the middle atmosphere (NTNU)