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(Master thesis / Masteroppgave, 2023)Haloformasjoner er optiske fenomener som kan sees på himmelen. Disse fenomenene oppstår på grunn av sollys som skinner igjennom tynne cirrusskyer. Cirrusskyer består av iskrystaller med ujevne former, i motsetning til ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)Volatile emissions to the atmosphere associated with the Siberian Traps eruptions at the Permian-Triassic boundary were sourced from the outgassing of primary magmas and the sedimentary host rocks into which they were ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)Abstract There is a pressing need for transformative change, with a vision of long-term human well-being within planetary boundaries. The lack of progress—despite increasing awareness and action—illustrates how challenging ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)Thawing of subsea permafrost can impact offshore infrastructure, affect coastal erosion, and release permafrost organic matter. Thawing is usually modeled as the result of heat transfer, although salt diffusion may play ...
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(Master thesis / Masteroppgave, 2011)A one-dimensional heat flux model has been developed in this study to analyze changes in heat propagation within debris cover on a glacier and the subsequent melt. The model can accept data collected in situ for calculations ...
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(Master thesis / Masteroppgave, 2019)Heavy rain events in the Arctic archipelago Svalbard can have a high impact on nature and settlements, and are predicted to become more frequent and intense in the coming decades. This thesis work focuses on heavy rain ...
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(Master thesis / Masteroppgave, 2008)
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(Master thesis / Masteroppgave, 2020)Helicopters are sometimes hit by lightning when flying offshore along the coast of Norway. Often, the helicopter’s presence is what triggers the lightning strike, and this phenomenon is called Helicopter Triggered Lightning ...
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(Master thesis / Hovedoppgave, 1964)
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(Master thesis / Masteroppgave, 2022)Climate change has impacted the global water cycle and has changed how streamflow behaves in Norway. Knowledge about high and low flows are important to be prepared for future changes, such as changes in water availability ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)CO2 release from thawing permafrost is both a consequence of, and a driver for, global warming, making accurate information on the Arctic carbon cycle essential for climate predictions. Eddy covariance data obtained from ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)The presence of ground ice in Arctic soils exerts a major effect on permafrost hydrology and ecology, and factors prominently into geomorphic landform development. As most ground ice has accumulated in near-surface permafrost, ...
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(Master thesis / Masteroppgave, 2018)
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)Studies of mineral equilibria in metamorphic rocks have given valuable insights into the tectonic processes operating at convergent plate margins during an orogeny. Geodynamic models simulating orogenesis and crustal ...
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(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2020)Abstract The subsolidus phase diagram of silica in the 80–220 GPa pressure range was determined by density functional theory (DFT). The transition pressures calculated using the generalized gradient approximation ...
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(Master thesis / Masteroppgave, 2015)The motion of temperate and polythermal glaciers is influenced by the seasonal input of meltwater to the basal hydrological system. Spatial differences in the bed sliding velocities lead to stress and strain in the glacier ...
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(Journal article / Tidsskriftartikkel / SubmittedVersion, 2018)We present an experimental method to study time-dependent, CO2-induced, local topography changes in mm-sized composite samples, plus results showing heterogeneous swelling of coal and shale on the nano- to micrometer scale. ...
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(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2017)In contrast to coseismic pulverization of crystalline rocks, observations of coseismic pulverization in porous sedimentary rocks in fault damage zones are scarce. Also, juxtaposition of stiff crystalline rocks and compliant ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)Earthquake rupture in strong, anhydrous lower continental crust requires high brittle failure stresses unless high pore fluid pressures are present. Several mechanisms proposed to generate high stresses at depth imply ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)Seismic activity below the standard seismogenic zone is difficult to investigate because the geological records of such earthquakes, pseudotachylytes, are typically reacted and/or deformed. Here, we describe unusually ...