Blar i Department of Earth Science på tittel
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Impact of seasonal fluctuations of ice velocity on decadal trends observed in Southwest Greenland
(Journal article; Peer reviewed, 2023)By tracking the feature displacement between satellite images spaced approximately one year apart, surface runoff has been shown to have a long-term impact on the average ice flow of a land-terminating sector of Greenland. ... -
Impacts of seismic resolution on fault interpretation: Insights from seismic modelling
(Journal article; Peer reviewed, 2021)Seismic mapping of subsurface faults is hampered by factors such as seismic resolution, velocity control for depth conversion and human bias. Here, we explore the challenges and pitfalls related to interpreting normal ... -
Impacts of small-scale faults on continental to coastal plain deposition: Evidence from the Realgrunnen Subgroup in the Goliat field, southwest Barents Sea, Norway
(Peer reviewed; Journal article, 2018-08)In this study we synthesise sedimentological, fault, and Amplitude Versus Angle (AVA) analysis and propose that the Fruholmen and Tubåen formations (Realgrunnen Subgroup) are syn-kinematic deposits that record a previously ... -
Implications of 3D Seismic Raytracing on Focal Mechanism Determination
(Journal article; Peer reviewed, 2019)The purpose of this study is to investigate apparent first‐motion polarities mismatch at teleseismic distances in the determination of focal mechanism. We implement and compare four seismic raytracing algorithms to compute ... -
Improved quantitative calibration of rock physics models
(Peer reviewed; Journal article, 2011-11)In reservoir characterization, rock-physics models provide the link between seismic observables (density, compressional and shear wavespeeds) and reservoir parameters such as porosity, lithology and fluid saturation. ... -
Improved seismic monitoring with OBS deployment in the Arctic: A pilot study from offshore western Svalbard
(Journal article; Peer reviewed, 2021)The mid‐ocean ridge system is the main source of earthquakes within the Arctic region. The earthquakes are recorded on the permanent land‐based stations in the region, although, smaller earthquakes remain undetected. In ... -
Impulsive overflatekilder for seismisk prospektering
(Master thesis, 2003) -
Inception of the Northern European Ice Sheet due to contrasting ocean and insolation forcing
(Peer reviewed; Journal article, 2007-01)About 115,000 years ago the last interglacial reached its terminus and nucleation of new ice sheet growth was initiated. Evidence from the northernmost Nordic Seas indicate that the inception of the last glacial was related ... -
Increased ventilation of Antarctic deep water during the warm mid-Pliocene
(Peer reviewed; Journal article, 2013-02-19)The mid-Pliocene warm period is a recent warm geological period that shares similarities with predictions of future climate. It is generally held the mid-Pliocene Atlantic Meridional Overturning Circulation must have been ... -
Increasing fault slip rates within the Corinth Rift, Greece: A rapidly localising active rift fault network
(Journal article; Peer reviewed, 2024)As a young (<5 Myr old) active rift with high resolution spatial and temporal constraints, the Corinth Rift is a natural laboratory for testing models of rift and fault network development in the early stages of continental ... -
Independent tephrochronological evidence for rapid and synchronous oceanic and atmospheric temperature rises over the Greenland stadial-interstadial transitions between ca. 32 and 40 ka b2k
(Journal article; Peer reviewed, 2020)Understanding the dynamics that drove past abrupt climate changes, such as the Dansgaard-Oeschger (DO) events, depends on combined proxy evidence from disparate archives. To identify leads, lags and synchronicity between ... -
Influence and reactivation of pre-existing rift faults during the development of an overlying fault network, northern Browse Basin, NW Australia
(Master thesis, 2017-10-13)Focusing on multiple events and interaction of different fault networks with the time being common in extensional settings such as passive margins and continental rifts. This study aims to better understand the interaction ... -
Influence of frozen ground on seismic data
(Master thesis, 2012-08-02)The interest for subsurface exploration in the arctic is increasing. Thus knowledge about the effects of glaciers and permafrost on seismic data is needed. This thesis focuses on five questions that are relevant in this ... -
The influence of magmatic intrusions on diagenetic processes and stress accumulation
(Peer reviewed; Journal article, 2019-11-13)Diagenetic changes in sedimentary basins may alter hydrocarbon reservoir quality with respect to porosity and permeability. Basins with magmatic intrusions have specific thermal histories that at time of emplacement and ... -
The influence of structural inheritance and multiphase extension on rift development, the northern North Sea
(Peer reviewed; Journal article, 2019-11-08)The northern North Sea rift evolved through multiple rift phases within a highly heterogeneous crystalline basement. The geometry and evolution of syn‐rift depocenters during this multiphase evolution and the mechanisms ... -
The influence of submarine hydrothermal systems on seawater sulfate
(Journal article; Peer reviewed, 2023) -
The influence of the pre-existing structuring on the evolution and geometry of extensional fault systems in the northern North Sea rift system
(Doctoral thesis, 2017-10-03)The structural style and fault evolution in rift basins affected by pre-existing structuring differ considerably from those developing above the homogeneous crust, because pre-existing structures are likely to reactivate ... -
Influence of Zones of Pre-Existing Crustal Weakness on Strain Localization and Partitioning During Rifting: Insights From Analog Modeling Using High-Resolution 3D Digital Image Correlation
(Journal article; Peer reviewed, 2021)Pre-existing crustal structures are known to influence rifting, but the factors controlling their influence remain poorly understood. We present results of digital image correlation that allows for the surface strain ... -
Innsjøsedimentasjon og klimautvikling i de polare Uralfjellene
(Master thesis, 2015-06-01)Denne oppgaven vil prøve å avdekke hvor lenge Bol. Schuchye (67°51'N, 66°22'Ø) i de polare Uralfjellene har vært isfri, og hvordan innsjøsedimentasjonen og klimautviklingen har vært i denne perioden. 102 sparker-profiler ... -
Insights into past tectonism from authigenic quartz
(Journal article; Peer reviewed, 2021)Authigenic quartz grains carry information that is diagnostic for the thermal history and thereby the burial depth and uplift of sediments. Recycled quartz grains with embayed or rounded authigenic remnants have been ...