Blar i Department of Earth Science på tittel
Viser treff 961-980 av 1034
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Tephrochronology of the North Atlantic during the Last Glacial period – a paleoclimate synchronization tool
(Doctoral thesis, 2021-04-09)During present time, the global climate is changing at a rapid pace. To understand the future consequences of these changes, studies of past abrupt climate change are essential. A natural analogue to the current climate ... -
Testing the Environmental Seismic Intensity Scale on Data Derived from the Earthquakes of 1626, 1759, 1819, and 1904 in Fennoscandia, Northern Europe
(Journal article; Peer reviewed, 2021)Earthquake environmental effects (EEEs) were compiled for the earthquakes of 1626, 1759, 1819, and 1904 in the Fennoscandian Peninsula, northern Europe. The principal source of information was the contemporary newspaper ... -
Textural and geochemical characteristics of hematitic chert deposits in SW Norway: Implications for formation settings and processes
(Master thesis, 2017-11-30)Jasper, a specific type of hematitic chert, is often interpreted as an ancient analogue to modern seafloor hydrothermal deposits. Modern low-temperature seafloor hydrothermal Fe-deposits are mainly produced by Fe(II)- ... -
The formation of the ophiolitic terrane of SW Norway - relationships between immature island arc volcanic sequences and trondhjemitic complexes on Bømlo
(Master thesis, 2021-10-01)Single zircon U/Pb dating, geochemistry, and field descriptions from trondhjemitic and tonalitic intrusions, intruding the Lykling Ophiolite Complex, provide new insights into the origin and evolution of the Early Ordovician ... -
A theoretical approach to glacier equilibrium-line altitudes using meteorological data and glacier massbalance
(Peer reviewed; Journal article, 2003-05-01)Based on a close exponential relationship between mean ablation-season temperature and winter precipitation at the equilibrium-line altitude (ELA) of 10 Norwegian glaciers, three equations are derived. The first equation ... -
Theoretical equilibrium-line altitudes and glacier buildup sensitivity in southern Norway based on meteorological data in a geographical information system
(Peer reviewed; Journal article, 2003-05-01)Three equations derived from a close exponential glacier-climate relationship at the equilibrium-line altitude (ELA) of Norwegian glaciers have been utilized and implemented in a geographical information system (GIS). The ... -
Time-lapse techniques for surface velocity, front position and calving rate measurement of a fast-flowing tidewater glacier in Svalbard
(Master thesis, 2015-05-31)Calving is the mechanical loss of icebergs from tidewater glaciers, responsible for 70% of the annual transfer of mass from the cryosphere to the ocean (van der Veen 1998a, 2002). To be able to correctly predict future ... -
TimeseriesSurrogates.jl: a Julia package for generating surrogate data
(Journal article; Peer reviewed, 2022) -
The timing of deglaciation and the sequence of pioneer vegetation at Ringsaker, eastern Norway – and an earthquake-triggered landslide
(Peer reviewed; Journal article, 2018)We describe a sediment sequence comprising a thick till covered by thin beds of lacustrine sediments containing pollen and plant macrofossils derived from pioneer vegetation. Four consistent radiocarbon dates on terrestrial ... -
Tipping the balance: Shifts in sediment production in an active rift setting
(Peer reviewed; Journal article, 2019-02-06)Landscapes in actively developing rifts respond to tectonic forcing over a similar time scale to that of fault array evolution (i.e., 10^5–10^6 yr). Consequently transient landscapes (i.e., not in topographic steady state) ... -
Tolkning av refleksjonsseismiske data fra Van Mijenfjorden, Svalbard
(Master thesis, 2017-12-07)Grunnlaget for tolkningen i denne oppgaven er 53 av 68 tilgjengelige multi-kanals seismiske linjer som er samlet inn under Svalex i årene 2007-2014. De seismiske linjene sørget for god dekning av Van Mijenfjorden. Datasettet ... -
Topografi og dreneringsretninger under Nordfonna, Folgefonna
(Master thesis, 2012-01-09)Nordfonna er den nordligste av de tre breene på Folgefonnhalvøyen i Hardanger. Nordfonna er en godt vitenskapelig kartlagt isbre. Breens plassering gjør den sensitiv for klimatiske endringer og kan hjelpe forskere å forstå ... -
Topological Characterization of a Fault Network Along the Northern North Sea Rift Margin
(Journal article; Peer reviewed, 2023)The factors that control the spatial variation of the topological characteristics of normal fault networks at the rift-scale are poorly understood. Here, we use 3D seismic reflection data from the northern North Sea to ... -
Topological Constraints by the Greenland–Scotland Ridge on AMOC and Climate
(Journal article; Peer reviewed, 2020)Changes in the geometry of ocean basins have been influential in driving climate change throughout Earth’s history. Here, we focus on the emergence of the Greenland–Scotland Ridge (GSR) and its influence on the ocean state, ... -
Topology of normal fault damage zones in carbonate rocks, Malta - implications for the development of connectivity in evolving fault networks
(Master thesis, 2016-11-21)Fault damage zones are known to be more complex in linkage zones, relays and at fault tips. From a reservoir perspective, these damage complexities may act as conduits or barriers for fluid flow, hence they need to be ... -
Toward Waveform-Based Characterization of Slab & Mantle Wedge (SAM) Earthquakes
(Journal article; Peer reviewed, 2021)Earthquakes in subduction zones occur in the slab mantle, in the subducting crust, on the subduction plate interface, and, in some cases, in the mantle wedge–regions that are separated by strong seismic discontinuities. ... -
Towards a process-based understanding of Holocene polar climate change. Using glacier-fed lake sediments from Arctic Svalbard and Antarctic South Georgia
(Doctoral thesis, 2016-05-03)Earth`s polar regions are undergoing dramatic changes due to ongoing climate change as demonstrated by increasing temperatures, collapsing ice shelves, Arctic sea ice loss and rapid glacier retreat. Driving an accelerating ... -
Towards the new Thematic Core Service Tsunami within the EPOS Research Infrastructure
(Journal article; Peer reviewed, 2022)Tsunamis constitute a significant hazard for European coastal populations, and the impact of tsunami events worldwide can extend well beyond the coastal regions directly affected. Understanding the complex mechanisms of ... -
Trace Elements in the Large Population-Based HUNT3 Survey
(Journal article; Peer reviewed, 2021)The Nord-Trøndelag Health Study (The HUNT Study) is a large health survey population study in the county of Trøndelag, Norway. The survey has been repeated four times in about 10-year intervals. In the HUNT3 survey ... -
Tracing the last remnants of the Scandinavian Ice Sheet: Ice-dammed lakes and a catastrophic outburst flood in northern Sweden
(Peer reviewed; Journal article, 2019-08-08)We present geomorphological evidence of large, previously undocumented, early Holocene ice-dammed lakes in the Scandinavian Mountains of northwestern Sweden. The lakes extents indicate that the last remnants of the ...