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Viser treff 1776-1795 av 2336
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)Abstract Taking advantage of the Raman resonance effect, we employed 405 and 532 nm excitations to (1) identify sulfur species present in lazurite, haüyne, and synthetic ultramarine blue pigments and (2) investigate ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)The temperature distribution of shallow sectors of coastal aquifers are highly influenced by the atmospheric temperature and recharge. However, geothermal heat or vertical fluxes due to the presence of the saline wedge ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)The late Permian biotic crisis had a major impact on marine and terrestrial environments. Rising CO2 levels following Siberian Trap volcanic activity were likely responsible for expanding marine anoxia and elevated water ...
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(Master thesis / Masteroppgave, 2007)Rainfall induced landslides is one of the most common natural hazard worldwide. Intensive rainfall and rapid snow melting caused the two landslides in Jordalsdalen in Fjærland in Western Norway. Debris flow is a global ...
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Sammenheng mellom regionale hydrometeorologiske forhold og poretrykk mht. utløsning av løsmasseskred (Master thesis / Masteroppgave, 2019)Fremtidens klima kommer til å føre til flere store nedbør- og snøsmeltingshendelser. I dag utgjør dette en stor del av utløsende årsak for løsmasseskred. Det vil si at for å minimere skadeomfanget som kan oppstå med ...
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(Master thesis / Masteroppgave, 2007)Clouds cover about 70% of the earth. In 1983 the world first satellite program, called International Satellite Cloud Climatology Project (ISCCP), was established. ISCCP use geostationary and polar orbiting satellites to ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)Abstract Studying the geology of a terrestrial body and its evolution requires being able to set up a chronology. Crater statistics is a powerful tool to do so. However, calibration of this method, which is derived ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)In the days to weeks following an earthquake, landslides can display specific post-seismic motions, including delayed initiations and post-seismic relaxations. These motions have an uncertain origin, sometimes attributed ...
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(Master thesis / Masteroppgave, 2008)Til tross for at isskred fra breer sjelden forekommer, utgjør disse en kontinuerlig fare for menneskeliv og infrastruktur lokalisert i nærområdene. Skred fra bratte breer kan forekomme som en naturlig del av ablasjonsprosessen ...
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(Master thesis / Masteroppgave, 2007)Aerosol particles , such as sulfate aerosols, can act as cloud condensation nuclei (CCN). The CCN spectrum and water vapor supply in a cloud determine the cloud droplet number concentration (CDNC) and hence shortwave optical ...
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(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2021)Abstract The ScanArray international collaborative program acquired broadband seismological data at 192 locations in the Baltic Shield during the period between 2012 and 2017. The main objective of the program ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)[1] Marine cloud brightening through sea spray injection has been proposed as a method of temporarily alleviating some of the impacts of anthropogenic climate change, as part of a set of technologies called geoengineering. ...
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(Doctoral thesis / Doktoravhandling, 2012)This thesis adresses the problem of how to image the time-varying sea surface based on dual sensor marine seismic data. Although flat and stationary sea surface assumptions may suffice during the processing of marine seismic ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)[1] Among proposed mechanisms for counteracting global warming through solar radiation management is the deliberate injection of sea salt acting via marine cloud brightening and the direct effect of sea-salt aerosols. In ...
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Seal, and overburden rock characterization of potential CO2 storage sites in the northern North Sea (Doctoral thesis / Doktoravhandling, 2022)Building confidence in subsurface geological carbon dioxide (CO2) injection project The anthropogenic atmospheric carbon dioxide (CO2) is one of the major greenhouse gases that are responsible for human-induced global ...
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(Doctoral thesis / Doktoravhandling, 2008)This dissertation was motivated by the realization that four concepts, which are too simplistic, are widely assumed in the petroleum industry: First, mechanical compaction and associated disequilibrium compaction are ...
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(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2020)The fine particulate matter (e.g. PM2.5) gains an increasing concern of human health deterioration. Modelling PM2.5 concentrations remains a substantial challenge due to the limited understanding of the dynamic processes ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)A new regional compilation of seamount-like oceanic igneous features (SOIFs) in the NE Atlantic points to three distinct oceanic areas of abundant seamount clusters. Seamounts on oceanic crust dated 54–50 Ma are formed on ...
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(Journal article / Tidsskriftartikkel / SubmittedVersion, 2017)Using field surveys in 2013, 2014, and 2016 plus satellite data from the 1999–2015 period, we analyze the seasonal drainage cycle of supraglacial lakes on seven debris-covered glaciers in the central Tien Shan. We characterize ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)Nordenskiöld Land in Central Spitsbergen, Svalbard is characterized as a high latitude, high relief periglacial landscape with permafrost occurring both in mountains and lowlands. Freezing and thawing of the active layer ...