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(Master thesis / Masteroppgave, 2008)
Contaminated sediments in Norway represent a significant problem for the public’s health as well as the environment, especially in urban coastal regions where former harbour areas are converted to residential zones requiring ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
We have addressed the seismic data denoising problem, in which the noise is random and has an unknown spatiotemporally varying variance. In seismic data processing, random noise is often attenuated using transform-based ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
Cone-in-cone (CIC) and beef (BF) carbonate lenses ornament detachment zone faults underlying Triassic growth basins on Edgeøya. Field relationships place CIC and BF growth as during early diagenesis and a transition from ...
(Master thesis / Masteroppgave, 2012)
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2017)
The rate at which global mean sea level (GMSL) rose during the 20th century is uncertain, with little consensus between various reconstructions that indicate rates of rise ranging from 1.3 to 2 mm⋅y−1. Here we present a ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2017)
We investigate initiation and evolution of sheath folds developing in multilayer sequences around slip surfaces in simple shear. The slip surface is initially circular and oriented at 135° to the shearing direction. The ...
(Doctoral thesis / Doktoravhandling, 2023)
The 21st century has already seen a series of major drought events in Europe. The high costs and multiple impacts highlight the importance of a holistic understanding of drought in order to improve preparedness and mitigation. ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Robust projections of changes in the hydrological cycle in a non-stationary climate rely on trustworthy estimates of the water balance elements. Additional drivers than precipitation and temperature, namely wind, radiation, ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
With dense SAR satellite data time series it is possible to map surface and subsurface glacier properties that vary in time. On Sentinel-1A and RADARSAT-2 backscatter time series images over mainland Norway and Svalbard, ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
The Eggvin Bank, located between the Jan Mayen Island and Greenland, is an unusually shallow area containing several submarine volcanic peaks, confined by two transforms on the Northern Kolbeinsey Ridge (NKR). We represent ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
The development of modelling tools for estimating stomatal uptake of surface ozone in vegetation is important for the assessment of potential damage induced due to both current and future near surface ozone concentrations. ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
Climate is one of the major factors controlling agricultural productivity in Africa. Changes in meteorological variables such as rising temperatures, changes in precipitation and increase in atmospheric carbon dioxide ...
(Research report / Forskningsrapport, 2001)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2009)
European emission trends of nitrogen oxides since 1880 and up to present are presented here and are linked to the evolution of road transport emissions. Road transport has been the dominating source of NOx emissions since ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2020)
The Iranian plateau is one of the most complex geodynamic settings within the Alpine-Himalayan belt. The Paleo-Tethys and Neo-Tethys ocean subduction is responsible for the formation of several magmatic arcs and sedimentary ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
Although partial melt in the asthenosphere is important geodynamically, geophysical constraints on its abundance remain ambiguous. We use a database of seamounts detected using satellite altimetry to constrain the temporal ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2010)
This paper studies the optimum signal choice for the estimation of the aortic blood pressure via aorta radius, using a monostatic radar configuration. The method involves developing the Cramér-Rao lower bound (CRLB) for a ...
(Research report / Forskningsrapport, 2007)
Institute report series. Universitetet i Oslo. Institutt for geofysikk; 132(2007)
(Journal article / Tidsskriftartikkel / SubmittedVersion, 2017)
Background: Over the last two decades, progress in prevention and treatment of caries and periodontal diseases has been translated to better oral health and improved tooth retention in the adult population. The ageing ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2020)
It is critical for monthly water balance models (MWBMs) to achieve realistic hydrological modelling of total flow and its components (i.e. quick flow and baseflow) in practical application. Various methods have been developed ...
(Doctoral thesis / Doktoravhandling, 2018)
This PhD aims primarily to assess the long-term sealing capabilities of shaly seal rock units overlying potential adequate CO2 storage reservoirs. The motivation for the project has been that in order to reduce CO2 emissions ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
Concentration times in small and medium-sized basins (∼10–1000 km2) are commonly less than 24 h. Flood-forecasting models are thus required to provide simulations at high temporal resolutions (1 h–6 h), although time-series ...
(Doctoral thesis / Doktoravhandling, 2010)
Impact cratering is a fundamental process in the Solar System, and on solid planetary bodies like Mars and the Moon, impact cratering may be the most prominent landforming process. On the Earth several processes compete ...
(Doctoral thesis / Doktoravhandling, 2016)
In plate tectonics scientists study the present and past motions of the lithospheric plates over the Earth’s surface. The reconstruction of the location and orientation of the continents and oceans in deep time is referred ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
Glacier dynamics play an important role in the mass balance of many glaciers, ice caps and ice sheets. In this study we exploit Radarsat-2 (RS-2) Wide Fine (WF) data to determine the surface speed of Svalbard glaciers in ...
(Research report / Forskningsrapport, 2000)
Institute report series. Universitetet i Oslo. Institutt for geofysikk; 117(2000)
(Doctoral thesis / Doktoravhandling, 2014)
Quick clay is a known hazard in formerly-glaciated coastal areas in e.g., Scandinavia and Canada, and hence significant efforts are being taken to map their occurrence and extent. Quick-clay landslide prone areas are usually ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
The Lower Miocene Nukhul Formation was deposited early during early stages of Gulf of Suez rifting. Outcrop of this Formation at Gebel el Zeit, Egypt is up to 100 m (328 ft) thick and consist of lower sandstone-dominated ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
Seismic reflection data along volcanic passive margins frequently provide imaging of strong and laterally continuous reflections in the middle and lower crust. We have completed a detailed 2‐D seismic interpretation of the ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
Here we use an Earth system model with interactive biogeochemistry to project future ocean biogeochemistry impacts from the large-scale deployment of three different radiation management (RM) climate engineering (also known ...
(Master thesis / Masteroppgave, 2005)
Hammerfestbassenget ligger i bassengprovinsen sør i det vestlige Barentshavet og er et sammensatt sedimentærbasseng, 70 km bredt og 150 km langt, som utviklet seg fra sen jura til tidlig kritt. Prøvesettet i denne ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
Basal pressure has been recorded at the Svartisen Subglacial Laboratory, northern Norway, for 20 years, and is measured by load cells installed at the ice–rock interface under ∼200 m of glacier ice. Synchronous pressure ...
(Doctoral thesis / Doktoravhandling, 2018)
The PhD thesis is a collection of four articles that investigate the controls of syn- and post-kinematic faulting on reservoirs. Case studies from the Barents Shelf are presented (Svalbard and the Hammerfest Basin). Offshore ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2020)
Hybrid hydropower and floating photovoltaic power generation has far-reaching effects on the intertwined water, food and energy (WFE) nexus, but the complementary operation is fundamentally challenging especially under ...
(Master thesis / Masteroppgave, 2007)
Snow avalanches are a common hazard experienced in many mountainous environments around the world during the winter months. It is therefore often of great importance to be able to predict these events to reduce the risk ...
(Master thesis / Masteroppgave, 2006)
Abstract
Cenozoic sedimentary successions along the passive continental margins of the Atlantic Ocean are of central importance in petroleum exploration. The aim of the present study has been to improve the understanding ...
(Master thesis / Masteroppgave, 2008)
The chemical transport model Oslo CTM2 has been used to test two different parameterizations of the black carbon (BC) aerosol. Key uncertainties associated with the representation aerosols in modeling are size distribution, ...
(Master thesis / Masteroppgave, 2008)
Many areas at the foot of steep rocks are subject to periodic falls as shown by the presence of abundant stone accumulations, called talus. Taluses are relatively common formations that may occur at rather different scales: ...
(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 ...
(Master thesis / Masteroppgave, 2005)
The aim of the present study has been to gather and handle data from a sandstone outcrop as an analogue for a hypothetical fluvial sandstone reservoir. Reservoirs generally have a limited set of data and number of data ...
(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 ...
(Master thesis / Hovedoppgave, 2007)
Oslomarka er en fellesbetegnelse på området som ligger i fem fylker og 19 kommuner øst, sørøst, vest og nord for Oslo. Totalt dekker Oslomarka et område på 0,4 % av Norges areal, men er et potensielt friluftslivs- og ...
(Master thesis / Masteroppgave, 2008)
ABSTRACT
The current study reveals the transgressive-regressive sequences and depositional environments of Paleogene Frysjaodden and Hollendardalen formations recorded in the Central Tertiary Basin of Spitsbergen. In ...
(Master thesis / Masteroppgave, 2006)
Sammendrag
Interessen for landskapets ressurser er økende både nasjonalt og internasjonalt. Dette kommer til uttrykk i den europeiske landskapskonvensjonen, en konvensjon Norge var et av de første landene til å signere ...
(Master thesis / Masteroppgave, 2007)
I denne oppgaven er det utført en nedsynkningsanalyse av Oslo og omegn, basert på ERS SAR satellittbilder fra perioden 1992 til 2000. Analysene er utført med PSInSAR-teknikken som muliggjør interferometriske undersøkelser ...
(Master thesis / Masteroppgave, 2005)
I denne oppgaven brukes digital fotogrammetri til å lage terrengmodeller over
Fridtjovbreen på Svalbard. Breen er dekket av flybilder over et tidsspenn fra
1936 til 1990.
Lite er kjent av den indre geometrien i kameraet ...
(Master thesis / Masteroppgave, 2008)
(Master thesis / Masteroppgave, 2019)
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2017)
Clastic eruptions are the surface expression of piercement structures such as mud volcanoes or hydrothermal vent complexes and involve subsurface sediment remobilisation and fluid flow processes. During these eruptions, ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2011)
We process seismic broad-band data from southern Norway by cross correlation of ambient seismic noise in view of getting a better image of the crustal structure in the area. The main data set sterns from the temporary ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
The global circulation driven solely by relaxation to an idealized surface temperature profile and to interior mixing is examined. Forcing by winds and evaporation/precipitation is excluded. The resulting circulation ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2008)
The deployment of temporary arrays of broadband seismological stations over dedicated targets is common practice. Measurement of surface wave phase velocity across a small array and its depth-inversion gives us information ...
(Doctoral thesis / Doktoravhandling, 2012)
(Master thesis / Hovedoppgave, 1973)
(Master thesis / Masteroppgave, 2014)
The uppermost Ordovician (Hirnantian) of the Oslo Region has been studied at three selected outcrops in the Husbergøya, Langøyene and Solvik formations on the islands Hovedøya, Rambergøya and Langøyene in the inner Oslofjord. ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2007)
During the last twenty-five years European emission data have been compiled and reported under the Cooperative Programme for Monitoring and Evaluation of the Long-range Transmission of Air Pollutants in Europe (EMEP) as ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2020)
Understanding of the vegetation dynamics is essential for addressing the potential threats of terrestrial ecosystem. In recent years, the vegetation coverage of the Yangtze River Basin (YRB) has increased significantly, ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
Large amounts of CO2 have to be captured, transported, injected and safely stored in the subsurface in order to counteract increasing atmospheric CO2 concentrations due to steadily high consumption of energy from fossil ...
(Doctoral thesis / Doktoravhandling, 2016)
(Master thesis / Masteroppgave, 2004)
An attempt was made to identify the degree and main control of early diagenesis. It was evident that the more porous, channel sandstone units provided a better pathway for fluidflow and were thus subject to a greater degree ...
(Master thesis / Masteroppgave, 2010)
Abstract
This study describes the contribution of anthropogenic factors for groundwater pollution in the urban environment of developing countries. Dire Dawa is one of the oldest urbanized and densely populated city in ...
(Research report / Forskningsrapport, 2000)
From May 21-27, 1999, a wide-angle seismic experiment was carried out in the Skagerrak Graben. The experiment was a combined effort of the department of Geology, University of Oslo and Geomar, Kiel (as partners in the ...
(Master thesis / Hovedoppgave, 2005)
The situation in the Middle East has over the last centuries received much attention from the international community. There is a long history of disputes over natural resources like oil and land in the Middle East, and ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2012)
We use ambient seismic noise and earthquake recordings on a temporary regional network in southern Norway to produce Rayleigh and Love wave phase velocity maps from 3 to 67 s period. Local dispersion curves are then jointly ...
(Journal article / Tidsskriftartikkel / SubmittedVersion, 2014)
River ice breakup has many socio-economic and ecological implications that primarily result from the formation and release of major ice jams. A key driver of breakup processes is the river discharge, but the presence of ...
(Journal article / Tidsskriftartikkel / SubmittedVersion, 2014)
A number of acquisition constellations for airborne or spaceborne optical images involve small time-lags and produce near-simultaneous images, a type of data which has thus far been little exploited to detect or quantify ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
The international research project RECONCILE has addressed central questions regarding polar ozone depletion, with the objective to quantify some of the most relevant yet still uncertain physical and chemical processes and ...
(Research report / Forskningsrapport, 1990)
Institute report series. Universitetet i Oslo. Institutt for geofysikk; 78(1990)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
Sorted soil circles are a form of periglacial patterned ground that is commonly noted for its striking geometric regularity. They consist of an inner fine domain bordered by gravel rings that rise some decimetres above the ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
Ozone and methane are chemically active climate-forcing agents affected by climate–chemistry interactions in the atmosphere. Key chemical reactions and processes affecting ozone and methane are presented. It is shown that ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
The Secchi depth and its relationships to other properties of the sea water in the Oslofjord–Skagerrak area have been investigated. White and black disks of different sizes have been applied, and the Secchi depth has been ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
We present a multi-temporal digital inventory of Svalbard glaciers with the most recent from the late 2000s containing 33 775 km2 of glaciers covering 57% of the total land area of the archipelago. At present, 68% of the ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2011)
SUCCESS is a Center for Environmental Energy Research in Norway and performs research related to geological storage of CO2 in the subsurface. The SUCCESS centre is established by the Research Council of Norway together ...
(Doctoral thesis / Doktoravhandling, 2018)
The study area is located north of Iceland in the Jan Mayen-East Greenland area, NE Atlantic. It has a number of magmatic productions. Magmatism in Iceland is related to a mantle plume bringing hot mantle up from deeper ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
In recent years, water shortage is becoming one of the most serious problems in the Poyang Lake. In this paper, the long-term water balance items of the Poyang Lake have been analyzed to reveal the coupling effects of Three ...
(Doctoral thesis / Doktoravhandling, 2010)
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2018)
Benthic macrofauna is one of the most widely used biological groups to assess the ecological status of marine systems. Lately, attention has been paid to similar use of benthic foraminifera. In this study, distribution ...
(Doctoral thesis / Doktoravhandling, 2017)
Europe has warmed faster than the rest of the globe during the last decades, especially when considering trends for each season separately. In addition to warming caused by greenhouse gas emissions, the atmospheric circulation ...
(Doctoral thesis / Doktoravhandling, 2016)
Permafrost is present in several parts of Norway and contributes to binding mountain rock walls together, as well as storing potential greenhouse gasses as organic carbon in mires. Global climate changes influence the ...
(Doctoral thesis / Doktoravhandling, 2009)
Four hundred million years ago, rocks that are found along the present day Norwegian coast were situated in the deep root underneath a huge mountain range. Through movements of the Earth’s crust that are caused by stresses ...
(Journal article / Tidsskriftartikkel / PublishedVersion, 2014)
Mass loss from glaciers and ice sheets currently accounts for two-thirds of the observed global sea-level rise and has accelerated since the 1990s, coincident with strong atmospheric warming in the Polar Regions. Here we ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2020)
Numerous efforts have been made to separate effects of climate change and human activities on long-term runoff change, including a commonly used method based on the Budyko complementary relationship (BCR) to deal with the ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
A supersaturated fluid flowing over a reactive, rough surface leads to complex precipitation patterns. We study the growth and interaction between discrete precipitates along a reactive wall in a nonlaminar channel flow. ...
(Book / Bok / PublishedVersion; Peer reviewed, 2007)
In this, the first of six volumes, the main results of the excavations which the University of Oslo carried out at Kaupang 1998–2003 are presented. A completely new picture is put forward of the port that Ohthere (Óttarr) ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
This is the first study to determine the density of questing Ixodes ricinus in northern Norway. It was performed at two sites in Brønnøy, which has been known for its tick permissive habitats for decades and is one of the ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2011)
[1] Subcritical cracking behavior and surface energies are important factors in geological processes, as they control time-dependent brittle processes and the long-term stability of rocks. In this paper, we present ...
(Doctoral thesis / Doktoravhandling, 2008)
The thesis investigates and proposes a suitable form of collecting, organizing and analysing landslide data in order to improve the knowledge of landslide processes in Central America. The study recommends the organization ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
The internal response in a stratified, partially enclosed basin subject to semi-diurnal tidal forcing through a narrow entrance is investigated. The site is located above the critical latitude where linear internal waves ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2021)
Hyperpycnal flows have been widely described in different lacustrine and marine environments but sedimentary structures and fossil content in hyperpycnites often offer limited information about the palaeoenvironmental ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
We have evaluated the magnitude and makeup of error in cryospheric radiation observations due to small sensor misalignment in in situ measurements of solar irradiance. This error is examined through simulation of diffuse ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
(Doctoral thesis / Doktoravhandling, 2015)
(Doctoral thesis / Doktoravhandling, 2022)
Atmospheric carbon has fluctuated considerably over geological time with solar, tectonic, and biological forcings driving changes in concentrations. However, reconstructions of past atmospheric CO2 concentrations have high ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
In recent years extreme winter warming events have been reported in arctic areas. These events are characterized as extraordinarily warm weather episodes, occasionally combined with intense rainfall, causing ecological ...
(Research report / Forskningsrapport, 1994)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
It is generally accepted that drought is one of the most costly weather‐related natural hazards. In 2015, a long‐lasting drought hit Europe, particularly affecting central and eastern Europe. In some regions it was the ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
Pore pressure in fine-grained rocks is important with respect to drilling problems such as kicks, blowouts, borehole instability, stuck pipe and lost circulation. In this study, a succession of overpressured, fine-grained, ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2012)
In characterizing subsurface reservoirs for CO2 storage, the geological heterogeneity distribution is of importance with respect to the injectivity and migration paths. The object of this study is a saline aquifer of ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
In permafrost environments exposed to strong winds, drifting snow can create a small-scale pattern of strongly variable snow heights, which has profound implications for the thermal regime of the ground. Arrays of 26 to ...