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Now showing items 201-300 of 2336
(Master thesis / Masteroppgave, 2008)
Fordampningsberegninger for Aursunden (690m.o.h.), Sør-Trøndelag, er utført for fordampningssesongen 2000. Instrumenteringen inkluderte en flåte med en metrologisk stasjon, en metrologisk stasjon nær sjøen, kontinuerlige ...
(Master thesis / Masteroppgave, 2007)
Abstract
The study was mainly focused on the development of the Late Cenozoic shelf outbuilding in the northern North Sea and offshore mid-Norway. Principles of seismic sequence stratigraphy were applied as a tool to ...
(Master thesis / Hovedoppgave, 2004)
The Caledonian Orogen in East Greenland comprises an autochthonous basement complex overlain by a Late Proterozoic to Early Proterozoic cover sequence with a regionally extensive thrust sheet complex on top. The thrust ...
(Master thesis / Masteroppgave, 2005)
Oppgavens målsetting er å analysere den relative påvirkning naturressursene hadde for hvordan Kongo-krigen oppstod og utviklet seg. Den Demokratiske Republikken Kongo (DRK) er et av verdens mest naturressurs rike land, men ...
(Master thesis / Masteroppgave, 2010)
During the last decades, the Norwegian method of tunneling has been reviewed and continuously updated with the latest information and research results available. Despite the effort of making the practice of tunnel construction ...
(Master thesis / Hovedoppgave, 2007)
An assessment of extreme hydrological low flow and drought events is of vital importance to water resources management. One way to reduce the uncertainty in the estimate of the extreme events is to use a regional dataset ...
(Master thesis / Hovedoppgave, 2004)
The Imsdalen Submarine Fan Complex is a gravel and coarse sand dominated turbidite fan system. The fan complex was deposited in the Neoproterozoic Hedmark rift basin close to a basin margin bordered by the Imsdalen Fault. ...
(Master thesis / Masteroppgave, 2008)
In this thesis I have studied several factors influencing the time average atmospheric circulation. The study introduced changes to the thermal and orographic forcing by altering and removing the heat sources and topography. ...
(Master thesis / Hovedoppgave, 2004)
Orographically enhanced winds near the coast of Norway were investigated by changing the height of the orography. Two cases were chosen, one for Stad (Sta97) and one for Jæren (Jæ96), both being winter situations with ...
(Master thesis / Hovedoppgave, 2005)
Store fjellskred har ført til noen av de verste naturkatastrofene vi kjenner til i Norge. International Centre for Geohazards (ICG) har funnet flere lokaliteter i Møre og Romsdal, Sogn og Fjorande og Troms-fylke som ...
(Master thesis / Masteroppgave, 2008)
The Eocene Ainsa Basin is situated in the central south Pyrenees formed by collision of the Iberian plate with the Eurasien plate during Late Cretaceous to early Miocene times. The basin was formed due to movements of the ...
(Research report / Forskningsrapport, 2007)
Vurdering av utslippsdata rapportert til Konvensjonen for langtransportert luftforurensning i 2007
(Master thesis / Masteroppgave, 2007)
Change in glacier extent is a good indication of climate change. Inventories for glaciated areas should therefore be made at certain intervals. For New Zealand a digitized glacial inventory including both the two main ...
(Master thesis / Masteroppgave, 2008)
Orografiske effekter kan påvirke vinden. Saltfjorden er omgitt av fjell og komplekst terreng. For å undersøke hvordan vinden her blir påvirket av topografien ble vinden i fjorden sammenliknet med vinden på Tennholmen fem ...
(Master thesis / Masteroppgave, 2005)
Combination of field studies and analytical techniques provides the basis for unravelling the tectonic evolution of the continental crust. Here field studies together with the ID-TIMS method for U/Pb-dating have been applied ...
(Research report / Forskningsrapport, 2006)
An infrared heating lamp has been used as the driving force in laboratory experiments simulating the thermohaline circulation of the world ocean. The radiative energy from the lamp absorbed at different depths in the ...
(Research report / Forskningsrapport, 2002)
(Research report / Forskningsrapport, 2004)
(Research report / Forskningsrapport, 2006)
(Master thesis / Masteroppgave, 2006)
I denne oppgaven brukes ArcGIS, ArcSDE og Oracle Spatial for å implementere
et distribuert system for lagring av geografisk data ved Universitetet i Oslo. Den
geografiske informasjonen er lagret i såkalt SOSIformat.
Den ...
(Master thesis / Masteroppgave, 2007)
Rifting of the Paleozoic Gondwana supercontinent during Mesozoic time ended eventually with the breakup of Africa and South America, leading to passive margin formation and to the creation of the South Atlantic Ocean (e.g. ...
(Master thesis / Masteroppgave, 2008)
Feltarbeid regnes som en essensiell del av geografiutdanningen. Feltarbeid, førstehåndserfaringer tilegnet i et feltområde, blir beskrevet og diskutert for å gi et innblikk i en av geografiundervisningens viktigste metoder. ...
(Master thesis / Hovedoppgave, 2007)
Formålet med oppgaven har vært å finne ut hvorvidt topografiske parametre kan gi et nyttig bidrag til vegetasjonskartleggingen i norske fjellandskap. Det har vært forsøkt å finne ut om vegetasjonsmønsteret styres av ...
(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 ...
(Master thesis / Hovedoppgave, 2008)
Abstract
Velocity anisotropy referse the directional inequality of velocity on the subsurface. Often sedimentary rocks are anisotropic and occurse at all scales from core plugs to reservoirs. In this thesis velocity ...
(Master thesis / Hovedoppgave, 2003)
Abstract
This work focuses on the two towns most exposed for flooding in Norway: Lillestrøm which lies alongside Lake Øyeren, and Hamar which is situated near Norway’s largest lake, Mjøsa. The main objective of this work ...
(Master thesis / Hovedoppgave, 2004)
English abstract
This thesis was written on the purpose of identifying and characterising a hydrothermal vent complex, associated with sill complexes at lower stratigraphic levels. The studied hydrothermal vent complex, ...
(Master thesis / Hovedoppgave, 2007)
Gråelva ligger i Nord-Trøndelag fylke, Stjørdal kommune. Feltarealet er på 47 km2 ved målestasjonen 124.15 Børstad. Gråelva renner gjennom Skjelstadmarka, et område med store kjente forekomster av kvikkleire. Gråelva har ...
(Master thesis / Masteroppgave, 2008)
As global warming causes both glaciers and sea ice to decay, increased freshwater flux into the North Atlantic is expected. In addition precipitation at high latitudes is predicted to increase under global warming as well, ...
(Master thesis / Masteroppgave, 2008)
Snøskred er en av de største naturfarene i Norge, og varsling av snøskredfare er viktig for å unngå skader på mennesker, bygninger og infrastruktur. Denne studiens formål var å vise hvordan romlige analyser ved hjelp av ...
(Master thesis / Hovedoppgave, 2005)
In spite of increasing surface temperatures, a falling trend in surface insolation has been observed over the past 50 years at stations worldwide, and a link to anthropogenic aerosols has been suggested. In the present ...
(Master thesis / Masteroppgave, 2007)
TBT has been widely used for decades as the dominant composition of antifouling paints. The toxicity of TBT on aquatic life is very serious and many studies have shown that TBT can be lethal to aquatic organisms at quite ...
(Master thesis / Hovedoppgave, 2007)
Debris flows in the Venezuelan Andes are common geomorphologic processes that reflect the sediment supply capacity of this regional mountain system. In this study a regional model for potential debris flows on soil and ...
(Master thesis / Hovedoppgave, 2004)
(Master thesis / Hovedoppgave, 2005)
Nordre Rena er gjennom de siste hundre åra utsatt for betydelige inngrep. Dette omfattet bl.a. erosjonssikring, forbygning, senkning, utretting og kanalisering. Målet i denne oppgava er å finne ut om elva er i likevekt, ...
(Master thesis / Masteroppgave, 2007)
(Master thesis / Hovedoppgave, 2007)
Sammendrag
Flom påfører i dag samfunnet store økonomiske tap. For å kunne forebygge og begrense disse skadene mest mulig er et godt analyseverktøy nødvendig. Slik at man f.eks. unngår å bygge eller tilpasser bygg på ...
(Master thesis / Hovedoppgave, 2005)
Abstract
The Goliath discovery which occurs proximal in he Hammerfest Basin is particular for its size and it contents of oil, whilst other traps in the Hammerfest Basin are largely containing gas/condensate and generally ...
(Master thesis / Masteroppgave, 2007)
This study comprises a geological reservoir characterization of paralic sandstone deposits with a case study of the Upper Jurassic Louriñha Formation in the Lusitanian Basin, which is an Atlantic rift basin located in ...
(Master thesis / Hovedoppgave, 2004)
Since its development in 1974 the Q-system for classifying rock masses has readily been used for dimensioning support measures in underground excavations in Norway and internationally. The Q-system, as it was originally ...
(Master thesis / Hovedoppgave, 2005)
(Master thesis / Masteroppgave, 2006)
Abstract
The Lillehammer Submarine Fan Complex is a mixed mud/sand rich turbidite fan system. The fan complex was deposited in the Neoproterozoic Hedmark rift basin from west towards east extending at least 50 km from the ...
(Master thesis / Masteroppgave, 2007)
Late Ordovician-Early Silurian magmatism, probably in a continental arc setting, was responsible for the generation of the Hurry Inlet Granite batholith of Liverpool Land, East Greenland. The emplacement of this batholith ...
(Master thesis / Masteroppgave, 2007)
En sedimentkjerne fra Bunnefjorden er blitt analysert for dinoflagellatcyster. Rensetiltak har ført til reduksjon av næringsstoff tilførslen til indre Oslofjord de siste 10 år. Resultat av analysen viser en forventet ...
(Master thesis / Hovedoppgave, 2001)
Oppgaven omhandler klassifikasjon av terrengparametere, såkalt relieffklassifikasjon, for automatisk landformkartlegging. Som bakgrunn for dette ligger antagelsen om at det eksisterer en sammenheng mellom overflateprosess ...
(Master thesis / Hovedoppgave, 2004)
The spring flood is a multivariate event that can be characterized by the floodcharacteristics peak discharge, duration and volume. Traditionally these flood characteristics have been modelled separately, but by modelling ...
(Master thesis / Masteroppgave, 2007)
Abstract
On a sunny, cloudless day we often recognize condensation trails (contrails) behind jet aircrafts as narrow, white stripes. Contrails form as a mixture of warm, humid exhaust gases and colder, drier air exceeds ...
(Master thesis / Masteroppgave, 2005)
ABSTRACT
This thesis focuses on the structural evolution of the offshore part of the Oslo Rift, the Skagerrak Graben, with special emphasis on:
• Interpretation of the main seismic sequences in the Skagerrak Graben (pre- ...
(Master thesis / Hovedoppgave, 2004)
Abstract
This thesis is written as a part of the Cand. Scient. degree at the Institute for Geosciences at the University of Oslo.
Traditionally, age determinations of late Cretaceous chalks in the Central Graben in the ...
(Master thesis / Masteroppgave, 2007)
Glaciers and ice masses are very important components of the earth system both in terms of global water storage and as climate indicators. The amount of water tied up in glaciers and ice caps is equivalent to about 69 ...
(Master thesis / Masteroppgave, 2006)
The Barents Sea has experienced several different tectonic phases where three major post-Caledonian rifting periods can be identified, namely Late Devonian Carboniferous, Middle Jurassic Early Cretaceous, and Early Tertiary. ...
(Master thesis / Masteroppgave, 2006)
Well log derived data and geotechnical core measurement results have been compared.
(Master thesis / Masteroppgave, 2005)
Abstract
Debris flows represent a major threat to human life and property. Due to their ability of entraining material and reaching long run-outs, they have a potential of causing massive damage.
There are many studies ...
(Master thesis / Hovedoppgave, 2005)
Målet for oppgaven var å lage en distribuert graddagsmodell for Høganesbreen og Gruvefonna ved Sveagruva på Svalbard. Deretter ville man undersøke om høydeendringen på breene kunne forklares av akkumulasjon og ablasjon, ...
(Master thesis / Hovedoppgave, 2007)
Formålet ved undersøkelsen i Ottadalen, som strekker seg fra Otta til Skjåk, er å undersøke når området ble isfritt, og å beskrive den tidlige vegetasjonsutviklingen etter at isen forsvant. Dette gjelder både vertikalt og ...
(Master thesis / Hovedoppgave, 2005)
Aerosols may affect the atmosphere and climate
in different ways. Greenhouse gases, Carbondioxide for instance,
tend to heat the atmosphere because of the greenhouse effect. Aerosol particles however such as sulphat, can ...
(Master thesis / Masteroppgave, 2005)
The aim of this study is to compare oils from known biodegraded fields offshore Norway to waxes and oils from an artificial cavern storage facility, to determine if the oil degradation processes observed in natural reservoirs ...
(Master thesis / Masteroppgave, 2008)
Subsurface storage of carbon dioxide is often considered one of the most promising ways of reducing atmospheric levels of CO2. The safety of the operation is closely related to the performance of caprocks overlying the ...
(Master thesis / Masteroppgave, 2006)
There have been many opinions on the definition of solifluction since the expression was first used by J. G. Andersson in 1906. The original definition was “slow flowing from higher to lower ground of masses of waste ...
(Master thesis / Masteroppgave, 2008)
(Master thesis / Hovedoppgave, 2007)
Estimation of extreme floods, based on statistical analyses of observed values of flood series, is associated with several problems leading to high uncertainty in the flood estimates. In particular is this related to the ...
(Master thesis / Masteroppgave, 2010)
A succession of crater infill sediments is preserved within the Ritland impact structure. Ritland is good example of a small depositional basin where a range of processes from debris flows to turbiditic currents and finally ...
(Master thesis / Masteroppgave, 2007)
Diatom analyses were carried out on two sediment cores, one from the North Labrador Sea and one from Davis Strait, West Greenland, in order to investigate Holocene climatic variability in relation to ocean circulation. ...
(Master thesis / Hovedoppgave, 2005)
Vassdragene er en verdifull ressurs for mange ulike brukerinteresser, og utgjør livsnerven i en mangfoldig vassdragsnatur. Å forvalte Norges særegne vassdragsmiljø, er en kompleks og utfordrene oppgave som innebærer bred ...
(Master thesis / Hovedoppgave, 2004)
The 40 km diameter Mjølnir Crater was formed 142 ± 2.6 Ma (Volgian-Ryazanian boundary) by the impact of a 1.6 km diameter asteroid into the 350-400 m deep paleo-Barents Sea. The structure is buried and well preserved in ...
(Master thesis / Hovedoppgave, 2007)
I denne oppgaven undersøkes mulighetene for å bruke satellittfjernanalyse til kartlegging av snøskred som har gått.
Det gjøres en teoretisk kartlegging av aktuelle metoder. Ulike sensortyper og deres egnethet for formålet ...
(Master thesis / Hovedoppgave, 2005)
Denne oppgaven er et forsøk på å relatere isbreers masse- og energibalanse ved å studere kuldemagasinets innvirkning på smeltinga. Data ble samlet inn fra Austfonna (8105 km2) våren 2004 og 2005. Massebalansedata herfra ...
(Master thesis / Masteroppgave, 2007)
Abstract
Mineralogical and chemical analysis of alum shale and black shale samples were done using the XRD, XRF, sulfur chemical analysis, petrographic and scanning electron microscopy. Samples from two study areas in the ...
(Master thesis / Masteroppgave, 2005)
Numerical modelling of GPR wave propagation is becoming more and
more important. The ability to build complex models to mirror
complex subsurface structures can improve our understanding of how
electromagnetic waves are ...
(Master thesis / Masteroppgave, 2008)
Hygroskopiske aerosolpartikler sveller i fuktige omgivelser. Ammoniumsulfat er et eksempel på en hygroskopisk aerosolpartikkel, og den sveller ikke-lineært ved relativ fuktighet over 81%. Svelling øker den optiske tykkelsen ...
(Master thesis / Masteroppgave, 2007)
The Lusitanian Basin in Portugal is an Atlantic margin rift basin on the western side of the Iberian plate positioned north of Lisbon. The basin contains, among several other formations, the Upper Jurassic Louriñha Formation ...
(Master thesis / Masteroppgave, 2007)
In October 2005, massive slope failures were triggered all around Guatemala by the heavy rainfall that accompanied Hurricane Stan and unchained a series of landslides, debris flows and lahars. Two communities called Panabaj ...
(Master thesis / Masteroppgave, 2005)
Stabiliteten i hengebreer avhenger av tre sentrale faktorer. Helningen på underlaget til breen, temperaturen i bakken rundt breen og temperaturen i selve breen. Det er forsøkt å kartlegge disse faktorene for Nedre Steindalsbre ...
(Master thesis / Hovedoppgave, 2007)
Dagsjøen ligger 163 meter over havet, og er en av 28 grytehullsjøer som ligger på Hauersetertrinnet (Gardermoen) i Ullensaker kommune, Akershus fylke. Hauersetertrinnet ble dannet da det sen-weichelske isdekket hadde et ...
(Master thesis / Masteroppgave, 2006)
The South Atlantic rift system developed during the Mesozoic breakup of Africa and South America. These continental masses belonged to the Gondwana Palaeozoic super-continent.
Rifting started in the south, and propagated ...
(Master thesis / Masteroppgave, 2008)
Abstract
The effect of tropospheric ozone as an air pollutant is normally simulated using regional or urban scale computer models, while global models often are used to study the role of ozone as a greenhouse gas. The ...
(Master thesis / Masteroppgave, 2008)
Abstract
A two-layer system with a deep lower layer in a semi-infinite ocean is investigated theoretically. Tidal forcing is applied, and expressions for an internal Kelvin wave are derived. Terms of second order in wave ...
(Master thesis / Hovedoppgave, 2004)
A re-description and a re-classification is made for the plesiosaur specimen PMO A 27745 previously identified in 1962 as Tricleidus svalbardensis Persson.
In all probability the fossil is from the Slottsmøya Member of ...
(Master thesis / Hovedoppgave, 2004)
Store deler av Svalbard var i tidsrommet sen trias mellom jura en grunn shelf med kondensert sedimentasjon. Knorringfjellformasjonen representerer avsetningene fra denne perioden i sentrale deler av Spitsbergen. Vekslende ...
(Master thesis / Hovedoppgave, 2003)
To learn more about the fluids that were present in the Canary Islands oceanic crust during the magmatism, fluid inclusions in gabbroic xenoliths from Lanzarote and La Palma have been studied. The fluids were originally ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2017)
We use numerical simulations to investigate the evolution of sheath folds around slip surfaces in simple‐shear‐dominated monoclinic shear zones. A variety of sheath fold shapes develops under general shear, including tubular ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
An updated magnetic anomaly grid of the NE Atlantic and an improved database of magnetic anomaly and fracture zone identifications allow the kinematic history of this region to be revisited. At break-up time, continental ...
(Doctoral thesis / Doktoravhandling, 2019)
In the Late Neoproterozoic the supercontinent Rodinia started to disintegrate, and the continents Baltica and Laurentia began to rift apart to form the Iapetus Ocean. Early stages of subsidence caused by ductile stretching ...
(Master thesis / Masteroppgave, 2018)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
The climate research community uses atmospheric reanalysis data sets to understand a wide range of processes and variability in the atmosphere, yet different reanalyses may give very different results for the same diagnostics. ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2016)
Global sea level has changed cyclically throughout Earth's history due to a variety of mechanisms that operate on a variety of timescales. Here we attempt to place constraints on the “actual” number of sea-level cycles ...
(Research report / Forskningsrapport, 2018)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
Satellite measurements of coseismic displacements are typically based on synthetic aperture radar (SAR) interferometry or amplitude tracking, or based on optical data such as from Landsat, Sentinel-2, SPOT, ASTER, very ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2011)
During the POLARCAT summer campaign in 2008, two episodes (2–5 July and 7–10 July 2008) occurred where low-pressure systems traveled from Siberia across the Arctic Ocean towards the North Pole. The two cyclones had extensive ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
Observations at surface sites show an increase in global mean surface methane (CH4) of about 180 parts per billion (ppb) (above 10 %) over the period 1984–2012. Over this period there are large fluctuations in the annual ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
Abstract. The climate in Svalbard is undergoing amplified change compared to the global mean. This has major implications for runoff from glaciers and seasonal snow on land. We use a coupled energy balance–subsurface model, ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2006)
A method for assimilating remotely sensed snow covered area (SCA) into the snow subroutine of a grid distributed precipitation-runoff model (PRM) is presented. The PRM is assumed to simulate the snow state in each grid ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
Glaciers are crucial in many countries where meltwater from glaciers is an important source of water for drinking water supply, irrigation, hydropower generation and the ecological system. Glaciers are also important ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
The Larvik Plutonic Complex (LPC) contains pegmatites with a wide array of mineral assemblages and morphological features. The pegmatites have traditionally been described as nepheline syenite and syenite pegmatites which ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2008)
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 / PublishedVersion; Peer reviewed, 2015)
The main purpose of this study is to test the hypothesis that, with appropriate structures, increasing model complexity with the same model concepts would lead to an increase in the model efficiency in simulating either ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
This article focuses on the effect of dispersion in the field of tsunami modeling. Frequency dispersion in the linear long-wave limit is first briefly discussed from a theoretical point of view. A single parameter, denoted ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
Measurements of atmospheric nitrogen oxides NOx (NOx = NO + NO2), peroxyacetyl nitrate (PAN), NOy, and non-methane hydrocarbons (NMHC) were taken at the Greenland Environmental Observatory at Summit (GEOSummit) station, ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
This study investigates the dissipation rates and flow conditions at the Drøbak Sill in the Oslofjord. The area was transected 13 times with a free-falling microstructure shear probe during 4 days in June 2011. At the same ...