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Now showing items 301-400 of 2332
(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)
SAMMENDRAG
Oppgavens hydrologiske problemstilling er knyttet til Maridalsvassdragets nedbørfelt i Oslo. Det 255 km² store feltet har 26 regulerbare magasiner og er et typisk Østlandsvassdrag med snøsmelteflommer og ...
(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, 2006)
Abstract
Stabilizing mercury is still a major challenge throughout the world and no consensus has been reached on the safe disposal of mercy until now. Several methods have been suggested on how to stabilize mercury ...
(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 / Masteroppgave, 2008)
Due to its topography and geological history, Norway is subject to high landslide hazard. On the 20th of June, 1996, a submarine land failure near the village of Finneidfjord (Mid-Norway) developed into a retrogressive ...
(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, 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 ...
(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 / 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, 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 / 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, 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, 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 / Masteroppgave, 2008)
ABSTRACT
Mixed siliciclastic carbonate rocks of Lower Eocene age are studied in the eastern part of the Ainsa Basin, Southern Pyrenees. These deposits generally show an upward coarsening and shoaling trend followed by ...
(Master thesis / Hovedoppgave, 2004)
I dette hovedfagsarbeidet gir en stratigrafisk oversikt og faciestolkning av Melke- og Spekkformasjonen fra brønn 6507/7-5, basert på foraminiferanalyser kombinert med data fra organisk geokjemi, for å belyse avsetningsmiljøet ...
(Master thesis / Masteroppgave, 2008)
ABSTRACT
This master thesis involves the geological mapping, correlation and interpretation of the major fold-fault scheme and detail fracture analysis with emphasis on determining the structural evolution of the area ...
(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)
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, 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 / 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 ...
(Master thesis / Masteroppgave, 2006)
This study focuses on the Late Cenozoic development of the Mid-Norwegian continental margin, with emphasis on seismic sequence patterns and relative differential tectonic movements. Seismic stratigraphic framework has been ...
(Master thesis / Hovedoppgave, 2007)
I oppgaven sammenliknes egenskapene til digitale høydemodeller generert med henholdsvis TIN-algoritmen(Triangulated Irregular Network) samt Topogrid-interpolasjon(Splines-basert algoritme). Til dette formål benyttes digitale ...
(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 / 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)
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)
1 Abstract
A control run of 150 years for CCSM2 has been performed at the Norwegian
Meteorological Institute. In this run the external forcing(especially
radiation) were held constant, CO2 were held at the level of 1990. ...
(Master thesis / Masteroppgave, 2005)
This thesis focuses on how variations in snow water equivalent (SWE) and snow covered area (SCA) influence the process
of snowmelt on macro- and localscale and how this could be simulated with proper results in a hydrological ...
(Master thesis / Masteroppgave, 2008)
(Master thesis / Hovedoppgave, 2004)
(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 / 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, 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 / Masteroppgave, 2006)
Summary
Two catastrophic and destructive landslides happened as a consequence of a major earthquake on the midnight of June 20, 1990. Their morphology and dynamic analysis are scope of the present study.
The study area ...
(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 / Masteroppgave, 2007)
Abstract
This study uses multispectral Landsat satellite imagery and a high resolution Digital Elevation Model based on 1990/95 aerial stereoimagery (Norwegian Polar Institute) to map moraines and glacier terminus positions ...
(Master thesis / Masteroppgave, 2005)
Two intense cyclones over the North Atlantic during summer/autumn 2003 are investigated to determine atmospheric factors contributing to their development. One of the cases, in August 2003, led to heavy precipitation and ...
(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, 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, 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, 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 / 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 ...
(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 ...
(Doctoral thesis / Doktoravhandling, 2022)
A simplified Earth’s structure consists of three geological layers: a stiff lithosphere (plates), a mantle and a core. Like for an example your favorite yogurt, the rock in the solid mantle can be flowing, but it requires ...
(Doctoral thesis / Doktoravhandling, 2019)
This study presented in this doctoral thesis addresses the development of the Upper Jurassic Curtis Formation, outcropping in east-central Utah. The study suggests a separation of the Curtis Formation in three geological ...
(Master thesis / Hovedoppgave, 2006)
In sedimentary basins sills have a tendency to become emplaced in litholgies of lower mechanical competence, like shales, which can possess source rock qualities.
In this study has the thermal effects of thick sills on ...
(Master thesis / Hovedoppgave, 2003)
The use of petroleum inclusions in petroleum and reservoir geology is a relative new tool utilized to get a better understanding of petroleum generation and migration, paleo-fluid distribution in traps, and the organic ...
(Master thesis / Masteroppgave, 2006)
Gjennom all tid har menneskene prøvd å få vite så mye om Mars som mulig. Gjennom århundrene har forskerne alltid brukt den mest avanserte teknologien i sin tid. Før Galileo Galilei kunne vi bare observere med det bare øyet, ...
(Master thesis / Masteroppgave, 2005)
The risk associated with exposure to contaminants has, in recent years, drawn attention to the fate and transport of these contaminants in shallow marine sediments. It has been suggested that the transport of Hydrophobic ...
(Master thesis / Masteroppgave, 2007)
Oppgaven ser på muligheten for å benytte eldre flybilder med varierende kvalitet og temporal oppløsning for å detektere signifikant overflatedeformasjon i fjellsiden Torfastaðamelar, Hlíðarfjöll på Øst Island. Ved bruk av ...
(Master thesis / Masteroppgave, 2005)
The human influence on vegetation causes changes in the surface reflective properties.
By using MODIS land cover and MODIS surface albedo products, an estimation of radiative forcing due to surface
albedo changes caused ...
(Master thesis / Masteroppgave, 2006)
Abstract:
Accurate vegetation mapping is a crucial tool in the decision making process for the proper management of outfield areas. This thesis assesses the use of Landsat TM and ETM+ data for mapping the grazing quality ...
(Master thesis / Hovedoppgave, 2004)
Fronten av fire tidevannsbreer utgjør kalvingsbukta innerst i Van Keulenfjorden, en 43 km lang nordvest-sydøst orientert fjord sydvest på Spitsbergen. Zawadskibreen, Nathorstbreen, Liestølbreen og Doktorbreen går sammen ...
(Master thesis / Masteroppgave, 2005)
Seepage and slope stability issues concerning infiltration in unsaturated slopes are investigated and presented. 2-D finite element analyses are used to study the effects of the different hydraulic characteristics of a ...
(Master thesis / Masteroppgave, 2008)
Literature studies considering the determination of rockfall runout range have shown that the utilization of rigorous physical models yields significantly different results. This is primarily due to the fact that rockfall ...
(Master thesis / Hovedoppgave, 2005)
På vestre del av Ringkøbing-Fynhøyden, mellom Sentralgraben og Horngraben, går det et skillet fra kaledonsk basement til prekambisk basement. Skillet kartlegges ved å følge forkastninger over basement, ettersom disse ...
(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, 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)
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, 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 / 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, 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 / Hovedoppgave, 2006)
Abstract
Glaciers are key indicators for climate change. Mass balance studies form the important link between advances and retreats of glaciers to changes in climate. Mass balance studies were performed in the balance year ...
(Master thesis / Hovedoppgave, 2005)
In this thesis, I present the results of a new approach to pre-stack Kirchoff depth migration using the Kirchoff algorithm and the Fresnel aperture features in order to improve the signal-to-noise ratio of the seismic data ...
(Master thesis / Masteroppgave, 2008)
Some highly atypical oils from Scandinavia have been analysed and compared with some normal oils from the NOCS. The question is whether these atypical oils can represent additional petroleum systems in addition the the ...
(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 / 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 / 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, 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. ...
(Research report / Forskningsrapport, 2007)
Vurdering av utslippsdata rapportert til Konvensjonen for langtransportert luftforurensning i 2007
(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)
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, 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 ...
(Research report / Forskningsrapport, 2002)
(Research report / Forskningsrapport, 2004)
(Research report / Forskningsrapport, 2006)
(Master thesis / Masteroppgave, 2007)
Abstract
The Norwegian continental shelf is located between 62°N and 69°30 N. It became an area of massive sedimentary outbuilding during the late Cenozoic time when large amounts of glacial sediments were transported ...
(Master thesis / Hovedoppgave, 2007)
The thesis investigates the rheological behaviour of fine-grained slurries in the laboratory using two types of rheometric measuring systems: the vane rheometer and the ball measuring system (BMS). The main purpose is to ...
(Master thesis / Masteroppgave, 2005)
Next to air, water is the most essential of Man’s requirements for life. The amount of water necessary to society has increased as population and urbanisation have increased. Today, conflicting interest on water issues ...
(Master thesis / Hovedoppgave, 2007)
Det samlede arealet til de målte breene på Spitsbergen utgjør kun ca 0.5 % av det totale brearealet og halvparten av disse breene har et areal under 10km2 (Hagen et al. 2003). Ekstrapolasjon av målt massebalanse fra de ...
(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 ...