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Large-scale atmospheric setup leading to daily extreme precipitation events in Svalbard 
Kvasnes, Lasse Nygaard (Master thesis / Masteroppgave, 2020)
Helicopter Triggered Lightning in Norway 
Langvatn, Johannes Tobiassen (Master thesis / Masteroppgave, 2020)
Helicopters are sometimes hit by lightning when flying offshore along the coast of Norway. Often, the helicopter’s presence is what triggers the lightning strike, and this phenomenon is called Helicopter Triggered Lightning ...
Sea-ice Response to the 536/540 CE Double Volcanic Eruption Event 
Aukan, Ingvild Sofie Sundby (Master thesis / Masteroppgave, 2020)
The role of sea ice in the climate response after the 536 and 540 CE volcanic eruptions hasbeen investigated through MPI-ESM simulations with imposed volcanic forcing. There is aclear response in the Arctic sea-ice cover ...
Using WRF to Model Temperature During Stable Boundary Layer Conditions on the Finnmarksvidda Plateau, Northern Norway 
Lillegraven, Bjørn Gilje (Master thesis / Masteroppgave, 2020)
Accurate forecasts of very low temperatures in stable boundary layer (SBL) conditions in arctic areas remain a challenge in numerical weather prediction. These forecasts are of great importance both for local communities ...
Analysis of Tropospheric Ozone Depletion Caused by Halogenic Depletion Agents in the Arctic using the Oslo CTM3 
Kollstuen, Marit (Master thesis / Masteroppgave, 2020)
Abstract: Increased anthropogenic emissions of nitrogen oxides, carbon monoxide, volatile organic compounds and methane causes production of ozone in the troposphere, particularly in the northern hemisphere. This causes ...
Evolution of the 2018 European heatwave 
Sagen, Stine (Master thesis / Masteroppgave, 2020)
This master study addresses the monthly evolution from April to September of the extremeheat wave that occurred in Europe in 2018. Heat waves cause serious hazards related to regionaleconomics, ecosystems, human health and ...
Comparison of the tropical tropopause in ECMWF reanalyses and GPS-RO satellite observation 
Mehren, Johanne (Master thesis / Masteroppgave, 2020)
The tropical tropopause layer TTL acts as the gateway for water vapor and other chemical tracers to the stratosphere, and is important for the chemical composition and radiative balance. In this thesis, two reanalyses from ...
Slowdown of the Atlantic meridional overturning circulation in a coupled simulation 
Iversen, Silje Christine (Master thesis / Masteroppgave, 2020)
The Atlantic meridional overturning circulation (AMOC) is projected to weaken under global warming. This study investigates this weakening overturning and addresses the question regarding which aspects lead to such a ...
Combined observational and modeling study of mixed-phase clouds 
Skjervagen, Iselin Heimdal (Master thesis / Masteroppgave, 2020)
Applying artificial intelligence to perform climate predictions - Data driven approach for parametrizing cloud cover 
Svennevik, Hanna (Master thesis / Masteroppgave, 2020)
Dimming and brightening in observations and CMIP6 
Julsrud, Ingeborg Rian (Master thesis / Masteroppgave, 2020)
Joint modeling of low temperature and low wind speed events over Europe conditioned on winter weather regimes 
Tedesco, Paulina Souza (Master thesis / Masteroppgave, 2020)
A transition to renewable energy is needed to mitigate climate change. This transition has been led by wind energy, and it is expected to continue to be the largest source of renewable energy through to 2030 (Sawyer et ...
Frequency and trends in cold and warm spells in Norway in relation to large-scale atmospheric circulation 
Ratajczak, Marek Grzegorz (Master thesis / Masteroppgave, 2020)
Periods of unusually high or low temperatures have a significant impact on both nature and society at all times of the year. A possible change in frequency or persistence of such events would impact the wildlife as well ...
An Investigation of Emissions Sources Contributing to the Deposition of Reactive Nitrogen in Scandinavia Restricted Access
Byre, Hanne Eline (Master thesis / Masteroppgave, 2019)
Heavy Rain Events in Svalbard Summer and Autumn of 2016 to 2018 
Aashamar, Ola Bakke (Master thesis / Masteroppgave, 2019)
Heavy rain events in the Arctic archipelago Svalbard can have a high impact on nature and settlements, and are predicted to become more frequent and intense in the coming decades. This thesis work focuses on heavy rain ...
The Christmas Storm 2016: Comparing Snow Observations and the Operational Forecast Model MEPS 
Hellmuth, Franziska (Master thesis / Masteroppgave, 2018)
Previous studies showed the importance to have information about the vertical distribution of precipitation to simulate snow and related cyclone development correctly in regional, mesoscale models. During Christmas 2016, ...
Upstream of a land-falling Atmospheric River: Its moisture sources and assimilated observation influences on Norway Restricted Access
Johannessen, Aina Marie (Master thesis / Masteroppgave, 2018)
Analysis of urban meteorological data. Comparison of local measurements and a numerical mesoscale model under the aspect of local air quality modeling. 
Borander, Pernille (Master thesis / Masteroppgave, 2018)
This thesis explores the meteorology in an urban area during a winter period and how well a numerical model is able to represent it. The air quality in the cities is of large interest to the citizens and policymakers. ...
Importance of meteorology on dispersion of air pollution in the surface layer. The use of modeled and observed meteorology in dispersion models 
Aas, Elin Cecilie Ristorp (Master thesis / Masteroppgave, 2018)
Air pollution from traffic is a major health problem in urban areas, and there is a great interest in modeling and measuring the dispersion of pollutants from near- ground sources. Due to the complex nature of the motions ...
Predicting Net surface Radiation for Alpine Surface Types Using Linear Models and Artificial Neural Networks 
Ramtvedt, Eirik Næsset (Master thesis / Masteroppgave, 2018)
Flux towers provide important climatic information about surface exchange processes in the land-atmosphere system. At the Finse flux tower in alpine Norway, the inhomogeneous surface and hilly terrain influence the quality ...
The Scaling, Efficacy, and Timescales of Precipitation Change: A comparison between CO2 and CH4 perturbations using CESM CAM4 
Moseid, Kristine Onsum (Master thesis / Masteroppgave, 2018)
Precipitation patterns and rates change with global warming. These changes can be separately evaluated in fast and slow responses, the combination of the two are called apparent responses. The fast precipitation responses ...
Potential Implications of Lichen Cover for the Surface Energy Balance: Implementing Lichen as a new Plant Functional Type in the Community Land Model (CLM4.5) 
Bjordal, Jenny (Master thesis / Masteroppgave, 2018)
We know that lichen cover in polar and high altitude regions may change due to grazing or climate change. Some previous studies have found that removal of lichen reduces the albedo and potentially changes the temperature, ...
Two-layer ocean flow over a bump topography 
Brændshøi, Jostein (Master thesis / Masteroppgave, 2018)
Implementing halogen chemistry in the marine boundary layer in the Arctic into the CTM3 
Foldvik, Susanne (Master thesis / Masteroppgave, 2017)
A tale of two damaging convective storms during the record-breaking Norwegian summer of 2014 
Sarchosidis, Charalampos (Master thesis / Masteroppgave, 2017)
Two cases of severe thunderstorms that impacted the Oslo area have been investigated. The thunderstorms occurred during the summer of 2014, an extraordinary summer with record high temperatures, number of lightning strikes ...
Atmospheric icing in a changing climate: Impact of higher boundary temperatures on simulations of atmospheric ice accretion on structures during the 2015-2016 icing winter in West-Norway 
Ingvaldsen, Kristian (Master thesis / Masteroppgave, 2017)
Data Assimilation of Satellite Soil Moisture Retrievals in the Land Surface Model SURFEX 
Bakketun, Åsmund (Master thesis / Masteroppgave, 2017)
Soil moisture plays an essential role in the land surface energy balance, ap- portioning the available energy into latent and sensible heat. As an impor- tant boundary for the atmosphere, accurate initialization of the ...
Investigating the utility of a linear sea ice drift model for the Arctic 
Mozo Lopez, Francisco Javier (Master thesis / Masteroppgave, 2017)
Calculating UV Doses and Cesium-137 Deposition in Western Norway in Relation to a Hypothetical Sellafield Accident 
Brunstad, Gitte Helene (Master thesis / Masteroppgave, 2017)
On the Late Permian Thermohaline Circulation - A Study of the Ocean Circulation and its Relation to the Permian-Triassic Extinction 
Arnesen, Eirin (Master thesis / Masteroppgave, 2017)
In this thesis, the large-scale thermohaline circulation in the Late Permian was studied. A steady state circulation was obtained by running MITgcm with a 2 times 2 degrees spherical-polar grid, and solving the nonlinear ...
Transport of very short lived halogenated substances from the tropical East Pacific to the stratosphere and the influence of El Niño 2015/16 
Gjermo, Sarah (Master thesis / Masteroppgave, 2017)
Leaf area impacts on climate feedbacks in the Arctic - A sensitivity study using Norwegian Earth System Model (NorESM) 
Song, Qian (Master thesis / Masteroppgave, 2017)
Precipitation and temperatures extremes in East Africa in past and future climate 
Kuya, Elinah Khasandi (Master thesis / Masteroppgave, 2016)
Climate change has increased extreme weather events over the planet. The most robust changes in East Africa (EA) are for daily temperature and precipitation, where high-impact extreme values have become more common. The ...
Analyses of eddies in the Skagerrak 
Vogt, Birger Oliver (Master thesis, Group thesis / Masteroppgave, Gruppeoppgave, 2016)
It is well known that cyclonic and anticyclonic eddies are numerous in the Skagerrak. Nevertheless a systematic analysis of their statistics appears to be missing. This is the topic of the present thesis in which we ...
Analysis of the ENSO signal in a coupled chemistry-climate model of the middle atmosphere 
Yeung, Helen (Master thesis / Masteroppgave, 2016)
On the Vertical Partition of Kinetic Energy in the Ocean. A Comparison between Flat and Steep Bottom Modes 
Fuhr, Helle Kristine (Master thesis / Masteroppgave, 2015)
Observational data from 61 moorings was used to decompose vertical velocity fields into its modal components using two different approaches, one assuming a flat bottom ocean and one assuming an ocean with rough topography. ...
Applying the Eddy Covariance Method Under Difficult Conditions. 
Aalstad, Kristoffer (Master thesis / Masteroppgave, 2015)
We assess how reliable the Eddy-Covariance (EC) method is in estimating surface fluxes under the difficult conditions that occur in the high Arctic. Emphasis is placed on stable stratification and the breakdown of EC ...
Is there a positive feedback between Arctic stratus and Arctic sea ice changes? 
Kristiansen, Mari Fenn (Master thesis / Masteroppgave, 2015)
The influence of diminishing sea ice and increased aerosol number concentration on low clouds over the Beaufort Sea, north of Canada and Alaska, has been investigated by use of a formulation of the Weather Research and ...
Eddies in the Subarctic seas - on their characteristics and generation mechanism 
Trodahl, Marta (Master thesis / Masteroppgave, 2015)
The advent of satelitte observations revolutionalized Oceanography, and it has unveiled a turbulent ocean circulation dominated by mesoscale eddies (10-100km). Eddies represent an important aspect of the flow, and understanding ...
Timescales of surface-to-tropopause transport in the tropics, using Flexpart 
Wærsted, Eivind Grøtting (Master thesis / Masteroppgave, 2015)
The timescales of transport from the surface to the tropical tropopause layer (TTL) was studied using the Lagrangian transport model Flexpart. The model was driven by the ERA-Interim reanalysis from the European Center for ...
Evaluation of two model versions of the Oslofjord with different grid resolutions 
Isachsen, Peter (Master thesis / Masteroppgave, 2014)
We consider results from from a one year simulation in the Oslofjord area, produced by an 800- and 300- meter versions of the ROMS model. The two versions differ only in resolution and grid orientation. Our objective is ...
On the thermally driven large-scale ocean circulation 
Denstad, Liv (Master thesis / Masteroppgave, 2014)
Smoke detection in Europe from wildfires in North America and its impact on the surface temperature 
Roggentin, Maria Rebecca (Master thesis / Masteroppgave, 2014)
In the summer of 2013, Europe got affected by smoke from wildfires in North America. A haze was covering the sky, attenuating the incident solar radiation, at many places in Europe. Especially during two periods, high ...
Impacts of emissions in India, on climate and air quality 
Hamre, Maria Elisabeth (Master thesis / Masteroppgave, 2014)
The emission of ozone precursors as CO, and NOx has increased over the last decades, this report looks at how this increase potentially could affect the concentration of tropospheric ozone over India. It gives a short ...
Currents and mean circulation induced by trapped internal waves 
Støylen, Eivind (Doctoral thesis / Doktoravhandling, 2013)
Bølgemekanismer i havet slik som ”Stokes drift” bidrar til å systematisk forflytte store mengder vannpartikler i en bestemt retning over store avstander. Stokes drift har blitt studert grundig for overflatebølger for ...
Hvor godt kan vi simulere underkjølt skyvann i arktiske skyer? 
Funnemark, Marit (Master thesis / Masteroppgave, 2013)
Arktis har vært, og er fortsatt, et utfordrende område for numeriske modeller for studier av fenomener knyttet til skyer. Mye av dette skyldes at skyer ikke blir simulert godt nok. Spesielt det å simulere underkjølt skyvann, ...
Numeriske modeller for prediksjon av underkjølt skyvann 
Waagbø, Geir Arne (Master thesis / Masteroppgave, 2013)
Målet med dette arbeidet er å finne ut om moderne numeriske atmosfæremodeller klarer å varsle underkjølt skyvann og underkjølt regn. I den mye brukte atmosfæremodellen WRF (Weather Research and Forcasting [Skamarock et al. ...
Estimating the sulphur dioxide and ash emissions from the Grímsvötn 2011 volcanic eruption and simulating their transport across Northern Europe 
Moxnes, Eldbjørg Dirdal (Master thesis / Masteroppgave, 2013)
Enhancement of the albedo of low stratus marine clouds. : Simulations in a global climate model 
Jonasdottir, Elin Bjork (Master thesis / Masteroppgave, 2012)
Anthropogenicgreenhouse gases have become widely accepted as the primary cause of global warming. With increasing emissions rates, warming is set to continue and baring any drastic change in mitigation policies, the rate ...
Identification of wildfire aerosols in LIDAR data and model calculations of the vertical propagation of absorbing aerosols 
Wolf, Tobias (Master thesis / Masteroppgave, 2012)
Wildfires are a source of major perturbations in the earth-atmosphere system. Between 1997 and 2008, an area of roughly 4 · 106 km2 has been burned each year. Among other species, wildfire aerosols consist of black carbon ...
Autonomous monitoring of the Nordic Seas by hooded seals - experiences gained during the International Polar Year Restricted Access
Sørlie, Signe Røysland (Master thesis / Masteroppgave, 2012)
Oseanografiske data ble samlet inn ved hjelp av 20 klappmyss i de Nordiske havene i 2007 og 2008, som en del av IPY-prosjektet MEOP. 6112 vertikale profiler av temperatur og konduktivitet ble samlet inn. Selene dykker dypt, ...
Modelling tropospheric ozone production on different scales 
Hodnebrog, Øivind (Doctoral thesis / Doktoravhandling, 2012)
Tropospheric ozone is currently the third most important anthropogenic greenhouse gas in terms of radiative forcing. In contrast to the long-lived greenhouse gases, e.g. CO2 and CH4, ozone has the ability to cause regional ...
Assessing atmospheric sensitivity to sea surface temperature variations using the Maximum Entropy Production Principle 
Gjermundsen, Ada (Master thesis / Masteroppgave, 2012)
Paltridge (1975,1978) proposed that the atmosphere seeks to maximize entropy production, as a non-equilibrium thermodynamic system. He constructed a simple box model of the atmosphere which yields surprisingly realistic ...
Precipitation in southern Africa: dynamical downscaling of CAM using WRF 
Velken, Anna von Streng (Master thesis / Masteroppgave, 2011)
Regional climate modeling has become an important tool for downscaling global climate models (GCMs), to assess high impact regional climate pro-jections. Southern Africa is one of the most exposed regions to the effects ...
Diagnostics of eddy diffusvities in high resolution regional ocean models, : An evaluation of different closures. 
Skogtvedt, John Erik Chiarello (Master thesis / Masteroppgave, 2011)
En samling av nedleggelse ordninger for Eddy diffusivities κ, passende for isopycnal diffusjon (Redi 1982) og omrøring (Gent-McWilliams 1990), er testet og sammenlignet med utgang fra høy oppløsning regional havmodell. ...
A study on atmospheric relative dispersion using the transport model FLEXPART 
Guttu, Sigmund (Master thesis / Masteroppgave, 2011)
Relative dispersion is a widely used measure to characterize mixing properties of atmospheric passive tracers. Numerical models allow for a large number of particles. In this thesis, the Lagrangian transport model FLEXPART ...
Det polare lavtrykket nord for Svalbard, 8. januar 2010. : Modellstudie av drivmekanismene bak det polare lavtrykket 
Martinsen, Nina (Master thesis / Masteroppgave, 2011)
Extreme mesoscale weather in the Arctic region often forms in the vicinity of the ice edge. A polar low was observed in the region between Svalbard and the ice cap, 8. january 2010. This was the first polar low to have ...
Changes in the Upper Arctic Ocean Hydrography from Observational Data Restricted Access
Fossli, Ida (Master thesis / Masteroppgave, 2011)
The Arctic Ocean is supplied with water from the Atlantic and Pacific through the Nordic Seas and the Bering Strait. Changes in temperature, salinity and density are seen in the Amundsen, Makarov and Beaufort Basins. The ...
Observed impact of aerosols on Arctic cloud emissivity 
Grythe, Henrik (Master thesis / Masteroppgave, 2011)
IPCC results indicate that the main bulk of uncertainties on global warming is within aerosol-cloud interactions. Based on observations this thesis aims to measure how anthropogenic aerosol from mid-latitudes increase ...
The Polar Low in the Norwegian Sea March 16-17 2008 
Engdahl, Bjørg Jenny Kokkvoll (Master thesis / Masteroppgave, 2011)
The polar low in the Norwegian Sea on March 16-17 2008 has been studied using both weather analysis and the numerical weather prediction (NWP) model weather research and forecasting (WRF). This particular polar low was ...
Kvantifisering av effekten for reflektert sol- og himmellys på målinger av oppoverspredt lys fra havet foretatt fra passasjerskip, sammenlignet med satellittestimater av oppoverspredt lys. 
Kleiv, Øyvind (Master thesis / Masteroppgave, 2011)
Lavfrekvent variabilitet i havet, i observasjoner og modeller 
Skattør, Hanne (Master thesis / Masteroppgave, 2011)
I denne oppgaven har vi studert lavfrekvent variabiliteten i havet gjennom det 20-århundret. I tillegg til observasjoner har vi brukt data fra fire klimamodeller; CCSM3, Gfdl-CM2.0, BCM2.0 og HadCM3, som er kjørt med ...
Validation of the Numerical Ocean Weather Prediction (NOWP) Model for the Oslofjord, Norway, operated by the Norwegian Meteorological Institute 
Grinde, Lars (Master thesis / Masteroppgave, 2011)
ERRATA Figure ?? p. 7 refers to Figure 3.1 Figure ?? p. 15 refers to Figure 4.1 Figure ?? p. 17 refers to Figure 4.2 Eq. (4.9) shall read: u_comp = RMS_u sin(fi) Eq. (4.11) shall read NS_vel = u_comp + v_comp For the ...
Determinig the kinetic energy spectrum in the upper ocean 
Løvdahl, Rafael E (Master thesis / Masteroppgave, 2011)
Determining the kinteric energy in the upper ocean 
Løvdahl, Rafael Escobar (Master thesis / Masteroppgave, 2011)
Den turbulente dynamikken i det øvre havet er et mye omtalt tema av forskere. Tidligere studier har vist seg og støtte to hovedteorier; overflate kvasigeotrofisk teori og to dimensional teori. I denne oppgaven har vi brukt ...
En skalaavhengig verifikasjonsmetode anvendt på finskalamodeller. 
Wahl, Bente Marie (Master thesis / Masteroppgave, 2010)
High resolution forecast models have the potential to produce more detailed forecasts of, for example precipitation, than comparable models with a coarser resolution. This is because high resolution forecast models, amongst ...
Relasjoner mellom optimale pådriv for endret hyppighet av COWL Restricted Access
Hesby, Anne (Master thesis / Masteroppgave, 2010)
Forcing perturbations, which are optimal in producing atmospheric respons patterns resembling the Cold-Ocean-Warm-Land (COWL) flow regime over 4 days, have been calculated with the atmospheric Integrated Forecast ...
Mean currents induced by shelf waves along the western coast of Norway 
Drivdal, Magnus Bjørn (Master thesis / Masteroppgave, 2010)
Based on linear shallow water theory for a uniformly rotating, homogeneous ocean, the properties of freely propagating shelf waves are investigated, applying the rigid lid approximation. Applied to the Norwegian shelf, ...
The influence of sulphur emissions from ship traffic on clouds and climate 
Kai, Kombo Hamad (Master thesis / Masteroppgave, 2010)
The growth of the international ship trade has raised the great concern about the impact of the ship emitted pollutants to the clouds and climate, air quality est. Apart from emitting large extents of sulphur dioxide which ...
Weather routing : Sensitivity to ensemble wind and current input. 
Kristensen, Nils Melsom (Master thesis / Masteroppgave, 2010)
We consider the relative importance of wind and currents in the determination of optimal routes, commonly referred to as weather routing, for sailboats. Weather routing for sailboats is the process of finding the fastest ...
Operasjonell bruk av PV-analyse i værvarsling mhp. eksplosive frontlavtrykk 
Tajet, Helga Therese Tilley (Master thesis / Masteroppgave, 2010)
Forecasting severe weather events is of great importance, especially since it can have impact on life and society. Even though numerical weather prediction (NWP) models have had great improvements in the last decade, some ...
Atmosfærekjemiske konsekvenser av skipstrafikk i arktis : Modellstudie ved WRF-Chem med hovedfokus på NOx-utslipp fra skip og påvirkning av troposfærisk ozon 
Lunder, Margrethe (Master thesis / Masteroppgave, 2010)
Turbulente flukser ved reversert skjær i den geostrofiske vinden 
Simonsen, Magne (Master thesis / Masteroppgave, 2010)
In boundary layer modelling, the Monin-Obukhov theory is widely used to parmeterize the wind profiles and the momentum fluxes. During the IPY-THORPEX campaign at Andøya at 3. March 2008, a flight was made across an arctic ...
Volume transport due to coastal wind-driven internal pulses in the Hardangerfjord 
Sundfjord, Vibeke Norland (Master thesis / Masteroppgave, 2010)
Long, non-dispersive coastal wind-generated internal waves in the Hardangerfjord is investigated based on hydrographic data at the coast and current and temperature measurements in the fjord. The aim of the present work ...
Sensitivity of the Modeled Arctic Sea-Ice Extent and Thickness to Changes in Various Parametrizations 
Erlandsen, Helene Birkelund (Master thesis / Masteroppgave, 2010)
Seven experiments are conducted on a coupled ice-ocean model in order to gain insight in the sensitivity of the modeled Arctic sea-ice extent and thickness to crucial changes in the parametrization of the models albedo ...
Formation of ozone due to chemical precursors and its impact on vegetation : Implementing WRF-Chem in parameterizing the dose of ozone to vegetation in the southern part of Africa 
Rydsaa, Johanne Hope (Master thesis / Masteroppgave, 2010)
Forskning over de siste ti årene har etablert at dagens bakgrunnskonsentrasjon av bakkenær ozon er høy nok til å ha skadelig effekt på vegetasjon. Disse effektene inkluderer reduksjon i biomasseproduksjon, trevekst og ...
Modelling effects of exhaust from diesel and gasoline vehicles on tropospheric chemistry 
Ødemark, Karianne (Master thesis / Masteroppgave, 2009)
Determination of the emission height profile of volcanic emissions using inverse modelling 
Kristiansen, Nina Iren (Master thesis / Masteroppgave, 2009)
Ved å bruke en invers metode kan høydeprofilen av svoveldioksid (SO2) utslippene fra et vulkanutbrudd estimeres. Metoden bruker satellitt observerte SO2 kolonneverdier (AIRS, OMI) og en partikkel dispersjons modell (FLEXPART) ...
High-resolution ensemble forecasts of a polar low by non-hydrostatic downscaling 
Sørland, Silje Lund (Master thesis / Masteroppgave, 2009)
A short range, limited area ensemble prediction system, LAMEPS, is currently in operational use at the Norwegian Meteorological Institute. It employs 3D-Var for 6 hourly data assimilation cycling for analysis of the control ...
Simulated Changes in the Radiative Properties of Arctic Stratus due to Anthropogenic Forcing 
Alterskjær, Kari (Master thesis / Masteroppgave, 2009)
Clouds in the Arctic differ from clouds elsewhere in that they have a net warming effect at the surface. This happens because the longwave (LW) radiation dominates the radiation regime due to large solar zenith angles ...
Trends and variability in transport of persistent organic pollutants (POPs) to the Arctic and possible relation to climate change 
Holmen, Silje Eriksen (Master thesis / Masteroppgave, 2009)
In this thesis, transport pathways, temporal trends and seasonality of persistent organic pollutants (POPs) in the Arctic are examined. These pollutants, which can be transported over long distances, constitute a great ...
Implementation and evaluation of a parametrization of coarse nitrate 
Berge, Haldis (Master thesis / Masteroppgave, 2009)
Aerosols have in recent years been given increased attention due to their effects on climate and health. Drastic reductions in sulphur emissions in Europe during the last two decades have led to a larger relative importance ...
The hydrographic conditions in the upper Arctic Ocean from 1950 until 2009 
Aasen, Inger-Lise (Master thesis / Masteroppgave, 2009)
We decided to take a fresh new look at the historical hydrographic data from the Environmental Working Group-atlas (EWG) in light of the recent dramatic changes, first and foremost to shed light on the cause of the large ...
Impact of ocean heat uptake and release on the climate system during the 20th century 
Rue, Malin Jeanette (Master thesis / Masteroppgave, 2009)
The heat capacity of the global ocean is very large compared to the rest of the spheres in the climate system of the Earth. It is therefore reasonable to assume that ocean heat uptake or release would manifest itself in ...
Peformance of the global EMEP model in Asia 
Andersen, Anne Solveig H (Master thesis / Masteroppgave, 2009)
Investigating the shift in the North-Atlantic storm track 
Seland, Lise (Master thesis / Masteroppgave, 2009)
This thesis presents results from an AGCM sensitivity study in which the response in the Northern Hemisphere storm tracks to an imposed SST anomaly is investigated. The study was motivated by observational studies cited ...
Assessing the relative dispersion of pairs of particles released in turbulent flows 
Mikalsen, Stine Ingvild (Master thesis / Masteroppgave, 2009)
Elemental carbon in Svalbard snow from local sources and its impact on surface albedo 
Aamaas, Borgar (Master thesis / Masteroppgave, 2009)
Svalbard, ei øygruppe i Arktis, vert påverka både av langtransportert og lokal forureining. I denne oppgåva har konsentrasjonar av elementært karbon (EC) i snøen og effekten det har på albedo blitt undersøkt. Eit overslag ...
Endringer i atmosfæriske strømningsregimer i klimamodellen CAM-Oslo som følge av antropogene aerosoler og CO2 
Sand, Maria (Master thesis / Masteroppgave, 2008)
This thesis concerns the equilibrium climate response to an anthropogenic change in aerosols since pre-industrial times compared to a 63 % increased CO2 level in the atmospheric GCM CAM-Oslo coupled to a slab ocean model. ...
Betydning av meteorologiske målinger med rutefly (AMDAR) for kvaliteten av numeriske værprognoser i Norge. Restricted Access
Pedersen, Nina Helen (Master thesis / Masteroppgave, 2008)
Initial condition will improve the weather forecast and that is the subject in this master thesis. Will weather observations from aircrat improve the weather prognoses in Norway. Forecast have been made for observings ...
Volumtransport i Drøbaksundet og vannstandsendringer i indre Oslofjord 
Staalstrøm, André (Master thesis / Hovedoppgave, 2005)
This thesis looks into features of the volume flux in the narrow Drøbak strait, and water level changes in the inner Oslofjord. Earlier measurements suggest that the volum flux in the east course of the strait, calculated ...
Om baroklin instabilitet i balanserte tolagsmodeller 
Jørgensen, Svein N. (Master thesis / Hovedoppgave, 1972)
In this work we have examined the baroclinic instability in a linear two layer model, where the perturbations are presume to depend the latitude. From the linear equations we have computed the growthrates and speeds of ...
 
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Date Issued2010 - 2020 (76)2000 - 2009 (15)1972 - 1979 (1)Document TypeMasteroppgave (88)Doktoravhandling (2)Hovedoppgave (2)Gruppeoppgave (1)AuthorAalstad, Kristoffer (1)Aamaas, Borgar (1)Aas, Elin Cecilie Ristorp (1)Aasen, Inger-Lise (1)Aashamar, Ola Bakke (1)... View More
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