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  • An integrated seismic and well data study of shallow fluid accumulations in Snøhvit, SW Barents Sea 

    Arntzen, Andreas (Master thesis; Mastergradsoppgave, 2018-07-12)
    In the vicinity of the Snøhvit hydrocarbon reservoir in the Hammerfest Basin a number of fluid flow phenomena occur, e.g. free gas accumulations, pockmarks and potential indicators of gas hydrates.The presence of shallow gas may cause major blowouts during drilling. To reduce the risk, it is important to locate the shallow gas and gas hydrates. CO2 has been injected into the Snøhvit reservoir since ...
  • Iceberg Drift-Trajectory Modelling and Probability Distributions of the Predictions 

    Baadshaug, Ole (Master thesis; Mastergradsoppgave, 2018-06-29)
    Moving icebergs represent a major problem for shipping, as well as for oil and gas installations in ice infested waters. To be able to take actions against hazardous icebergs, it is necessary to develop models for prediction of iceberg drift trajectories. Many models have been developed in order to do so, using different approaches. These approaches can be divided into two main categories, dynamic ...
  • Forest Health Monitoring by Detection of Biotic Agents in Satellite Images 

    Hansen, Stine (Master thesis; Mastergradsoppgave, 2018-06-01)
    Since 1999, the Pine Wood Nematode (PWN) has spread, infected and damaged growing areas of pine forest in Portugal. The pest is subject to strict quarantine measures, that require forest owners to register, fell and dispose of infected trees. As remote sensing from satellites provides repetitive and consistent data sets with high temporal resolution and large spatial coverage, a surveillance based ...
  • On the Feasibility of Using Twitter Data to Assess the Global Circulation Patterns of Influenza Viruses 

    Holmstrand, Inga Setså (Master thesis; Mastergradsoppgave, 2018-06-01)
    Having the flu is something that everyone is familiar with, and the influenza season hits every year. The intensity and timing vary from year to year driven by climatic conditions and antigenic evolution, through mechanisms that are only partially understood. Most research agree that the virus originates in East and South-East (E-SE) Asia and spread throughout the world through human movement. In ...
  • Constraining Transient Climate Response Using the Historical Temperature Record 

    Tranås, Olaf Lehn (Master thesis; Mastergradsoppgave, 2018-06-01)
    Anthropogenic greenhouse gas emissions alter the planet's energy balance and cause heating of the surface and oceans. Estimates of the implications of continued emissions are necessary to assess the severity of the situation. The transient climate response (TCR) is a measure of the climate's response to a continued increase in CO2 concentration, and indicates how much the temperature will increase ...
  • SAR imaging and detection of partially coherent targets 

    Lindberg, Stein-Kato (Master thesis; Mastergradsoppgave, 2018-05-23)
    A synthetic aperture radar (SAR) achieves a high azimuth resolution by illuminating targets with multiple pulses and using the Doppler history to synthesize a large antenna. When combining the pulses, it is normally assumed that the targets are stationary, and that their reflectivity is independent of time. The topic of this thesis is the processing of SAR images where the the targets have a ...
  • The Cretaceous development of the Nordkapp Basin based on seismic interpretation 

    Matveev, Aleksei (Master thesis; Mastergradsoppgave, 2018-05-31)
    This thesis is focused on studying the development of the Nordkapp Basin during the Cretaceous Period. The basin is fault-controlled and is strongly influenced by salt tectonics. The basin is divided into two parts, which differs both in the average width and direction of their elongation. Moreover, the salt structures in the northeast and southwest parts of the basin also follow the trends in width ...
  • Comparing sea ice areas identified within quad-polarimetry high-resolution SAR satellite scenes with the same areas in dual-polarimetry medium resolution SAR scenes 

    Hvidsten, Magnus (Master thesis; Mastergradsoppgave, 2018-06-01)
    This thesis compares polarimetric features from quad-polarimetric (quad-pol) SAR (synthetic aperture radar) data and emulated dual-polarimetric (dual-pol) SAR data to investigate the information captured over sea ice areas located in the Barents Sea. The polarimetric features of entropy (H) and mean alpha, and the H/mean alpha-plot is compared, as well as the cross-polarizarion ratio and the damping ...
  • The Future of Solar Energy in Marine Applications 

    Dahlen, Sigurd (Master thesis; Mastergradsoppgave, 2018-06-01)
    The objective of this master's thesis is to investigate the current and future technical and economic feasibility of PV systems for marine applications. Two scenarios will be studied; a land-based PV power station to supply an in-land ferry in Norway and a PV system installed on a wind farm support vessel as a supplementary power source. The two scenarios are use cases that support the two research ...
  • A Sensitivity Study of L-Band Synthetic Aperture Radar Measurements to the Internal Variations and Evolving Nature of Oil Slicks 

    Karisari, Vebjørn (Master thesis; Mastergradsoppgave, 2018-06-01)
    This thesis focuses on the use of multi-polarization synthetic aperture radar (SAR) for characterization of marine oil spills. In particular, the potential of detecting internal zones within oil slicks in SAR scenes are investigated by a direct within-slick segmentation scheme, along with a sensitivity study of SAR measurements to the evolving nature of oil slicks. A simple, k-means clustering ...
  • Classification of Marine Oil Spills and Look-alikes in Sentinel-1 TOPSAR and Radarsat-2 ScanSAR Images 

    Wilhelmsen, Magnus (Master thesis; Mastergradsoppgave, 2018-06-01)
    The main focus of this thesis is to investigate the potential for discrimination between marine oil spills and look-alikes in Synthetic Aperture Radar (SAR) imagery, using log-cumulants and other parameters describing the characteristics of a dark feature. Look-alikes denotes other phenomena known to cause similar SAR signatures as mineral oil. It is vital for the companies managing oil detection ...
  • An evaluation of the reanalyses ERA-Interim and ERA5 in the Arctic using N-ICE2015 data 

    Fredriksen, Liv-Ellen (Master thesis; Mastergradsoppgave, 2018-06-15)
    The Arctic climate has changed considerably in the last few decades. Hence, a large fraction of the current studies of the Arctic climate relies on global atmospheric reanalyses, due to the shortage of meteorological observations in the Arctic. However, global climate models have shown to struggle with simulating the current conditions in the Arctic region. Thus, the objective of this thesis is to ...
  • Seasonal energy storage for district heating applications, including simulation and analysis of Borehole Thermal Energy Storage systems 

    Bakken, Nils Joakim Døvre (Master thesis; Mastergradsoppgave, 2018-06-18)
    The objective of this thesis is to analyse different energy storage technologies for seasonal energy storage in combination with district heating. Tromsø receives district heating (Kvitebjørn Varme). Their new heating central at Skattøra burn waste from industry and households in Tromsø and this heat is used to heat water. A part of this excess heat is lost to air during summer because of a lower ...
  • Mapping of solar energy potential on Tromsøya using solar analyst in ArcGIS 

    Falklev, Erlend Homme (Master thesis; Mastergradsoppgave, 2017-12-15)
    The price of solar energy is declining, and will continue to decline the coming years. This will make it easier for households and companies to utilize solar energy. Because of this, several solar map projects have been established in the recent years. The aim of this study is to create a solar map of Tromsøya, and thoroughly explain the process in doing so. The process chosen for making the map is ...
  • Marine radar properties, analysis and applications 

    Kaspersen, Kai Magne (Master thesis; Mastergradsoppgave, 2017-08-01)
    In this thesis marine radars are compared with synthetic aperture radars (SAR) and the possibility of cross-over applications are investigated. A first cross-over has been demonstrated by using the TS-CFAR on marine radar images. The TS-CFAR was originally developed for SAR and is a constant false alarm rate (CFAR) detection algorithm based on truncated statistics. Detecting weak targets embedded ...
  • Case study of a large-scale solar, wind and hydro power hybrid system in Skibotndalen, Troms 

    Ingebrigtsen, Karoline (Master thesis; Mastergradsoppgave, 2017-06-06)
    The power company Troms Kraft is interested in the feasibility of a large-scale hybrid system in Skibotndalen in Troms. There are two existing hydro power stations in the area, and this thesis concerns the addition of an electric solar power plant of 20 MW and a wind power plant of 21 MW to these stations. As measured solar radiation is not available for one whole year at the location, solarradiation ...
  • 3-D seismic interpretation of the Samson Dome in the framework of the tectonostratigraphic and fluid migration development of the Western Barents Sea 

    Martiuk, Daria (Master thesis; Mastergradsoppgave, 2017-06-21)
    Three-dimensional (3-D) seismic interpretations of data from the Samson Dome show direct connection between the local geological evolution of the area and the regional tectonic and stratigraphic development of the western Barents Sea. Rifting events, halokinetic movements, uplift and glacial processes influenced the area of the Samson Dome. The Samson Dome structure, located in the south-western ...
  • The link between fluid flow and glacial erosion along the Ringvassøy- Loppa fault complex, Tromsøflaket, SW Barents Sea 

    Berg, June (Master thesis; Mastergradsoppgave, 2017-06-06)
    This master thesis has focused its efforts to investigate the link between glacial erosion and focused fluid flow in the SW Barents Sea, on the shallow bank area of Tromsøflaket where the Ringvassøy-Loppa Fault Complex borders the Tromsø basin in west, and the Loppa High in east. Here, large, elongated depressions are identified on the buried Upper Regional Unconformity (URU) and may resemble tunnel ...
  • Case study of a large-scale solar and wind power hybrid system at Fakken Wind Farm, Troms 

    Tiller, Charlotte (Master thesis; Mastergradsoppgave, 2017-06-01)
    The objective of this thesis is to investigate the feasibility of a large scale hybrid system at Fakken, Troms. There is already an existing 54 MW wind farm at site. The wind farm has considerably higher power production during winter compared to summer, and the electricity grid is therefore not fully exploited during summer. Adding a solar panel utility to the site could be a solution to this issue. ...
  • Changes in paleoceanography and methane release in relation to past climatic variability at Vestnesa Ridge, Svalbard 

    Åsheim, Jarl-Eirik Fløystad (Master thesis; Mastergradsoppgave, 2017-06-01)
    Sediment core HH16-549GC from Vestnesa Ridge in the Fram Strait, western Svalbard, has been investigated in order to reconstruct paleoceanographic and paleoclimatic conditions from 31,000 to 7500 cal years BP. Vestnesa Ridge is located in an area with extensive seepage of methane from the ocean floor. The core is retrieved from within a pockmark to reconstruct possible changes in seepage of methane ...

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