Now showing items 1-20 of 604

    • Warmer and Wetter Winters over the high-latitude North Atlantic : an atmospheric circulation perspective 

      Wickström, Siiri (The University of Bergen, 2020-05-19)
      The high-latitude North Atlantic -especially the Svalbard archipelago and its surrounding seas - has undergone remarkable changes in the last half-century. These regions are recognized as a hotspot of the Arctic ...
      Doctoral thesis
    • Modelling Energy Systems with Variable Renewable Energy 

      Ringkjøb, Hans-Kristian (The University of Bergen, 2020-05-15)
      Today, the majority of anthropogenic greenhouse gas emissions stem from the burning of fossil fuels for energy purposes. In order to avoid devastating consequences of climate change, the world needs to reduce its emissions ...
      Doctoral thesis
    • The role of the Southern Ocean in past global biogeochemical cycling 

      Morée, Anne (The University of Bergen, 2020-04-27)
      This thesis describes several recent advances on the role of the Southern Ocean in past global biogeochemical cycling. We focus on the ocean of the Last Glacial Maximum (LGM) and the Pleistocene epoch and apply proxies of ...
      Doctoral thesis
    • Understanding of European Cold Extremes, Sudden Stratospheric Warming, and Siberian Snow Accumulation in the Winter of 2017/18 

      Lü, Zhuozhuo; Li, Fei; Orsolini, Yvan; Gao, Yongqi; He, Shengping (American Meteorological Society, 2020)
      It is unclear whether the Eurasian snow plays a role in the tropospheric driving of sudden stratospheric warming (SSW). The major SSW event of February 2018 is analyzed using reanalysis datasets. Characterized by predominant ...
      Journal article
    • A wavelet-entropy based segmentation of turbulence measurements from a moored shear probe near the wavy sea surface 

      Bakhoday Paskyabi, Mostafa (Springer Nature, 2019-12-17)
      In this study, we explore the applicability of a wavelet-entropy based segmentation technique in reduction of motion-induced contaminations in time-domain from subsurface turbulence measurements made by a moving shear ...
      Journal article
    • The importance of wind forcing in fjord wave modelling 

      Christakos, Konstantinos; Furevik, Birgitte Rugaard; Aarnes, Ole Johan; Breivik, Øyvind; Tuomi, Laura; Byrkjedal, Øyvind (Springer, 2019-12-03)
      Accurate predictions of surface ocean waves in coastal areas are important for a number of marine activities. In complex coastlines with islands and fjords, the quality of wind forcing significantly affects the results. ...
      Journal article
    • Low Level Jets over the Southern North Sea 

      Wagner, David; Steinfeld, Gerald; Witha, Björn; Wurps, Hauke; Reuder, Joachim (Science Publishers, 2019-12-02)
      An extensive analysis of Low Level Jets (LLJs) over the Southern North Sea is presented. The study is based on observational data from a wind LiDAR and a passive microwave radiometer, operated from May 2015 to October 2016 ...
      Journal article
    • The Lagrangian particle dispersion model FLEXPART version 10.4 

      Pisso, Ignacio; Sollum, Espen; Grythe, Henrik; Kristiansen, Nina Iren; Cassiani, Massimo; Eckhardt, Sabine; Arnold, Delia; Morton, Don; Thompson, Rona Louise; Zwaaftink, Christine Groot; Evangeliou, Nikolaos; Sodemann, Harald; Haimberger, Leopold; Henne, Stephan; Brunner, Dominik; Burkhart, John; Fouilloux, Anne Claire; Brioude, Jerome; Philipp, Anne; Seibert, Petra; Stohl, Andreas (Copernicus Publications, 2019-12-02)
      The Lagrangian particle dispersion model FLEXPART in its original version in the mid-1990s was designed for calculating the long-range and mesoscale dispersion of hazardous substances from point sources, such as those ...
      Journal article
    • Ocean-wave-atmosphere interaction processes in a fully coupled modelling system 

      Wu, Lichuan; Breivik, Øyvind; Rutgersson, Anna (American Geophysical Union, 2019-11-27)
      A high‐resolution coupled ocean‐wave‐atmosphere model (Uppsala University Coupled model, UU‐CM) of the Baltic Sea and the North Sea with improved representation of ocean‐wave‐atmosphere interaction processes is presented. ...
      Journal article
    • Vertical structure and seasonal variability of the inflow to the Lofoten Basin inferred from high resolution Lagrangian simulations 

      Dugstad, Johannes Sandanger; Kozalka, Inga Monika; Isachsen, Pål Erik; Dagestad, Knut-Frode; Fer, Ilker (American Geophysical Union, 2019-11-13)
      The Lofoten Basin in the eastern Nordic Seas plays a central role in modifying the warm Atlantic Water inflow toward the Arctic Ocean. Here, the Atlantic Water experiences increased residence times, cooling, and substantial ...
      Journal article
    • Strømforhold i Byfjorden i Bergen 

      Utkilen, Inga Breisnes (The University of Bergen, 2019-11-01)
      Arbeidet tar for seg Byfjorden i Bergen, med fokus på hydrografi, strøm, utskiftnings og spredning av vannmasser. Fjordmodellen NorFjords160m er brukt til å se på både hydrografi og strøm, og sammenlignet med observasjoner ...
      Master thesis
    • Trends of Ocean Acidification and pCO2 in the Northern North Sea, 2003-2015 

      Omar, Abdirahman; Thomas, Helmuth; Olsen, Are; Becker, Meike; Skjelvan, Ingunn; Reverdin, Gilles (American Geophysical Union, 2019-10-29)
      For continental shelf regions, the long‐term trend in sea surface carbon dioxide (CO2) partial pressure (pCO2) and rates of ocean acidification are not accurately known. Here, we investigate the decadal trend of observed ...
      Journal article
    • Land Surface Data Assimilation of Satellite Derived Surface Soil Moisture : Towards an Integrated Representation of the Arctic Hydrological Cycle 

      Blyverket, Jostein (The University of Bergen, 2019-10-21)
      The ability to accurately determine soil water content (soil moisture) over large areas of the Earth’s surface has potential implications in meteorology, hydrology, water and natural hazards management. The advent of ...
      Doctoral thesis
    • Hydrological Modelling of Ethiopian Watersheds : The Application of Hydrological Models for Flow Forecasting and Analysis of Sensitivity to Climate and Landuse Changes 

      Mengistu, Dereje Tesfahun (The University of Bergen, 2019-10-15)
      Hydrological modelling studies vary depending on the purpose, data availability and number of outputs required. Quantifying the hydrological responses to various human- and climate-induced changes requires different modelling ...
      Doctoral thesis
    • Investigation of the importance of wind field modelling for loads on a bottom fixed and a spar floater wind turbine 

      Myrtvedt, Maylinn Haaskjold (The University of Bergen, 2019-10-02)
      Master thesis
    • OceanGliders: A component of the integrated GOOS 

      Testor, Pierre; DeYoung, Brad; Rudnick, Daniel L.; Glenn, Scott; Hayes, Daniel; Lee, Craig; Pattiaratchi, Charitha B.; Hill, Katherine L.; Heslop, Emma; Turpin, Victor; Alenius, Pekka; Barrera, Carlos; Barth, John; Beaird, Nicholas; Becu, Guislain; Bosse, Anthony; Bourrin, François; Brearley, Alex; Chao, Yi; Chen, Sue; Chiggiato, Jacopo; Coppola, Laurent; Crout, Richard; Cummings, James; Curry, Beth; Curry, Ruth; Davis, Richard; Desai, Kruti; DiMarco, Steven; Edwards, Catherine; Fielding, Sophie; Fer, Ilker; Frajka-Williams, Eleanor; Gildor, Hezi; Goni, Gustavo; Gutierrez, Dimitri; Hanson, Stephanie; Haugan, Peter M.; Hebert, David; Heiderich, Joleen; Heywood, Karen J.; Hogan, Patrick; Houpert, Loïc; Huh, Sik; Inall, Mark E.; Ishii, Masso; Ito, Schin-ichi; Itoh, Sachihiko; Jan, Sen; Kaiser, Jan; Karstensen, Johannes; Kirkpatrick, Barbara; Klymak, Jody; Kohut, Josh; Krahmann, Gerd; Krug, Marjolaine; McClatchie, Sam; Marin, Frederic; Mauri, Elena; Mehra, Avichal; Meredith, Michael P.; Miles, Travis; Morell, Julio; Mortier, Laurent; Nicholson, Sarah; O'Callaghan, Joanne; O'Conchubhair, Diarmuid; Oke, Peter R.; Sanz, Enric P.; Palmer, Matthew; Park, JongJin; Perivoliotis, Leonidas; Poulain, Pierre-Marie; Perry, Ruth; Queste, Bastien; Rainville, Luc; Rehm, Eric; Roughan, Moninya; Rome, Nicholas; Ross, Tetjana; Ruiz, Simon; Saba, Grace; Schaeffer, Amandine; Schonau, Martha; Schroeder, Katrin; Shimizu, Yugo; Sloyan, Bernadette M.; Smeed, David; Snowden, Derrick P.; Song, Yumi; Swart, Sebastiaan; Tenreiro, Miguel; Thompson, Andrew F.; Tintore, Joaquin; Todd, Robert E.; Toro, Cesar; Venables, Hugh; Waterman, Stephanie; Watlington, Roy; Wilson, Doug (Frontiers, 2019-10-02)
      The OceanGliders program started in 2016 to support active coordination and enhancement of global glider activity. OceanGliders contributes to the international efforts of the Global Ocean Observation System (GOOS) for ...
      Journal article
    • Assessing the Sampling Quality of a Low-Tech Low-Budget Volume-Based Rainfall Sampler for Stable Isotope Analysis 

      Fischer, Benjamin M C; Aemisegger, Franziska; Graf, Pascal; Sodemann, Harald; Seibert, Jan (Frontiers, 2019-09-27)
      To better understand the small-scale variability of rainfall and its isotopic composition it is advantageous to utilize rain samplers which are at the same time low-cost, low-tech, robust, and precise with respect to the ...
      Journal article
    • Dynamical controls on the longevity of a non-linear vortex : The case of the Lofoten Basin Eddy 

      Bosse, Anthony; Fer, Ilker; Lilly, Jonathan M.; Søiland, Henrik (Nature, 2019-09-17)
      The Lofoten Basin is the largest oceanic reservoir of heat in the Nordic Seas, and the site of important heat fluxes to the atmosphere. An intense permanent anticyclone in the basin impacts the regional hydrography, ...
      Journal article
    • Investigation of the Gas Adsorption Properties in the Metal-Organic Framework: CPO-54-M (M= Co, Mg, Mn, Ni) 

      Storheim, Even (The University of Bergen, 2019-08-31)
      Master thesis
    • Wind Intensity Is Key to Phytoplankton Spring Bloom Under Climate Change 

      Vikebø, Frode Bendiksen; Strand, Kjersti Opstad; Sundby, Svein (Frontiers, 2019-08-30)
      The onset of the spring bloom (OSB) occurs when phytoplankton growth exceeds losses and is promoted by a transition from deep convection to a shallow mixing layer concurrent with increasing light intensities in nutrient-enriched ...
      Journal article