Now showing items 1-20 of 374

    • The Arctic Ocean in a Fresh and Warm Future 

      Nummelin, Aleksi (The University of Bergen, 2016-10-28)
      The Arctic Ocean remains one of the least known ocean regions due to its remote location, year-round sea ice cover, and harsh weather conditions. Today, knowledge of the Arctic atmosphere-sea ice-ocean system increases ...
      Doctoral thesis
    • A study on the Atmospheric Boundary Layer in the High Arctic during winter 

      Frøyland, Andreas (The University of Bergen, 2016-08-26)
      We investigated the stable boundary layer in Adventdalen by measuring meteorological parameters with Sonic anemometers at two heights, as well as slow response measurements, during a 7 week measurement campaign from February ...
      Master thesis
    • Investigation of gaseous ammonia for NOx control by SCR on an experimental basis 

      Makoveyenko, Vitaliya (The University of Bergen, 2016-08-15)
      My dissertation argues which of the two reducing agents, urea or pure ammonia, is better suited for reducing NOx emissions in Marine SCR applications. While the question might seem straight forward, there are ...
      Master thesis
    • Observed vulnerability of Filchner-Ronne Ice Shelf to wind-driven inflow of warm deep water 

      Darelius, Elin Maria K.; Fer, Ilker; Nicholls, Keith W. (Nature Publishing Group, 2016-08-02)
      The average rate of melting at the base of the large Filchner-Ronne Ice Shelf in the southern Weddell Sea is currently low, but projected to increase dramatically within the next century. In a model study, melt rates ...
      Journal article
    • Directional wave measurements using an autonomous vessel 

      Hole, L. R.; Fer, Ilker; Peddie, David (Springer, 2016-08-01)
      An autonomous vessel, the Offshore Sensing Sailbuoy, was used for wave measurements near the Ekofisk oil platform complex in the North Sea (56.5º N, 3.2º E, operated by ConocoPhillips) from 6 to 20 November 2015. Being ...
      Journal article
    • Ekstremverdianalyse av nedbør og oppdatering av intensitet - varighet - frekvenskurver i Bergen Kommune 

      Johansen, Sigrid (The University of Bergen, 2016-06-14)
      Bergen er en by på vestkysten av Norge kjent for høyre årlige nedbørsmengder og mange regndager.På grunn av dette har en i Bergen en lang historie i håndtering av store nedbørsmengder. Dette har en lykkes godt med så langt, ...
      Master thesis
    • Impacts of Atlantic multi-decadal variability on the Indo-Pacific and Northern Hemisphere climate 

      Svendsen, Lea (The University of Bergen, 2016-06-03)
      Earlier studies have shown that Atlantic multi-decadal variability (AMY) can impact climate variability globally. However the instrumental records are short compared to the timescale of AMY, and mechanisms for these impacts ...
      Doctoral thesis
    • Solstrøm, kraftnett, energimodeller og World Energy Model - Hvorfor undervurderes utbygging av solstrøm av IEAs WEM-modell? 

      Johnsen, Kevin (The University of Bergen, 2016-06-01)
      I denne oppgaven har jeg forsøkt å svare på spørsmålet «Hvorfor undervurderes utbygging av solstrøm i IEAs WEM-modell?». Dette har jeg gjort ved å se på hvilken teori og ny forskning som finnes for solkraft, kraftsystem, ...
      Master thesis
    • An Investigation of Single Wind Turbine Wakes with Static LiDAR Wind Profilers 

      Eikill, Rannveig Oftedal (The University of Bergen, 2016-06-01)
      Three static LiDAR wind profilers were deployed during the seven month field experiment WINTWEX-W at ECN's test site in Wieringermeer. The campaign was focused on capturing the structure and dynamics of the wake of a ...
      Master thesis
    • A Solar Absorber Based on Metal Nanoparticles 

      Eidsvåg, Håkon (The University of Bergen, 2016-06-01)
      Metal nanoparticles (MNPs) exhibits unique optical properties often found in the visible spectrum of light. The key point of interest is the so-called Localized Surface Plasmon Resonance (LSPR) effect that arises ...
      Master thesis
    • Dynamics and Predictability of the Extreme Extratropical Cyclone Nina 

      Selberg, Lars Andreas Norheim (The University of Bergen, 2016-06-01)
      An extreme extratropical cyclone struck western Norway at 12 UTC 10 January 2015 causing significant damage to property due to extreme winds. The European region has a history of being struck by extreme cyclones that cause ...
      Master thesis
    • The Arctic Sea Ice - Melting During Summer or not Freezing in Winter? 

      Skaret, Henriette Bærheim (The University of Bergen, 2016-06-01)
      The Arctic sea ice cover has retreated rapidly during the last three decades, concurrent with recent global temperature increase both in the atmosphere and in the ocean. The sea ice cover has experienced a retreat in extent ...
      Master thesis
    • Origin of moisture at Arctic sites 

      Jonassen, Trine (The University of Bergen, 2016-06-01)
      The hydrological cycle is an important component in the understanding of the climate system, and a good understanding of the moisture transport in the atmosphere is important in a changing climate. The climate change may ...
      Master thesis
    • Wind Farm Layout Optimization - A case study on maximizing the annual energy production in Creyke Beck B. 

      Fjellanger, Eirin Mæland (The University of Bergen, 2016-06-01)
      For offshore wind farms, detailed planning, including wind farm design optimization, is becoming increasingly important to secure and increase the wind farm's revenue during its operational life time. Since the ...
      Master thesis
    • Summer rains in northeast Bangladesh: Onset and triggering mechanisms 

      Ssemujju, Musa (The University of Bergen, 2016-06-01)
      The aim of this study is to shed light on convective triggering mechanisms around the onset of the summer rains in Northeast Bangladesh. We want to understand this rainfall since it has a large impact on the local climate, ...
      Master thesis
    • Climatology of polar lows impacting Norway 

      Haukeland, Magnus (The University of Bergen, 2016-06-01)
      Polar lows (PLs), mesoscale cyclones in high latitudes, impacting Norway are studied in this thesis. A climatology of PLs in the Nordic seas for the period 1979-2015 is made, by applying a cyclone detection and tracking ...
      Master thesis
    • On the Influence of Latent and Sensible Heating for Maintaining Baroclinicity in the Gulf Stream Region 

      Dahl-Eriksen, Ståle (The University of Bergen, 2016-06-01)
      For the North Atlantic storm track to collocate with the ocean front, there has to be efficient restoring mechanisms for baroclinicity. The total diabatic heating is agreed to play the most dominant role, but whether ...
      Master thesis
    • Influence of Offshore Wind Farms on Primary Production in the North Sea 

      Øijorden, Ingvild (The University of Bergen, 2016-06-01)
      The less studied environmental consequences of power production from offshore wind energy on the marine ecosystem dynamics, are studied through investigation of response on primary production. An idealized wind farm ...
      Master thesis
    • Avvik mellom estimert og faktisk energiproduksjon for småkraftverk 

      Lie, Sindre Blomvågnes (The University of Bergen, 2016-06-01)
      I denne oppgaven har jeg sett på årsakene til avviket mellom estimert og faktisk energiproduksjon for tre av kraftverkene som Småkraft AS sammen med grunneier har hatt i drift i 8-9 år. Kraftverkene jeg har sett på er Ytre ...
      Master thesis
    • The sensitivity of marine-terminating glaciers to model parameters and geometry 

      Steiger, Nadine (The University of Bergen, 2016-06-01)
      Greenland outlet glaciers are among the largest contributors to global sea level rise. With high velocities and calving rates, they discharge large amounts of glacial ice into the ocean. During the last two decades, the ...
      Master thesis