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Bergen Open Research Archive

Browsing Geophysical Institute by Issue Date

Bergen Open Research Archive

Browsing Geophysical Institute by Issue Date

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  • Reeve, Mathew Alexander (Doctoral thesis, The University of Bergen, 2015-02-13)
    People of Bangladesh depend on the monsoon, and many of them depend on the timing of the monsoon onset for their livelihoods. In this study, we are motivated by the idea of providing information to these people about ...
  • Aarnes, Ole Johan (Doctoral thesis, The University of Bergen, 2015-01-16)
    Wind generated surface waves represent a critical factor for offshore constructions and coastal development, and are highly relevant in scientific questions related to climate and weather. The sea state can be described ...
  • Aarnes, Ole Johan; Abdalla, Saleh; Bidlot, Jean-Raymond; Breivik, Øyvind (Journal article, American Meteorological Society, 2015-01-15)
    Trends in marine wind speed and significant wave height are investigated using the global reanalysis ERA-Interim over the period 1979–2012, based on monthly-mean and monthly-maximum data. Besides the traditional reanalysis, ...
  • Parding, Kajsa (Doctoral thesis, The University of Bergen, 2014-11-28)
    Shortwave (SW) radiation from the Sun is the external energy source on Earth and the fundamental input of energy into the climate system. Variations of the SW radiation and its transfer through the atmosphere can have ...
  • Terpstra, Annick (Doctoral thesis, The University of Bergen, 2014-11-25)
    This thesis consists of a collection of scientific publications addressing dynamical aspects of the formation and intensification of polar lows. Polar lows are small scale, intense, short-lived cyclones developing over ...
  • Lotsberg, Emilie Otilde (Master thesis, The University of Bergen, 2014-10-22)
    There is strong observational support for two significant warming episodes of the North Atlantic Subpolar Gyre (SPG), one starting in the mid 1920s the other in the mid 1990s. Possible mechanisms responsible for the two ...
  • Taskjelle, Torbjørn; Barthel, Knut; Christensen, Kai Håkon; Furaca, Noca; Gammelsrød, Tor; Hoguane, Antonio Mubango; Nharreluga, Bilardo (Journal article, Elsevier, 2014-09-26)
    Alongshore flows strongly driven by tides and waves is studied in the context of a one-dimensional numerical model. Observations from field surveys performed in a semi-enclosed lagoon (1.7 km×0.2 km) outside Xai-Xai, ...
  • Dillon, Ryan James (Master thesis, The University of Bergen, 2014-09-01)
    The North Atlantic common minke whale (Balaenoptera Acutorostrata) is an abundant, top-level marine predator in the Nordic Seas and Barents Sea ecosystems whose large-scale migratory and foraging behaviors are widely ...
  • Paskyabi, Mostafa Bakhoday (Doctoral thesis, The University of Bergen, 2014-08-20)
    The ocean surface is a complex boundary where air-sea fluxes of mass, momentum and energy take place. The processes at this dynamic interface are of great importance in the coupled atmosphere-ocean system. The coupling ...
  • Breivik, Øyvind; Aarnes, Ole Johan; Abdalla, Saleh; Bidlot, Jean-Raymond; Janssen, Peter A. E. M. (Journal article, WileyAmerican Geophysical Union, 2014-07)
    Global return values of marine wind speed and significant wave height are estimated from very large aggregates of archived ensemble forecasts at +240 h lead time. Long lead time ensures that the forecasts represent independent ...
  • Paskyabi, Mostafa Bakhoday; Fer, Ilker (Journal article, Copernicus Publications on behalf of the European Geosciences Union&the American Geophysical Union, 2014-06-25)
    Observations were made in the near-surface layer, at about 8 m depth in 132 m deep water off the coast of Ålesund in Norway, for a duration of 2.5 months in late 2011. The measurement period covers the passage of two ...
  • Sorokina, Svetlana (Doctoral thesis, The University of Bergen, 2014-06-13)
  • Zygmuntowska, Marta; Khvorostovsky, Kirill (Journal article, The University of Bergen, 2014-06-11)
    Satellite altimetry has been used to derive information about sea ice thickness in the Arctic already for several decades. As part of the algorithms applied the shape of the radar signal is used to identify leads, the ...
  • Zygmuntowska, Marta (Doctoral thesis, The University of Bergen, 2014-06-11)
    One of the most prominent features of global climate change is the reduction in Arctic sea ice thickness. The main tool to derive sea ice thickness on an Arctic wide scale is altimetry from satellites, yet current ...
  • Onarheim, Ingrid Husøy; Smedsrud, Lars Henrik; Ingvaldsen, Randi; Nilsen, Frank (Journal article, International Meteorological Institute, Stockholm University, 2014-06-05)
    Sea ice loss in the Arctic Ocean has up to now been strongest during summer. In contrast, the sea ice concentration north of Svalbard has experienced a larger decline during winter since 1979. The trend in winter ice area ...
  • Nedreli, Anette Cathrine (Master thesis, The University of Bergen, 2014-06-02)
    Numerical models are important for modeling what happens in porous media. In this thesis we will simulate the heat transport in geothermal reservoirs. Because these reservoirs are usually quite large, we will make a model ...
  • Solbrekke, Ida Marie (Master thesis, The University of Bergen, 2014-06-02)
    During the 25th of December 2011 a strong low pressure system struck Soutwestern Norway. This rapidly evolving system got the name "Dagmar". The aim of this thesis was to find out how the complex topography in Southern ...
  • Muus Falck, Håvard (Master thesis, The University of Bergen and University Centre in Svalbard, UNIS, 2014-06-02)
    In a warming Arctic Ocean (AO) it is important to study its main source of oceanic heat and salt. Here, seasonal climatological sections of the West Spitsbergen Current (WSC) across 78.83°N have been constructed using ...
  • Dugstad, Johannes Sandanger (Master thesis, The University of Bergen, 2014-05-28)
    In the following study the energy potential associated with tidal energy will be investigated. A depth integrated model based on the Navier Stokes equations and the continuity equation will be applied to simulate the ...
  • Fer, Ilker; Peterson, Algot Kristoffer; Ullgren, Jenny (Journal article, American Meteorological Society, 2014-05)
    Measurements of ocean microstructure are made in the turbulent Faroe Bank Channel overflow using a turbulence instrument attached to an underwater glider. Dissipation rate of turbulent kinetic energy « is measured using ...

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