Recent Submissions

  • Extracting single target information from a simple echo sounder mounted on a drifting fish aggregating device (FAD) 

    Damptey-Boakye, Albert (The University of Bergen, 2015-06-29)
    Fish aggregating devices (FADs) are widely used by purse seiners in the tropical tuna fisheries. Many species of fish including juvenile tuna often associate with these FADS. There are global decline in tuna catch largely ...
  • Maximum number of objects in graph classes. 

    Hellestø, Marit Kristine Astad (The University of Bergen, 2015-05-31)
    The focus of this thesis is the study and implementation of two exact exponential time algorihms. These algorihms finds and lists the number of minimal dominating sets and the number of minimal subset feedback vertex ...
  • Variability in the Geostrophic Flow of the Agulhas Current, an Investigation of Sea Surface Height Obtained from Altimetry Data 

    Sivertsen, Karen Fosse (The University of Bergen, 2015-06-15)
    The distinct and robust structure of the greater Agulhas Current regime southeast of southern Africa was depicted in the spatial pattern of the absolute dynamic topography. As a part of Work Package 3: Environmental driver, ...
  • Projective Simulation compared to reinforcement learning 

    Bjerland, Øystein Førsund (The University of Bergen, 2015-06-01)
    This thesis explores the model of projective simulation (PS), a novel approach for an artificial intelligence (AI) agent. The model of PS learns by interacting with the environment it is situated in, and allows for ...
  • Vertical salmon lice behaviour as a response to environmental conditions and its influence on regional dispersion in a fjord system 

    Johnsen, Ingrid Askeland; Fiksen, Øyvind; Sandvik, Anne Dagrun; Asplin, Lars (Inter-Research, 2014)
    The salmon louse Lepeophtheirus salmonis is a major parasite of salmon, and is able to travel between farms during its pelagic phases. We investigated the spatial dispersion of L. salmonis planktonic stages in the ...
  • Azimuthal anisotropy of D-meson production in Pb-Pb collisions at √sNN =2.76 TeV 

    Abelev, Betty; Adam, Jaroslav; Adamová, Dagmar; Aggarwal, Madan M.; Agnello, Michelangelo; Agostinelli, Andrea; Agrawal, Nikita; Ahammed, Zubayer; Ahmad, Nazeer; Ahn, Sang Un; Alme, Johan; Erdal, Hege Austrheim; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Altinpinar, Sedat; Djuvsland, Øystein; Fehlker, Dominik; Haaland, Øystein Senneset; Huang, Meidana; Lønne, Per-Ivar; Nystrand, Joakim; Rehman, Attiq ur; Røhrich, Dieter; Skjerdal, Kyrre; Ullaland, Kjetil; Velure, Arild; Wagner, Boris; Yang, Shiming; Zhou, Zhuo; Arsene, Ionut Christian; Bätzing, Paul Christoph; Dordic, Olja; Lindal, Svein; Mahmood, Sohail Musa; Milosevic, Jovan; Qvigstad, Henrik; Richter, Matthias; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Zhao, Chengxin; Langøy, Rune; Lien, Jørgen André; Ahn, Sul-Ah; Ajaz, Muhammad; Akindinov, Alexander; Alt, Torsten; ALICE, Collaboration (American Physical Society, 2014-09)
    The production of the prompt charmed mesons D0, D+, and D*+ relative to the reaction plane was measured in Pb-Pb collisions at a center-of-mass energy per nucleon-nucleon collision of √sNN=2.76TeV with the ALICE detector ...
  • Intensity asymmetries in the dusk sector of the poleward auroral oval due to IMF Bx 

    Reistad, Jone Peter; Østgaard, Nikolai; Laundal, Karl Magnus; Haaland, Stein; Tenfjord, Paul; Snekvik, Kristian; Oksavik, Kjellmar; Milan, Steve (WileyAmerican Geophysical Union, 2014-12)
    In the exploration of global-scale features of the Earth's aurora, little attention has been given to the radial component of the Interplanetary Magnetic Field (IMF). This study investigates the global auroral response in ...
  • Simulating last interglacial climate with NorESM: role of insolation and greenhouse gases in the timing of peak warmth 

    Langebroek, Petra; Nisancioglu, Kerim Hestnes (Copernicus Publications, 2014-07-10)
    The last interglacial (LIG, ~130–116 ka, ka = 1000 yr ago) is characterized by high-latitude warming and is therefore often considered as a possible analogue for future warming. However, in contrast to predicted ...
  • Measurement of the inclusive isolated prompt photons cross section in pp collisions at √s =7TeV with the ATLAS detector using 4.6fb-1 

    Buanes, Trygve; Burgess, Thomas; Eigen, Gerald; Kastanas, Alex; Liebig, Wolfgang; Lipniacka, Anna; Rosendahl, Peter Lundgaard; Sandaker, Heidi; Sjursen, Therese B.; Stugu, Bjarne; Tonoyan, Arshak; Ugland, Maren; Bugge, Lars; Buran, Torleiv; Cameron, David Gordon; Gjelsten, Børge Kile; Gramstad, Eirik; Lund, Esben; Ould-Saada, Farid; Pajchel, Katarina; Pedersen, Maiken; Read, Alexander Lincoln; Røhne, Ole Myren; Smestad, Lillian; Stapnes, Steinar; Strandlie, Are; Aad, Georges; Abajyan, Tatevik; Abbott, Brad; Abdallah, Jalal; Abdel Khalek, Samah; Abdelalim, Ahmed Ali; Abdinov, Ovsat Bahram oglu; Aben, Rosemarie; Abi, Babak; Abolins, Maris; AbouZeid, Hass; Abramowicz, Halina; Abreu, Henso; Adamczyk, Leszek; Adams, David; Addy, Tetteh N.; Adelman, Jareed; Adomeit, Stefanie; Adye, Tim; Aefsky, Scott Alan; Agatonovic-Jovin, Tatjana; Aguilar Saavedra, Juan Antonio; Agustoni, Marco; Åkesson, Torsten P.A.; ATLAS, Collaboration (American Physical Society, 2014-03)
    A measurement of the cross section for the production of isolated prompt photons in pp collisions at a center-of-mass energy √s=7  TeV is presented. The results are based on an integrated luminosity of 4.6  fb−1 collected ...
  • Choice of parameter for DP-based FPT algorithms: four case studies 

    Sæther, Sigve Hortemo (The University of Bergen, 2015-09-07)
    This thesis studies dynamic programming algorithms and structural parameters used when solving computationally hard problems. In particular, we look at algorithms that make use of structural decompositions to overcome ...
  • Studies on the solid-state transformation and chemical modification reactions of carbon black nanoparticles 

    Asokan, Vijayshankar (The University of Bergen, 2015-06-26)
    Carbon black (CB) is nanoscale particles with quasi-spherical nature, produced from incomplete combustion of hydrocarbons. It is a well-known type of amorphous carbon which exists in the form of aggregated spheres. CBs are ...
  • Catch-and-release of Atlantic cod (Gadus morhua) in recreational fisheries 

    Ferter, Keno (The University of Bergen, 2015-06-26)
    The role of recreational fisheries in the exploitation pressure on fish resources is increasingly recognized. This has led to the introduction of new harvest regulations for several European marine recreational fisheries. ...
  • Mønstre og kvalitet. Analyse av samtaler i matematikkundervisning 

    Mjaavatn, Geir (The University of Bergen, 2015-06-03)
    Oppgaven diskuterer hvordan man kan analysere samtaler mellom lærer og elever i matematikkundervisning. Deretter diskuterer oppgaven hva som kjennetegner en kvalitativ god samtale.
  • \lambda Polarization in Heavy Ion Collisions 

    Glastad, Robert Clay (The University of Bergen, 2015-06-02)
    Results on transverse lambda polarization in peripheral heavy ion collisions in an exact, analytic, self-similar rotating hydrodynamics model using the gradient and curl of the inverse temperature field. We estimate ...
  • Search for Terrestrial Electron Beams in SAMPEX HILT data 

    Aamodt, Vegard (The University of Bergen, 2015-06-01)
    The Solar Anomalous and Magnetospheric Particle Explorer (SAMPEX) was a low polar orbiting satellite operating from 1992 to 2012. The goal of this master project has been to see if Terrestrial Electron Beams (TEBs), ~20 ...
  • Grid sensitivity simulation of low salinity and polymer flooding 

    Nordaker, Vidar (The University of Bergen, 2015-05-31)
    Water flooding in a reservoir is a well- established recovery method used to maintain the reservoir pressure and to displace the oil towards the producing well. However, after water flooding there is still a ...
  • Interannual variations of freshwater content in Hornsund 

    Dølven, Knut Ola (The University of Bergen, 2015-05-04)
    Salinity measurements have been used to calculate the freshwater content in Hornsund for the years 2001 to 2014. In 2011 there was significantly higher freshwater content in the fjord, compared to the other years, with a ...
  • An Experimental Study of Methane Hydrate Growth and Dissociation in Porous Media 

    Vadla, Erik Rasmussen (The University of Bergen, 2015-06-01)
    Natural gas hydrate (NGH) is a solid phase consisting of water and natural gas. NGH represents a justified vast global energy resource, and is widespread in on-shore artic and sub-seafloor environments. Due to the worlds ...
  • CO2 Foam Stabilization with Nanoparticles and EOR in Fractured Carbonate Systems 

    Horjen, Henriette Trydal (The University of Bergen, 2015-06-18)
    This thesis is a part of an ongoing study of CO2 foam mobility control in the Reservoir Physics group at the Department of Physics and Technology (IFT) at the University of Bergen. The goal of this thesis was to evaluate ...
  • Petrophysical properties of deformation bands and their influence on fluid flow in carbonate grainstones: insights from the Maghlaq Fault, Malta. 

    Fossmark, Heidi Synnøve Solli (The University of Bergen, 2015-06-08)
    Deformation bands are tabular, sub- centimeter thick zones, which accommodates shear and/or volumetric deformation. Only a few examples of deformation bands have been documented in porous carbonate rocks, and the knowledge ...

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