Blar i Faculty of Mathematics and Natural Sciences på tittel

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    • Suprathermal Fe in the Earth's Plasma Environment: Cluster RAPID Observations 

      Haaland, Stein; Daly, Patrick W.; Vilenius, Esa; Krcelic, Patrik; Dandouras, Iannis (Journal article; Peer reviewed, 2020)
      Baryonic matter in geospace is almost exclusively in a plasma state, with protons (H +) and to some extent ionized helium (He) and oxygen (O) being the dominant ion species. But also other heavier ion species and even ...

    • Sur la distance à l'instabilité de polynômes matriciels quadratiques / On the distance to instability of quadratic matrix polynomials 

      Malyshev, Alexander; Sadkane, Miloud (Peer reviewed; Journal article, 2019-06-27)
      A bisection method is developed for computing the distance to instability of quadratic matrix polynomials. The computation takes rounding errors into account.

    • Sur le transport de masse produit par des oscillations en milieu compressible, dissipatif et inhomogène 

      Tjøtta, Jacqueline Naze; Tjøtta, Sigve (Department of Applied Mathematics report, Research report, 1972-12)

    • Surface Chemistry Study of Low Salinity Waterflood 

      Kaliyugarasan, Jeelaja (Master thesis, 2013-06-03)
      There is increasing evidence that injecting low salinity brines has a significant impact on the amount of oil recovered, but the exact mechanism by which this occurs is an unsettled issue, and is supposed to be a cause of ...

    • Surface drift in the South Pacific Gyre: Observations and simulations of drifters and plastic 

      Bergland, Astrid (Master thesis, 2022-08-12)
      The objective of this thesis is to investigate the residence times and behavior of microplastics and macroplastics in the southern Pacific Ocean. I use the open- source Lagrangian particle tracking framework OpenDrift to ...

    • Surface environment modification in Atlantic salmon sea-cages: Effects on amoebic gill disease, salmon lice, growth and welfare 

      Wright, Daniel William; Geitung, Lena; Karlsbakk, Egil; Stien, Lars Helge; Dempster, Timothy David; Oldham, Tina; Nola, Velimir; Oppedal, Frode (Peer reviewed; Journal article, 2018)
      Surface environment modification is a potential parasite control strategy in Atlantic salmon sea-cage farming. For instance, a temporary low salinity surface layer in commercial-scale snorkel sea-cages has coincided with ...

    • Surface lattice engineering for fine-tuned spatial configuration of nanocrystals 

      Jiang, Bo; Yuan, Yifei; Wang, Wei; He, Kun; Zou, Chao; Chen, Wei; Yang, Yun; Wang, Shun; Yurkiv, Vitaliy; Lu, Jun (Journal article; Peer reviewed, 2021)
      Hybrid nanocrystals combining different properties together are important multifunctional materials that underpin further development in catalysis, energy storage, et al., and they are often constructed using heterogeneous ...

    • Surface mass balance modeling of the Greenland ice sheet : Sensitivity and uncertainty of the energy balance model BESSI 

      Zolles, Tobias (Doctoral thesis, 2022-06-17)
      The surface mass balance is the main connection between the atmospheric climate change and the evolution of Greenland ice sheet over the next century. This thesis focuses on the development of surface mass and energy balance ...

    • Surface Ocean CO2 Atlas (SOCAT) gridded data products 

      Sabine, C. L.; Hankin, S.; Koyuk, H.; Bakker, D. C. E.; Pfeil, Benjamin; Olsen, Are; Metzl, N.; Kozyr, A.; Fassbender, A.; Manke, A.; Malczyk, J.; Akl, J.; Alin, S. R.; Bellerby, Richard; Borges, A.; Boutin, J.; Brown, P. J.; Cai, W.-J.; Chavez, F. P.; Chen, A.; Cosca, C.; Feely, R. A.; González-Dávila, M.; Goyet, C.; Hardman-Mountford, N.; Heinze, Christoph; Hoppema, M.; Hunt, C. W.; Hydes, D.; Ishii, M.; Johannessen, Truls; Key, R.M.; Körtzinger, A.; Landschützer, P.; Lauvset, Siv Kari; Lefévre, N.; Lenton, A.; Lourantou, A.; Merlivat, L.; Midorikawa, T.; Mintrop, L.; Miyazaki, C.; Murata, A.; Nakadate, A.; Nakano, Y.; Nakaoka, S.; Nojiri, Y.; Omar, Abdirahman; Padin, X. A.; Park, G.-H.; Paterson, K.; Perez, F. F.; Pierrot, D.; Poisson, A.; Rios, A.F.; Salisbury, J.; Santana-Casiano, J. M:; Sarma, V. V. S. S.; Schlitzer, R.; Schneider, B.; Schutser, U.; Sieger, R.; Skjelvan, Ingunn; Steinhoff, T.; Suzuki, T.; Takahashi, T.; Tedesco, K.; Telszewski, M.; Thomas, H.; Tilbrook, B.; Vandemark, D.; Veness, T.; Watson, A. J.; Weiss, R.; Wong, C.S.; Yoshikawa-Inoue, H. (Peer reviewed; Journal article, 2013-04-04)
      As a response to public demand for a well-documented, quality controlled, publically available, global surface ocean carbon dioxide (CO2) data set, the international marine carbon science community developed the Surface ...

    • A surface ocean CO2 reference network, SOCONET and associated marine boundary layer CO2 measurements 

      Wanninkhof, Rik; Pickers, Penelope A.; Omar, Abdirahman; Sutton, Adrienne; Murata, Akihiko; Olsen, Are; Stephens, Britton B.; Tilbrook, Bronte; Munro, David; Pierrot, Denis; Rehder, Gregor; Santana-Casiano, J. Magdalena; Müller, Jens D.; Trinanes, Joaquin; Tedesco, Kathy; O'Brien, Kevin; Currie, Kim; Barbero, Leticia; Telszewski, Maciej; Hoppema, Mario; Ishii, Masao; González-Dávila, Melchor; Bates, Nicholas R.; Metzl, Nicolas; Suntharalingam, Parvadha; Feely, Richard A.; Nakaoka, Shin-ichiro; Lauvset, Siv Kari; Takahashi, Taro; Steinhoff, Tobias; Schuster, Ute (Peer reviewed; Journal article, 2019-07-12)
      The Surface Ocean CO2 NETwork (SOCONET) and atmospheric Marine Boundary Layer (MBL) CO2 measurements from ships and buoys focus on the operational aspects of measurements of CO2 in both the ocean surface and atmospheric ...

    • Surface ocean pH and buffer capacity: past, present and future 

      Jiang, Li-qing; Carter, Brendan R; Feely, Richard A; Lauvset, Siv Kari; Olsen, Are (Peer reviewed; Journal article, 2019-12-09)
      The ocean’s chemistry is changing due to the uptake of anthropogenic carbon dioxide (CO2). This phenomenon, commonly referred to as “Ocean Acidification”, is endangering coral reefs and the broader marine ecosystems. In ...

    • Surface reconstruction Using Probability Based Photo-Consistency 

      Kjørstad, Åsmund (Master thesis, 2009-12-04)
      We reconstruct the surface of an object seen from many different angles. We construct an energy functional by using visibility constraints and photo-consistency. This is then solved by the piecewise constant level set method.

    • Surface wave effects in the upper ocean and consequences for biological modeling 

      Röhrs, Johannes (Doctoral thesis, 2014-03-21)
      Effects of surface gravity waves on particle transport and currents in the upper ocean are studied using field observations and numerical models. Knowledge on upper ocean particle drift is needed for plankton transport ...

    • Surface-Forced Variability in the Nordic Seas Overturning Circulation and Overflows 

      Årthun, Marius (Journal article; Peer reviewed, 2023)
      Water mass transformation in the Nordic Seas and the associated overflow of dense waters across the Greenland-Scotland Ridge (GSR) acts to maintain the lower limb of the Atlantic meridional overturning circulation. Here, ...

    • A survey of dioxin-like contaminants in fish from recreational fishing. 

      Heimstad, Eldbjørg Sofie; Grønstøl, Gaute; Hetland, Karl Torstein; Alarcon, Javier Martinez; Rylander, Charlotta; Mariussen, Espen (Peer reviewed; Journal article, 2015)
      The dioxin and dioxin-like compounds are regarded as one of the most toxic group of environmental contaminants. Food for the commercial market is regularly monitored for their dioxin levels and the concentration allowed ...

    • A Survey of Linear-Programming Guided Branching Parameterized Algorithms for Vertex Cover, with Experimental Results 

      Urhaug, Tobias Sørensen (Master thesis, 2015-06-01)
      A survey of FPT algorithms for Vertex Cover, parameterized by an above guarantee parameter.

    • A survey of parameterized algorithms and the complexity of edge modification 

      Crespelle, Christophe; Drange, Pål Grønås; Fomin, Fedor; Golovach, Petr (Journal article; Peer reviewed, 2023)
      The survey is a comprehensive overview of the developing area of parameterized algorithms for graph modification problems. It describes state of the art in kernelization, subexponential algorithms, and parameterized ...

    • Survey strategies to quantify and optimize detecting probability of a CO2 seep in a varying marine environment 

      Hvidevold, Hilde Kristine; Alendal, Guttorm; Johannessen, Truls; Ali, Alfatih Omer Mohammed Ahmed (Peer reviewed; Journal article, 2016-09)
      Designing a marine monitoring program that detects CO2 leaks from subsea geological storage projects is challenging. The high variability of the environment may camouflage the anticipated anisotropic signal from a leak and ...

    • Survival and injuries of cod, haddock and saithe that escape through codends and sorting grids in a commercial fishery 

      Ingólfsson, Ólafur Arnar; Soldal, Aud Vold; Huse, Irene (Fisheries Research, Peer reviewed; Journal article, 2006)

    • Survival of Salmonid Alphavirus in seawater under different physical conditions 

      Skjold, Pål (Master thesis, 2014-08-06)
      Pancreas disease (PD) is an infectious disease caused by Salmonid alphavirus (SAV), which infects Atlantic salmon, Salmo salar L., and rainbow trout, Oncorhynchus mykiss (Walbaum). PD causes substantial economical losses ...