Recent Submissions

  • A Diagnostic Diagram to Understand Atmosphere-ocean Dynamics in the Southern North Sea at High Wind Spe 

    Kettle, Anthony (Elsevier, 2014)
    Long time series of offshore meteorological measurements in the lower marine atmospheric boundary layer show dynamical regimes and variability that are forced partly by interaction with the underlying sea surface and partly ...
  • Warming of Atlantic Water in two west Spitsbergen fjords over the last century (1912-2009) 

    Pavlov, Alexey K.; Tverberg, Vigdis; Ivanov, Boris; Nilsen, Frank; Falk-Petersen, Stig; Granskog, Mats A. (Co-Action PublishingNorwegian Polar Institute, 2013-05-06)
    The recently observed warming of west Spitsbergen fjords has led to anomalous sea-ice conditions and has implications for the marine ecosystem. We investigated long-term trends of maximum temperature of Atlantic Water (AW) ...
  • The BLLAST field experiment: Boundary-Layer late afternoon and sunset turbulence 

    Lothon, Marie; Louhou, Fabienne; Pino, David; Couvreux, Fleur; Pardyjak, Erik; Reuder, Joachim; Vilà-Guerau De Arellano, Jordi; Durand, Pierre; Hartogensis, Oscar K.; Legain, Dominique; Augustin, Patrick V.; Gioli, Beniamino; Lenschow, Donald H.; Faloona, Ian C.; Yagüe, Carlos; Alexander, Daniel C.; Angevine, Wayne M.; Bargain, Erwan; Barrié, Joël; Bazile, Eric; Bezombes, Yannick; Blay-Carreras, Estel; Van De Boer, Anneke; Boichard, Jean Luc; Bourdon, Anne; Butet, Alain; Campistron, Bernard A.; De Coster, Olivier; Cuxart, Joan; Dabas, Alain M.; Darbieu, Clara; Deboudt, Karine; Delbarre, Hervé; Derrien, Solène; Flament, Pascal; Fourmentin, Marc; Garai, Anirban; Gibert, Fabien; Graf, Alexander T.; Gröbner, Julian; Guichard, Françoise; Jiménez, Mantonia Antonia; Jonassen, Marius Opsanger; Van Den Kroonenberg, Aline C.; Magliulo, Vincenzo; Martin, Sabrina; Martinez, Daniel; Mastrorillo, Laurence; Moene, Arnold F.; Molinos, Francisco Lendinez; Moulin, Emilie; Pietersen, Henk P.; Piguet, Bruno; Pique, Eric; Román-Cascón, Carlos; Rufin-Soler, Caroline; Saïd, Frédérique; Sastre-Marugán, Mariano; Seity, Yann; Steeneveld, Gert Jan; Toscano, Piero; Traullé, Olivier; Tzanos, Diane; Wacker, Stefan; Wildmann, Norman; Zaldei, Alessandro (Copernicus Publications, 2014-10-16)
    Due to the major role of the sun in heating the earth's surface, the atmospheric planetary boundary layer over land is inherently marked by a diurnal cycle. The afternoon transition, the period of the day that connects the ...
  • Observed anomalous atmospheric patterns in summers of unusual Arctic sea icemelt 

    Knudsen, Erlend Moster (WileyAmerican Geophysical Union, 2015-04-16)
    The Arctic sea ice retreat has accelerated over the last decade. The negative trend is largest in summer, but substantial interannual variability still remains. Here we explore observed atmospheric conditions and feedback ...
  • Sea surface gravity wave - wind interaction in the marine atmospheric boundary layer 

    Bakhoday Paskyabi, Mostafa; Zieger, S; Jenkins, Alastair David; Babanin, A. V.; Chalikov, D (Elsevier, 2014)
    In this study, we investigate the turbulence structure over idealized wind-generated surface gravity waves with varying wave age using a wave-modified one-dimensional boundary layer model. To prescribe the shape of the ...
  • First results of turbulence measurements in a wind park with the Small Unmanned Meteorological Observer SUMO 

    Reuder, Joachim; Jonassen, Marius Opsanger (Elsevier, 2012-01)
    The Small Unmanned Meteorological Observer (SUMO), equipped with a miniaturized 5-hole probe for turbulent flow measurements with 100 Hz temporal resolution, has for the first time been operated in and around a wind farm. ...
  • Sensor movement correction for direct turbulence measurements in the marine atmospheric boundary layer 

    Flügge, Martin; Reuder, Joachim; Edson, James (Elsevier, 2012)
    Understanding of the turbulent exchange processes between the ocean and the overlying atmosphere is essential for wind shear and turbulence structure of the Marine Atmospheric Boundary Layer (MABL). This is highly relevant ...
  • Long-term surface pCO2 trends from observations and models 

    Tjiputra, Jerry; Olsen, Are; Bopp, Laurent; Lenton, Andrew; Pfeil, Benjamin; Roy, Tilla; Segschneider, Joachim; Totterdell, Ian; Heinze, Christoph (Co-Action PublishingThe International Meteorological Institute in Stockholm, 2014-05-19)
    We estimate regional long-term surface ocean pCO2 growth rates using all available underway and bottled biogeochemistry data collected over the past four decades. These observed regional trends are compared with those ...
  • Experimental characterization of the marine atmospheric boundary layer in the Havsul area, Norway 

    Christakos, Konstantinos; Reuder, Joachim; Furevik, Birgitte Rugaard (Elsevier, 2013)
    Offshore wind energy applications depend strongly on an improved knowledge of the physical processes taking place in marine atmospheric boundary layer (MABL). In particular the better understanding of the complex interactions ...
  • PVTx Properties of a Two-phase CO2 Jet from Ruptured Pipeline 

    Botnen, Helle Augdal; Omar, Abdirahman; Aavatsmark, Ivar; Alendal, Guttorm; Johannessen, Truls (Elsevier, 2013)
    Span and Wagner equation of state (SW EOS) have been used to investigate changes in the thermodynamic properties of CO2 during a depressurization process from a pipeline into marine environment. The process is assumed to ...
  • Preliminary results of the NORCOWE Direct Covariance Flux System for Ship based measurements 

    Flügge, Martin; Reuder, Joachim (Elsevier, 2013)
    To cover the increased demand of renewable energy the development of offshore wind turbines that can be placed in deep water has started. Model results from Sullivan et al. [2] indicate that the ocean has the ability to ...
  • Wintertime cyclone/anticyclone activity over China and its relation to upper tropospheric jets 

    Chen, Lei; Tan, Benkui; Kvamstø, Nils Gunnar; Johannessen, Ola M. (Co-Action PublishingThe International Meteorological Institute in Stockholm, 2014-01-16)
    In this study, the wintertime cyclone/anticyclone activity and its variability over China are examined based on the National Centers for Environmental Prediction/National Center for Atmospheric Research (NCEP/NCAR) reanalysis ...
  • Seasonal-to-decadal predictions with the ensemble kalman filter and the Norwegian earth System Model: A twin experiment 

    Counillon, Francois; Bethke, Ingo; Keenlyside, Noel; Bentsen, Mats; Bertino, Laurent; Zheng, Fei (Co-Action Publishing, 2014-03-10)
    Here, we firstly demonstrate the potential of an advanced flow dependent data assimilation method for performing seasonal-to-decadal prediction and secondly, reassess the use of sea surface temperature (SST) for initialisation ...
  • Wintertime cyclone/anticyclone activity over China and its relation to upper tropospheric jets 

    Chen, Lei; Tan, Benkui; Kvamstø, Nils G; Johannessen, Ola M (Co-Action Publishing, 2014-01-16)
    In this study, the wintertime cyclone/anticyclone activity and its variability over China are examined based on the National Centers for Environmental Prediction/National Center for Atmospheric Research (NCEP/NCAR) reanalysis ...
  • Modelling and observations of upwelling along the southwest coast of India and its intrusion into the Bay of Bengal, during summer monsoon 

    George, Mary Swapna (The University of Bergen, 2015-01-19)
    Coastal upwelling regions are among world´s most productive areas, with high levels of primary productivity and fishery potentials. The southwest coast of India is a classic example of such an upwelling system during the ...
  • Topographic effects on CO2, diffusion and dissolution from the seafloor 

    Rygg, Kristin; Enstad, Lars Inge; Alendal, Guttorm; Haugan, Peter Mosby (Elsevier, 2009-02)
    At 3000 meters depth liquid CO2 is denser than seawater and hence will be stored as a “lake” on the deep ocean floor, which is expected to gradually be dissolved in seawater. Ocean currents and turbulence will influence ...
  • A numerical study of transport and spreading of gases from natural analogues of gas-seepage through the seafloor 

    Enstad, Lars Inge; Alendal, Guttorm; Haugan, Peter Mosby (Elsevier, 2009-02)
    Natural leakages of CO2 are reported in the literature at mid ocean ridges and CH4 seepages in hydrocarbon rich ares. These could potentially serve as natural analogues of leakages from CO2 storages. In this study we have ...
  • Productivity in the Barents Sea - Response to recent climate variability 

    Dalpadado, Padmini; Arrigo, Kevin R.; Hjøllo, Solfrid Sætre; Rey, Francisco; Ingvaldsen, Randi; Sperfeld, Erik; van Dijken, Gert L.; Stige, Leif Christian; Olsen, Are; Ottersen, Geir (PLoS, 2014-05-01)
    The temporal and spatial dynamics of primary and secondary biomass/production in the Barents Sea since the late 1990s are examined using remote sensing data, observations and a coupled physical-biological model. Field ...
  • Northern Hemisphere storminess in the Norwegian Earth System Model (NorESM1-M) 

    Knudsen, Erlend Moster; Walsh, J. E. (Copernicus Publications, 2014-12-16)
    Metrics of storm activity in Northern Hemisphere high- and midlatitudes are evaluated from historical output and future projections by the Norwegian Earth System Model (NorESM1-M) coupled global climate model. The European ...
  • Linking Northern High-Latitude Cryospheric Changes to Large-Scale Atmospheric Circulation 

    Knudsen, Erlend Moster (The University of Bergen, 2015-03-20)
    Warming twice as fast as the rest of the globe, the northern high-latitudes arguably show the clearest evidences of observed and projected climate changes. Two of these are the rapid loss of Arctic sea ice and the shrinking ...

View more