Now showing items 831-850 of 1299

    • On radar imaging of current features: 2. Mesoscale eddy and current front detection 

      Johannessen, Johnny A.; Kudryavtsev, Vladimir; Akimov, D.; Eldevik, Tor; Winther, Nina Gjerde; Chapron, B. (Peer reviewed; Journal article, 2005-07-22)
      The surface signatures of meandering fronts and eddies have been regularly observed and documented in synthetic aperture radar (SAR) images. Wave-current interactions, the suppression of short wind waves by natural film, ...
    • On Stochastic Reduced-Order and LES-based Models of Offshore Wind Turbine Wakes 

      Bakhoday Paskyabi, Mostafa; Krutova, Maria; Nielsen, Finn Gunnar; Reuder, Joachim; Guernaoui, O. EL. (Journal article; Peer reviewed, 2020)
      In this paper, the primary objective is to investigate flow structures in the wake of wind turbines based on applying a truncated Proper Orthogonal Decomposition (POD) approach. This scheme decomposes the three-dimensional ...
    • On the Dynamics and Water Mass Transformation of a Boundary Current Connecting Alpha and Beta Oceans 

      Lambert, Erwin; Eldevik, Tor; Spall, Michael A. (Peer reviewed; Journal article, 2018-10-19)
      A subpolar marginal sea, like the Nordic seas, is a transition zone between the temperature-stratified subtropics (the alpha ocean) and the salinity-stratified polar regions (the beta ocean). An inflow of Atlantic Water ...
    • On the effect of climate trends in coastal density on deep water renewal frequency in sill fjords—A statistical approach 

      Darelius, Elin Maria K. (Journal article; Peer reviewed, 2020)
      The basin water of a sill fjord is renewed intermittently, when the density of the water at sill level in the ocean outside the fjord is high enough for it to sink down to the bottom of the fjord. How often the basin water ...
    • On the effect of nocturnal radiation fog on the development of the daytime convective boundary layer: A large-eddy simulation study 

      Schwenkel, Johannes; Maronga, Bjørn (Journal article; Peer reviewed, 2022)
      The potential effect of failing to predict nocturnal deep radiation fog on the development of the daytime convective boundary layer (CBL) is studied using large-eddy simulations. Typical spring and autumn conditions for ...
    • On the effect of topography and wind on warm water inflow— An idealized study of the southern Weddell Sea continental shelf system 

      Daae, Kjersti; Hattermann, Tore; Darelius, Elin Maria K.; Fer, Ilker (Peer reviewed; Journal article, 2017-03)
      An idealized eddy-resolving numerical model, with topographic features common to the southern Weddell Sea, is constructed to study mechanisms through which warm deep water enters a wide continental shelf with a trough. The ...
    • On the Freshwater Transport in the Fram Strait 

      Karpouzoglou, Theodoros (Doctoral thesis, 2023-11-03)
      Ferskvann fra Arktisk er en nøkkelparameter i det globale klimasystemet. Arktisk ferskvann har sin opprinnelse fra nedbør eller havis-smelting, og konsentrasjonen av det i havet varierer på flere tidsskalaer. Økningen i ...
    • On the future of Argo: A global, full-depth, multi-disciplinary array 

      Roemmich, Dean; Alford, Matthew H.; Claustre, Herve; Johnson, Kenneth S.; King, Brian; Moum, James; Oke, Peter R.; Owens, W. Brechner; Pouliquen, Sylvie; Purkey, Sarah; Scanderbeg, Megan; Suga, Toshio; Wijffels, Susan E.; Zilberman, Nathalie; Bakker, Dorothee; Baringer, Molly O.; Belbeoch, Mathieu; Bittig, Henry C.; Boss, Emmanuel; Calil, Paulo; Carse, Fiona; Carval, Thierry; Chai, Fei; Conchubhair, Diarmuid Ó.; D'Ortenzio, Fabrizio; Dall'Olmo, Giorgio; Desbruyeres, Damien; Fennel, Katja; Fer, Ilker; Ferrari, Raffaele; Forget, Gael; Freeland, Howard; Fujiki, Tetsuichi; Gehlen, Marion; Greenan, Blair; Hallberg, Robert; Hibiya, Toshiyuki; Hosoda, Shigeki; Jayne, Steven; Jochum, Markus; Johnson, Gregory C.; Kang, KiRyong; Kolodziejczyk, Nicolas; Körtzinger, Arne; Le Traon, Pierre-Yves; Lenn, Yueng-Djern; Maze, Guillaume; Mork, Kjell Arne; Morris, Tamaryn; Nagai, Takeyoshi; Nash, Jonathan; Garabato, Alberto N.; Olsen, Are; Pattabhi, Rama R.; Prakash, Satya; Riser, Stephen; Schmechtig, Catherin; Shroyer, Emily; Sterl, Andreas; Sutton, Philip; Talley, Lynne; Tanhua, Toste; Thierry, Virginie; Thomalla, Sandy; Toole, John; Troisi, Ariel; Trull, Thomas W.; Turton, Jonathan D.; Vélez-Belchi, Pedro Joaquin; Walczowski, Waldemar; Wang, Haili; Wanninkhof, Rik; Waterhouse, Amy F.; Watson, Andrew; Wilson, Cara; Wong, Annie P.S.; Xu, Jianping; Yasuda, Ichiro (Peer reviewed; Journal article, 2019-08-02)
      The Argo Program has been implemented and sustained for almost two decades, as a global array of about 4000 profiling floats. Argo provides continuous observations of ocean temperature and salinity versus pressure, from ...
    • On the future of Argo: A global, full-depth, multi-disciplinary array 

      Roemmich, Dean; Alford, Matthew H.; Claustre, Herve; Johnson, Kenneth S.; King, Brian; Moum, James; Oke, Peter R.; Owens, W. Brechner; Pouliquen, Sylvie; Purkey, Sarah; Scanderbeg, Megan; Suga, Toshio; Wijffels, Susan E.; Zilberman, Nathalie; Bakker, Dorothee; Baringer, Molly O.; Belbeoch, Mathieu; Bittig, Henry C.; Boss, Emmanuel; Calil, Paulo; Carse, Fiona; Carval, Thierry; Chai, Fei; Conchubhair, Diarmuid Ó.; D'Ortenzio, Fabrizio; Dall'Olmo, Giorgio; Desbruyeres, Damien; Fennel, Katja; Fer, Ilker; Ferrari, Raffaele; Forget, Gael; Freeland, Howard; Fujiki, Tetsuichi; Gehlen, Marion; Greenan, Blair; Hallberg, Robert; Hibiya, Toshiyuki; Hosoda, Shigeki; Jayne, Steven; Jochum, Markus; Johnson, Gregory C.; Kang, KiRyong; Kolodziejczyk, Nicolas; Körtzinger, Arne; Le Traon, Pierre-Yves; Lenn, Yueng-Djern; Maze, Guillaume; Mork, Kjell Arne; Morris, Tamaryn; Nagai, Takeyoshi; Nash, Jonathan; Garabato, Alberto N.; Olsen, Are; Pattabhi, Rama R.; Prakash, Satya; Riser, Stephen; Schmechtig, Catherin; Shroyer, Emily; Sterl, Andreas; Sutton, Philip; Talley, Lynne; Tanhua, Toste; Thierry, Virginie; Thomalla, Sandy; Toole, John; Troisi, Ariel; Trull, Thomas W.; Turton, Jonathan D.; Vélez-Belchi, Pedro Joaquin; Walczowski, Waldemar; Wang, Haili; Wanninkhof, Rik; Waterhouse, Amy F.; Watson, Andrew; Wilson, Cara; Wong, Annie P.S.; Xu, Jianping; Yasuda, Ichiro (Peer reviewed; Journal article, 2019-08-02)
      The Argo Program has been implemented and sustained for almost two decades, as a global array of about 4000 profiling floats. Argo provides continuous observations of ocean temperature and salinity versus pressure, from ...
    • On the Groupiness and Intermittency of Oceanic Whitecaps 

      Malila, Mika Petteri; Thomson, J.; Breivik, Øyvind; Benetazzo, A.; Scanlon, B.; Ward, B. (Journal article; Peer reviewed, 2022)
      The enhancement of wave breaking activity during wave group passage is investigated using coherent field observations of the instantaneous sea surface elevation and whitecap coverage from platform-based stereo video ...
    • On the Influence of Latent and Sensible Heating for Maintaining Baroclinicity in the Gulf Stream Region 

      Dahl-Eriksen, Ståle (Master thesis, 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 the ...
    • On the Influence of Sea Surface Temperature distributions on the Development of Extratropical Cyclones 

      Bui, Hai Hoang; Spengler, Thomas (Journal article; Peer reviewed, 2021)
      The sea surface temperature (SST) distribution can modulate the development of extratropical cyclones through sensible and latent heat fluxes. However, the direct and indirect effects of these surface fluxes, and thus the ...
    • On the Influence of Sea Surface Temperatures on Cyclone Characteristics in the Gulf Stream and Kuroshio Region 

      Tsopouridis, Leonidas (Doctoral thesis, 2021-01-29)
      The Gulf Stream and the Kuroshio are the western boundary currents in the North Atlantic and North Pacific, respectively and are associated with maxima in midlatitude precipitation and air-sea heat exchange in the midlatitudes. ...
    • On the link between cold fronts and hail in Switzerland 

      Schemm, Sebastian; Nisi, Luca; Martinov, Andrey; Leuenberger, Daniel; Martius, Olivia (Peer reviewed; Journal article, 2016-05)
      Hail is the costliest atmospheric hazard in Switzerland, causing substantial damage to agriculture, cars and buildings every year. In this study, a 12-year statistic of objectively identified cold fronts and a radar-based ...
    • On the modulation of the periodicity of the Faroe Bank Channel overflow instabilities 

      Darelius, Elin Maria K.; Fer, Ilker; Rasmussen, Till; Guo, Chuncheng; Larsen, Karin Margretha Húsgarð (Peer reviewed; Journal article, 2015-10-26)
      The Faroe Bank Channel (FBC) is one of the ma- jor pathways where dense, cold water formed in the Nordic Seas flows southward as a bottom-attached energetic plume towards the North Atlantic. The plume region downstream of ...
    • On the nature of the factors that control spring bloom development at the entrance to the Barents Sea and their interannual variability 

      Olsen, Are; Johannessen, Truls; Rey, Francisco (Journal article, 2003-12)
      Analysis of data obtained by the Institute of Marine Research, Norway, at their regular surveys of the Fugløya-Bjørnøya section, between the northern tip of Norway and Bear Island, has allowed for an identification of the ...
    • On the Nordic Seas’ role in the Atlantic Meridional Overturning Circulation 

      Iovino, Doroteaciro (Doctoral thesis, 2007-06-27)
      In the present climate, the North Atlantic thermohaline circulation (THC) plays a fundamental role in the global transport of heat at high latitudes. The response of the North Atlantic Ocean-Nordic Seas THC to surface ...
    • On the Oceanic and Atmospheric Mechanisms Driving the Basal Melting of Fimbulisen Ice Shelf, East Antarctica 

      Lauber, Julius (Doctoral thesis, 2024-06-13)
      Den fremtidige massebalansen til innlandsisen i Øst-Antarktis er den største usikkerheten i prognoser om global havnivåstigning. Et betydelig bidrag til tapet av isen kommer fra oseanisk smelting av isbremmer, de flytende ...
    • On the Origins of Open Ocean Oxygen Minimum Zones 

      Davila, Xabier; Olsen, Are; Lauvset, Siv Kari; McDonagh, Elaine Louise; Brakstad, Ailin; Gebbie, Geoffrey (Journal article; Peer reviewed, 2023)
      Recent work suggests that Oxygen Minimum Zones (OMZs) are sustained by the supply of oxygen-poor waters rather than the export of organic matter from the local surface layer and its subsequent remineralization inside OMZs. ...