Now showing items 714-733 of 776

    • The UN decade of ocean science for sustainable development 

      Ryabinin, Vladimir; Barbière, Julian; Haugan, Peter M.; Kullenberg, Gunnar; Smith, Neville; McLean, Craig; Troisi, Ariel; Fischer, Albert S.; Aricò, Salvatore; Aarup, Thorkild; Pissierssens, Peter; Visbeck, Martin; Enevoldsen, Henrik; Rigaud, Julie (Peer reviewed; Journal article, 2019-07-31)
      Our civilization needs a clean, resilient, productive, safe, well-observed, documented and predicted ocean. “The ocean we need for the future we want” was the motto of the Intergovernmental Oceanographic Commission proposal ...
    • Uncertainties in Arctic sea ice thickness and volume: new estimates and implications for trends 

      Zygmuntowska, Marta; Rampal, Pierre; Ivanova, Natalia; Smedsrud, Lars Henrik (Peer reviewed; Journal article, 2014-04-22)
      Sea ice volume has decreased in the last decades, evoked by changes in sea ice area and thickness. Estimates of sea ice area and thickness rely on a number of geophysical parameters which introduce large uncertainties. To ...
    • Uncertainty in twenty-first century projections of the Atlantic Meridional Overturning Circulation in CMIP3 and CMIP5 models 

      Reintges, Annika; Martin, Thomas; Latif, Mojib; Keenlyside, Noel (Peer reviewed; Journal article, 2016-05-26)
      Uncertainty in the strength of the Atlantic Meridional Overturning Circulation (AMOC) is analyzed in the Coupled Model Intercomparison Project Phase 3 (CMIP3) and Phase 5 (CMIP5) projections for the twenty-first century; ...
    • Understanding of European Cold Extremes, Sudden Stratospheric Warming, and Siberian Snow Accumulation in the Winter of 2017/18 

      Lü, Zhuozhuo; Li, Fei; Orsolini, Yvan; Gao, Yongqi; He, Shengping (Peer reviewed; Journal article, 2020)
      It is unclear whether the Eurasian snow plays a role in the tropospheric driving of sudden stratospheric warming (SSW). The major SSW event of February 2018 is analyzed using reanalysis datasets. Characterized by predominant ...
    • Understanding the role of organic matter cycling for the spatio-temporal structure of PCBs in the North Sea 

      Daewel, Ute; Yakushev, Evgeniy; Schrum, Corinna; Nizzetto, Luca; Mikheeva, Elena (Journal article; Peer reviewed, 2020)
      Using the North Sea as a case scenario, a combined three-dimensional hydrodynamic-biogeochemical-pollutant model was applied for simulating the seasonal variability of the distribution of hydrophobic chemical pollutants ...
    • A uniform, quality controlled Surface Ocean CO2 Atlas (SOCAT) 

      Pfeil, Benjamin; Olsen, Are; Bakker, D. C. E.; Hankin, S.; Koyuk, H.; Kozyr, A.; Malczyk, J.; Manke, A.; Metzl, N.; Sabine, C. L.; Akl, J.; Alin, S. R.; Bates, N.; Bellerby, Richard; Borges, A.; Boutin, J.; Brown, P. J.; Cai, W.-J.; Chavez, F. P.; Chen, A.; Cosca, C.; Fassbender, A.; Feely, R. A.; González-Dávila, M.; Goyet, C.; Hales, B.; Hardman-Mountford, N.; Heinze, Christoph; Hood, M.; Hoppema, M.; Hunt, C. W.; Hydes, D.; Ishii, M.; Johannessen, Truls; Jones, S. D.; Key, R. M.; Körtzinger, A.; Landschützer, P.; Lauvset, Siv Kari; Lefèvre, 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, H.; Paterson, K.; Perez, F. F.; Pierrot, D.; Poisson, A.; Rios, A.F.; Santana-Casiano, J. M.; Salisbury, J.; Sarma, V. V. S. S.; Schlitzer, R.; Schneider, B.; Schuster, U.; Sieger, R.; Skjelvan, Ingunn; Steinhoff, T.; Suzuki, T.; Takahashi, T.; Tedesco, K.; Telszewski, M.; Thomas, H.; Tilbrook, B.; Tjiputra, Jerry; Vandemark, D.; Veness, T.; Wanninkhof, R.; Watson, A. J.; Weiss, R.; Wong, C.S.; Yoshikawa-Inoue, H. (Peer reviewed; Journal article, 2013)
      A well-documented, publicly available, global data set of surface ocean carbon dioxide (CO2) parameters has been called for by international groups for nearly two decades. The Surface Ocean CO2 Atlas (SOCAT) project was ...
    • Unravelling the March 1972 northwest Greenland windstorm with high-resolution numerical simulations 

      Tollinger, Mathias; Gohm, Alexander; Jonassen, Marius Opsanger (Peer reviewed; Journal article, 2019-08-07)
      Thule Air Base in northwest Greenland experienced an extreme windstorm during the night of 8/9 March 1972. The event is not among official WMO records because the anemometer broke after recording the highest gust of 93 m s−1. ...
    • Unusual subduction zones: Case studies in Colombia and Iran 

      Zarifi, Zoya (Doctoral thesis, 2007-02-16)
      Subduction zones, usually, are plate boundaries with the highest level of seismic activity. However, the distribution of seismicity in these plate margins is not uniform in the frequency and magnitude. Some margins produce ...
    • An update to the Surface Ocean CO2 Atlas (SOCAT version 2) 

      Bakker, Dorothee C.E.; Pfeil, Benjamin; Olsen, Are; Chierici, Melissa; Fransson, Agneta; Johannessen, Truls; Lauvset, Siv Kari; Skjelvan, Ingunn; Tjiputra, Jerry (Peer reviewed; Journal article, 2014-03-07)
      The Surface Ocean CO2 Atlas (SOCAT), an activity of the international marine carbon research community, provides access to synthesis and gridded fCO2 (fugacity of carbon dioxide) products for the surface oceans. Version 2 ...
    • An updated version of the global interior ocean biogeochemical data product, GLODAPv2.2020 

      Olsen, Are; Lange, Nico; Key, Robert M.; Tanhua, Toste; Bittig, Henry C.; Kozyr, Alexander; Alvarez, Marta; Azetsu-Scott, Kumiko; Becker, Susan; Brown, Peter; Carter, Brendan R; Da Cunha, Leticia Cotrim; Feely, Rickhard; van Heuven, Steven; Hoppema, Mario; Ishii, Masao; Jeansson, Emil; Jutterström, Sara; Landa, Camilla Stegen; Lauvset, Siv Kari; Michaelis, Patrick; Murata, Akihiko; Perez, F. Fiz; Pfeil, Gerrit Benjamin; Schirnick, Carsten; Steinfeldt, Reiner; Suzuki, Toru; Tilbrook, Bronte; Velo, Antón; Wanninkhof, Rik; Woosley, Ryan J. (Journal article; Peer reviewed, 2020)
      The Global Ocean Data Analysis Project (GLODAP) is a synthesis effort providing regular compilations of surface-to-bottom ocean biogeochemical data, with an emphasis on seawater inorganic carbon chemistry and related ...
    • Upper Ocean Response to Large Wind Farm Effect in the Presence of Surface Gravity Waves 

      Paskyabi, Mostafa Bakhoday; Fer, Ilker (Peer reviewed; Journal article, 2012)
      The upper ocean response in the presence of a wind farm is studied numerically, taking into account the effect of surface gravity waves. The farm geometry is a simplified rigid rectangle with characteristic size of L aligned ...
    • Upstream sources of the Denmark Strait Overflow: Observations from a high-resolution mooring array 

      Harden, Benjamin E.; Pickart, Robert S.; Valdimarsson, Héðinn; Våge, Kjetil; de Steur, Laura; Richards, Clark; Bahr, Frank; Torres, Dan; Børve, Eli; Jónsson, Steingrímur; Macrander, Andreas; Østerhus, Svein; Håvik, Lisbeth; Hattermann, Tore (Peer reviewed; Journal article, 2016)
      We present the first results from a densely instrumented mooring array upstream of the Denmark Strait sill, extending from the Iceland shelfbreak to the Greenland shelf. The array was deployed from September 2011 to July ...
    • Utilizing Solar Vapour Energy by Use of Nanofluids in a Direct Absorption Solar Collector 

      Ulset, Edda Torsdottir (Master thesis, 2018-01)
      Traditional solar thermal collectors and photovoltaic (PV) systems suffer from low energy conversion efficiencies. This is mainly due to high thermal losses from overheated absorber plates or solar cells. For steam generation ...
    • Validation of boundary layer parameterization schemes in the Weather Research and Forecasting Model (WRF) under the aspect of offshore wind energy applications - Part II: Boundary layer height and atmospheric stability 

      Krogsæter, Olav; Reuder, Joachim (Peer reviewed; Journal article, 2015-07)
      Five different planetary boundary layer (PBL) schemes in the Weather Research and Forecasting (WRF) model have been tested with respect to their capability to model boundary layer parameters relevant for offshore wind ...
    • Variability along the Atlantic water pathway in the forced Norwegian Earth System Model 

      Langehaug, Helene R.; Sandø, Anne Britt; Årthun, Marius; Ilicak, Mehmet (Peer reviewed; Journal article, 2018-03-27)
      The growing attention on mechanisms that can provide predictability on interannual-to-decadal time scales, makes it necessary to identify how well climate models represent such mechanisms. In this study we use a high (0.25° ...
    • Variability and decadal trends in the Isfjorden (Svalbard) ocean climate and circulation – An indicator for climate change in the European Arctic 

      Skogseth, Ragnheid; Olivier, Léa L.A.; Nilsen, Frank; Falck, Eva; Fraser, Neil J.; Tverberg, Vigdis; Ledang, Anna Birgitta; Vader, Anna; Jonassen, Marius Opsanger; Søreide, Janne; Cottier, Finlo Robert; Berge, Jørgen; Ivanov, Boris V.; Falk-Petersen, Stig (Journal article; Peer reviewed, 2020)
      Isfjorden, a broad Arctic fjord in western Spitsbergen, has shown significant changes in hydrography and inflow of Atlantic Water (AW) the last decades that only recently have been observed in the Arctic Ocean north of ...
    • Variability and mixing of the Filchner overflow plume on the continental slope,Weddell Sea 

      Daae, Kjersti; Fer, Ilker; Darelius, Elin Maria K. (Peer reviewed; Journal article, 2019-01)
      A large fraction of Antarctic Bottom Water is produced in the Weddell Sea, through mixing between the cold and dense shelf water masses and the warm and saline off-shelf water. We present observations of the dense Filchner ...
    • Variability at Ocean Weather Station M in the Norwegian Sea 

      Nilsen, Jan Even Øie (Conference object, 2003)
      Time series of temperature and salinity from Ocean Weather Station M are analysed for periodic cycles of interannual to decadal scale. Time evolutions of the spectra show various spectral peaks at all depths, but none of ...
    • Variability in deep water mass properties and mixing in the Norwegian Sea 

      Onarheim, Tore (Master thesis, 2016-12-19)
      Decadal variations of the Norwegian Sea Deep Water are presented for the 1990s and 2000s. While salinity values have only slightly increased for the Norwegian Basin, there is a noticeable increase in potential temperature ...