• 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; ...
    • Under-Ice Phytoplankton Blooms in the Central Arctic Ocean: Insights From the First Biogeochemical IAOOS Platform Drift in 2017 

      Boles, Elisabeth; Provost, Christine; Garçon, Veronique; Bertosio, Cécilia; Athanase, Marylou; Koenig, Zoé Charlotte; Sennéchael, Nathalie (Journal article; Peer reviewed, 2020)
      In April 2017, the first Ice Atmosphere Arctic Ocean Observing System (IAOOS) platform equipped with biogeochemical sensors was deployed near the North Pole. Over the next 8 months it meandered southward with the ice, ...
    • Understanding differences in North Atlantic poleward ocean heat transport and its variability in global climate models 

      Madonna, Erica; Sandø, Anne Britt (Journal article; Peer reviewed, 2021)
      The ocean heat transport from the North Atlantic to the Barents Sea impacts the sea ice extent and the energy budget of the Arctic. The analyzed climate models from the fifth (CMIP5) and sixth Coupled Model Intercomparison ...
    • 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 ...
    • Unfrozen Skewed Turbulence for Wind Loading on Structures 

      Cheynet, Etienne; Daniotti, Nicolo; Jakobsen, Jasna Bogunovic; Snæbjørnsson, Jonas Thor; Wang, Jungao (Journal article; Peer reviewed, 2022)
      The paper introduces an algorithm to generate a three-variate four-dimensional wind turbulence field suited for yawed wind dynamic load simulation. At large yaw angles, a relaxation of Taylor’s hypothesis of frozen turbulence ...
    • 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 ...
    • Unique relationship between tropical rainfall and SST to the north of the Mozambique Channel in boreal winter 

      Koseki, Shunya; Bhatt, Bhuwan Chandra (Journal article; Peer reviewed, 2017)
      In this study, we investigate a possible mechanism for the dichotomy in climatology of marine rainfall and sea surface temperature (SST) over a part of the Southwest Indian Ocean (SWIO) during boreal winter (January and ...
    • An unmanned aerial vehicle sampling platform for atmospheric water vapor isotopes in polar environments 

      Rozmiarek, Kevin S.; Vaughn, Bruce H.; Jones, Tyler R.; Morris, Valerie; Skorski, William B.; Hughes, Abigail G.; Elston, Jack; Wahl, Sonja; Faber, Anne-Katrine; Steen-Larsen, Hans Christian (Journal article; Peer reviewed, 2021)
      Above polar ice sheets, atmospheric water vapor exchange occurs across the planetary boundary layer (PBL) and is an important mechanism in a number of processes that affect the surface mass balance of the ice sheets. Yet, ...
    • Unmanned Aircraft Get Together: The LAPSE-RATE Campaign 

      de Boer, Gijs; Diehl, Constantin; Jacob, Jamey; Houston, Adam; Smith, Suzanne W.; Chilson, Phillip; Schmale, David; Intrieri, Janet; Pinto, J; Elston, Jack; Brus, David; Kemppinen, Osku; Clark, A; Lawrence, D.; Bailey, Sean C.C.; Sama, Michael P.; Frazier, Amy; Crick, Christopher; Natalie, Victoria; Pillar-Little, Elizabeth A.; Klein, Petra; Waugh, Sean; Lundquist, Julie K.; Barbieri, Lindsay; Kral, Stephan Thomas; Jensen, A; Dixon, Cory; Borenstein, Steve; Hesselius, Daniel; Human, Kathleen; Hall, P; Argrow, Brian; Thornberry, T; Wright, R; Kelly, James T. (Journal article; Peer reviewed, 2020)
      Members of the international community developing unmanned aircraft for atmospheric research conducted a highly successful coordinated flight week in Colorado during the summer of 2018 to collect measurements, develop ...
    • 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 ...
    • An updated version of the global interior ocean biogeochemical data product, GLODAPv2.2021 

      Lauvset, Siv Kari; Lange, Nico; Tanhua, Toste; Bittig, Henry C.; Olsen, Are; Kozyr, Alex; Alvarez, Marta; Becker, Susan; Brown, Pete; Carter, Brendan R.; Da Cunha, Leticia Cotrim; Feely, Richard A; van Heuven, Steven; Hoppema, Mario; Ishii, Masao; Jeansson, Emil; Jutterström, Sara; Jones, Stephen Daniel; Karlsen, Maren Kjos; Monaco, Claire Lo; Michaelis, Patrick; Murata, Akihiko; Perez, Fiz F; Pfeil, Gerrit Benjamin; Schirnick, Carsten; Steinfeldt, Reiner; Suzuki, Toru; Tilbrook, Bronte; Velo, Antón; Wanninkhof, Rik; Woosley, Ryan J.; Key, Robert M. (Journal article; Peer reviewed, 2021)
      The Global Ocean Data Analysis Project (GLODAP) is a synthesis effort providing regular compilations of surface-to-bottom ocean biogeochemical bottle 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 ...
    • Upper-ocean turbulence structure and ocean-ice drag coefficient estimates using an ascending microstructure profiler during the MOSAiC drift 

      Fer, Ilker; Baumann, Till Martin; Koenig, Zoe Charlotte; Muilwijk, Morven; Tippenhauer, Sandra (Journal article; Peer reviewed, 2022)
      Sea ice mediates the transfer of momentum, heat, and gas between the atmosphere and ocean. However, the under-ice boundary layer is not sufficiently constrained by observations. During the Multidisciplinary drifting ...
    • 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 ...