• Observation and Simulation of Ice Tongues and Vortex Pairs in the Marginal Ice Zone 

      Johannessen, Ola M.; Sandven, Stein; Budgell, W. Paul; Johannessen, Johnny A.; Shuchman, Robert A. (Geophysical Monograph 85, Chapter, 1994)
      Recognizes the major advancements of the past decade in understanding the interactions among the polar oceans and global atmospheric and oceanic systems. This volume addresses the following topics: Polar Ocean Circulation ...
    • Observational validation of the diffusive convection flux laws in the Amundsen Basin, Arctic Ocean 

      Guthrie, John D.; Fer, Ilker; Morison, James H. (Peer reviewed; Journal article, 2015-12)
      The low levels of mechanically driven mixing in many regions of the Arctic Ocean make double diffusive convection virtually the only mechanism for moving heat up from the core of Atlantic Water towards the surface. In an ...
    • Observations of barotropic oscillations and their influence on mixing in the Faroe bank channel overflow region 

      Darelius, Elin Maria K.; Ullgren, Jenny; Fer, Ilker (Peer reviewed; Journal article, 2013)
      Observations of hydrography, currents, and microstructure are presented together with sea surface height (SSH) patterns from concurrent satellite tracks to describe the subinertial oscillations in the region downstream of ...
    • Observations of bridge stay cable vibrations in dry and wet conditions: A case study 

      Daniotti, Nicolo; Jakobsen, Jasna Bogunovic; Snæbjørnsson, Jonas Thor; Cheynet, Etienne; Wang, Jungao (Journal article; Peer reviewed, 2021-04-01)
      The characteristics of wind- and rain-wind-induced vibrations of bridge stay cables are studied by using ambient vibrations records acquired on a cable-stayed bridge. Mean wind speed and wind-cable angle, as well as the ...
    • Observations of brine plumes below Arctic sea ice 

      Peterson, Algot Kristoffer (Journal article, 2017)
      In sea ice, interconnected pockets and channels of brine are surrounded by fresh ice. Over time, brine is lost by gravity drainage and flushing. The timing of salt release and its interaction with the underlying water can ...
    • Observations of energetic turbulence on the Weddell Sea continental slope 

      Fer, Ilker; Darelius, Elin Maria K.; Daae, Kjersti Birkeland (Peer reviewed; Journal article, 2016-01-23)
      Turbulence profile measurements made on the upper continental slope and shelf of the southeastern Weddell Sea reveal striking contrasts in dissipation and mixing rates between the two sites. The mean profiles of dissipation ...
    • Observations of highly regular oscillations in the overflow plume downstream of the Faroe Bank Channel 

      Geyer, Florian; Østerhus, Svein; Hansen, Bogi; Quadfasel, D. (Peer reviewed; Journal article, 2006-12-23)
      The Faroe Bank Channel (FBC) is the deepest connection between the Atlantic Ocean and the Nordic Seas. This work describes the dynamic properties of the plume of dense overflow water descending from the Faroe Bank Channel ...
    • Observations of the Storfjorden overflow 

      Fer, Ilker; Skogseth, Ragnheid; Haugan, Peter Mosby (Peer reviewed; Journal article, 2003)
      The mixing and spreading of the Storfjorden overflow were investigated with density and horizontal velocity profiles collected at closely spaced stations. The dense bottom water generated by strong winter cooling, enhanced ...
    • Observations of Turbulence at a Near-Surface Temperature Front in the Arctic Ocean 

      Koenig, Zoé Charlotte; Fer, Ilker; Kolås, Eivind; Fossum, Trygve Olav; Norgren, Petter; Ludvigsen, Martin (Journal article; Peer reviewed, 2020)
      High-resolution ocean temperature, salinity, current, and turbulence data were collected at an Arctic thermohaline front in the Nansen Basin. The front was close to the sea ice edge and separated the cold and fresh surface ...
    • Observed anomalous atmospheric patterns in summers of unusual Arctic sea icemelt 

      Knudsen, Erlend Moster (Peer reviewed; Journal article, 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 ...
    • Observed vulnerability of Filchner-Ronne Ice Shelf to wind-driven inflow of warm deep water 

      Darelius, Elin Maria K.; Fer, Ilker; Nicholls, Keith W. (Peer reviewed; Journal article, 2016-08-02)
      The average rate of melting at the base of the large Filchner-Ronne Ice Shelf in the southern Weddell Sea is currently low, but projected to increase dramatically within the next century. In a model study, melt rates ...
    • Ocean abyssal carbon experiments at 0.7 and 4 km depth 

      Haugan, Peter Mosby; Brewer, Peter G.; Peltzer, Edward T.; Walz, Peter; Aya, Izuo; Yamane, Kenji; Kojima, Ryuji; Nakajima, Yasuharu; Nakayama, Noriko; Hove, Joakim; Johannessen, Truls; Bellerby, Richard G. J.; Alendal, Guttorm (Journal article, 2005)
      Observations from small-scale (20 to 90 litres) CO2 experiments conducted off the coast of California at 684 m depth and at 3942 m depth are discussed. In both experiments, when the seawater velocity was sufficiently strong, ...
    • Ocean acidication in the Arabian Sea and the Red Sea - factors controlling pH 

      Omer, Waleed Mahmood M. Ahme (Master thesis, 2010-06-01)
      The CO2 increase in the ocean due to uptake of anthropogenic CO2 and the companying lowering of ocean pH is of major concern. In this study we investigated the variability of CO2 system parameters, focusing particularly ...
    • Ocean acidification in the subpolar North Atlantic: rates and mechanisms controlling pH changes 

      García-Ibáñez, Maribel I.; Zunino, Patricia; Fröb, Friederike; Carracedo, Lidia I.; Ríos, Aida F.; Mercier, Herlé; Olsen, Are; Pérez, Fiz F. (Peer reviewed; Journal article, 2016-06-23)
      Repeated hydrographic sections provide critically needed data on and understanding of changes in basin-wide ocean CO2 chemistry over multi-decadal timescales. Here, high-quality measurements collected at twelve cruises ...
    • Ocean Biogeochemical Predictions—Initialization and Limits of Predictability 

      Fransner, Filippa; Counillon, Francois; Bethke, Ingo; Tjiputra, Jerry; Samuelsen, Annette; Nummelin, Aleksi; Olsen, Are (Journal article; Peer reviewed, 2020)
      Predictions of ocean biogeochemistry, such as primary productivity and CO2 uptake, would help to understand the changing marine environment and the global climate. There is an emerging number of studies where initialization ...
    • Ocean biogeochemistry in the Norwegian Earth System Model version 2 (NorESM2) 

      Tjiputra, Jerry; Schwinger, Jörg; Bentsen, Mats; Morée, Anne; Gao, Shuang; Bethke, Ingo; Heinze, Christoph; Goris, Nadine; Gupta, Alok Kumar; He, Yan-Chun; Oliviè, Dirk Jan Leo; Seland, Øyvind; Schulz, Michael (Journal article; Peer reviewed, 2020)
      The ocean carbon cycle is a key player in the climate system through its role in regulating the atmospheric carbon dioxide concentration and other processes that alter the Earth's radiative balance. In the second version ...
    • The ocean carbon sink - impacts, vulnerabilities and challenges 

      Heinze, Christoph; Meyer, Stefanie; Goris, Nadine; Anderson, Leif; Steinfeldt, Rainer; Chang, Nicolette; Le Quéré, Corinne; Bakker, Dorothée C.E. (Peer reviewed; Journal article, 2015-06-09)
      Carbon dioxide (CO2) is, next to water vapour, considered to be the most important natural greenhouse gas on Earth. Rapidly rising atmospheric CO2 concentrations caused by human actions such as fossil fuel burning, land-use ...
    • Ocean circulation and climate at the Eemian and last glacial inception 

      Born, Andreas (Doctoral thesis, 2010-09-24)
      Combining a hierarchy of climate models of varying complexity with marine proxy data, we show that the North Atlantic surface circulation played an important role for the climate of the Eemian and the last glacial inception. ...
    • Ocean convection linked to the recent ice edge retreat along east Greenland 

      Våge, Kjetil; Papritz, Lukas; Håvik, Lisbeth; Spall, Michael A.; Moore, George William Kent (Peer reviewed; Journal article, 2018-03-29)
      Warm subtropical-origin Atlantic water flows northward across the Greenland-Scotland Ridge into the Nordic Seas, where it relinquishes heat to the atmosphere and gradually transforms into dense Atlantic-origin water. ...
    • Ocean FAIR data services 

      Tanhua, Toste; Pouliquen, Sylvie; Hausman, Jessica; O'Brien, Kevin M.; Bricher, Pip; de Bruin, Taco; Buck, Justin J.; Burger, Eugene F.; Carval, Thierry; Casey, Kenneth S.; Diggs, Steve; Giorgetti, Alessandra; Glaves, Helen; Harscoat, Valerie; Kinkade, Danie; Muelbert, Jose H.; Novellino, Antonio; Pfeil, Benjamin; Pulsifer, Peter; van de Putte, Anton P.; Robinson, Erin; Shaap, Dick; Smirnov, Alexander; Smith, Neville; Snowden, Derrick P.; Spears, Tobias; Stall, Shelley; Tacoma, Marten; Thijsse, Peter; Tronstad, Stein; Vandenberghe, Thomas; Wengren, Micha; Wyborn, Lesley; Zhao, Zhiming (Peer reviewed; Journal article, 2019-08-07)
      Well-founded data management systems are of vital importance for ocean observing systems as they ensure that essential data are not only collected but also retained and made accessible for analysis and application by current ...