• Along‐stream, seasonal, and interannual variability of the North Icelandic Irminger Current and East Icelandic Current around Iceland 

      Casanova-Masjoan, M; Perez-Hernandez, MD; Pickart, Robert S.; Valdimarsson, Héðinn; Ólafsdóttir, SR; Macrander, Andreas; Grisolía-Santos, D; Torres, Daniel J.; Jónsson, Steingrímur; Våge, Kjetil; Lin, Peigen; Hernández-Guerra, A (Journal article; Peer reviewed, 2020)
      Data from repeat hydrographic surveys over the 25-year period 1993 to 2017, together with satellite altimetry data, are used to quantify the temporal and spatial variability of the North Icelandic Irminger Current (NIIC), ...
    • Atlantic Water Boundary Current Along the Southern Yermak Plateau, Arctic Ocean 

      Fer, Ilker; Peterson, Algot Kristoffer; Nilsen, Frank (Journal article; Peer reviewed, 2023)
      The major ocean current that carries heat into the Arctic Ocean splits into three main branches of Atlantic Water (AW) and recirculations when it encounters the Yermak Plateau (YP) located north of Svalbard. While the ...
    • Atlantic Water Circulation and Properties Northwest of Svalbard During Anomalous Southerly Winds 

      Koenig, Zoe Charlotte; Meyer, Amelie; Provost, Christine; Sennéchael, Nathalie; Sundfjord, Arild; Gascard, Jean-Claude (Journal article; Peer reviewed, 2022)
      Atlantic Water (AW), the main source of heat and salt for the Arctic Ocean, undergoes large transformations (cooling and freshening) north of Svalbard as it flows near the surface above the Yermak Plateau (YP). In September ...
    • Atlantic water properties, transport and heat loss from mooring observations north of Svalbard 

      Koenig, Zoe Charlotte; Kalhagen, Kjersti; Kolås, Eivind Hugaas; Fer, Ilker; Nilsen, Frank; Cottier, Finlo (Journal article; Peer reviewed, 2022)
      The Atlantic Water inflow to the Arctic Ocean is transformed and modified in the area north of Svalbard, which influences the Arctic Ocean heat and salt budget. Year-round observations are relatively sparse in this region ...
    • Data availability principles and practice 

      Smith, J. A.; Cessi, P.; Fer, Ilker; Foltz, G.; Fox-Kemper, Baylor; Heywood, Karen; Jones, N.; Klymak, Jody; Lacasce, Joseph Henry (Journal article, 2020)
    • Decadal Changes in Ventilation and Anthropogenic Carbon in the Nordic Seas 

      Jeansson, Emil; Tanhua, Toste; Olsen, Are; Smethie Jr., William M.; Rajasakaren, Balamuralli; Olafsdóttir, Solveig R.; Ólafsson, Jón (Journal article; Peer reviewed, 2023)
      We evaluate the decadal evolution of ventilation and anthropogenic carbon (Cant) in the Nordic Seas between 1982 and the 2010s. Ventilation changes on decadal timescale are identified by evaluating decadal changes in mean ...
    • Evolution and Transformation of the North Icelandic Irminger Current Along the North Iceland Shelf 

      Semper, Stefanie; Våge, Kjetil; Pickart, Robert S.; Jónsson, Steingrímur; Valdimarsson, Hedinn (Journal article; Peer reviewed, 2022)
      The North Icelandic Irminger Current (NIIC) flowing northward through Denmark Strait is the main source of salt and heat to the north Iceland shelf. We quantify its along-stream evolution using the first high-resolution ...
    • Exceptionally Warm and Prolonged Flow of Warm Deep Water Toward the Filchner‐Ronne Ice Shelf in 2017 

      Ryan, Svenja; Hellmer, Hartmut H.; Janout, Markus; Darelius, Elin Maria K.; Schröder, Michael; Vignes, Lucie (Journal article; Peer reviewed, 2020)
      The Filchner-Ronne Ice Shelf, fringing the southern Weddell Sea, is Antarctica's second largest ice shelf. At present, basal melt rates are low due to active dense water formation; however, model projections suggest a ...
    • Fate of Warm Pacific Water in the Arctic Basin 

      Lin, Peigen; Pickart, Robert S.; Våge, Kjetil; Li, Jianqiang (Journal article; Peer reviewed, 2021)
      Pacific Summer Water (PSW) plays a critical role in the ecosystem of the western Arctic Ocean, impacting sea-ice melt and providing freshwater to the basin. Most of the water exits the Chukchi Sea shelf through Barrow ...
    • Formation and pathways of dense water in the Nordic Seas based on a regional inversion 

      Brakstad, Ailin Dale; Gebbie, Geoffrey; Våge, Kjetil; Jeansson, Emil; Olafsdóttir, Solveig R. (Journal article; Peer reviewed, 2023)
      Dense waters formed in the Nordic Seas spill across gaps in the Greenland-Scotland Ridge into the abyss of the North Atlantic to feed the lower limb of the Atlantic Meridional Overturning Circulation. The overflow water ...
    • From winter to late summer in the northwestern Barents Sea shelf: Impacts of seasonal progression of sea ice and upper ocean on nutrient and phytoplankton dynamics 

      Koenig, Zoe Charlotte; Muilwijk, Morven; Sandven, Håkon Johan; Lundesgaard, Øyvind; Assmy, Philipp Kurt Wolf; Lind, Sigrid Gjessing; Assmann, Karen; Chierici, Melissa; Fransson, Agneta; Gerland, Sebastian; Jones, Elizabeth Marie; Renner, Angelika; Granskog, Mats (Journal article; Peer reviewed, 2024)
      Strong seasonality is a key feature of high-latitude systems like the Barents Sea. While the interannual variability and long-term changes of the Barents Sea are well-documented, the seasonal progression of the physical ...
    • A full year of turbulence measurements from a drift campaign in the Arctic Ocean 2019-2020 

      Schulz, K.; Mohrholz, Volker; Fer, Ilker; Janout, Markus; Hoppmann, Mario; Schaffer, Janin; Koenig, Zoe Charlotte (Journal article; Peer reviewed, 2022)
      Ocean turbulent mixing is a key process in the global climate system, regulating ocean circulation and the uptake and redistribution of heat, carbon, nutrients, oxygen and other tracers. In polar oceans, turbulent heat ...
    • The Generation of Linear and Nonlinear Internal Waves Forced by Subinertial Tides over the Yermak Plateau, Arctic Ocean 

      Urbancic, Gabin; Lamb, Kevin G.; Fer, Ilker; Padman, Laurie (Journal article; Peer reviewed, 2022)
      The propagation of internal waves (IWs) of tidal frequency is inhibited poleward of the critical latitude, where the tidal frequency is equal to the Coriolis frequency (f). These subinertial IWs may propagate in the presence ...
    • How warm Gulf Stream water sustains a cold underwater waterfall 

      Semper, Stefanie; Glessmer, Mirjam Sophia; Våge, Kjetil; Pickart, Robert S. (Journal article, 2022)
      The most famous ocean current, the Gulf Stream, is part of a large system of currents that brings warm water from Florida to Europe. It is a main reason for northwestern Europe’s mild climate. What happens to the warm water ...
    • The Iceland-Faroe Slope Jet: a conduit for dense water toward the Faroe Bank Channel overflow 

      Semper, Stefanie; Pickart, Robert S.; Våge, Kjetil; Larsen, Karin Margretha H.; Hátún, Hjálmar; Hansen, Bogi (Journal article; Peer reviewed, 2020)
      Dense water from the Nordic Seas passes through the Faroe Bank Channel and supplies the lower limb of the Atlantic Meridional Overturning Circulation, a critical component of the climate system. Yet, the upstream pathways ...
    • Intensification of Near‐Surface Currents and Shear in the Eastern Arctic Ocean 

      Polyakov, Igor V.; Rippeth, Tom; Fer, Ilker; Baumann, Till Martin; Carmack, Eddy C.; Ivanov, Vladimir V.; Janout, Markus; Padman, Laurie; Pnyushkov, A.V.; Rember, Robert (Journal article; Peer reviewed, 2020)
      A 15‐year (2004–2018) record of mooring observations from the upper 50 m of the ocean in the eastern Eurasian Basin reveals increased current speeds and vertical shear, associated with an increasing coupling between wind, ...
    • Mechanisms of offshore solid and liquid freshwater flux from the East Greenland Current 

      Spall, Michael A.; Semper, Stefanie; Våge, Kjetil (Journal article; Peer reviewed, 2024)
      The mechanisms that control the export of freshwater from the East Greenland Current, in both liquid and solid form, are explored using an idealized numerical model and scaling theory. A regional, coupled ocean–sea ice ...
    • 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 ...
    • 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 ...
    • Overview of the MOSAiC expedition: Physical oceanography 

      Rabe, Benjamin; Baumann, Till Martin; Divine, Dmitry; Fer, Ilker; Gradinger, Rolf Rudolf; Granskog, Mats; Koenig, Zoe Charlotte; Muilwijk, Morven; Sundfjord, Arild (Journal article; Peer reviewed, 2022)
      Arctic Ocean properties and processes are highly relevant to the regional and global coupled climate system, yet still scarcely observed, especially in winter. Team OCEAN conducted a full year of physical oceanography ...