Blar i Bergen Open Research Archive på forfatter "Fer, Ilker"

Viser treff 21-40 av 84

    • Hydrography, transport and mixing of the West Spitsbergen Current: the Svalbard Branch in summer 2015 

      Kolås, Eivind; Fer, Ilker (Peer reviewed; Journal article, 2018-12-21)
      Measurements of ocean currents, stratification and microstructure were made in August 2015, northwest of Svalbard, downstream of the Atlantic inflow in Fram Strait in the Arctic Ocean. Observations in three sections are ...

    • The Iceland Greenland seas project 

      Renfrew, Ian Alasdair; Pickart, RS; Våge, Kjetil; Moore, GWK; Bracegirdle, TJ; Elvidge, AD; Jeansson, Emil; Lachlan-Cope, T; McRaven, LT; Papritz, L; Reuder, Joachim; Sodemann, Harald; Terpstra, Annick; Waterman, S; Valdimarsson, H; Weiss, A; Almansi, M; Bahr, F; Brakstad, Ailin; Barrell, C; Brooke, JK; Brooks, BJ; Brooks, IM; Brooks, ME; Bruvik, Erik Magnus; Duscha, Christiane; Fer, Ilker; Golid, Heidi M.; Hallerstig, Matilda; Hessevik, Idar; Huang, J; Houghton, L; Jonsson, S; Jonassen, Marius Opsanger; Jackson, Kristin; Kvalsund, Karsten; Kolstad, Erik Wilhelm; Konstali, Kjersti; Kristiansen, Jørn; Ladkin, R; Lin, P; MacRander, A; Mitchell, A; Olafsson, H; Pacini, A; Payne, C; Palmason, B; Perez-Hernandez, MD; Peterson, Algot Kristoffer; Petersen, GN; Pisareva, MN; Pope, JO; Seidl, Andrew; Semper, Stefanie; Sergeev, D; Skjelsvik, Silje; Søiland, Henrik; Smith, D; Spall, MA; Spengler, Thomas; Touzeau, Alexandra; Tupper, G; Weng, Yongbiao; Williams, KD; Yang, X; Zhou, Shenjie (Peer reviewed; Journal article, 2019)
      The Iceland Greenland Seas Project (IGP) is a coordinated atmosphere–ocean research program investigating climate processes in the source region of the densest waters of the Atlantic meridional overturning circulation. ...

    • The influence of surface gravity waves on the injection of turbulence in the upper ocean 

      Paskyabi, Mostafa Bakhoday; Fer, Ilker (Peer reviewed; Journal article, 2014-06-25)
      Observations were made in the near-surface layer, at about 8 m depth in 132 m deep water off the coast of Ålesund in Norway, for a duration of 2.5 months in late 2011. The measurement period covers the passage of two low ...

    • 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, ...

    • Laboratory Experiments on Internal Solitary Waves in Ice-Covered Waters 

      Carr, Magda; Sutherland, P.; Haase, A.; Evers, K.-U.; Fer, Ilker; Jensen, Atle; Kalisch, Henrik; Berntsen, Jarle; Parau, E.; Thiem, Ø.; Davies, P.A. (Peer reviewed; Journal article, 2019)
      Internal solitary waves (ISWs) propagating in a stably stratified two‐layer fluid in which the upper boundary condition changes from open water to ice are studied for grease, level, and nilas ice. The ISW‐induced current ...

    • Lagrangian Measurement of Waves and Near Surface Turbulence from Acoustic Instruments 

      Bakhoday Paskyabi, Mostafa; Bryhni, Helge Thomas; Reuder, Joachim; Fer, Ilker (Peer reviewed; Journal article, 2015-12-02)
      We demonstrate high-resolution measurements of upper ocean flow and turbulence using a Lagrangian drifter. A spherical buoy as a quasi-wave following drifter mitigate the contaminations induced by wave orbital velocities ...

    • Lateral Heat Transport in the Lofoten Basin: Near-Surface Pathways and Subsurface Exchange 

      Dugstad, Johannes Sandanger; Fer, Ilker; Lacasce, Joseph Henry; Sanchez de la Lama, Marta; Trodahl, Marta (Peer reviewed; Journal article, 2019)
      The Lofoten Basin in the Nordic Seas plays a central role in the Atlantic overturning circulation by acting as a reservoir for the warm and saline Atlantic Water flow toward the Arctic Ocean. The mass and heat exchange ...

    • The Lofoten Basin Eddy: three years of evolution as observed by Seagliders 

      Yu, Lusha; Bosse, Anthony; Fer, Ilker; Orvik, Kjell Arild; Bruvik, Erik Magnus; Hessevik, Idar; Kvalsund, Karsten (Peer reviewed; Journal article, 2017-08)
      The Lofoten Basin in the Norwegian Sea is an area where the warm Atlantic Water is subject to the greatest heat losses anywhere in the Nordic Seas. A long-lived, deep, anticyclonic eddy is located in the central part of ...

    • Mean structure and seasonality of the Norwegian Atlantic Front Current along the Mohn Ridge from repeated glider transects 

      Bosse, Anthony; Fer, Ilker (Peer reviewed; Journal article, 2019)
      The poleward flow of Atlantic Water in the Nordic Seas forms the upper limb of the meridional overturning circulation driving an important heat transport. The Norwegian Atlantic Front Current along the Mohn Ridge between ...

    • The mesoscale eddy field in the Lofoten Basin from high-resolution Lagrangian simulations 

      Dugstad, Johannes Sandanger; Isachsen, Pål Erik; Fer, Ilker (Journal article; Peer reviewed, 2021)
      Warm Atlantic-origin waters are modified in the Lofoten Basin in the Nordic Seas on their way toward the Arctic. An energetic eddy field redistributes these waters in the basin. Retained for extended periods, the warm ...

    • Microstructure Measurements from an Underwater Glider in the Turbulent Faroe Bank Channel Overflow 

      Fer, Ilker; Peterson, Algot Kristoffer; Ullgren, Jenny (Peer reviewed; Journal article, 2014-05)
      Measurements of ocean microstructure are made in the turbulent Faroe Bank Channel overflow using a turbulence instrument attached to an underwater glider. Dissipation rate of turbulent kinetic energy « is measured using ...

    • Mixing in the stratified interface of the Faroe Bank Channel overflow: the role of transverse circulation and internal waves 

      Seim, Knut Sponheim; Fer, Ilker (Peer reviewed; Journal article, 2011-07)
      The overflow of cold water across the Faroe Bank Channel sill is a significant volume flux of dense water to the North Atlantic Ocean. Using observations of hydrography, current and microstructure from a 1 week cruise and ...

    • Mixing of the Storfjorden overflow (Svalbard Archipelago) inferred from denstity overturns 

      Fer, Ilker; Skogseth, Ragnheid; Haugan, Peter Mosby (Journal article, 2004-01-03)
      Observations were made of the dense overflow from Storfjorden from a survey conducted at closely spaced stations in August 2002. The field data set consists of conventional conductivity-temperature-depth profiles and ...

    • Mixing rates and vertical heat fluxes north of Svalbard from Arctic winter to spring 

      Meyer, Amelie; Fer, Ilker; Sundfjord, Arild; Peterson, Algot Kristoffer (Peer reviewed; Journal article, 2017-06)
      Mixing and heat flux rates collected in the Eurasian Basin north of Svalbard during the N-ICE2015 drift expedition are presented. The observations cover the deep Nansen Basin, the Svalbard continental slope, and the shallow ...

    • Modelling the effect of ocean waves on the atmospheric and ocean boundary layers 

      Jenkins, Alastair D.; Paskyabi, Mostafa Bakhoday; Fer, Ilker; Gupta, Alok; Adakudlu, Muralidhar (Peer reviewed; Journal article, 2012)
      Ocean waves, in addition to generating direct forces on fixed and floating offshore wind generator structures, also have significant indirect effects via their influence on the atmospheric and oceanic boundary layers above ...

    • Near-inertial mixing in the central Arctic Ocean 

      Fer, Ilker (Peer reviewed; Journal article, 2014-08)
      Observations were made in April 2007 of horizontal currents, hydrography, and shear microstructure in the upper 500 m from a drifting ice camp in the central Arctic Ocean. An approximately 4-day-long time series, collected ...

    • New layer thickness parameterization of diffusive convection in the ocean 

      Zhou, Sheng-Qi; Lu, Yuan-Zheng; Song, Xue-Long; Fer, Ilker (Peer reviewed; Journal article, 2016-03)
      In the present study, a new parameterization is proposed to describe the convecting layer thickness in diffusive convection. By using in situ observational data of diffusive convection in the lakes and oceans, a wide range ...

    • Norwegian Atlantic Slope Current along the Lofoten Escarpment 

      Fer, Ilker; Bosse, Anthony; Dugstad, Johannes Sandanger (Journal article; Peer reviewed, 2020-06)
      Observations from moored instruments are analyzed to describe the Norwegian Atlantic Slope Current at the Lofoten Escarpment (13∘ E, 69∘ N). The data set covers a 14-month period from June 2016 to September 2017 and resolves ...

    • Nutrients vs. turbulence, and the future of Arctic Ocean primary production 

      Randelhoff, Achim; Sundfjord, Arild; Fer, Ilker; Reigstad, Marit; Tremblay, Jean-Eric; Guthrie, John D. (Conference poster, 2016)

    • Observational evidence for on-shelf heat transport driven by dense water export in the Weddell Sea 

      Darelius, Elin Maria K.; Daae, Kjersti; Dundas, Vår Iren Hjorth; Fer, Ilker; Hellmer, Hartmut H.; Janout, Markus; Nicholls, Keith W.; Sallée, Jean-Bapiste; Østerhus, Svein (Journal article; Peer reviewed, 2023)
      The transport of oceanic heat towards the Antarctic continental margin is central to the mass balance of the Antarctic Ice Sheet. Recent modeling efforts challenge our view on where and how the on-shelf heat flux occurs, ...