• A brief history of climate – the northern seas from the Last Glacial Maximum to global warming 

      Eldevik, Tor; Risebrobakken, Bjørg; Bjune, Anne Elisabeth; Andersson, Carin; Birks, Harry John Betteley; Dokken, Trond Martin; Drange, Helge; Glessmer, Mirjam Sophia; Li, Camille; Nilsen, Jan Even Øie; Otterå, Odd Helge; Richter, Kristin; Skagseth, Øystein (Journal article; Peer reviewed, 2014-08-06)
      The understanding of climate and climate change is fundamentally concerned with two things: a well-defined and sufficiently complete climate record to be explained, for example of observed temperature, and a relevant ...
    • Altimetry for the future: Building on 25 years of progress 

      Agdalla, Saleh; Kolahchi, Abdolnabi A.; Ablain, Michaeël; Adusumilli, Susheel; Idzanovic, Martina; Johannessen, Johnny Andre; Nilsen, Jan Even Øie; Raj, Roshin Pappukutty; The Altimetry, team (Peer reviewed; Journal article, 2021)
      In 2018 we celebrated 25 years of development of radar altimetry, and the progress achieved by this methodology in the fields of global and coastal oceanography, hydrology, geodesy and cryospheric sciences. Many symbolic ...
    • Arctic Sea level Budget Assessment During the GRACE/Argo Time Period 

      Raj, Roshin Pappukutty; Andersen, Ole Baltazar; Johannessen, Johnny Andre; Benjamin, Gutknech; Chatterjee, Sourav; rose, stine; Bonaduce, Antonio; Horwath, Martin; Ranndal, Heidi; Richter, Kristin; Palanisamy, Hindumathi; Ludwigsen, Carsten; Bertino, Laurent; Nilsen, Jan Even Øie; Knudsen, Per; Hogg, Anna E.; Cazenave, Anny; Benveniste, Jérôme (Peer reviewed; Journal article, 2020)
      Sea level change is an important indicator of climate change. Our study focuses on the sea level budget assessment of the Arctic Ocean using: (1) the newly reprocessed satellite altimeter data with major changes in the ...
    • Atmospheric and climatic drivers of tide gauge sea level variability along the east and south coast of South Africa 

      Nhantumbo, Bernardino J.; Backeberg, Björn C.; Nilsen, Jan Even Øie; Reason, Chris J. C. (Peer reviewed; Journal article, 2021)
      Atmospheric forcing and climate modes of variability on various timescales are important drivers of sea level variability. However, the influence of such drivers on sea level variability along the South African east and ...
    • Climate in Svalbard 2100 

      Bilt, Willem van der; Bakke, Jostein; Smedsrud, Lars H.; Sund, Monica; Schuler, Thomas; Westermann, Sebastian; Wong, Wai Kwok; Sandven, Stein; Simpson, Matthew James Ross; Skogen, Morten D.; Pavlova, O.; Ravndal, Ole; Risebrobakken, Bjørg; Saloranta, Tuomo; Mezghani, Abdelkader; Nilsen, F.; Nilsen, Jan Even Øie; Nilsen, Irene Brox; Kierulf, Halfdan; Kohler, Jack; Li, H.; Lutz, J; Melvold, Kjetil; Gjelten, Herdis Motrøen; Gundersen, Jeanette; Isaksen, Kjetil; Jaedicke, Christian; Dobler, Andreas; Engeset, Rune; Frauenfelder, Regula; Gerland, Sebastian; Christiansen, Hanne H; Børsheim, Knut Yngve; Breivik, Øyvind; Breili, Kristian; Borstad, Christopher Paul; Bogen, J.; Benestad, Rasmus; Beldring, S.; Andresen, J; Adakudlu, Muralidhar (Norwegian Centre for Climate Services Reports, Research report, 2019)
    • Copernicus Marine Service Ocean State Report, Issue 5 

      von Schuckmann, Karina; Traon, Pierre-Yves; Smith, Neville; Pascual, Ananda; Djavidnia, Samuel; Gattuso, Jean-Pierre; Grégoire, Marilaure; Aaboe, Signe; Alari, Victor; Down, Emily; Knol-Kauffman, Maaike; Lavergne, Thomas; Lien, Vidar Surén; Lind, Sigrid; Møgster, Jane S.; Nilsen, Jan Even Øie; Mork, Kjell Arne; Palerme, Cyril; Raj, Roshin Pappukutty; Vindenes, Håvard (Peer reviewed; Journal article, 2021)
    • Global sea-level budget and ocean-mass budget, with a focus on advanced data products and uncertainty characterisation 

      Horwath, Martin; Gutknecht, Benjamin D.; Cazenave, Anny; Palanisamy, Hindumathi K.; Marti, Florence; Marzeion, Ben; Paul, Frank; Le Bris, Raymond; Hogg, Anna E.; Otosaka, Ines; Shepherd, Andrew; Döll, Petra; Caceres, Denise; Schmied, Hannes Müller; Johannessen, Johnny Andre; Nilsen, Jan Even Øie; Raj, Roshin Pappukutty; Forsberg, Rene; Sørensen, Louise Sandberg; Barletta, Valentina R.; Simonsen, Sebastian B.; Knudsen, Per; Andersen, Ole Baltazar; Ranndal, Heidi; Rose, Stine K.; Merchant, Christopher J.; Macintosh, Claire R.; Schuckmann von, Karina; Novotny, Kristin; Groh, Andreas; Restano, Marco; Benveniste, Jérôme (Peer reviewed; Journal article, 2022)
      Studies of the global sea-level budget (SLB) and the global ocean-mass budget (OMB) are essential to assess the reliability of our knowledge of sea-level change and its contributors. Here we present datasets for times ...
    • Heat in the Barents Sea: transport, storage, and surface fluxes 

      Smedsrud, L.H.; Ingvaldsen, Randi; Nilsen, Jan Even Øie; Skagseth, Øystein (Journal article; Peer reviewed, 2010)
      A column model is set up for the Barents Sea to explore sensitivity of surface fluxes and heat storage from varying ocean heat transport. Mean monthly ocean transport and atmospheric forcing are synthesised and force the ...
    • Heat in the Barents Sea: transport, storage, and surface fluxes 

      Smedsrud, L.H.; Ingvaldsen, Randi; Nilsen, Jan Even Øie; Skagseth, Øystein (Journal article; Peer reviewed, 2010)
      A column model is set up for the Barents Sea to explore sensitivity of surface fluxes and heat storage from varying ocean heat transport. Mean monthly ocean transport and atmospheric forcing are synthesised and force the ...
    • Importance of heat transport and local air-sea heat fluxes for Barents Sea climate variability 

      Sandø, Anne Britt; Nilsen, Jan Even Øie; Gao, Y.; Lohmann, K. (Journal article; Peer reviewed, 2010-07-22)
      An isopycnic coordinate ocean model has been used to investigate the importance of different mechanisms on the Barents Sea climate variability for the period 1948–2006 Observed and simulated time series from the Kola Section ...
    • Importance of heat transport and local air-sea heat fluxes for Barents Sea climate variability 

      Sandø, Anne Britt; Nilsen, Jan Even Øie; Gao, Y.; Lohmann, K. (Journal article; Peer reviewed, 2010-07-22)
      An isopycnic coordinate ocean model has been used to investigate the importance of different mechanisms on the Barents Sea climate variability for the period 1948–2006 Observed and simulated time series from the Kola Section ...
    • The relationship between the Eddy-Driven Jet Stream and Northern European Sea Level variability 

      Mangini, Fabio; Chafik, Léon; Madonna, Erica; Li, Camille; Bertino, Laurent; Nilsen, Jan Even Øie (Peer reviewed; Journal article, 2021)
    • Sea-level variability and change along the Norwegian coast between 2003 and 2018 from satellite altimetry, tide gauges, and hydrography 

      Mangini, Fabio; Chafik, Leon Martin; Bonaduce, Antonio; Bertino, Laurent; Nilsen, Jan Even Øie (Peer reviewed; Journal article, 2022)
      Sea-level variations in coastal areas can differ significantly from those in the nearby open ocean. Monitoring coastal sea-level variations is therefore crucial to understand how climate variability can affect the densely ...
    • Swell as a turbulence source in shallow water 

      Stiansen, Jan Erik; Sundby, Svein; Jenkins, Alastair D.; Nilsen, Jan Even Øie (ICES CM documents, Working paper, 2005)
      Two field investigations in an exposed shallow area outside Lofoten, western Norway, were conducted in 1995 and 1996. Direct measurements of turbulence were conducted from an underwater tower with acoustic current meters ...