Browsing Geophysical Institute by Author "Samuelsen, Annette"

Now showing items 1-7 of 7

    • Key physical processes and their model representation for projecting climate impacts on subarctic Atlantic net primary production: A synthesis 

      Myksvoll, Mari Skuggedal; Sandø, Anne Britt; Tjiputra, Jerry; Samuelsen, Annette; Yumruktepe, Veli Caglar; Li, Camille; Mousing, Erik Askov; Bettencourt, Joao P.H.; Ottersen, Geir (Journal article; Peer reviewed, 2023)
      Oceanic net primary production forms the foundation of marine ecosystems. Understanding the impact of climate change on primary production is therefore critical and we rely on Earth System Models to project future changes. ...

    • Mesoscale Eddies Are Oases for Higher Trophic Marine Life 

      Godø, Olav Rune; Samuelsen, Annette; Macaulay, Gavin J.; Patel, Ruben; Hjøllo, Solfrid Sætre; Horne, John; Kaartvedt, Stein; Johannessen, Johnny A. (Peer reviewed; Journal article, 2012-01-17)
      Mesoscale eddies stimulate biological production in the ocean, but knowledge of energy transfers to higher trophic levels within eddies remains fragmented and not quantified. Increasing the knowledge base is constrained ...

    • NorCPM1 and its contribution to CMIP6 DCPP 

      Bethke, Ingo; Wang, Yiguo; Counillon, Francois Stephane; Keenlyside, Noel Sebastian; Kimmritz, Madlen; Fransner, Filippa; Samuelsen, Annette; Langehaug, Helene R.; Svendsen, Lea; Chiu, Ping-Gin; Passos, Leilane G.; Bentsen, Mats; Guo, Chuncheng; Gupta, Alok Kumar; Tjiputra, Jerry; Kirkevåg, Alf; Oliviè, Dirk Jan Leo; Seland, Øyvind; Vågane, Julie Solsvik; Fan, Yuanchao; Eldevik, Tor (Journal article; Peer reviewed, 2021)
      The Norwegian Climate Prediction Model version 1 (NorCPM1) is a new research tool for performing climate reanalyses and seasonal-to-decadal climate predictions. It combines the Norwegian Earth System Model version 1 (NorESM1) ...

    • 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 ...

    • Particle aggregation at the edges of anticyclonic eddies and implications for distribution of biomass 

      Samuelsen, Annette; Hjøllo, Solfrid Sætre; Johannessen, Johnny Andre; Patel, Ruben (Peer reviewed; Journal article, 2012-06-14)
      Acoustic measurements show that the biomass of zooplankton and mesopelagic fish is redistributed by mesoscale variability and that the signal extends over several hundred meters depth. The mechanisms governing this ...

    • Phytoplankton abundance in the Barents Sea is predictable up to five years in advance 

      Fransner, Sara Filippa Krusmynta; Olsen, Are; Årthun, Marius; Counillon, Francois Stephane; Tjiputra, Jerry; Samuelsen, Annette; Keenlyside, Noel Sebastian (Journal article; Peer reviewed, 2023)
      The Barents Sea is a highly biologically productive Arctic shelf sea with several commercially important fish stocks. Interannual-to-decadal predictions of its ecosystem would therefore be valuable for marine resource ...

    • Twenty-One Years of Phytoplankton Bloom Phenology in the Barents, Norwegian, and North Seas 

      Silva, Edson; Counillon, François; Brajard, Julien; Korosov, Anton; Pettersson, Lasse H; Samuelsen, Annette; Keenlyside, Noel (Journal article; Peer reviewed, 2021)
      Phytoplankton blooms provide biomass to the marine trophic web, contribute to the carbon removal from the atmosphere and can be deadly when associated with harmful species. This points to the need to understand the phenology ...