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Helene Asbjørnsen

Postdoctoral Fellow
  • E-mailh.asbjornsen@uib.no
  • Visitor Address
    Allégaten 70
    5007 Bergen
  • Postal Address
    Postboks 7803
    5020 Bergen

My research focuses on obtaining a more robust understanding of past variability and future change in North Atlantic and Nordic Seas circulation. I use a combination of ocean reanalyses, climate models, observations, and Lagrangian trajectory modeling to study the dynamics of the extended Gulf Stream system and the AMOC, and its relationship to poleward heat transport.     

Asbjørnsen, H., Eldevik, T., Skrefsrud, J., Johnson, H. L., Sanchez-Franks, A. (2023). Observed change and coherence in the Gulf Stream system. EGUsphere [preprint], https://doi.org/10.5194/egusphere-2023-2963  

Asbjørnsen, H., Årthun, M. (2023). Deconstructing future AMOC decline at 26.5ºN. Geophysical Research Letters, 50(14). https://doi.org/10.1029/2023GL103515  

Årthun, M., Asbjørnsen, H., Chafik, L., Johnson, H. L., Våge, K. (2023). Future strengthening of the Nordi Seas overturning circulation. Nature Communications, 14, 2065. https://doi.org/10.1038/s41467-023-37846-6 

Asbjørnsen, H. Johnson, H. L., Årthun, M. (2021). Variable Nordic Seas inflow linked to shifts in North Atlantic circulation. Journal of Climate, 34(17), 7057-7071. https://doi.org/10.1175/JCLI-D-20-0917.1

Asbjørnsen, H., Årthun, M., Skagseth, Ø., & Eldevik, T. (2020). Mechanisms underlying recent Arctic Atlantification. Geophysical Research Letters, 47(15). https://doi.org/10.1029/2020GL088036

Skagseth, Ø., Eldevik, T., Årthun, M., Asbjørnsen, H., Lien, V., Smedsrud, L. H. (2020). Reduced efficiency of the Barents Sea cooling machine. Nature Climate Change, 10, 661–666. https://doi.org/10.1038/s41558-020-0772-6 

Asbjørnsen, H., Årthun, M., Skagseth, Ø., & Eldevik, T. (2019). Mechanisms of Ocean Heat Anomalies in the Norwegian Sea. Journal of Geophysical Research: Oceans, 124(4), 2908–2923. https://doi.org/10.1029/2018JC014649

Röhrs, J., Dagestad, K. F., Asbjørnsen, H., Nordam, T., Skancke, J., Jones, C. E., & Brekke, C. (2018). The effect of vertical mixing on the horizontal drift of oil spills. Ocean Science, 14(6), 1581–1601. https://doi.org/10.5194/os-14-1581-2018

Academic article
  • Show author(s) (2023). Future strengthening of the Nordic Seas overturning circulation. Nature Communications. 12 pages.
  • Show author(s) (2023). Deconstructing Future AMOC Decline at 26.5°N. Geophysical Research Letters.
  • Show author(s) (2021). Variable Nordic Seas Inflow Linked to Shifts in North Atlantic Circulation. Journal of Climate. 7057-7071.
  • Show author(s) (2020). Reduced efficiency of the Barents Sea cooling machine. Nature Climate Change. 661-666.
  • Show author(s) (2020). Mechanisms underlying recent Arctic atlantification. Geophysical Research Letters. 1-9.
  • Show author(s) (2019). Mechanisms of Ocean Heat Anomalies in the Norwegian Sea. Journal of Geophysical Research (JGR): Oceans. 2908-2923.
  • Show author(s) (2018). The effect of vertical mixing on the horizontal drift of oil spills. Ocean Science. 1581-1601.
Report
  • Show author(s) (2021). EASAC policy report 42: A sea of change: Europe’s future in the Atlantic realm. .
Academic lecture
  • Show author(s) (2023). Structure and sensitivity of the North Atlantic circulation system.
  • Show author(s) (2022). On the structure and sensitivity of North Atlantic thermohaline circulation.
  • Show author(s) (2022). Observed changes and coherence in the Gulf Stream system.
  • Show author(s) (2022). Future increase in Nordic Seas overturning as a response to enhanced horizontal circulation.
  • Show author(s) (2019). Vertical mixing and horizontal drift of oil spills: simulations with the opensource oil spill model OpenOil.
Feature article
  • Show author(s) (2023). Golfstrømmen vil ikke kollapse, men situasjonen er likevel alvorlig. Forskning.no.
  • Show author(s) (2021). Kaldere hav i et varmere klima. Hva er det som foregår? Aftenposten Viten.
Website (informational material)
  • Show author(s) (2018). Report on the Ocean/Atmosphere Time Series Analysis course.

More information in national current research information system (CRIStin)