Browsing Bergen Open Research Archive by Author "Langehaug, Helene R."

Now showing items 1-6 of 6

    • Buoyancy forcing: A key driver of northern North Atlantic sea surface temperature variability across multiple timescales 

      Risebrobakken, Bjørg; Jensen, Mari Fjalstad; Langehaug, Helene R.; Eldevik, Tor; Sandø, Anne Britt; Li, Camille; Born, Andreas; McClymont, Erin Louise; Salzmann, Ulrich; De Schepper, Stijn (Journal article; Peer reviewed, 2023)
      Analyses of observational data (from year 1870 AD) show that sea surface temperature (SST) anomalies along the pathway of Atlantic Water transport in the North Atlantic, the Norwegian Sea and the Iceland Sea are spatially ...

    • Impact of initialization methods on the predictive skill in NorCPM: an Arctic–Atlantic case study 

      Passos, Leilane G.; Langehaug, Helene R.; Årthun, Marius; Eldevik, Tor; Bethke, Ingo; Kimmritz, Madlen (Journal article; Peer reviewed, 2022)
      The skilful prediction of climatic conditions on a forecast horizon of months to decades into the future remains a main scientific challenge of large societal benefit. Here we assess the hindcast skill of the Norwegian ...

    • Mechanisms of decadal North Atlantic climate variability and implications for the recent cold anomaly 

      Årthun, Marius; Wills, Robert C.J.; Johnson, Helen L.; Chafik, Leon; Langehaug, Helene R. (Journal article; Peer reviewed, 2021)
      Decadal sea surface temperature (SST) fluctuations in the North Atlantic Ocean influence climate over adjacent land areas and are a major source of skill in climate predictions. However, the mechanisms underlying decadal ...

    • 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) ...

    • Propagation of Thermohaline Anomalies and their predictive potential along the Atlantic water pathway 

      Langehaug, Helene R.; Ortega, Pablo; Counillon, Francois Stephane; Matei, Daniela; Maroon, Elizabeth A.; Keenlyside, Noel Sebastian; Mignot, Juliette; Wang, Yiguo; Swingedouw, Didier; Bethke, Ingo; Yang, Shuting; Danabasoglu, Gokhan; Bellucci, Alessio; Ruggieri, Paolo; Nicoli, D.; Årthun, Marius (Journal article; Peer reviewed, 2022)
      We assess to what extent seven state-of-the-art dynamical prediction systems can retrospectively predict winter sea surface temperature (SST) in the subpolar North Atlantic and the Nordic seas in the period 1970–2005. We ...

    • Variability along the Atlantic water pathway in the forced Norwegian Earth System Model 

      Langehaug, Helene R.; Sandø, Anne Britt; Årthun, Marius; Ilicak, Mehmet (Peer reviewed; Journal article, 2018-03-27)
      The growing attention on mechanisms that can provide predictability on interannual-to-decadal time scales, makes it necessary to identify how well climate models represent such mechanisms. In this study we use a high (0.25° ...