Blar i Bergen Open Research Archive på forfatter "Athanasiadis, Panos J."

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    • Attribution of multi-annual to decadal changes in the climate system: The Large Ensemble Single Forcing Model Intercomparison Project (LESFMIP) 

      Smith, Doug M.; Gillett, Nathan P.; Simpson, Isla R.; Athanasiadis, Panos J.; Baehr, Johanna; Bethke, Ingo; Bilge, Tarkan Aslan; Bonnet, Rémy; Boucher, Olivier; Findell, Kirsten L.; Gastineau, Guillaume; Gualdi, Silvio; Hermanson, Leon; Leung, L. Ruby; Mignot, Juliette; Müller, Wolfgang A.; Osprey, Scott; Otterå, Odd Helge; Persad, Geeta G.; Scaife, Adam A.; Schmidt, Gavin A.; Shiogama, Hideo; Sutton, Rowan T.; Swingedouw, Didier; Yang, Shuting; Zhou, Tianjun; Ziehn, Tilo (Journal article; Peer reviewed, 2022)
      Multi-annual to decadal changes in climate are accompanied by changes in extreme events that cause major impacts on society and severe challenges for adaptation. Early warnings of such changes are now potentially possible ...

    • Initialization shock in the ocean circulation reduces skill in decadal predictions of the North Atlantic subpolar gyre 

      Polkova, Iuliia; Swingedouw, Didier; Hermanson, Leon; Köhl, Armin; Stammer, Detlef; Smith, Doug; Kröger, Jürgen; Bethke, Ingo; Yang, Xiaosong; Zhang, Liping; Nicolì, Dario; Athanasiadis, Panos J.; Karami, Mehdi Pasha; Pankatz, Klaus; Pohlmann, Holger; Wu, Bo; Bilbao, Roberto; Ortega, Pablo; Yang, Shuting; Sospedra-Alfonso, Reinel; Merryfield, William; Kataoka, Takahito; Tatebe, Hiroaki; Imada, Yukiko; Ishii, Masayoshi; Matear, Richard J. (Journal article; Peer reviewed, 2023)
      Due to large northward heat transport, the Atlantic meridional overturning circulation (AMOC) strongly affects the climate of various regions. Its internal variability has been shown to be predictable decades ahead within ...

    • Mitigating climate biases in the midlatitude North Atlantic by increasing model resolution: SST gradients and their relation to blocking and the jet 

      Athanasiadis, Panos J.; Ogawa, Fumiaki; Omrani, Nour-Eddine; Keenlyside, Noel Sebastian; Schiemann, Reinhard; Baker, Alexander J.; Vidale, Pier Luigi; Bellucci, Alessio; Ruggieri, Paolo; Haarsma, Rein; Roberts, Malcolm J.; Roberts, Chris; Novak, Lenka; Gualdi, Silvio (Journal article; Peer reviewed, 2022)
      Starting to resolve the oceanic mesoscale in climate models is a step change in model fidelity. This study examines how certain obstinate biases in the midlatitude North Atlantic respond to increasing resolution (from 1° ...

    • Pacific circulation response to eastern Arctic sea ice reduction in seasonal forecast simulations 

      Seidenglanz, Anne; Athanasiadis, Panos J.; Ruggieri, Paolo; Cvijanovic, Ivana; Li, Camille; Gualdi, Silvio (Journal article; Peer reviewed, 2021)
      Recent studies point to the sensitivity of mid-latitude winter climate to Arctic sea ice variability. However, there remain contradictory results in terms of character and timing of Northern Hemisphere large-scale circulation ...