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Future sea level change under coupled model intercomparison project phase 5 and phase 6 scenarios from the Greenland and Antarctic ice sheets
Payne, A.J.; Nowicki, S.; Abe-Ouchi, A.; Agosta, C.; Alexander, P.; Albrecht, T.; Asay-Davis, X.; Aschwanden, A.; Barthel, A.; Bracegirdle, T.J.; Calov, R.; Chambers, C.; Choi, Y.; Cullather, R.; Cuzzone, J.; Dumas, C.; Edwards, T.L.; Felikson, D.; Fettweis, X.; Galton-Fenzi, B.K.; Goelzer, H.; Gladstone, R.; Golledge, N.R.; Gregory, J.M.; Greve, R.; Hattermann, T.; Hoffman, M.J.; Humbert, A.; Huybrechts, P.; Jourdain, N.C.; Kleiner, T.; Kuipers Munneke, P.; Larour, E.; Le Clec'h, S.; Lee, V.; Leguy, G.; Lipscomb, W.H.; Little, C.M.; Lowry, D.P.; Morlighem, M.; Nias, I.; Pattyn, F.; Pelle, T.; Price, S.F.; Quiquet, A.; Reese, R.; Rückamp, M.; Schlegel, N.-J.; Seroussi, H.; Shepherd, A.; Simon, E.; Slater, D.; Smith, R.S.; Straneo, F.; Sun, S.; Tarasov, L.; Trusel, L.D.; Van Breedam, J.; van de Wal, R.; van den Broeke, M.; Winkelmann, R.; Zhao, C.; Zhang, T.; Zwinger, T. (2021). Future sea level change under coupled model intercomparison project phase 5 and phase 6 scenarios from the Greenland and Antarctic ice sheets. Geophys. Res. Lett. 48(16): e2020GL091741. https://dx.doi.org/10.1029/2020GL091741
In: Geophysical Research Letters. American Geophysical Union: Washington. ISSN 0094-8276; e-ISSN 1944-8007, more
Peer reviewed article  
Available in  Authors 
Keyword
    Marine/Coastal
Author keywords
    Antarctica; Greenland; ice sheet; sea level
Authors  Top 
  • Payne, A.J.
  • Nowicki, S.
  • Abe-Ouchi, A.
  • Agosta, C., more
  • Alexander, P.
  • Albrecht, T.
  • Asay-Davis, X.
  • Aschwanden, A.
  • Barthel, A.
  • Bracegirdle, T.J.
  • Calov, R.
  • Chambers, C.
  • Choi, Y.
  • Cullather, R.
  • Cuzzone, J.
  • Dumas, C.
  • Edwards, T.L.
  • Felikson, D.
  • Fettweis, X., more
  • Galton-Fenzi, B.K.
  • Goelzer, H., more
  • Gladstone, R.
  • Golledge, N.R.
  • Gregory, J.M.
  • Greve, R.
  • Hattermann, T.
  • Hoffman, M.J.
  • Humbert, A.
  • Huybrechts, P., more
  • Jourdain, N.C.
  • Kleiner, T.
  • Kuipers Munneke, P.
  • Larour, E.
  • Le Clec'h, S., more
  • Lee, V.
  • Leguy, G.
  • Lipscomb, W.H.
  • Little, C.M.
  • Lowry, D.P.
  • Morlighem, M.
  • Nias, I.
  • Pattyn, F., more
  • Pelle, T.
  • Price, S.F.
  • Quiquet, A.
  • Reese, R.
  • Rückamp, M.
  • Schlegel, N.-J.
  • Seroussi, H.
  • Shepherd, A.
  • Simon, E.
  • Slater, D.
  • Smith, R.S.
  • Straneo, F.
  • Sun, S., more
  • Tarasov, L.
  • Trusel, L.D.
  • Van Breedam, J., more
  • van de Wal, R.
  • van den Broeke, M.
  • Winkelmann, R.
  • Zhao, C.
  • Zhang, T.
  • Zwinger, T.
Abstract
    Projections of the sea level contribution from the Greenland and Antarctic ice sheets (GrIS and AIS) rely on atmospheric and oceanic drivers obtained from climate models. The Earth System Models participating in the Coupled Model Intercomparison Project phase 6 (CMIP6) generally project greater future warming compared with the previous Coupled Model Intercomparison Project phase 5 (CMIP5) effort. Here we use four CMIP6 models and a selection of CMIP5 models to force multiple ice sheet models as part of the Ice Sheet Model Intercomparison Project for CMIP6 (ISMIP6). We find that the projected sea level contribution at 2100 from the ice sheet model ensemble under the CMIP6 scenarios falls within the CMIP5 range for the Antarctic ice sheet but is significantly increased for Greenland. Warmer atmosphere in CMIP6 models results in higher Greenland mass loss due to surface melt. For Antarctica, CMIP6 forcing is similar to CMIP5 and mass gain from increased snowfall counteracts increased loss due to ocean warming.
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