Blar i forfatter "Lipscomb, William H."

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    • CO2 Increase Experiments Using the CESM: Relationship to Climate Sensitivity and Comparison of CESM1 to CESM2 

      Bacmeister, Julio T.; Hannay, Cecile; Medeiros, Brian; Gettelmann, Andrew; Neale, Richard; Fredriksen, Hege-Beate; Lipscomb, William H.; Simpson, Isla; Bailey, David Anthony; Holland, Marika M.; Lindsay, Keith; Otto-Bliesner, Bette L. (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-10-14)
      We examine the response of the Community Earth System Model Versions 1 and 2 (CESM1 and CESM2) to abrupt quadrupling of atmospheric CO2 concentrations (4xCO2) and to 1% annually increasing CO2 concentrations (1%CO2). Different estimates of equilibrium climate sensitivity (ECS) for CESM1 and CESM2 are presented. All estimates show that the sensitivity of CESM2 has increased by 1.5 K or more over that ...

    • Experimental protocol for sea level projections from ISMIP6 stand-alone ice sheet models 

      Nowicki, Sophie; Goelzer, Heiko; Seroussi, Hélène; Payne, Anthony J.; Lipscomb, William H.; Abe-Ouchi, Ayako; Agosta, Cécile; Alexander, Patrick; Asay-Davis, Xylar S; Barthel, Alice; Bracegirdle, Thomas J.; Cullather, Richard; Felikson, Denis; Fettweis, Xavier; Gregory, Jonathan M.; Hattermann, Tore; Jourdain, Nicolas C.; Munneke, Peter Kuipers; Larour, Eric; Little, Christopher M.; Morlighem, Mathieu; Nias, Isabel; Shepherd, Andrew; Simon, Erika; Slater, Donald; Smith, Robin; Straneo, Fiammetta; Trusel, Luke D.; van den Broeke, Michiel R.; Van de Wal, Roderik (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-07-23)
      Projection of the contribution of ice sheets to sea level change as part of the Coupled Model Intercomparison Project Phase 6 (CMIP6) takes the form of simulations from coupled ice sheet–climate models and stand-alone ice sheet models, overseen by the Ice Sheet Model Intercomparison Project for CMIP6 (ISMIP6). This paper describes the experimental setup for process-based sea level change projections ...