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Colloquium

Department of Atmospheric Science

Tues., Sep. 26, 3:10 pm, EN6085

Developing the next version of the Community Earth System Model: Are we there yet?

Dr. Julio Bacmeister

National Center for Atmospheric Research

Abstract

This talk will describe the development of CESM2, the most recent incarnation of NCAR’s Community Earth System Model, with a focus on the evolution of the atmospheric component.  Performance across several release versions of the model as well as across recent development versions will be shown.  A particular concern in CESM2 has been the strength of aerosol-cloud interactions (ACI) in the 20th Century.  This has led us to an extensive examination of cloud microphysics and other physical processes in the model.  I will describe progress in characterizing and understanding ACI using a variety of experimental designs.  Finally, I will describe future plans for CESM including participation in the upcoming Coupled Model Intercomparison Project Phase 6 (CMIP6). 

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Email: geerts@uwyo.edu

1000 E. University Ave. Laramie, WY 82071
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