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The Community Climate System Model (CCSM) is a collaborative effort involving NSF, DOE and NASA aimed at providing U.S. researchers with state of the art coupled climate simulation capabilities. Project background

Objectives

The overarching goal is to collaboratively develop CCSM so that it is:

  • comprehensive in its treatment of physical and chemical processes important to the climate system;
  • comprised of modular 'packages' with well-defined interfaces that can be tested off-line and interchanged with packages containing updated or alternate treatments of the same processes, and
  • performance optimized yet portable and adaptable for new computing architectures.

Standardizing the model's interfaces, to simplify upgrading of component models in the coupled model and of dynamical cores and physical parameterizations in the component models, is important for a community model. The final product of this proposal will be a high quality, comprehensive model of the Earth's climate system suitable for research and as a tool for integrated assessments. We will utilize and build on the advanced dynamical cores, flexible model coupling method, and extensive toolkit developed for the AG pilot project.

Participating Organizations

The DOE National Laboratories involved are Argonne (ANL), Los Alamos (LANL), Lawrence Livermore (LLNL), Lawrence Berkeley (LBNL), Oak Ridge (ORNL) and Pacific Northwest (PNNL). The National Center for Atmospheric Research (NCAR) and the NASA/Goddard Data Assimilation Office are the primary, non-DOE collaborators. Phil Jones (pwjones@lanl.gov) and John Drake (drakejb@ornl.gov) are co-PI's for the project and the primary contacts.

Annual Reports


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