CESM

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General

  • National Center for Atmospheric Research (NCAR):
https://ncar.ucar.edu/

The Community Earth System Model is a fully-coupled global climate model developed in collaboration with colleagues in the research community. CESM provides state-of-the-art computer simulations of Earth's past, present, and future climate states.


CESM2 is built on the CIME framework. The majority of the CESM2 User’s Guide is contained in the CIME documentation.


The Common Infrastructure for Modeling the Earth (CIME - pronounced “SEAM”) provides a Case Control System for configuring, compiling and executing Earth system models, data and stub model components, a driver and associated tools and libraries.

CESM on ARC

Currently, there are two versions of CESM are installed on ARC, but only one works and supported. The supported version is 2.1.3.

CESM is installed and setup to be used via environmental modules, using the module command.

$ module avail cesm
------------------- /global/software/Modules/4.6.0/modulefiles -------------------
cesm/2.1.1  cesm/2.1.3 

To activate it please load its module:

$ module load cesm/2.1.3

Loading cesm/2.1.3
  Loading requirement: gcc/9.4.0 cmake/3.17.3 git/2.25.0 svn/1.10.6 openmpi/4.1.1-gnu lib/openblas/0.3.13-gnu