The Community Terrestrial Systems Model.
This includes the Community Land Model (CLM5.0 and CLM4.5) of the Community Earth System Model.
For documentation, quick start, diagnostics, model output and references, see
http://www.cesm.ucar.edu/models/cesm2.0/land/
and
https://escomp.github.io/ctsm-docs/
For help with how to work with CTSM in git, see
https://github.com/ESCOMP/ctsm/wiki/Getting-started-with-CTSM-in-git
and
https://github.com/ESCOMP/ctsm/wiki/Recommended-git-setup
For support with model use, troubleshooting, etc., please use the CTSM forum (or other appropriate forum) here:
https://xenforo.cgd.ucar.edu/cesm/
To get updates on CTSM tags and important notes on CTSM developments join our low traffic email list:
https://groups.google.com/a/ucar.edu/forum/#!forum/ctsm-dev
(Send email to ctsm-software@ucar.edu if you have problems with any of this)