Version 3.0.1 of the Crocus snowpack model: source code of implementation within SURFEX and externalized version

This is the source code of version 3.0.1 of the Crocus snowpack model provided within CeCILL-C license agreement. The crocus3.0.1.tar.gz archive corresponds to the implementation within the SURFEX Land Surface Model.To run offline experiments, we recommend to use the snowtools python package freely available at https://github.com/UMR-CNRM/snowtools following the user documentation https://umr-cnrm.github.io/snowtools-doc/. In particular, the SURFEX-Crocus installation procedure is available at https://umr-cnrm.github.io/snowtools-doc/misc/surfex-install.html The crocus3.0.1.EXTERN.tar.gz is a reduced export providing a fortran library callable by another Land Surface Model, but which can not be run standalone. A short installation documentation is provided in the associated README.md file.