Summary
First release of version 2.1 of the Energy Exascale Earthy System Model contains the following changes from V2.0 (which were summarized in E3SM V2.0 new features )
EAM
The atmosphere component remains EAM. Major changes since version 2.0 include:
ELM
The land component is still ELM. Major changes since version 2.0 include:
General MPAS improvements
MPAS still provides the components for ocean, sea-ice and land-ice.
MPAS-Ocean
MPAS-Seaice
MPAS-Albany-landice
Coupler/Configurations
All components allow regional refinement of their meshes and an example of refinement in and around North America is provided.