CESM Models

cesm1_2 Release Notes

cesm1_2_1

Release Notes

Contents


Release Notes

The CESM1.2.1 is the first incremental bug fix and machines update release in the CESM1.2 series.

** IMPORTANT NOTE ** Starting with CESM1.2.1, the Subversion repository path has changed. All documentation for downloading the most current version of the model has been updated in the CESM User's Guide to reflect this change and older version differences are noted.

To download the CESM1.2.1 release code, use this command:

> svn co --username guestuser --password [password] 
https://svn-ccsm-models.cgd.ucar.edu/cesm1/release_tags/cesm1_2_1 cesm1_2_1

You may be prompted up to 3 times for the username and password when checking out the code for the first time from this new Subversion path. This is because the code is distributed across a number of different Subversion repositories and each repository requires authentication.


What's New

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Answer-Changing Features

CAM

CISM

CLM

RTM

Modifications to effective velocity for the default CLM4.5 compsets will change the amount of runoff in the system.


Machines


Known Problems