CESM Models | Terms of Use Notice and Disclaimer

The Community Earth System Model (CESM) was developed in cooperation with the National Science Foundation, the Department of Energy, the National Aeronautics and Space Administration, and the University Corporation for Atmospheric Research National Center for Atmospheric Research.

THIS SOFTWARE IS PROVIDED BY UCAR AND ANY CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL UCAR OR ANY CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Except for the segregable components listed in the table below, CESM is public domain software. The following components are copyrighted and may only be used, modified, or redistributed under the terms indicated below.

Code Institution Copyright Terms of Use / Disclaimer
ESMF University of Illinois / NCSA Copyright 2002-2009, University of Illinois / NCSA Open Source License University of Illinois / NCSA Open Source License
POP, SCRIP, CICE Los Alamos National Laboratory Copyright 2013 Los Alamos National Security, LLC Los Alamos National Security, LLC
Glimmer-CISM LANL/U. Bristol/U. Edinburgh/U. Montana/U. Swansea) Copyright 2014, GNU Lesser General Public License GNU Lesser General Public License
AER RRTMG Atmospheric and Environmental Research, Inc. Copyright 2002-2010, Atmospheric and Environmental Research, Inc. AER RRTMG Copyright
MCT Argonne National Laboratory Copyright 2011, University of Chicago MCT Copyright
ICSSP N/A Copyright 2003, 2010, Steve Klein and Mark Webb ISCCP Simulator Software
XML/Lite Wadsack-Allen Digital Group Copyright 2001,2010 Wadsack-Allen Digital Group The documentation for the Perl XML-Lite module is no longer available on-line.
Inf_NaN_Detection module Lahey Computer Systems, Inc. Copyright 2003, Lahey Computer Systems, Inc. Copies of this source code, or standalone compiled files derived from this source may not be sold without permission from Lahey Computers Systems. All or part of this module may be freely incorporated into executable programs which are offered for sale. Otherwise, distribution of all or part of this file is permitted, provided this copyright notice and header are included.

There may be other third party tools and libraries that are integrated into CESM, and they may have their own copyright notices and terms.

NCAR and collaborators have developed additional packages to support CESM input data pre-processing, output data post-processing, and diagnostic analysis packages that are also included under this terms of use notice and disclaimer. Package developers should include the following license agreement at the root of their code distribution package:

CESM Related Software Package Terms of Use Notice and Disclaimer