Except for the separable pieces descibed below, E3SM is released
under the following 3-Clause BSD Open Source license.

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Copyright ©2021, UChicago Argonne, LLC All Rights Reserved

Software Name: Energy Exascale Earth System Model (E3SM)

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this 
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, 
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the names of UChicago Argonne, LLC or the Department of Energy nor 
the names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.

THE SOFTWARE IS SUPPLIED "AS IS" WITHOUT WARRANTY OF ANY KIND.
 
NEITHER THE UNITED STATES GOVERNMENT, NOR THE UNITED STATES DEPARTMENT OF
ENERGY, NOR UCHICAGO ARGONNE, LLC, NOR ANY OF THEIR EMPLOYEES, MAKES ANY
WARRANTY, EXPRESS OR IMPLIED, OR ASSUMES ANY LEGAL LIABILITY OR RESPONSIBILITY
FOR THE ACCURACY, COMPLETENESS, OR USEFULNESS OF ANY INFORMATION, DATA,
APPARATUS, PRODUCT, OR PROCESS DISCLOSED, OR REPRESENTS THAT ITS USE WOULD
NOT INFRINGE PRIVATELY OWNED RIGHTS.

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E3SM was developed from CESM1.3beta10
CESM Copyright 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's National Center for Atmospheric Research.

CESM is public domain software.

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Separable pieces with their own copyright and license.  See code location
for details.

Name            Code Location                  Institution(s)      License
-------------------------------------------------------------------------------

Software
-----------
CIME            cime/scripts                    NCAR, SNL           BSD
cpl7            driver-mct/ 			NCAR, ANL	    BSD
GPTL            share/timing                    author              non-commerical
MCT             externals/mct                   ANL                 BSD
YAKL		externals/YAKL			author              BSD
cub		externals/cub                   author, NVIDIA      BSD
kokkos          externals/kokkos                SNL                 BSD

Ocean/Ice       under components/
-----------     -----------------
CICE            cice                            LANL                BSD
MPAS Framework  mpas-framework                  LANL                BSD
MPAS Ocean      mpas-ocean                      LANL                BSD
MPAS SeaIce     mpas-seaice                     LANL                BSD
MPAS-Albany LandIce   mpas-albany-landice       LANL, SNL           BSD

Land            under components/elm/src
-----------     ------------------------
FATES           external_models/fates           LBNL, NCAR, LANL    BSD
Betr            external_models/sbetr           LBNL, NCAR          BSD
MPP             external_models/mpp             LBNL                BSD

Atmosphere      under components/eam/src
-----------     ------------------------
CLUBB           physics/clubb                   authors             --
rrtmg           physics/rrtmg                   AER                 non-commercial
rrtmgp          physics/rrtmgp/external         AER                 non-commercial
Cosp2           physics/cosp2                   authors             BSD
Cosp2/MISR      physics/cosp2/external/src/simulator/MISR_simulator    author           BSD
Cosp2/MODIS     physics/cosp2/external/src/simulator/MODIS_simulator    U Colo.         BSD
Cosp2/actsim    physics/cosp2/external/src/simulator/actsim             CNRS            BSD
Cosp2/icarus    physics/cosp2/external/src/simulator/icarus             BCC, LLNL       BSD
Cosp2/parasol   physics/cosp2/external/src/simulator/parasol            CNRS            BSD
Cosp2/quikbeam  physics/cosp2/external/src/simulator/quickbeam          U Colo.         BSD
Cosp2/rrtov     physics/cosp2/external/src/simulator/rrtov              U Colo.         BSD
icarus-scops    physics/icarus-scops            BCC                 BSD
HOMMEXX         components/homme/src/share/cxx  SNL                 BSD

-------------------------------------------------------------------------------

Actual copyright holder for above Institutions:
NCAR =  University Corporation for Atmospheric Research
LANL =  Los Alamos National Security, LLC
SNL  =  National Technology & Engineering Solutions of Sandia, LLC 
LBNL =  The Regents of the University of California, 
        through Lawrence Berkeley National Laboratory
ANL  =  UChicago Argonne, LLC 
BCC  =  British Crown Copyright, the UK Met Office
AER  =  Atmospheric & Environmental Research, Inc.
CNRS =  Centre National de la Recherche Scientifique
U Colo. = Regents of the University of Colorado
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