License Agreement for GEOS-Chem, HEMCO, and Related Software
(The MIT "Expat" License, http://opensource.org/licenses/MIT)
==============================================================================

Copyright (c) 2017-2020 Developers of GEOS-Chem, HEMCO, and Related Software

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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NOTE: Please see the AUTHORS.txt file (in this folder) for the list of
Developers of GEOS-Chem, GCPy and Related Software.  This list will
be updated frequently, such as at each major GEOS-Chem or GCPy release.
------------------------------------------------------------------------------


License agreements for 3rd-party code packages used by GEOS-Chem:
==============================================================================

FAST-J, FAST-JX, and developments:

   Fast-J code, including developments such as Cloud-J, is distributed under 
   GNU General Public License version 3.0 (GPLv3). (A copy of the GNU public 
   license is here: https://www.gnu.org/licenses/gpl-3.0.en.html)
   https://www.ess.uci.edu/researchgrp/prather/scholar_software


ISORROPIA:

   COPYRIGHT 1996-2006, UNIVERSITY OF MIAMI, CARNEGIE MELLON UNIVERSITY,
   GEORGIA INSTITUTE OF TECHNOLOGY
   WRITTEN BY ATHANASIOS NENES
   UPDATED BY CHRISTOS FOUNTOUKIS 


KPP chemical solver (Kinetic Pre-Processor):

   KPP - symbolic chemistry Kinetics PreProcessor, Version 2.1
         (http://www.cs.vt.edu/~asandu/Software/KPP)
   KPP is distributed under GPL, the general public licence
         (http://www.gnu.org/copyleft/gpl.html)
     (C) 1995-1997, V. Damian & A. Sandu, CGRER, Univ. Iowa
     (C) 1997-2005, A. Sandu, Michigan Tech, Virginia Tech
         with contributions from:
         R. Sander, Max-Planck Institute for Chemistry, Mainz, Germany


Linked list code (used in v11-02 and later versions):

   Copyright © 2005 Arjen Markus <arjenmarkus@sourceforge.net>
   http://flibs.sourceforge.net/linked_list.html


RRTM/RRTMG Copyright and Disclaimer:

   Copyright © 2002-2010, Atmospheric and Environmental Research, Inc. 
   (AER, Inc.). This software may be used, copied, or redistributed as long 
   as it is not sold and this copyright notice is reproduced on each copy made. 
   This model is provided as is without any express or implied warranties.
   http://rtweb.aer.com/rrtm_frame.html


Fortran hash table code (used in 12.7.0 and later):
https://github.com/pdebuyl/fortran_hash_table

   Copyright (c) 2018, Pierre de Buyl

   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 name of the copyright holder nor the names of its
   contributors may be used to endorse or promote products derived from
   this software without specific prior written permission.

   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
   HOLDER OR 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.


SMVGEAR chemical solver (used in GEOS-Chem v10-01 and prior versions):
 
   *********************************************************************
   ************        WRITTEN BY MARK JACOBSON (1993)      ************
   ***             (C) COPYRIGHT, 1993 BY MARK Z. JACOBSON           ***
   ***       U.S. COPYRIGHT OFFICE REGISTRATION NO. TXu 670-279      ***
   ***                         (650) 723-6836                        ***
   *********************************************************************


Licenses for packages used by HEMCO:
==============================================================================

Modular Earth Submodel System (MESSy) tools:

   https://www.messy-interface.org/current/messy_licence.html
