LICENSE.txt

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

Copyright (c) 2017-2019 Developers of GEOS-Chem, GCPy, 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.

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


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 Python packages used by GCPy:
==============================================================================

Cartopy: 

   Cartopy code

   All Cartopy source code, unless explicitly stated, is © British
   Crown copyright, 2016 and is licensed under the GNU Lesser General 
   Public License as published by the Free Software Foundation, either 
   version 3 of the License, or (at your option) any later version. 
   You should find all source files with the following header:

   Code License

   © British Crown Copyright 2011 - 2016, Met Office

   This file is part of cartopy.

   Cartopy is free software: you can redistribute it and/or modify it 
   under the terms of the GNU Lesser General Public License as
   published by the Free Software Foundation, either version 3 of the
   License, or (at your option) any later version.

   Cartopy is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with cartopy. If not, see https://www.gnu.org/licenses/.


matplotlib:

   License agreement for matplotlib 3.1.1
   
   1. This LICENSE AGREEMENT is between the Matplotlib Development
   Team ("MDT"), and the Individual or Organization ("Licensee")
   accessing and otherwise using matplotlib software in source or
   binary form and its associated documentation.
   
   2. Subject to the terms and conditions of this License Agreement,
   MDT hereby grants Licensee a nonexclusive, royalty-free, world-wide
   license to reproduce, analyze, test, perform and/or display
   publicly, prepare derivative works, distribute, and otherwise use 
   matplotlib 3.1.1 alone or in any derivative version, provided,
   however, that MDT's License Agreement and MDT's notice of
   copyright, i.e., "Copyright (c) 2012-2013 Matplotlib Development
   Team; All Rights Reserved" are retained in matplotlib 3.1.1 alone
   or in any derivative version prepared by Licensee.
   
   3. In the event Licensee prepares a derivative work that is based
   on or incorporates matplotlib 3.1.1 or any part thereof, and wants
   to make the derivative work available to others as provided herein, 
   then Licensee hereby agrees to include in any such work a brief
   summary of the changes made to matplotlib 3.1.1.
   
   4. MDT is making matplotlib 3.1.1 available to Licensee on an "AS
   IS" basis. MDT MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR
   IMPLIED. BY WAY OF EXAMPLE, BUT NOT LIMITATION, MDT MAKES NO AND
   DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR
   FITNESS FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF MATPLOTLIB
   3.1.1 WILL NOT INFRINGE ANY THIRD PARTY RIGHTS.
   
   5. MDT SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF
   MATPLOTLIB 3.1.1 FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL
   DAMAGES OR LOSS AS A RESULT OF MODIFYING, DISTRIBUTING, OR
   OTHERWISE USING MATPLOTLIB 3.1.1, OR ANY DERIVATIVE THEREOF, EVEN
   IF ADVISED OF THE POSSIBILITY THEREOF.
   
   6. This License Agreement will automatically terminate upon a
   material breach of its terms and conditions.
   
   7. Nothing in this License Agreement shall be deemed to create any 
   relationship of agency, partnership, or joint venture between MDT
   and Licensee. This License Agreement does not grant permission to
   use MDT trademarks or trade name in a trademark sense to endorse or 
   promote products or services of Licensee, or any third party.

NumPy:

   NumPy license
   Copyright © 2005-2019, NumPy Developers.
   All rights reserved.
   
   Redistribution and use in source and binary forms, with or without 
   modification, are permitted provided that the following conditions are met:
   
     * Redistributions of source code must retain the above copyright
       notice, this list of conditions and the following disclaimer.
   
     * 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.
   
     * Neither the name of the NumPy Developers nor the names of any 
       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 OWNER 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.

SciPy:

   SciPy license
   Copyright © 2001, 2002 Enthought, Inc.
   All rights reserved.
   
   Copyright © 2003-2013 SciPy Developers.
   All rights reserved.
   
   Redistribution and use in source and binary forms, with or without 
   modification, are permitted provided that the following conditions are met:
   
     * Redistributions of source code must retain the above copyright
       notice, this list of conditions and the following disclaimer.
   
     * 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.
   
     * Neither the name of Enthought nor the names of the SciPy
       Developers 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
   REGENTS 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.

xarray:
  
   xarray is available under the open source Apache License.
   http://www.apache.org/licenses/LICENSE-2.0.html

esmpy:

   Licensed under the University of Illinois-NCSA License.
   https://opensource.org/licenses/NCSA