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|<p><font color="#FFFFFF" size="+3">'''GEOS&#150;Chem Wiki'''</font></p>
|<p><font color="#FFFFFF" size="+3">'''GEOS-Chem Wiki'''</font></p>


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<p align="center"><big>'''GEOS-Chem Community Mission: to advance understanding of human and natural influences on the environment<br>through a comprehensive, state-of-the-science, readily accessible global model of atmospheric composition.'''</big></p>
<p align="center"><big>'''GEOS-Chem Community Mission: to advance understanding of human and natural influences on the environment<br>through a comprehensive, state-of-the-science, readily accessible global model of atmospheric composition.'''</big></p>


The [http://acmg.seas.harvard.edu/geos/ GEOS–Chem model] is a global 3-D model of atmospheric composition driven by assimilated meteorological observations from the Goddard Earth Observing System (GEOS) of the [http://gmao.gsfc.nasa.gov/ NASA Global Modeling and Assimilation Office]. It is applied by [http://acmg.seas.harvard.edu/geos/geos_people.html research groups around the world] to a wide range of atmospheric composition problems, Central management and support of the model is provided by the [http://acmg.seas.harvard.edu/index.html Atmospheric Chemistry Modeling Group at Harvard University.]
The [http://geos-chem.org GEOS–Chem model] is a global 3-D model of atmospheric composition driven by assimilated meteorological observations from the Goddard Earth Observing System (GEOS) of the [http://gmao.gsfc.nasa.gov/ NASA Global Modeling and Assimilation Office]. It is applied by [https://geoschem.github.io/geos-chem-people-projects-map/ research groups around the world] to a wide range of atmospheric composition problems. Central management and support of the model is provided by the [https://acmg.seas.harvard.edu/ Atmospheric Chemistry Modeling Group at Harvard University] and by the [https://sites.wustl.edu/acag/ Atmospheric Composition Analysis Group at Washington University].


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|width="225px" align="center"|<font size="+2">[[GEOS-Chem versions|Past releases]]</font>
|width="225px" align="center"|<font size="+2">[[GEOS-Chem versions|Past releases]]</font>
|width="450px" align="center" bgcolor="#CCFFFF"|<font size="+2">[[GEOS-Chem 12#12.9.3|'''Current release: GEOS-Chem 12.9.3''']]</font>
|width="450px" align="center" bgcolor="#CCFFFF"|<font size="+2">[[GEOS-Chem 14.5.0|'''Current release: GEOS-Chem 14.5.0''']]</font>
|width="225px" align="center"|<font size="+2">[[GEOS-Chem model development_priorities|Future releases]]</font>
|width="225px" align="center"|<font size="+2">[[GEOS-Chem model development_priorities|Future releases]]</font>


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== News ==
== News ==
*'''11 Dec 2020:''' A [https://scholar.google.com/citations?user=ho-sNj4AAAAJ GEOS-Chem Google Scholar page] is now available! Click 'Follow' to be notified of new publications. Contact [mailto:gxl642@student.bham.ac.uk Gongda Lu] with issues or questions.
*02 Feb 2024: Read the [https://drive.google.com/file/d/1lUsMZkO0prJGc2eAR1hSxAlYlRooDwK5/view?usp=sharing GEOS-Chem Newsletter 2024, Issue #1]
*'''06 Aug 2020:''' [[GEOS-Chem_12#12.9.3|GEOS-Chem 12.9.3]] is now available!
*13 Aug 2024: [[GEOS-Chem 14.4.3]] is now available!
*'''30 May 2020''' Read the [[Media:GEOS-Chem_Newsletter_Spring_2020.pdf|GEOS-Chem Newsletter, Spring 2020 Edition]]!
*03 Jul 2024: We have started migrating older content to the [[GEOS-Chem Wiki archives]].
*'''02 Apr 2020:''' The GEOS-Chem Youtube Channel has 100+ subscribers and a new URL: <tt>'''https://youtube.com/c/geoschem'''</tt>!
*A [https://scholar.google.com/citations?user=ho-sNj4AAAAJ GEOS-Chem Google Scholar page] is now available!
*'''03 Feb 2020:''' View our GEOS-Chem "dry-run" tutorial at our [http://youtube.geos-chem.org GEOS-Chem Youtube channel]!
**Click 'Follow' to be notified of new publications.
*'''17 Sep 2019:''' NASA/GMAO is now producing [https://gmao.gsfc.nasa.gov/weather_prediction/GEOS-CF/ GEOS chemical forecasts (GEOS-CF)] using GEOS-Chem coupled to the NASA/GEOS ESM!
**Contact [mailto:rebekah.horner.20@ucl.ac.uk Bex Horner] with issues or questions.
*'''14 Jun 2019:''' We have overhauled the GEOS-Chem wiki to make content easier to understand. If you miss the old front page, it can still be viewed [[Main_Page_(June_2017)|HERE]].
*The GEOS-Chem Youtube Channel has 350+ subscribers and a new URL: <tt>'''https://www.youtube.com/~geoschem'''</tt>
*NASA/GMAO is now producing [https://gmao.gsfc.nasa.gov/weather_prediction/GEOS-CF/ GEOS chemical forecasts (GEOS-CF)] using GEOS-Chem coupled to the NASA/GEOS ESM


For access to all past GEOS-Chem newsletters, visit [[GEOS-Chem newsletters|this page]].
For access to all past GEOS-Chem newsletters, visit [[GEOS-Chem newsletters|this page]].
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== Documentation ==
== Documentation ==


=== GEOS-Chem manuals and tutorials ===
=== Archives ===


The table below lists the various manual pages for GEOS-Chem and its related software packages.  
In order to prepare for a migration of the wiki platform, we have archived many of the oldest wiki pages to PDF format.  Please see our '''[[GEOS-Chem Wiki archives]]''' to view these pages.


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=== GEOS-Chem manuals and guides ===


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* [https://geos-chem.readthedocs.io/en/latest/geos-chem-shared-docs/supplemental-guides/related-docs.html User manuals for GEOS-Chem starting in version 13]
!width="200px" bgcolor="#CCCCCC"|Item
*[https://geoschem.github.io/gcclassic-manpage-archive/ User manuals for GEOS-Chem 12 and prior versions]
!width="400px" bgcolor="#CCCCCC"|Description
*Guide to running [[GEOS-Chem in CESM]]
!width="400px" bgcolor="#CCCCCC"|Documentation is located at:
*[[Software_maintained_by_GEOS-Chem_community_members|List of software tools maintained by GEOS-Chem users]]


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=== General information about GEOS-Chem ===
|'''GEOS-Chem Classic'''
|GEOS-Chem single-node implementation<br>(using 1-64 computational cores)
|[[Getting Started with GEOS-Chem]] (on this wiki)


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The table below lists where you can find general information about GEOS-Chem.
|'''GCHP'''
|GEOS-Chem multi-node "high performance" implementation<br>(using 100's - 1000's of computational cores)
|[https://gchp.readthedocs.io gchp.readthedocs.io]


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|'''GEOS-Chem on the cloud'''
|Instructions for running GEOS-Chem on the Amazon Web Services EC2 cloud-computing platform
|[http://cloud.geos-chem.org cloud.geos-chem.org]


|-valign="top"
|-valign="top"
|'''WRF-GC'''
!width="200px" bgcolor="#CCCCCC"|Item
|GEOS-Chem coupled to the WRF GCM
!width="360px" bgcolor="#CCCCCC"|Link
|[http://wrf.geos-chem.org wrf.geos-chem.org]
!width="365px" bgcolor="#CCCCCC"|Description


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|'''HEMCO'''
|'''GEOS-Chem website'''
|The Harmonized Emissions Component
|[http://www.geos-chem.org geos-chem.org]
|[https://hemco.readthedocs.io hemco.readthedocs.io]
|Website that links to GEOS-Chem information and resources


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|-valign="top"
|'''GCPy'''
|'''Welcome Letter'''
|The GEOS-Chem Python Toolkit
|[http://geos-chem.org/welcome.html geos-chem.org/welcome.html]
|[https://gcpy.readthedocs.io gcpy.readthedocs.io]
|A welcome letter for new users of GEOS-Chem


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|'''GEOS-Chem Adjoint'''
|'''GEOS-Chem Overview'''
|The GEOS-Chem adjoint model<br> (NOTE: maintained separately from GEOS-Chem)
|[[GEOS-Chem overview]] (wiki page)
|[[GEOS-Chem Adjoint]] (on this wiki)
|A page with linking to many GEOS-Chem topics.


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|'''GEOS-Chem Videos'''
|'''GEOS-Chem Narrative'''
|Tutorial videos for GEOS-Chem, GCHP, HEMCO, GCPy, and related topics
|[http://geos-chem.org/narrative.html geos-chem.org/narrative.html]
|[https://youtube.com/c/geos-chem youtube.com/c/geos-chem]
|A narrative descrption of GEOS-Chem that you can include in scientific papers (plus instructions for citing GEOS-Chem)
 
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|'''GEOS-Chem Guides'''
|Short manuals giving a deeper dive into various GEOS-Chem topics (such as compilers, netCDF, diagnostics, etc.)
|[[GEOS-Chem overview#GEOS-Chem Guides|GEOS-Chem Guides]] (on this wiki)
 
|}
 
=== General information about GEOS-Chem ===
 
The table below lists where you can find general information about GEOS-Chem
 
{| border=1 cellpadding=5 cellspacing=0


|-valign="top"
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!width="200px" bgcolor="#CCCCCC"|Item
|'''GEOS-Chem New Developments'''
!width="400px" bgcolor="#CCCCCC"|Description
|[http://geos-chem.org/new-developments.html geos-chem.org/new-developments.html]
!width="300px" bgcolor="#CCCCCC"|Documentation is located at:
|A list of significant GEOS-Chem updates and the developers who worked on them


|-valign="top"
|-valign="top"
|'''Welcome Letter'''
|'''GEOS-Chem Steering Committee (GCSC)'''
|A welcome letter for new users of GEOS-Chem
|[http://geos-chem.org/steering-committee.html geos-chem.org/steering-committee.html]
|[[GEOS-Chem welcome letter for new users]]<br>on this wiki
|A listing of current GCSC members and minutes from GCSC meetings


|-valign="top"
|-valign="top"
|'''GEOS-Chem Overview'''
|'''GEOS-Chem Working Groups'''
|A welcome letter for new users of GEOS-Chem
|[http://geos-chem.org/working-groups geos-chem.org/working-groups.html]
|[[GEOS-Chem overview]] on this wiki
|A listing of GEOS-Chem Working Groups and Working Group Co-Chairs


|-valign="top"
|-valign="top"
|'''GEOS-Chem Versions'''
|'''GEOS-Chem Versions'''
|A list of GEOS-Chem versions
|[[GEOS-Chem versions]] (wiki page)
|[[GEOS-Chem versions]] on this wiki
|A listing of GEOS-Chem versions (with links for more information)


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|-valign="top"
|'''GEOS-Chem Species List'''
|'''GEOS-Chem Species List'''
|Information about species used in the GEOS-Chem chemistry mechanisms
|[https://geos-chem.readthedocs.io/en/latest/geos-chem-shared-docs/supplemental-guides/species-guide.html View GEOS-Chem Species properties] (ReadTheDocs page)
|[[Guide to GEOS-Chem Species]] on this wiki
|A listing of the species used in the GEOS-Chem chemistry mechanisms
 
|-valign="top"
|'''GEOS-Chem Guides'''
|[[GEOS-Chem_overview#GEOS-Chem_Guides|GEOS-Chem Guides (wiki page)]]
|List of several user guides explaining topics in-depth


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|-valign="top"
|'''Requesting Suppport'''
|'''Requesting Support'''
|A guide to creating GEOS-Chem support requests using the Github issue trackers
|[https://geos-chem.readthedocs.io/en/latest/help-and-reference/SUPPORT.html GEOS-Chem support guidelines]
|[[Submitting GEOS-Chem support requests]]<br>on this wiki
|ReadTheDocs page with instructions for creating GEOS-Chem support requests using the Github issue trackers


|-valign="top"
|-valign="top"
|'''Submitting new code or data'''
|'''Submitting code or data'''
|Guidelines for submitting new science updates or new data sources for inclusion into GEOS-Chem
|[https://geos-chem.readthedocs.io/en/latest/help-and-reference/CONTRIBUTING.html GEOS-Chem contributing guidelines]
|[[Submitting updates for inclusion in GEOS-Chem]]<br> on this wiki
|ReadTheDocs page with instructions for submitting new source code or data updates to be included into GEOS-Chem.


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Latest revision as of 16:12, 12 November 2024

GEOS-Chem Wiki

GEOS-Chem Community Mission: to advance understanding of human and natural influences on the environment
through a comprehensive, state-of-the-science, readily accessible global model of atmospheric composition.

The GEOS–Chem model is a global 3-D model of atmospheric composition driven by assimilated meteorological observations from the Goddard Earth Observing System (GEOS) of the NASA Global Modeling and Assimilation Office. It is applied by research groups around the world to a wide range of atmospheric composition problems. Central management and support of the model is provided by the Atmospheric Chemistry Modeling Group at Harvard University and by the Atmospheric Composition Analysis Group at Washington University.

GEOS-Chem overview
Past releases Current release: GEOS-Chem 14.5.0 Future releases

News

For access to all past GEOS-Chem newsletters, visit this page.

Documentation

Archives

In order to prepare for a migration of the wiki platform, we have archived many of the oldest wiki pages to PDF format. Please see our GEOS-Chem Wiki archives to view these pages.

GEOS-Chem manuals and guides

General information about GEOS-Chem

The table below lists where you can find general information about GEOS-Chem.

Item Link Description
GEOS-Chem website geos-chem.org Website that links to GEOS-Chem information and resources
Welcome Letter geos-chem.org/welcome.html A welcome letter for new users of GEOS-Chem
GEOS-Chem Overview GEOS-Chem overview (wiki page) A page with linking to many GEOS-Chem topics.
GEOS-Chem Narrative geos-chem.org/narrative.html A narrative descrption of GEOS-Chem that you can include in scientific papers (plus instructions for citing GEOS-Chem)
GEOS-Chem New Developments geos-chem.org/new-developments.html A list of significant GEOS-Chem updates and the developers who worked on them
GEOS-Chem Steering Committee (GCSC) geos-chem.org/steering-committee.html A listing of current GCSC members and minutes from GCSC meetings
GEOS-Chem Working Groups geos-chem.org/working-groups.html A listing of GEOS-Chem Working Groups and Working Group Co-Chairs
GEOS-Chem Versions GEOS-Chem versions (wiki page) A listing of GEOS-Chem versions (with links for more information)
GEOS-Chem Species List View GEOS-Chem Species properties (ReadTheDocs page) A listing of the species used in the GEOS-Chem chemistry mechanisms
GEOS-Chem Guides GEOS-Chem Guides (wiki page) List of several user guides explaining topics in-depth
Requesting Support GEOS-Chem support guidelines ReadTheDocs page with instructions for creating GEOS-Chem support requests using the Github issue trackers
Submitting code or data GEOS-Chem contributing guidelines ReadTheDocs page with instructions for submitting new source code or data updates to be included into GEOS-Chem.
Retrieved from "https://wiki.seas.harvard.edu/geos-chem/index.php?title=Main_Page&oldid=54457"