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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 ===
=== 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.
 
=== GEOS-Chem manuals and guides ===
 
* [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]
*[https://geoschem.github.io/gcclassic-manpage-archive/ User manuals for GEOS-Chem 12 and prior versions]
*Guide to running [[GEOS-Chem in CESM]]
*[[Software_maintained_by_GEOS-Chem_community_members|List of software tools maintained by GEOS-Chem users]]
 
=== General information about GEOS-Chem ===
 
The table below lists where you can find general information about GEOS-Chem.


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!width="200px" bgcolor="#CCCCCC"|Item
!width="200px" bgcolor="#CCCCCC"|Item
!width="400px" bgcolor="#CCCCCC"|Description
!width="360px" bgcolor="#CCCCCC"|Link
!width="300px" bgcolor="#CCCCCC"|Documentation is located at:
!width="365px" bgcolor="#CCCCCC"|Description
 
|-valign="top"
|'''GEOS-Chem website'''
|[http://www.geos-chem.org geos-chem.org]
|Website that links to GEOS-Chem information and resources
 
|-valign="top"
|'''Welcome Letter'''
|[http://geos-chem.org/welcome.html geos-chem.org/welcome.html]
|A welcome letter for new users of GEOS-Chem


|-valign="top"
|-valign="top"
|'''GEOS-Chem Classic'''
|'''GEOS-Chem Overview'''
|GEOS-Chem single-node implementation<br>(using 1-64 computational cores)
|[[GEOS-Chem overview]] (wiki page)
|[[Getting Started with GEOS-Chem]] on this wiki
|A page with linking to many GEOS-Chem topics.


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|'''GCHP'''
|'''GEOS-Chem Narrative'''
|GEOS-Chem multi-node "high performance" implementation<br>(using 100's - 1000's of computational cores)
|[http://geos-chem.org/narrative.html geos-chem.org/narrative.html]
|[https://gchp.readthedocs.io gchp.readthedocs.io]
|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 on the cloud'''
|'''GEOS-Chem New Developments'''
|Instructions for running GEOS-Chem on the Amazon Web Services EC2 cloud-computing platform
|[http://geos-chem.org/new-developments.html geos-chem.org/new-developments.html]
|[http://cloud.geos-chem.org cloud.geos-chem.org]
|A list of significant GEOS-Chem updates and the developers who worked on them


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|'''WRF-GC'''
|'''GEOS-Chem Steering Committee (GCSC)'''
|GEOS-Chem coupled to the WRF GCM
|[http://geos-chem.org/steering-committee.html geos-chem.org/steering-committee.html]  
|[http://wrf.geos-chem.org wrf.geos-chem.org]
|A listing of current GCSC members and minutes from GCSC meetings


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|'''HEMCO'''
|'''GEOS-Chem Working Groups'''
|The Harmonized Emissions Component
|[http://geos-chem.org/working-groups geos-chem.org/working-groups.html]  
|[https://hemco.readthedocs.io hemco.readthedocs.io]
|A listing of GEOS-Chem Working Groups and Working Group Co-Chairs


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|'''GCPy'''
|'''GEOS-Chem Versions'''
|The GEOS-Chem Python Toolkit
|[[GEOS-Chem versions]] (wiki page)
|[https://gcpy.readthedocs.io gcpy.readthedocs.io]
|A listing of GEOS-Chem versions (with links for more information)


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|'''GEOS-Chem Adjoint'''
|'''GEOS-Chem Species List'''
|The GEOS-Chem adjoint model<br> (NOTE: maintained separately from GEOS-Chem)
|[https://geos-chem.readthedocs.io/en/latest/geos-chem-shared-docs/supplemental-guides/species-guide.html View GEOS-Chem Species properties] (ReadTheDocs page)
|[[GEOS-Chem Adjoint]] on this wiki
|A listing of the species used in the GEOS-Chem chemistry mechanisms


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|'''GEOS-Chem tutorials'''
|'''GEOS-Chem Guides'''
|Tutorial videos posted to our GEOS-Chem Youtube account
|[[GEOS-Chem_overview#GEOS-Chem_Guides|GEOS-Chem Guides (wiki page)]]
|[https://youtube.com/c/geos-chem youtube.com/c/geos-chem]
|List of several user guides explaining topics in-depth


|}
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|'''Requesting Support'''
|[https://geos-chem.readthedocs.io/en/latest/help-and-reference/SUPPORT.html GEOS-Chem support guidelines]
|ReadTheDocs page with instructions for creating GEOS-Chem support requests using the Github issue trackers


=== General information about GEOS-Chem ===
|-valign="top"
|'''Submitting code or data'''
|[https://geos-chem.readthedocs.io/en/latest/help-and-reference/CONTRIBUTING.html GEOS-Chem contributing guidelines]
|ReadTheDocs page with instructions for submitting new source code or data updates to be included into GEOS-Chem.


*[[GEOS-Chem welcome letter for new users]]
|}
*[[GEOS-Chem overview]]
*[[GEOS-Chem overview#GEOS-Chem Guides|GEOS-Chem Guides]]
*[[GEOS-Chem_Benchmarks|GEOS-Chem Benchmarks]]
*[[Guide to species in GEOS-Chem|GEOS-Chem species]]
*[[Submitting GEOS-Chem support requests]]
*[[Submitting updates for inclusion in GEOS-Chem]]

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"