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'''This site is under construction!  Not all Please check back here frequently for the latest updates!'''
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|<p><font color="#FFFFFF" size="+3">'''GEOS&#150;Chem Wiki'''</font></p>
  
= GEOS-Chem Topics =
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Click on the links below for information about a particular GEOS-Chem topic:
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== General Information ==
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{|border="0" width="925px" bordercolor="#FFFFFF" cellspacing="0" cellpadding="5"
  
=== GEOS-Chem Personnel ===
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* [[wiki:geos-chem:personnel Programming Staff and System Administrator]]
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=== Data Access ===
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----
* [[wiki:geos-chem:data_access How to download GEOS-Chem and the data directories]]
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=== General Information ===
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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>
* [[wiki:code_development The GEOS-Chem code development cycle]]
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* [[wiki:openmp Parallelizing GEOS-Chem with the OpenMP directives]]
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* [[wiki:programming_resources List of programming resources (tutorials, user guides, etc.)]]
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* [[http://www.as.harvard.edu/chemistry/trop/geos/doc/style/ GEOS-Chem Programming Style Guide]]
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=== Debugging ===
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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 [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] and by the [https://sites.wustl.edu/acag/ Atmospheric Composition Analysis Group at Washington University].
* [[wiki:debugging_tips|Tips on how to debug GEOS-Chem effectively]]
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* [[wiki:reporting_bugs|How to report a bug in GEOS-Chem]]
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* [[wiki:errors|Common error messages]]
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== Code Developers' Forums ==
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These pages contain specific information about coding issues, emissions, chemistry, met fields, and other aspects of GEOS-Chem.
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{|border="1" width="925px" bordercolor="#000000" cellspacing="0" cellpadding="5"
  
=== Coding ===
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|-valign="top"
* [[wiki:dev_forum|Standard Code Development]]
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|colspan="3" align="center" bgcolor="#CCCCCC"|'''<font size="+2">[[GEOS-Chem overview]]</font>'''
* [[wiki:machine_forum|Machine Issues & Portability]]
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|-valign="top"
* [[wiki:bug_forum|Bugs and Fixes]]
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|width="225px" align="center"|<font size="+2">[[GEOS-Chem versions|Past releases]]</font>
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|width="450px" align="center" bgcolor="#CCFFFF"|<font size="+2">[[GEOS-Chem 13.4.1|'''Current release: GEOS-Chem 13.4.1''']]</font>
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|width="225px" align="center"|<font size="+2">[[GEOS-Chem model development_priorities|Future releases]]</font>
  
=== Emissions ===
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|}
* [[wiki:anthro_forum|Anthropogenic Emissions]]
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* [[wiki:biofuel_forum|Biofuel Emissions]]
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* [[wiki:biogenic_forum|Biogenic Emissions]]
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* [[wiki:biomass_forum|Biomass Burning Emissions]]
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* [[wiki:lightning_forum|Lightning Emissions]]
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=== Chemistry ===
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== News ==
* [[wiki:chem_forum|NOx-Ox-HC-aerosol-hydrocarbons (aka "full chemistry")]]
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*'''19 May 2022:''' [[GEOS-Chem 13.4.1]] is now available!
* [[wiki:mercury_forum|Mercury simulation]]
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*'''24 Feb 2022:''' Read the [[Media:GEOS-Chem_Newsletter_2022_Issue_1.pdf|GEOS-Chem Newsletter 2022, Issue #1]]
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*'''11 Dec 2020:''' A [https://scholar.google.com/citations?user=ho-sNj4AAAAJ GEOS-Chem Google Scholar page] is now available!
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**Click 'Follow' to be notified of new publications.
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**Contact [mailto:gxl642@student.bham.ac.uk Gongda Lu] with issues or questions.
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*'''02 Apr 2020:''' The GEOS-Chem Youtube Channel has 100+ subscribers and a new URL: <tt>'''https://youtube.com/c/geoschem'''</tt>
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*'''03 Feb 2020:''' View our GEOS-Chem "dry-run" tutorial at our [http://youtube.geos-chem.org GEOS-Chem Youtube channel]
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*'''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
  
=== Met Fields ===
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For access to all past GEOS-Chem newsletters, visit [[GEOS-Chem newsletters|this page]].
* [[wiki:geos5_forum|GEOS-5 Issues]]
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* [[http://www.as.harvard.edu:16080/chemistry/trop/geos/doc/man/gc_a4.html|GEOS-Chem Met Fields (from website)]]
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=== Related Projects ===
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== Documentation ==
* GEOS-Chem Adjoint
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== Wiki Documentation ==
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=== GEOS-Chem manuals and tutorials ===
* [http://meta.wikimedia.org/wiki/Help:Contents User's Guide]
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* [http://www.mediawiki.org/wiki/Manual:Configuration_settings Configuration settings list]
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The table below lists the various manual pages for GEOS-Chem and its related software packages.
* [http://www.mediawiki.org/wiki/Manual:FAQ MediaWiki FAQ]
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* [http://lists.wikimedia.org/mailman/listinfo/mediawiki-announce MediaWiki release mailing list]
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{| border=1 cellpadding=5 cellspacing=0
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|-valign="top"
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!width="200px" bgcolor="#CCCCCC"|Item
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!width="360px" bgcolor="#CCCCCC"|Link
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!width="375px" bgcolor="#CCCCCC"|Description
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|-valign="top"
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|'''GEOS-Chem Classic'''
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|[[Getting Started with GEOS-Chem]] (wiki page)
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*NOTE: In the process of being ported to<br>[https://geos-chem.readthedocs.io geos-chem.readthedocs.io]
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|GEOS-Chem single-node implementation<br>(using 1-64 computational cores)
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|-valign="top"
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|'''GCHP'''
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|[https://gchp.readthedocs.io gchp.readthedocs.io]
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|GEOS-Chem multi-node "high performance" implementation<br>(using 100's - 1000's of computational cores)
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|-valign="top"
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|'''GEOS-Chem on the cloud'''
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|[http://cloud.geos-chem.org cloud.geos-chem.org]
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|Instructions for running GEOS-Chem on the Amazon Web Services EC2 cloud-computing platform
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|-valign="top"
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|'''WRF-GC'''
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|[http://wrf.geos-chem.org wrf.geos-chem.org]
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[https://wrfgc.readthedocs.io wrfgc.readthedocs.io]
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|GEOS-Chem coupled to the WRF weather model
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|-valign="top"
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|'''HEMCO'''
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|[https://hemco.readthedocs.io hemco.readthedocs.io]
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|The Harmonized Emissions Component
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|-valign="top"
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|'''GCPy'''
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|[https://gcpy.readthedocs.io gcpy.readthedocs.io]
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|The GEOS-Chem Python Toolkit
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|-valign="top"
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|'''KPP-for-GEOS-Chem'''
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|[https://kpp.readthedocs.io kpp.readthedocs.io]
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|The Kinetic PreProcessor (KPP), customized for GEOS-Chem
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|-valign="top"
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|'''GEOS-Chem Adjoint'''
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|[[GEOS-Chem Adjoint]] (wiki page)
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|The GEOS-Chem adjoint model<br> (NOTE: maintained separately from GEOS-Chem)
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|-valign="top"
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|'''GEOS-Chem Videos'''
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|[https://youtube.com/c/geos-chem youtube.com/c/geos-chem]
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|Tutorial videos for GEOS-Chem, GCHP, HEMCO, GCPy, etc., and recordings of GEOS-Chem meeting sessions
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|-valign="top"
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|'''GEOS-Chem Guides'''
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|[[GEOS-Chem overview#GEOS-Chem Guides|GEOS-Chem Guides]] (wiki page)
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|Short manuals giving a deeper dive into various GEOS-Chem topics (such as compilers, netCDF, diagnostics, etc.)
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|}
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=== General information about GEOS-Chem ===
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The table below lists where you can find general information about GEOS-Chem.
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{| border=1 cellpadding=5 cellspacing=0
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|-valign="top"
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!width="200px" bgcolor="#CCCCCC"|Item
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!width="360px" bgcolor="#CCCCCC"|Link
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!width="365px" bgcolor="#CCCCCC"|Description
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|-valign="top"
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|'''GEOS-Chem website'''
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|[http://www.geos-chem.org geos-chem.org]
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|Website that links to GEOS-Chem information and resources
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|-valign="top"
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|'''Welcome Letter'''
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|[[GEOS-Chem welcome letter for new users]] (wiki page)
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|A welcome letter for new users of GEOS-Chem
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|-valign="top"
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|'''GEOS-Chem Overview'''
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|[[GEOS-Chem overview]] (wiki page)
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|A page with linking to many GEOS-Chem topics.
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|-valign="top"
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|'''GEOS-Chem Narrative'''
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|[https://geos-chem.seas.harvard.edu/geos-chem-narrative geos-chem.seas.harvard.edu/geos-chem-narrative]
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|A narrative descrption of GEOS-Chem that you can include in scientific papers (plus instructions for citing GEOS-Chem)
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|-valign="top"
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|'''GEOS-Chem New Developments'''
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|[https://geos-chem.seas.harvard.edu/geos-new-developments geos-chem.seas.harvard.edu/geos-new-developments]
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|A list of significant GEOS-Chem updates and the developers who worked on them
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|-valign="top"
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|'''GEOS-Chem Steering Committee (GCSC)'''
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|[http://geos-chem.seas.harvard.edu/geos-steering-cmte geos-chem.seas.harvard.edu/geos-steering-cmte]
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|A listing of current GCSC members and minutes from GCSC meetings
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|-valign="top"
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|'''GEOS-Chem Working Groups'''
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|[https://geos-chem.seas.harvard.edu/geos-working-groups geos-chem.seas.harvard.edu/geos-working-groups]  
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|A listing of GEOS-Chem Working Groups and Working Group Co-Chairs
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|-valign="top"
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|'''GEOS-Chem Versions'''
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|[[GEOS-Chem versions]] (wiki page)
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|A listing of GEOS-Chem versions (with links for more information)
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|-valign="top"
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|'''GEOS-Chem Species List'''
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|[[Guide to species in GEOS-Chem]] (wiki page)
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|A listing of the species used in the GEOS-Chem chemistry mechanisms
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|-valign="top"
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|'''Requesting Support'''
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|[[Submitting GEOS-Chem support requests]] (wiki page)
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|Instructions for creating GEOS-Chem support requests using the Github issue trackers
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|-valign="top"
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|'''Submitting code or data'''
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|[[Submitting updates for inclusion in GEOS-Chem]] (wiki page)
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|Instructions for submitting new source code or data updates to be included into GEOS-Chem.
 +
 
 +
|}

Latest revision as of 17:15, 21 June 2022

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 13.4.1 Future releases

News

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

Documentation

GEOS-Chem manuals and tutorials

The table below lists the various manual pages for GEOS-Chem and its related software packages.

Item Link Description
GEOS-Chem Classic Getting Started with GEOS-Chem (wiki page) GEOS-Chem single-node implementation
(using 1-64 computational cores)
GCHP gchp.readthedocs.io GEOS-Chem multi-node "high performance" implementation
(using 100's - 1000's of computational cores)
GEOS-Chem on the cloud cloud.geos-chem.org Instructions for running GEOS-Chem on the Amazon Web Services EC2 cloud-computing platform
WRF-GC wrf.geos-chem.org

wrfgc.readthedocs.io

GEOS-Chem coupled to the WRF weather model
HEMCO hemco.readthedocs.io The Harmonized Emissions Component
GCPy gcpy.readthedocs.io The GEOS-Chem Python Toolkit
KPP-for-GEOS-Chem kpp.readthedocs.io The Kinetic PreProcessor (KPP), customized for GEOS-Chem
GEOS-Chem Adjoint GEOS-Chem Adjoint (wiki page) The GEOS-Chem adjoint model
(NOTE: maintained separately from GEOS-Chem)
GEOS-Chem Videos youtube.com/c/geos-chem Tutorial videos for GEOS-Chem, GCHP, HEMCO, GCPy, etc., and recordings of GEOS-Chem meeting sessions
GEOS-Chem Guides GEOS-Chem Guides (wiki page) Short manuals giving a deeper dive into various GEOS-Chem topics (such as compilers, netCDF, diagnostics, etc.)

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 welcome letter for new users (wiki page) 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.seas.harvard.edu/geos-chem-narrative 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.seas.harvard.edu/geos-new-developments A list of significant GEOS-Chem updates and the developers who worked on them
GEOS-Chem Steering Committee (GCSC) geos-chem.seas.harvard.edu/geos-steering-cmte A listing of current GCSC members and minutes from GCSC meetings
GEOS-Chem Working Groups geos-chem.seas.harvard.edu/geos-working-groups 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 Guide to species in GEOS-Chem (wiki page) A listing of the species used in the GEOS-Chem chemistry mechanisms
Requesting Support Submitting GEOS-Chem support requests (wiki page) Instructions for creating GEOS-Chem support requests using the Github issue trackers
Submitting code or data Submitting updates for inclusion in GEOS-Chem (wiki page) Instructions for submitting new source code or data updates to be included into GEOS-Chem.