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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.]
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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] and by the [https://sites.wustl.edu/acag/ Atmospheric Composition Analysis Group at Washington University].
  
 
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|-valign="top"
 
|-valign="top"
 
|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>
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|width="450px" align="center" bgcolor="#CCFFFF"|<font size="+2">[[GEOS-Chem 13.3.4|'''Current release: GEOS-Chem 13.3.4''']]</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.
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*'''19 Sep 2021:''' Read the [[Media:GEOS-Chem_Newsletter_Winter_2021.pdf|GEOS-Chem Newsletter, Winter 2021]]
*'''06 Aug 2020:''' [[GEOS-Chem_12#12.9.3|GEOS-Chem 12.9.3]] is now available!
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*'''18 Nov 2021:''' [[GEOS-Chem 13.3.2]] is now available!
*'''30 May 2020''' Read the [[Media:GEOS-Chem_Newsletter_Spring_2020.pdf|GEOS-Chem Newsletter, Spring 2020 Edition]]!
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*'''11 Dec 2020:''' A [https://scholar.google.com/citations?user=ho-sNj4AAAAJ GEOS-Chem Google Scholar page] is now available
*'''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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:::::Click 'Follow' to be notified of new publications. Contact [mailto:gxl642@student.bham.ac.uk Gongda Lu] with issues or questions.
*'''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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*'''02 Apr 2020:''' The GEOS-Chem Youtube Channel has 100+ subscribers and a new URL: <tt>'''https://youtube.com/c/geoschem'''</tt>
*'''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!
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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]
*'''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]].
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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
  
 
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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|-valign="top"
 
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!width="200px" bgcolor="#CCCCCC"|Item
 
!width="200px" bgcolor="#CCCCCC"|Item
 +
!width="400px" bgcolor="#CCCCCC"|Link
 
!width="400px" bgcolor="#CCCCCC"|Description
 
!width="400px" bgcolor="#CCCCCC"|Description
!width="400px" bgcolor="#CCCCCC"|Documentation is located at:
 
  
 
|-valign="top"
 
|-valign="top"
 
|'''GEOS-Chem Classic'''
 
|'''GEOS-Chem Classic'''
|GEOS-Chem single-node implementation<br>(using 1-64 computational cores)
 
 
|[[Getting Started with GEOS-Chem]] (wiki page)
 
|[[Getting Started with GEOS-Chem]] (wiki page)
 +
*NOTE: Will be ported to geos-chem.readthedocs.io soon
 +
|GEOS-Chem single-node implementation<br>(using 1-64 computational cores)
  
 
|-valign="top"
 
|-valign="top"
 
|'''GCHP'''
 
|'''GCHP'''
|GEOS-Chem multi-node "high performance" implementation<br>(using 100's - 1000's of computational cores)
 
 
|[https://gchp.readthedocs.io gchp.readthedocs.io]
 
|[https://gchp.readthedocs.io gchp.readthedocs.io]
 +
|GEOS-Chem multi-node "high performance" implementation<br>(using 100's - 1000's of computational cores)
  
 
|-valign="top"
 
|-valign="top"
 
|'''GEOS-Chem on the cloud'''
 
|'''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]
 
|[http://cloud.geos-chem.org cloud.geos-chem.org]
 +
|Instructions for running GEOS-Chem on the Amazon Web Services EC2 cloud-computing platform
  
 
|-valign="top"
 
|-valign="top"
 
|'''WRF-GC'''
 
|'''WRF-GC'''
|GEOS-Chem coupled to the WRF GCM
 
 
|[http://wrf.geos-chem.org wrf.geos-chem.org]
 
|[http://wrf.geos-chem.org wrf.geos-chem.org]
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|GEOS-Chem coupled to the WRF GCM
  
 
|-valign="top"
 
|-valign="top"
 
|'''HEMCO'''
 
|'''HEMCO'''
 +
|[https://hemco.readthedocs.io hemco.readthedocs.io]
 
|The Harmonized Emissions Component
 
|The Harmonized Emissions Component
|[https://hemco.readthedocs.io hemco.readthedocs.io]
 
  
 
|-valign="top"
 
|-valign="top"
 
|'''GCPy'''
 
|'''GCPy'''
|The GEOS-Chem Python Toolkit
 
 
|[https://gcpy.readthedocs.io gcpy.readthedocs.io]
 
|[https://gcpy.readthedocs.io gcpy.readthedocs.io]
 +
|The GEOS-Chem Python Toolkit
 +
 +
|-valign="top"
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|'''KPP-for-GEOS-Chem'''
 +
|[https://kpp.readthedocs.io kpp.readthedocs.io]
 +
|The Kinetic PreProcessor (KPP), customized for GEOS-Chem
  
 
|-valign="top"
 
|-valign="top"
 
|'''GEOS-Chem Adjoint'''
 
|'''GEOS-Chem Adjoint'''
|The GEOS-Chem adjoint model<br> (NOTE: maintained separately from GEOS-Chem)
 
 
|[[GEOS-Chem Adjoint]] (wiki page)
 
|[[GEOS-Chem Adjoint]] (wiki page)
 +
|The GEOS-Chem adjoint model<br> (NOTE: maintained separately from GEOS-Chem)
  
 
|-valign="top"
 
|-valign="top"
 
|'''GEOS-Chem Videos'''
 
|'''GEOS-Chem Videos'''
|Tutorial videos for GEOS-Chem, GCHP, HEMCO, GCPy, and related topics
 
 
|[https://youtube.com/c/geos-chem youtube.com/c/geos-chem]
 
|[https://youtube.com/c/geos-chem youtube.com/c/geos-chem]
 +
|Tutorial videos for GEOS-Chem, GCHP, HEMCO, GCPy, etc., and recordings of GEOS-Chem meeting sessions
  
 
|-valign="top"
 
|-valign="top"
 
|'''GEOS-Chem Guides'''
 
|'''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]] (wiki page)
 
|[[GEOS-Chem overview#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.)
  
 
|}
 
|}
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|-valign="top"
 
|-valign="top"
 
!width="200px" bgcolor="#CCCCCC"|Item
 
!width="200px" bgcolor="#CCCCCC"|Item
 +
!width="400px" bgcolor="#CCCCCC"|Link
 
!width="400px" bgcolor="#CCCCCC"|Description
 
!width="400px" bgcolor="#CCCCCC"|Description
!width="400px" bgcolor="#CCCCCC"|Documentation is located at:
 
  
 
|-valign="top"
 
|-valign="top"
 
|'''GEOS-Chem website'''
 
|'''GEOS-Chem website'''
|Website that links to GEOS-Chem information and resources
 
 
|[http://www.geos-chem.org geos-chem.org]
 
|[http://www.geos-chem.org geos-chem.org]
 +
|Website that links to GEOS-Chem information and resources
  
 
|-valign="top"
 
|-valign="top"
|Welcome Letter
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|'''Welcome Letter'''
|A welcome letter for new users of GEOS-Chem
+
 
|[[GEOS-Chem welcome letter for new users]] (wiki page)
 
|[[GEOS-Chem welcome letter for new users]] (wiki page)
 +
|A welcome letter for new users of GEOS-Chem
  
 
|-valign="top"
 
|-valign="top"
|GEOS-Chem Overview
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|'''GEOS-Chem Overview'''
|Overview page for GEOS-Chem.
+
 
|[[GEOS-Chem overview]] (wiki page)
 
|[[GEOS-Chem overview]] (wiki page)
 +
|A page with linking to many GEOS-Chem topics.
  
 
|-valign="top"
 
|-valign="top"
|GEOS-Chem Versions
+
|'''GEOS-Chem Narrative'''
|A list of GEOS-Chem versions
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|[http://geos-chem.org/geos_chem_narrative.html geos-chem.org/geos_chem_narrative.html]
|[[GEOS-Chem versions]] (wiki page)
+
|A narrative descrption of GEOS-Chem that you can include in scientific papers (plus instructions for citing GEOS-Chem)
  
 
|-valign="top"
 
|-valign="top"
|GEOS-Chem Steering Committee (GCSC)
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|'''GEOS-Chem New Developments'''
|GCSC member list and minutes from GCSC meetings
+
|[http://geos-chem.org/geos_new_developments.html geos-chem.org/geos_new_developments.html]
 +
|A list of significant GEOS-Chem updates and the developers who worked on them
 +
 
 +
|-valign="top"
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|'''GEOS-Chem Steering Committee (GCSC)'''
 
|[http://www.geos-chem.org/geos_steering_cmte.html geos-chem.org/geos_steering_cmte.html]  
 
|[http://www.geos-chem.org/geos_steering_cmte.html geos-chem.org/geos_steering_cmte.html]  
 +
|A listing of current GCSC members and minutes from GCSC meetings
  
 +
|-valign="top"
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|'''GEOS-Chem Working Groups'''
 +
|[http://www.geos-chem.org/geos_working_groups.html geos-chem.org/geos_working_groups.html]
 +
|A listing of GEOS-Chem Working Groups and Working Group Co-Chairs
 +
 +
|-valign="top"
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|'''GEOS-Chem Versions'''
 +
|[[GEOS-Chem versions]] (wiki page)
 +
|A listing of GEOS-Chem versions (with links for more information)
  
 
|-valign="top"
 
|-valign="top"
|GEOS-Chem Species List
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|'''GEOS-Chem Species List'''
|Information about species used in the GEOS-Chem chemistry mechanisms
+
 
|[[Guide to species in GEOS-Chem]] (wiki page)
 
|[[Guide to species in GEOS-Chem]] (wiki page)
 +
|A listing of the species used in the GEOS-Chem chemistry mechanisms
  
 
|-valign="top"
 
|-valign="top"
|Requesting Suppport
+
|'''Requesting Support'''
|A guide to creating GEOS-Chem support requests using the Github issue trackers
+
 
|[[Submitting GEOS-Chem support requests]] (wiki page)
 
|[[Submitting GEOS-Chem support requests]] (wiki page)
 +
|Instructions for creating GEOS-Chem support requests using the Github issue trackers
  
 
|-valign="top"
 
|-valign="top"
|Submitting code or data
+
|'''Submitting code or data'''
|Guidelines for submitting new science updates or new data sources for inclusion into GEOS-Chem
+
 
|[[Submitting updates for inclusion in GEOS-Chem]] (wiki page)
 
|[[Submitting updates for inclusion in GEOS-Chem]] (wiki page)
 +
|Instructions for submitting new source code or data updates to be included into GEOS-Chem.
  
 
|}
 
|}

Latest revision as of 19:25, 7 December 2021

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 13.3.4 Future releases

News

Click 'Follow' to be notified of new publications. Contact Gongda Lu with issues or questions.

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)
  • NOTE: Will be ported to geos-chem.readthedocs.io soon
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 GEOS-Chem coupled to the WRF GCM
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.org/geos_chem_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/geos_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/geos_steering_cmte.html A listing of current GCSC members and minutes from GCSC meetings
GEOS-Chem Working Groups geos-chem.org/geos_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 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.