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<big>'''GEOS-Chem Wiki'''</big>
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|<p><font color="#FFFFFF" size="+3">'''GEOS&#150;Chem Wiki'''</font></p>
  
The [http://www.as.harvard.edu/ctm/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://www.as.harvard.edu NASA Global Modeling and Assimilation Office]. It is applied by [http://www.as.harvard.edu/ctm/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://www.as.harvard.edu/ctm/index.html Atmospheric Chemistry Modeling Group at Harvard University.]
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This wiki is meant to facilitate communication between GEOS-Chem users and developers.  If you would like to contribute to the wiki, please register as a user by clicking ''create account'' at the top right corner of this page.
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== General Information about GEOS-Chem ==
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The links below provide more information about general GEOS-Chem topics.
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=== Introduction and Overview ===
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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>
* [http://www.as.harvard.edu/ctm/geos/geos_overview.html GEOS-Chem Overview]
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* [http://www.as.harvard.edu/ctm/geos/geos_vision.html GEOS-Chem Vision]
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* [http://www.as.harvard.edu/ctm/geos/geos_charter.html GEOS-Chem Management Charter]
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* [http://www.as.harvard.edu/ctm/geos/geos_people GEOS-Chem People & Projects]
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* [[GEOS-Chem welcome letter for new users]]
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* [[GEOS-Chem programming staff]]
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=== Getting Started with GEOS-Chem ===
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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.]
* [[Minimum system requirements for GEOS-Chem]]
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* [[Downloading GEOS-Chem source code and data]]
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* [[GEOS-Chem code development cycle]]
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* [[GEOS-Chem programming resources]] (e.g. 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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=== General Technical Information ===
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* [[GEOS-Chem Debugging Tips|Tips on how to debug GEOS-Chem effectively]]
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* [[Reporting GEOS-Chem bugs]]
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* [[Parallelizing GEOS-Chem]] with the OpenMP directives
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* [[Common GEOS-Chem error messages]]
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== Code Developers' Forums ==
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These pages contain more specific information about coding issues, emissions, chemistry, met fields, version history, and other aspects of GEOS-Chem. GEOS-Chem users and developers should feel free to contribute to these pages and to initiate discussion on the various topics listed here.
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|-valign="top"
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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 12#12.7.2|'''Current release: GEOS-Chem 12.7.2''']]</font>'''''
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|width="225px" align="center"|<font size="+2">[[GEOS-Chem model development_priorities|Future releases]]</font>
  
=== Coding ===
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* [[GEOS-Chem versions under development]]
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* [[Machine issues & portability]]
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* [[Bugs and fixes]]
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=== Emissions ===
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== News ==
* [[Aircraft emissions]]
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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>!
* [[Anthropogenic emissions]]
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*'''09 Mar 2020:''' [[GEOS-Chem_12#12.7.2|GEOS-Chem 12.7.2]] is now available!
* [[Biofuel emissions]]
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*'''12 Feb 2020''' Read the [[Media:GEOS-Chem_Newsletter_Winter_2020.pdf|GEOS-Chem Newsletter, Winter 2020 Edition]]!
* [[Biogenic emissions]]
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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]!
* [[Biomass burning emissions]]
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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!
* [[Lightning NOx emissions]]
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*'''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]].
  
=== Chemistry ===
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For access to all past GEOS-Chem newsletters, visit [[GEOS-Chem newsletters|this page]].
* [[NOx-Ox-HC-aerosol|NOx-Ox-hydrocarbon-aerosol (aka "full-chemistry") simulation]]
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* [[Mercury|Mercury simulation]]
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=== Met Fields ===
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== Documentation ==
* [[GCAP]]
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* GMAO GEOS-5
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** [[List of GEOS-5 met fields]]
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** [[GEOS-5 issues]]
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* [http://www.as.harvard.edu/ctm/geos/doc/man/gc_a4.html GEOS-Chem Met Fields (from website)]
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=== Related Projects ===
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*[[GEOS-Chem welcome letter for new users]]
* [[GEOS-Chem Adjoint]]
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*[[GEOS-Chem overview]]
* [http://coco.atmos.washington.edu/cgi-bin/ion-p?page=arctas.ion|GEOS-Chem Near-Real-Time Simulations]
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*[[GEOS-Chem basics]]
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*[[Getting Started with GEOS-Chem]]
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*[[Getting Started with GCHP]]
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*[http://cloud.geos-chem.org Running GEOS-Chem on AWS cloud ('''''cloud.geos-chem.org''''')]
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*[[GEOS-Chem overview#GEOS-Chem Guides|GEOS-Chem Guides]]
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*[[GEOS-Chem_Benchmarks|GEOS-Chem Benchmarks]]
  
== Data Visualization and Analysis ==
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== Featured links ==
 
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*[[Submitting GEOS-Chem support requests]]
=== IDL ===
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*[[Bugs and fixes|List of bugs and fixes by GEOS-Chem version]]
* [http://www.ittvis.com/ ITT Visualization (vendor)]
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**NOTE: This is being migrated to the [https://github.com/geoschem/geos-chem/issues GEOS-Chem Github issue tracker]
* [http://idlastro.gsfc.nasa.gov/idl_html_help/Structures.html Structures in IDL]
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*[[Submitting updates for inclusion in GEOS-Chem]]
* [http://idlastro.gsfc.nasa.gov/idl_html_help/Pointers.html Pointers in IDL]
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*[[GEOS-Chem HP|GCHP Main Page]]
* [http://idlastro.gsfc.nasa.gov/idl_html_help/Overview_of_Mathematics_in_IDL.html Overview of Mathematics in IDL]
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*[[GEOS-Chem Adjoint]]
* [http://www.dfanning.com/ Coyote's Guide to IDL Programming (David Fanning's Web Site)] - Lots of tips on how to accomplish programming tasks
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*[http://wrf.geos-chem.org GEOS-Chem coupled with WRF ('''''wrf.geos-chem.org''''')]
* [http://www.mpimet.mpg.de/en/misc/software/idl IDL Page at Max Planck Institute for Meteorology]  
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*[http://youtube.geos-chem.org GEOS-Chem YouTube Channel ('''''youtube.geos-chem.org''''')&mdash;contains tutorial videos]
* [http://www.mpimet.mpg.de/en/misc/software/idl/doc/mgs_script.pdf Martin Schultz's IDL Tutorial (PDF Format)]  
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* [http://idlastro.gsfc.nasa.gov/homepage.html IDL Astronomy User's Library]
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* [http://fermi.jhuapl.edu/s1r/idl/idl.html JHU/APL/S1R IDL routines page]
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* [http://cow.physics.wisc.edu/~craigm/idl/idl.html Craig Markwardt's IDL library]
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* [http://cimss.ssec.wisc.edu/~gumley/doc/idltips.pdf The Underground Guide to IDL by Liam Gumley (PDF)]
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=== GAMAP ===
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* [http://www.as.harvard.edu/chemistry/trop/gamap/ GAMAP web page]
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* [http://www.as.harvard.edu/chemistry/trop/gamap/documentation/ GAMAP on-line users' guide]
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* [[GAMAP tips and tricks]]
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* [http://www-as.harvard.edu/chemistry/trop/gamap/doc/timeseries_brief_tutorial.pdf Working with timeseries output in GAMAP]
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* [http://www.as.harvard.edu/chemistry/trop/forum_files/cdh_ColorInIDL.pdf Working with color in IDL by Chris Holmes]
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== Wiki Documentation ==
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* [http://www.mediawiki.org/wiki/Manual:FAQ MediaWiki FAQ]
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* [http://meta.wikimedia.org/wiki/Help:Contents MediaWiki User's Guide]
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* [http://meta.wikimedia.org/wiki/Help:Wikitext Examples of Wiki markup text]
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* [http://www.mediawiki.org/wiki/Manual:Configuration_settings Configuration Settings list]
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* [http://lists.wikimedia.org/mailman/listinfo/mediawiki-announce MediaWiki release mailing list]
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Revision as of 15:44, 3 April 2020

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.

Past releases Current release: GEOS-Chem 12.7.2 Future releases

News

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

Documentation

Featured links