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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>
  
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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://www.as.harvard.edu 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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This wiki is meant to facilitate communication between GEOS-Chem users and developers. If this is '''your first time here''', check out [[Features of the GEOS-Chem public wiki|the features page]]. 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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New information is continually being added to the wiki, so please check back here often, or even better, [[Features_of_the_GEOS-Chem_public_wiki#Let_the_GEOS-Chem_wiki_inform_you_of_recent_changes.21|subscribe to the recent changes' RSS feed]]: you will not miss a discussion!
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text
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----
  
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== Code Developers' Forums ==
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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>
  
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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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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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=== Coding ===
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* [[GEOS-Chem versions under development]]
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* [[Machine issues & portability]]
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* [[Floating point math issues]]
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* [[Bugs and fixes]]
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* [[Outstanding issues yet to be resolved]]
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=== Diagnostics ===
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* [http://acmg.seas.harvard.edu/geos/doc/man/appendix_5.html Overview of diagnostics characteristics]
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* [[Mass Flux (ND24/25/26)]]
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* [[Additional diagnostics]]
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=== Emissions ===
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* [[Overview]]
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|width="225px" align="center"|<font size="+2">[[GEOS-Chem versions|Past releases]]</font>
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* [[Aircraft emissions]]
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|width="450px" align="center" bgcolor="#CCFFFF"|<font size="+2">[[GEOS-Chem 12#12.8.2|'''Current release: GEOS-Chem 12.8.2''']]</font>'''''
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* [[Anthropogenic emissions]]
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|width="225px" align="center"|<font size="+2">[[GEOS-Chem model development_priorities|Future releases]]</font>
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** [http://acmg.seas.harvard.edu/geos/word_pdf_docs/emissions_v8_02_03.pdf Description of anthropogenic emissions inventories in GEOS-Chem v8-02-03]
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** [http://wiki.seas.harvard.edu/geos-chem/images/Anth_emiss_gc_v8-01-04.pdf Description of anthropogenic emissions inventories in GEOS-Chem v8-01-04]
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** [http://acmg.seas.harvard.edu/geos/word_pdf_docs/INVENTORY_GC_public-pre_v8.pdf Table of available anthropogenic emissions inventories for use w/ GEOS-Chem (pre-v8)]
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* [[Biofuel emissions]]
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* [[Biogenic emissions]]
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* [[Biomass burning emissions]]
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* [[Lightning NOx emissions]]
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=== Chemistry ===
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* [[Chemistry Issues]]
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* [[NOx-Ox-HC-aerosol|NOx-Ox-hydrocarbon-aerosol (aka "full-chemistry") simulation]]
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* [[Photolysis mechanism]]
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* [[Mercury|Mercury simulation]]
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* [[Tagged CO simulation]]
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* [[KPP solvers FAQ]]
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* [[Isoprene]]
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=== Aerosols ===
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== News ==
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* [[Aerosols overview: projects and developments]]
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*'''30 May 2020''' Read the [[Media:GEOS-Chem_Newsletter_Spring_2020.pdf|GEOS-Chem Newsletter, Spring 2020 Edition]]!
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* [[Aerosol-only simulation]]
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*'''27 May 2020:''' [[GEOS-Chem_12#12.8.2|GEOS-Chem 12.8.2]] is now available!
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* [[Aerosol thermodynamical equilibrium]]
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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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* [[Secondary organic aerosols]]
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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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* [[Sea salt aerosols]]
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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!
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* [[Sulfate aerosols]]
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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]].
  
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=== Met Fields ===
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For access to all past GEOS-Chem newsletters, visit [[GEOS-Chem newsletters|this page]].
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* [[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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** [[GEOS-5 met field reprocessing]]
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* [http://acmg.seas.harvard.edu/geos/doc/man/appendix_4.html GEOS-Chem Met Fields (from website)]
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** [[Notes regarding GEOS vertical grids]]
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=== Nested Grid Simulations ===
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== Documentation ==
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* [[GEOS-Chem nested grid simulations]]
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* [[Available met data for nested grid simulations]]
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** [http://acmg.seas.harvard.edu/geos/wiki_docs/nested_grids/geos_data_downloads.pdf Protocol for nested-grid data downloads]
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=== Earth System Model Framework ===
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*[[GEOS-Chem welcome letter for new users]]
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* [[Installing ESMF and other required libraries]]
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*[[GEOS-Chem overview]]
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* [[Code development with the Earth System Model Framework]]
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*[[GEOS-Chem basics]]
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* [[Automatic documentation with protex|Generating automatic LaTeX documentation with protex]]
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*[[Getting Started with GEOS-Chem]]
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** [http://frodo.elon.edu/tutorial/tutorial/tutorial.html Web-based LaTeX tutorial]
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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]]
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*[[Guide to species in GEOS-Chem|GEOS-Chem species]]
  
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=== Related Projects ===
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== Featured links ==
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* [[GEOS-Chem column code]]
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*[[Submitting GEOS-Chem support requests]]
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* [[GEOS-Chem Adjoint]]
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*[[Bugs_and_fixes#Bugs_and_fixes_lists_have_now_been_migrated_to_Github|List of GEOS-Chem bugs and fixes by version]] (as posted on [https://github.com/geoschem/geos-chem/issues/ our Github issue tracker])
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* [[GEOS-Chem Near-Real-Time Simulations]]
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*[[Submitting updates for inclusion in GEOS-Chem]]
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*[[GEOS-Chem HP|GCHP Main Page]]
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== Data Visualization and Analysis ==
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*[[GEOS-Chem Adjoint]]
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*[http://wrf.geos-chem.org GEOS-Chem coupled with WRF ('''''wrf.geos-chem.org''''')]
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=== IDL ===
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*[http://youtube.com/c/geoschem GEOS-Chem YouTube Channel ('''''youtube.com/c/geoschem''''')&mdash;contains tutorial videos]
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* [http://www.ittvis.com/ ITT Visualization (vendor)]  
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* [http://idlastro.gsfc.nasa.gov/idl_html_help/Structures.html Structures in IDL]
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* [http://idlastro.gsfc.nasa.gov/idl_html_help/Pointers.html Pointers in IDL]
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* [http://idlastro.gsfc.nasa.gov/idl_html_help/Overview_of_Mathematics_in_IDL.html Overview of Mathematics in IDL]
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* [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://www.mpimet.mpg.de/en/misc/software/idl IDL Page at Max Planck Institute for Meteorology]  
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* [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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* [[Reading binary files in IDL]]
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=== GAMAP ===
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* [http://acmg.seas.harvard.edu/gamap/ GAMAP web page]
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* [http://acmg.seas.harvard.edu/gamap/doc/ GAMAP on-line users' guide]
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* [[GAMAP bugs and fixes]]
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* [[GAMAP tips and tricks]]
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**[[General GAMAP usage]]
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**[[File I/O with GAMAP]]
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***[http://acmg.seas.harvard.edu/gamap/doc/timeseries_brief_tutorial.pdf Working with timeseries output in GAMAP]
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**[[Color and graphics with GAMAP]]
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*** [http://acmg.seas.harvard.edu/geos/wiki_docs/gamap/gamap_color_table_file.pdf Loading Color Tables in GAMAP v2.12]
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*** [http://acmg.seas.harvard.edu/forum_files/cdh_ColorInIDL.pdf Working with color in IDL by Chris Holmes]
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**[[Regridding with GAMAP]]
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**[[Date and time computations with GAMAP]]
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**[[Text manipulation with GAMAP]]
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== Wiki Documentation ==
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* [[Sandbox]]
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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://meta.wikimedia.org/wiki/Help:Reference_card One-page editing reference card]
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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 13:49, 1 June 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 12.8.2 Future releases

News

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

Documentation

Featured links

Retrieved from "https://wiki.seas.harvard.edu/geos-chem/index.php?title=Main_Page&oldid=47392"