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|<p><font color="#FFFFFF" size="+3">'''GEOS&#150;Chem Wiki'''</font></p>
 
|<p><font color="#FFFFFF" size="+3">'''GEOS&#150;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://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.]
 
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.
 
 
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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{|border="1" width="1000px" bordercolor="#000000" cellspacing="0" cellpadding="5"
|-valign="top" align="center"
 
|width="334px"|'''Getting started w/ GEOS-Chem:'''
 
|width="333px"|'''[[GEOS-Chem welcome letter for new users|Welcome letter for new users]]'''
 
|width="333px"|'''[[GEOS-Chem basics]]'''
 
 
|-valign="top" bgcolor="#CCFFFF" align="center"
 
|'''Current public release:'''
 
|'''[[GEOS-Chem v11-01]]'''
 
|'''[[GEOS-Chem v11-01 benchmark history|v11-01 benchmark history]]'''
 
 
|-valign="top" align="center"
 
|'''Version in development:'''
 
|'''[[GEOS-Chem v11-02]]'''
 
|'''[[GEOS-Chem v11-02 benchmark history|v11-02 benchmark history]]'''
 
 
|-valign="top" align="center"
 
|'''Version for HPC environments:'''
 
|'''[[GEOS-Chem HP]]'''
 
|'''[[GEOS-Chem HP Status]]'''
 
 
|-valign="top" align="center"
 
|'''List of publications:'''
 
|'''[http://acmg.seas.harvard.edu/geos/geos_pub.html Refer to this page]'''
 
|
 
 
|}
 
 
<br>
 
 
{|border="1" width="1000px" bordercolor="#000000" cellspacing="0" cellpadding="5"
 
 
|-height="50" bgcolor="#00AAAA" align="center"
 
|colspan="2"|<p><font color="#FFFFFF" size="+2">'''General information about GEOS-Chem'''</font></p>
 
 
|-valign="top" bgcolor="#CCCCCC"
 
!width="1000px" colspan="2"|<big>Introduction to GEOS-Chem and the International GEOS-Chem User Community</big>
 
  
 
|-valign="top"
 
|-valign="top"
|width="500px"| <!-- Intro and overview -->
+
|width="225px" align="center"|<font size="+2">[[GEOS-Chem versions|Past releases]]</font>
*[http://acmg.seas.harvard.edu/geos/geos_overview.html Overview of GEOS-Chem and its user community]
+
|width="450px" align="center" bgcolor="#CCFFFF"|<font size="+2">[[GEOS-Chem 12#12.7.2|'''Current release: GEOS-Chem 12.7.2''']]</font>'''''
**[http://acmg.seas.harvard.edu/geos/geos_people.html GEOS-Chem People & Projects]
+
|width="225px" align="center"|<font size="+2">[[GEOS-Chem model development_priorities|Future releases]]</font>
** [[GEOS-Chem Support Team]]
+
** [[GEOS-Chem newsletters]]
+
** [http://acmg.seas.harvard.edu/geos/geos_new_developments.html Recommendations for offering co-authorships to GEOS-Chem developers]
+
** [[GEOS-Chem_versions_under_development|GEOS-Chem code development history]]
+
** [http://acmg.seas.harvard.edu/geos/geos_chem_narrative.html Narrative description of GEOS-Chem]
+
* [[GEOS-Chem basics|Basic information about getting set up with GEOS-Chem]]
+
** [[GEOS-Chem welcome letter for new users]]
+
** [[Features of the GEOS-Chem public wiki]]
+
** [[Customizing your GEOS-Chem Wiki Settings]]
+
** [http://acmg.seas.harvard.edu/geos/geos_search.html GEOS-Chem Search Engines]
+
|width="500px"| <!-- Steering committee etc -->
+
* [http://acmg.seas.harvard.edu/geos/geos_steering_cmte.html GEOS-Chem Steering Committee]
+
** [[GEOS-Chem model development priorities]]
+
* [http://acmg.seas.harvard.edu/geos/geos_working_groups.html GEOS-Chem Working Groups]
+
** [[GEOS-Chem Adjoint|Adjoint Model and Data Assimilation Working Group]]
+
** [[Aerosols Working Group]]
+
** [[Carbon Cycle Working Group]]
+
** [[Chemistry-Ecosystems-Climate Working Group]]
+
** [[GEOS-Chem High Performance Working Group]]
+
** [[Hg and POPs Working Group]]
+
** [[Chemistry Issues|Chemistry Working Group]]
+
** [[Emissions and Deposition Working Group]]
+
** [[Transport Working Group]]
+
*[[GEOS-Chem Nested Model]]
+
  
|-valign="top" bgcolor="#CCCCCC"
 
!width="1000px" colspan="2"|<big>Getting started with GEOS-Chem</big>
 
 
|-valign="top"
 
|
 
* [[GEOS-Chem basics]] (e.g. tutorials, user guides, etc.)
 
* [[Frequently asked questions about GEOS-Chem]]
 
* [[Minimum system requirements for GEOS-Chem]]
 
* [[Downloading GEOS-Chem source code and data]]
 
* [[GEOS-Chem performance]]
 
* [[Creating GEOS-Chem run directories]]
 
* [[GEOS-Chem coding style guide]]
 
* GEOS-Chem [[GEOS-Chem horizontal grids|horizontal grids]] and [[GEOS-Chem vertical grids|vertical grids]]
 
|
 
* [[Initial conditions for GEOS-Chem]]
 
* [[Centralized chemistry time step]]
 
* [[GEOS-Chem coding and debugging#GEOS-Chem debugging tips|Tips on how to debug GEOS-Chem effectively]]
 
* [[Parallelizing GEOS-Chem]] with the OpenMP directives
 
* [[Common GEOS-Chem error messages]]
 
* [[Adding tracers to GEOS-Chem|Adding tracers to GEOS-Chem (v10-01 and prior)]]
 
* [[GEOS-Chem_species_database#Adding_new_species_to_the_GEOS-Chem_species_database|Adding species to GEOS-Chem (v11-01 and later)]]
 
* [[Adding passive species to GEOS-Chem]]
 
 
|}
 
|}
  
<br>
+
== News ==
 +
*'''02 Apr 2020:''' The GEOS-Chem Youtube Channel has 100+ subscribers and a new URL: <tt>'''https://youtube.com/c/geoschem'''</tt>!
 +
*'''09 Mar 2020:''' [[GEOS-Chem_12#12.7.2|GEOS-Chem 12.7.2]] is now available!
 +
*'''12 Feb 2020''' Read the [[Media:GEOS-Chem_Newsletter_Winter_2020.pdf|GEOS-Chem Newsletter, Winter 2020 Edition]]!
 +
*'''03 Feb 2020:''' View our GEOS-Chem "dry-run" tutorial at our [http://youtube.geos-chem.org GEOS-Chem Youtube channel]!
 +
*'''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!
 +
*'''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]].
  
{|border="1" width="1000px" bordercolor="#000000" cellspacing="0" cellpadding="5"
+
For access to all past GEOS-Chem newsletters, visit [[GEOS-Chem newsletters|this page]].
  
|-height="50" bgcolor="#00AAAA" align="center"
+
== Documentation ==
|colspan="2"|<p><font color="#FFFFFF" size="+2">'''GEOS-Chem Code Developers' Forums'''</font></p>
+
  
|-valign="top" bgcolor="#CCCCCC"
+
*[[GEOS-Chem welcome letter for new users]]
!width="500px"|<big>Coding</big>
+
*[[GEOS-Chem overview]]
!width="500px"|<big>Meteorological Fields</big>
+
*[[GEOS-Chem basics]]
 +
*[[Getting Started with GEOS-Chem]]
 +
*[[Getting Started with GCHP]]
 +
*[http://cloud.geos-chem.org Running GEOS-Chem on AWS cloud ('''''cloud.geos-chem.org''''')]
 +
*[[GEOS-Chem overview#GEOS-Chem Guides|GEOS-Chem Guides]]
 +
*[[GEOS-Chem_Benchmarks|GEOS-Chem Benchmarks]]
  
|-valign="top"
+
== Featured links ==
| <!-- Coding -->
+
*[[Submitting GEOS-Chem support requests]]
*Software development
+
*[[Bugs and fixes|List of bugs and fixes by GEOS-Chem version]]
**[[GEOS-Chem versions under development]]
+
**NOTE: This is being migrated to the [https://github.com/geoschem/geos-chem/issues GEOS-Chem Github issue tracker]
**[[Version control with Git]]
+
*[[Submitting updates for inclusion in GEOS-Chem]]
*[[GEOS-Chem coding and debugging]]
+
*[[GEOS-Chem HP|GCHP Main Page]]
**[[GEOS-Chem coding style guide]]
+
**[[Bugs and fixes|List of GEOS-Chem bugs and in which version they were resolved]]
+
**[[Currently unresolved issues in GEOS-Chem]]
+
**[[Known issues caused by compiler bugs|Known GEOS-Chem issues caused by compiler bugs]]
+
**[[Machine issues & portability|Machine issues and portability]]
+
**[[Debugging with the GEOS-Chem unit tester]]
+
**[[Performing Difference Tests with GEOS-Chem]]
+
**[[Common GEOS-Chem error messages]]
+
**[[GEOS-Chem_coding_and_debugging#Reporting_GEOS-Chem_bugs_to_the_GEOS-Chem_Support_Team|Reporting GEOS-Chem bugs to the GCST]]
+
*[[GEOS-Chem performance]]
+
**[[Profiling GEOS-Chem]]
+
**[[Passing array arguments efficiently in GEOS-Chem]]
+
**[[Floating point math issues]]
+
**[[GEOS-Chem performance#7-day time tests|Results from 7-day timing tests]]
+
| <!-- Met fields -->
+
*[[Overview of GMAO met data products]]
+
**[[Version history of GMAO met data products]]
+
**[[Available met data for nested grid simulations]]
+
**[[List of reprocessed met fields]]
+
*[[MERRA-2|GMAO MERRA-2]]
+
**[[List of MERRA-2 met fields|List of MERRA-2 met fields used by GEOS-Chem]]
+
**[[MERRA-2 implementation details|Implementing MERRA-2 into GEOS-Chem]]
+
*[[GEOS-FP|GMAO GEOS-FP]]
+
**[[List of GEOS-FP met fields|List of GEOS-FP met fields used by GEOS-Chem]]
+
**[[GEOS-FP implementation details|Implementing GEOS-FP into GEOS-Chem]]
+
*[[MERRA|GMAO MERRA "reanalysis"]]
+
**[[List of MERRA met fields|List of MERRA met fields used by GEOS-Chem]]
+
**[[MERRA implementation details|Implementing MERRA into GEOS-Chem]]
+
*[[GEOS-5|GMAO GEOS-5.2.0]]
+
**[[List of GEOS-5 met fields|List of GEOS-5.2.0 met fields used by GEOS-Chem]]
+
**[[GEOS-5 issues|Issues with GEOS-5.2.0 met data]]
+
 
+
|-valign="top" bgcolor="#CCCCCC"
+
!width="500px"|<big>Emissions</big>
+
!width="500px"|<big>Chemistry</big>
+
 
+
|-valign="top"
+
|<!-- Emissions -->
+
*[[HEMCO|HEMCO emissions component]]
+
**[[HEMCO data directories]]
+
**[[The HEMCO User's Guide]]
+
**[[Implementation of HEMCO in GEOS-Chem]]
+
*Emissions categories
+
**[[Aerosol emissions]]
+
**[[Aircraft emissions]]
+
**[[Anthropogenic emissions]]
+
**[[Scale factors for anthropogenic emissions]]
+
**[[Biofuel emissions]]
+
**[[Biogenic emissions]]
+
**[[Biomass burning emissions]]
+
**[[Lightning NOx emissions]]
+
**[[Ship emissions]]
+
**[[Soil NOx emissions]]
+
**[[Volcanic SO2 emissions from Aerocom|Volcanic emissions]]
+
**[[Historical and Future Emissions|Historical and future emissions]]
+
|<!-- Chemistry -->
+
*[[GEOS-Chem chemistry mechanisms]]
+
**[[GEOS-Chem chemistry mechanisms#Stratospheric chemistry|Stratopsheric chemistry options]]
+
**[[GEOS-Chem chemistry mechanisms#Specialty simulations|Specialty simulations (aka "offline simulations")]]
+
**[[Photolysis mechanism|Photolysis mechanisms used in GEOS-Chem]]
+
*[[Species in GEOS-Chem]]
+
**[[GEOS-Chem species database]]
+
**[[Physical properties of GEOS-Chem species]]
+
**[[GEOS-Chem species units]]
+
**[[Species indexing in GEOS-Chem]]
+
*Other resources
+
**[[FlexChem]]
+
**[[Chemistry Issues]]
+
**[[Process Analysis Diagnostics]]
+
**[[Linking GEOS-Chem to CMAQ]]
+
**[[Coupling GEOS-Chem with RRTMG]]
+
**[[DSMACC chemical box model]]
+
 
+
|-valign="top" bgcolor="#CCCCCC"
+
!width="500px"|<big>Dynamics</big>
+
!width="500px"|<big>Deposition</big>
+
 
+
|-valign="top"
+
| <!-- Dynamics -->
+
*[[Advection scheme TPCORE]]
+
*[[Boundary layer mixing]]
+
*[[Cloud convection]]
+
*[[Dynamic tropopause]]
+
| <!-- Deposition -->
+
*[[Dry deposition]]
+
**[[Leaf area indices in GEOS-Chem]]
+
**[[Olson land map]]
+
*[[Wet deposition]]
+
 
+
|-valign="top" bgcolor="#CCCCCC"
+
!width="500px"|<big>Aerosols</big>
+
!width="500px"|<big>Benchmarking and Evaluation</big>
+
 
+
|-valign="top"
+
| <!-- Aerosols -->
+
*[[Aerosol-only simulation]]
+
*[[Aerosol optical properties]]
+
*[[Aerosol thermodynamical equilibrium]]
+
*[[Carbonaceous aerosols]]
+
*[[Mineral dust aerosols]]
+
*[[Secondary organic aerosols]]
+
*[[Sea salt aerosols]]
+
*[[Sulfate aerosols]]
+
*Aerosol Microphysics
+
**[[APM aerosol microphysics|APM]]
+
**[[TOMAS aerosol microphysics|TOMAS]]
+
| <!-- Benchmarks -->
+
*[[GEOS-Chem_benchmarking|General info about GEOS-Chem benchmark simulations]]
+
**[[GEOS-Chem_versions_under_development|List of GEOS-Chem 1-year benchmark simulations]]
+
**[[Mean OH concentration]]
+
**[[GEOS-Chem v11-01 benchmark history]]
+
**[[GEOS-Chem v10-01 benchmark history]]
+
**[[GEOS-Chem v9-02 benchmark history]]
+
**[ftp://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/ FTP site with output from 1-year GEOS-Chem benchmark simulations]
+
*Other resources
+
**[[GEOS-Chem participation in community intercomparisons]]
+
**[[Satellite_Specifications_Table|Satellite Instrument Specifications Table]]
+
 
+
|-valign="top" bgcolor="#CCCCCC"
+
!width="500px"|<big>Nested grid simulations</big>
+
!width="500px"|<big>Diagnostics</big>
+
 
+
|-valign="top"
+
| <!-- Nested grid -->
+
*[[GEOS-Chem nested grid simulations]]
+
*[[Setting up GEOS-Chem nested grid simulations]]
+
*[[Available met data for nested grid simulations]]
+
*[http://acmg.seas.harvard.edu/geos/wiki_docs/nested_grids/geos_data_downloads.pdf Protocol for nested-grid data downloads]
+
*[[Steps to setup new nested domains]]
+
*[[GEOS-Chem nested model publications]]
+
| <!-- Diagnostics -->
+
*[[List of diagnostics for v11-01|List of current GEOS-Chem diagnostics]]
+
*[[The HEMCO User's Guide#Diagnostics|Archiving diagnostics from HEMCO to netCDF files]]
+
*[[Diagnostic time step]]
+
*[[Mass Flux (ND24/25/26)]]
+
*[[Additional diagnostics]]
+
 
+
|-valign="top" bgcolor="#CCCCCC"
+
!width="500px"|<big>Related projects</big>
+
!width="500px"|<big>Other resources</big>
+
 
+
|-valign="top"
+
|<!-- Projects -->
+
*[[GEOS-Chem HP]]
+
 
*[[GEOS-Chem Adjoint]]
 
*[[GEOS-Chem Adjoint]]
*[[GEOS-Chem Near-Real-Time Simulations]]
+
*[http://wrf.geos-chem.org GEOS-Chem coupled with WRF ('''''wrf.geos-chem.org''''')]
*[[FlexAOD]]
+
*[http://youtube.geos-chem.org GEOS-Chem YouTube Channel ('''''youtube.geos-chem.org''''')&mdash;contains tutorial videos]
|<!-- Other resources -->
+
*[http://www.researcherid.com/rid/C-5595-2014 GEOS-Chem publications page on ResearcherID]
+
*[http://acmg.seas.harvard.edu/geos/meetings/2017/index.html IGC8 Meeting (May 2017) web site]
+
*[http://acmg.seas.harvard.edu/geos/meetings/2015/presentationsposters.html Presentations from the IGC7 meeting (2015)]
+
*[http://acmg.seas.harvard.edu/geos/meetings/2013/presentations.html Presentations from the IGC6 meeting (2013)]
+
|}
+
 
+
<br>
+
 
+
{|border="1" width="1000px" bordercolor="#000000" cellspacing="0" cellpadding="5"
+
 
+
|-height="50" bgcolor="#00AAAA" align="center"
+
|colspan="2"|<p><font color="#FFFFFF" size="+2">'''Reference Section'''</font></p>
+
 
+
|-valign="top" bgcolor="#CCCCCC"
+
!width="500px"|<big>IDL</big>
+
!width="500px"|<big>GAMAP</big>
+
 
+
|-valign="top"
+
| <!-- IDL -->
+
*[http://www.harrisgeospatial.com/docs/using_idl_home.html Using IDL (Harris Geospatial Solutions site)]
+
*[http://idlastro.gsfc.nasa.gov/idl_html_help/Structures.html Structures in IDL]
+
*[http://idlastro.gsfc.nasa.gov/idl_html_help/Pointers.html Pointers in IDL]
+
*[http://idlastro.gsfc.nasa.gov/idl_html_help/Overview_of_Mathematics_in_IDL.html Overview of Mathematics in IDL]
+
*[http://idlastro.gsfc.nasa.gov/homepage.html IDL Astronomy User's Library]
+
*[http://fermi.jhuapl.edu/s1r/idl/idl.html JHU/APL/S1R IDL routines page]
+
*[http://cow.physics.wisc.edu/~craigm/idl/idl.html Craig Markwardt's IDL library]
+
*[[Reading binary files in IDL]]
+
| <!-- GAMAP -->
+
*[http://acmg.seas.harvard.edu/gamap/ GAMAP web page]
+
*[http://acmg.seas.harvard.edu/gamap/doc/ GAMAP on-line users' guide]
+
*[[GAMAP bugs and fixes]]
+
*[[GAMAP tips and tricks]]
+
**[[General GAMAP usage]]
+
**[[TVMAP cheat sheet]]
+
**[[File I/O with GAMAP]]
+
***[http://acmg.seas.harvard.edu/gamap/doc/timeseries_brief_tutorial.pdf Working with timeseries output in GAMAP]
+
**[[Color and graphics with GAMAP]]
+
***[http://acmg.seas.harvard.edu/geos/wiki_docs/gamap/gamap_color_table_file.pdf Loading Color Tables in GAMAP v2.12]
+
*** [http://acmg.seas.harvard.edu/forum_files/cdh_ColorInIDL.pdf Working with color in IDL by Chris Holmes]
+
**[[Regridding with GAMAP]]
+
**[[Date and time computations with GAMAP]]
+
**[[Text manipulation with GAMAP]]
+
 
+
|-valign="top" bgcolor="#CCCCCC"
+
!width="500px"|<big>Fortran</big>
+
!width="500px"|<big>Perl</big>
+
 
+
|-valign="top"
+
|<!-- Fortran -->
+
*[[Intel Fortran Compiler]]
+
**[http://acmg.seas.harvard.edu/geos/wiki_docs/compilers/main_for_lin_v11.pdf Version 11.1]
+
**[http://acmg.seas.harvard.edu/geos/wiki_docs/compilers/main_for_lin_v12.pdf Version 12.1]
+
**[https://nf.nci.org.au/facilities/software/intel-ct/13.2.146/Documentation/en_US/compiler_f/main_for/index.htm#GUID-81DC012F-20D6-46B1-A524-BFAC4B6F7747.htm#GUID-81DC012F-20D6-46B1-A524-BFAC4B6F7747 Version XE 13.1]
+
**[https://software.intel.com/en-us/compiler_15.0_ug_f Version 15.0]
+
*[[PGI Fortran compiler]]
+
**[http://acmg.seas.harvard.edu/geos/wiki_docs/compilers/pgiug.pdf User Guide]
+
**[http://acmg.seas.harvard.edu/geos/wiki_docs/compilers/pgifortref.pdf Reference Guide]
+
*[[GNU Fortran compiler]]
+
*[[GEOS-Chem basics#Fortran resources|Fortran tutorials]]
+
|<!-- Perl -->
+
*[http://www.perl.com Perl.com]
+
*[http://www.perl.org/books/beginning-perl/ ''Beginning Perl'' by Simon Cozens (free online book)]
+
*[http://backpan.perl.org/authors/id/Q/QU/QUONG/perlin20.html Perl in 20 pages]
+
*[http://www.enginsite.com/Library-Robert%27s-Perl-Tutorial.htm MediaWiki User's Guide]
+
*[http://www.cpan.org/ Comprehensive Perl Archive Network (CPAN.org)]
+
 
+
|-valign="top" bgcolor="#CCCCCC"
+
!width="500px"|<big>R</big>
+
!width="500px"|<big>Python</big>
+
 
+
|-valign="top"
+
|<!-- R -->
+
*[http://www.r-project.org/ The R project for statistical computing]
+
*[http://journal.r-project.org/ The R journal]
+
*[http://www.mayin.org/ajayshah/KB/R/index.html R by example]
+
*[[Using R to analyze GEOS-Chem data]]
+
|<!-- Python -->
+
*[[Python code for GEOS-Chem]]
+
*[http://www.python.org Python.org]: Main site for all things Python
+
*[http://docs.python.org/2/tutorial/ Python.org Tutorial]
+
*[http://wiki.python.org/moin/BeginnersGuide/Programmers PythonWiki.org: List of tutorials and resources]
+
*[https://developers.google.com/edu/python/ Google's Python tutorial]
+
 
+
|-valign="top" bgcolor="#CCCCCC"
+
!width="500px"|<big>NCAR Command Language (NCL)</big>
+
!width="500px"|<big>Wiki documentation</big>
+
 
+
|-valign="top"
+
|<!-- NCL -->
+
*[http://www.ncl.ucar.edu/ NCL main page]
+
*[http://www.ncl.ucar.edu/Applications/ NCL applications]
+
*[http://www.ncl.ucar.edu/Document/ NCL documentation]
+
*[http://www.ncl.ucar.edu/Support/email_lists.shtml Sign up for NCL-Talk email list]
+
*[[NCL_tools_for_GEOS-Chem|NCL4GC: NCL tools for GEOS-Chem]]
+
|<!-- Wiki doc -->
+
*[[Sandbox]]
+
*[http://www.mediawiki.org/wiki/Manual:FAQ MediaWiki FAQ]
+
*[http://meta.wikimedia.org/wiki/Help:Contents MediaWiki User's Guide]
+
*[http://meta.wikimedia.org/wiki/Help:Wikitext Examples of Wiki markup text]
+
*[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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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

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

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