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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><big><strong>''[http://igc9.geos-chem.org/ The 9th International GEOS-Chem Meeting (IGC9)] will be held at Harvard from May 6-9, 2019.  [http://acmg.seas.harvard.edu/geos/meetings/2019/register.html Register today!]''</strong></big></big></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://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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|-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#12.1.1|'''Current release: GEOS-Chem 12.1.1''']]</font>
+
|width="450px" align="center" bgcolor="#CCFFFF"|<font size="+2">[[GEOS-Chem 12#12.8.2|'''Current release: GEOS-Chem 12.8.2''']]</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>
 
|-valign="top" align="center"
 
|colspan="3" align="center"|<big>To get started with GEOS-Chem, please see our manuals: '''[http://manual.geos-chem.org GEOS-Chem User's Guide]''' and '''[[Getting Started With GCHP]]'''</big>
 
 
|-valign="top" align="center"
 
|colspan="3" align="center"|<big>Learn how you can [http://cloud.geos-chem.org '''run GEOS-Chem on the Amazon Web Services cloud computing platform!''']</big>
 
 
|-valign="top" align="center"
 
|colspan="3" align="center"|<big>For assistance with GEOS-Chem, please see: '''[[Submitting GEOS-Chem support requests]]'''</big>
 
  
 
|}
 
|}
  
 +
== News ==
 +
*'''30 May 2020''' Read the [[Media:GEOS-Chem_Newsletter_Spring_2020.pdf|GEOS-Chem Newsletter, Spring 2020 Edition]]!
 +
*'''27 May 2020:''' [[GEOS-Chem_12#12.8.2|GEOS-Chem 12.8.2]] 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>!
 +
*'''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"
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For access to all past GEOS-Chem newsletters, visit [[GEOS-Chem newsletters|this page]].
  
|-height="50" bgcolor="#00AAAA" align="center"
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== Documentation ==
|colspan="2"|<p><font color="#FFFFFF" size="+2">'''General information about GEOS-Chem'''</font></p>
+
  
|-valign="top" bgcolor="#CCCCCC"
+
*[[GEOS-Chem welcome letter for new users]]
!width="1000px" colspan="2"|<big>Introduction to GEOS-Chem and the International GEOS-Chem User Community</big>
+
*[[GEOS-Chem overview]]
 +
*[[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]]
 +
*[[Guide to species in GEOS-Chem|GEOS-Chem species]]
  
|-valign="top"
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== Featured links ==
|width="500px"| <!-- Intro and overview -->
+
*[[Submitting GEOS-Chem support requests]]
*[http://acmg.seas.harvard.edu/geos/geos_overview.html Overview of GEOS-Chem and its user community]
+
*[[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])
** [[GEOS-Chem welcome letter for new users]]
+
*[[Submitting updates for inclusion in GEOS-Chem]]
** [http://acmg.seas.harvard.edu/geos/geos_people.html GEOS-Chem People & Projects]
+
*[[GEOS-Chem HP|GCHP Main Page]]
** [[GEOS-Chem Support Team]]
+
** [[GEOS-Chem newsletters]]
+
** [[GEOS-Chem versions]]
+
** [http://acmg.seas.harvard.edu/geos/geos_chem_narrative.html Narrative description of GEOS-Chem]
+
** [[Media:LICENSE.txt|GEOS-Chem public license]] and [[Media:AUTHORS.txt|list of developers]]
+
** [http://acmg.seas.harvard.edu/geos/geos_pub.html List of GEOS-Chem publications]
+
** [http://acmg.seas.harvard.edu/geos/geos_new_developments.html Recommendations for offering co-authorships to GEOS-Chem developers]
+
** [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|Basic information about getting set up with GEOS-Chem]]
+
* [http://manual.geos-chem.org/ GEOS-Chem User's Guide]
+
* [[Getting_Started_With_GCHP|GCHP User's Guide]]
+
* [[Frequently asked questions about GEOS-Chem]]
+
|
+
* [[Minimum system requirements for GEOS-Chem]]
+
* [http://cloud.geos-chem.org GEOS-Chem on the Amazon EC2 cloud]
+
* [[Downloading GEOS-Chem source code and data]]
+
* [[Creating GEOS-Chem run directories]]
+
 
+
|}
+
 
+
<br>
+
 
+
{|border="1" width="1000px" bordercolor="#000000" cellspacing="0" cellpadding="5"
+
 
+
|-height="50" bgcolor="#00AAAA" align="center"
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|colspan="2"|<p><font color="#FFFFFF" size="+2">'''GEOS-Chem Code Developers' Forums'''</font></p>
+
 
+
|-valign="top" bgcolor="#CCCCCC"
+
!width="500px"|<big>Coding</big>
+
!width="500px"|<big>Meteorology Fields</big>
+
 
+
|-valign="top"
+
| <!-- Coding -->
+
*[[GEOS-Chem coding and debugging]]
+
**[[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]]
+
**[[Common GEOS-Chem error messages]]
+
**[[GEOS-Chem coding and debugging#GEOS-Chem debugging tips|Tips on how to debug GEOS-Chem effectively]]
+
**[[Debugging with the GEOS-Chem unit tester]]
+
**[[Performing Difference Tests with GEOS-Chem]]
+
**[[Submitting GEOS-Chem support requests]]
+
**[[Working with netCDF data files]]
+
*[[GEOS-Chem performance]]
+
**[[Speeding up GEOS-Chem]]
+
**[[Profiling GEOS-Chem]]
+
**[[Parallelizing GEOS-Chem]] with the OpenMP directives
+
**[[Passing array arguments efficiently in GEOS-Chem]]
+
**[[Floating point math issues]]
+
 
+
| <!-- Met fields -->
+
* GEOS-Chem [[GEOS-Chem horizontal grids|horizontal grids]] and [[GEOS-Chem vertical grids|vertical grids]]
+
* [[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]]
+
 
+
|-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
+
**[[Grid-independent emissions]]
+
**[[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]]
+
**[[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]]
+
* [[GEOS-Chem_species_database#Adding_new_species_to_the_GEOS-Chem_species_database|Adding species to GEOS-Chem]]
+
* [[Adding passive species to GEOS-Chem]]
+
*Other resources
+
**[[FlexChem]]
+
**[[Chemistry Issues]]
+
**[[Centralized chemistry time step]]
+
**[[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|List of GEOS-Chem 1-year benchmark simulations]]
+
**[[Mean OH concentration]]
+
**[[GEOS-Chem_performance#Timing_results_from_1-month_benchmarks|1-month benchmark timing results]]
+
**[[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 -->
+
*Available diagnostics in GEOS-Chem
+
**[[List of diagnostics archived to bpch format|Binary punch (aka bpch) format]]
+
**[[List of diagnostics archived to netCDF format|NetCDF format]]
+
*[[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''''')]
*[[Coupling GEOS-Chem with other models]]
+
*[http://youtube.com/c/geoschem GEOS-Chem YouTube Channel ('''''youtube.com/c/geoschem''''')&mdash;contains tutorial videos]
*[[FlexAOD]]
+
*[[ATom Related GEOS-Chem Projects]]
+
|<!-- Other resources -->
+
*[http://www.researcherid.com/rid/C-5595-2014 GEOS-Chem publications page on ResearcherID]
+
*[http://acmg.seas.harvard.edu/geos/meetings/2018_GCA/presentationsposters.html Presentations from the GCA1 meeting (2018)]
+
*[http://acmg.seas.harvard.edu/geos/meetings/2017/presentationsposters.html Presentations from the IGC8 Meeting (2017)]
+
*[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]
+
**[http://acmg.seas.harvard.edu/geos/wiki_docs/compilers/PDF_Fortran_Compiler_UG_17_0.pdf Version 17]
+
*[[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 -->
+
*[[Features of the GEOS-Chem public wiki]]
+
*[[Customizing your GEOS-Chem Wiki Settings]]
+
*[[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]
+
*[http://www.mediawiki.org/wiki/Manual:Configuration_settings Configuration Settings 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

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

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