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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.

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GEOS-Chem Topics

Click on the links below for information about a particular GEOS-Chem topic:

General Information

GEOS-Chem Personnel

• GEOS-Chem Programming Staff

Data Access

• How to download GEOS-Chem and the data directories

General Information

• GEOS-Chem code development cycle
• Parallelizing GEOS-Chem with the OpenMP directives
• Programming Resources (e.g. tutorials, user guides, etc.)]]
• [GEOS-Chem Programming Style Guide]

Debugging

• Tips on how to debug GEOS-Chem effectively
• How to report a bug in GEOS-Chem
• Common GEOS-Chem error messages

Code Developers' Forums

These pages contain specific information about coding issues, emissions, chemistry, met fields, and other aspects of GEOS-Chem.

Coding

• Standard Code Development
• Machine Issues & Portability
• Bugs and Fixes

Emissions

• Anthropogenic Emissions
• Biofuel Emissions
• Biogenic Emissions
• Biomass Burning Emissions
• Lightning Emissions

Chemistry

• NOx-Ox-hydrocarbon-aerosol (aka "full-chemistry") simulation
• Mercury simulation

Met Fields

• GEOS-5 Issues
• [GEOS-Chem Met Fields (from website)]

Related Projects

• GEOS-Chem Adjoint
• Near-Real-Time Simulations

Wiki Documentation

• MediaWiki User's Guide
• Configuration Settings list
• MediaWiki FAQ
• MediaWiki release mailing list