GEOS-Chem Classic

Getting Started

Quickstart Guide
Meet all hardware requirements
Meet all software requirements
Customize your login environment
Key references

GEOS-Chem Classic User Guide

Download source code
Create a run directory
Compile the source code
Configure your simulation
- Commonly-updated configuration files
- Less-commonly updated configuration files
Download input data
Run your simulation
View output files
Diagnostics reference

GEOS-Chem Simulations

Simulations overview
Aerosol-only simulation
Carbon gases simulation
Fullchem simulation
Hg (mercury) simulation
Metals simulation
Tagged O3 simulation
TransportTracers simulation

Supplemental Science Guides

Particulate matter in GEOS-Chem

Supplemental Technical Guides

Technical Guides overview
GEOS-Chem Classic folder tree
GEOS-Chem Classic horizontal grids
GEOS-Chem Classic vertical grids
Sample GEOS-Chem run scripts
Run GEOS-Chem Classic on the cloud
Load software into your environment
Build required software with Spack
Customize simulations with research options
Understand what error messages mean
Debug GEOS-Chem and HEMCO errors
Manage a data archive with bashdatacatalog
Archive output with the History diagnostics
Work with netCDF files
Prepare COARDS-compliant netCDF files
View GEOS-Chem species properties
Parallelize GEOS-Chem and HEMCO source code
Run nested-grid simulations
Update chemical mechanisms with KPP
Use the KPP-Standalone box model to test chemical mechanisms
View related documentation

Help & Reference

GEOS-Chem version history
Known bugs and issues
Contributing Guidelines
Support Guidelines
Editing this User Guide

GEOS-Chem Classic

Configure your simulation
HISTORY.rc
View page source

HISTORY.rc

This content has been migrated to our Archive output with the History diagnostics supplemental guide.

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