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GEOS-Chem Input Data

air quality climate environmental meteorological weather


Input data for the GEOS-Chem Chemical Transport Model. Including the NASA/GMAO MERRA-2 and GEOS-FP meteorological products, the HEMCO emission inventories, and other small data such as model initial conditions.

Update Frequency

New meteorological and emission data will be added when available.



Managed By

Harvard University and Washington University in St. Louis

See all datasets managed by Harvard University]( and [Washington University in St. Louis.


How to Cite

GEOS-Chem Input Data was accessed on DATE from

Usage Examples


Resources on AWS

  • Description
    Top-level directory for all GEOS-Chem data.
    Resource type
    S3 Bucket
    Amazon Resource Name (ARN)
    AWS Region
    AWS CLI Access (No AWS account required)
    aws s3 ls --no-sign-request s3://gcgrid/

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