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geoschem/geos-chem: GEOS-Chem 12.7.2

The International GEOS-Chem Community

GEOS-Chem 12.7.2
19 Feb 2020

This version introduces several bug fixes and minor updates.

Updates affecting GEOS-Chem "Classic" only:

  • Restrict wet scavenging to troposphere in Luo et al 2019 wetdep scheme
    • NOTE: This is an option and is turned off by default
  • Bug fix for reading 3-hourly boundary condition files after hour 21 (GEO- S-Chem "Classic" only)
  • Remove unused routines in regrid_a2a_mod.F90

Updates affecting GCHP only:

  • Fix pointer retrieval error in SET_CH4 introduced in 12.7.0 when running at c180+
    • NOTE: This also corrects a long-standing and previously unidentified issue when running with reduced timesteps
  • Use new Ordonez files to avoid error in MAPL when running at c360

Read the GEOS-Chem online manual at:

This release is compatible with GCHP. See the GCHP online manual for more information:

Learn how you can run GEOS-Chem on the Amazon Web Services cloud computing platform:

Please see the LICENSE.txt and AUTHORS.txt files in the root folder for the GEOS-Chem license description (based on the MIT license) and a complete list of authors. For more information about GEOS-Chem in general, please see and
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