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geoschem/geos-chem: GEOS-Chem 12.1.1

The International GEOS-Chem User Community

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<oai_dc:dc xmlns:dc="" xmlns:oai_dc="" xmlns:xsi="" xsi:schemaLocation="">
  <dc:creator>The International GEOS-Chem User Community</dc:creator>
  <dc:description>GEOS-Chem 12.1.1
Released 13 Dec 2018

Contains the following updates:
(1) Bug fix for tagged CO: don't multiply emissions timestep by 60
(2) Bug fix for planeflight diagnostic: skip observations that lie outside the nested domain
(3) Always compile with BPCH_TPBC=y to enable the bpch code for nested boundary conditions
(4) Do not create the hemco_standalone.x executable when compiling in HPC environments
(5) Bug fix: Add missing dependency for flexgrid_read_mod in the GeosCore/Makefile
(6) Add GCHP transport fix to prevent instant propagation from troposphere to stratosphere

For more information about this release. please see:

Also please see 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 here:</dc:description>
  <dc:description>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</dc:description>
  <dc:title>geoschem/geos-chem: GEOS-Chem 12.1.1</dc:title>
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