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GEOS-Chem "Science Codebase" repository. Contains GEOS-Chem science routines, run directory generation scripts, and interface code. This repository is used as a submodule within the GCClassic and GCHP wrappers, as well as in other modeling contexts (external ESMs).

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A bug in the implementation of Scarpelli_Canada CH4 emissions in 13.4.0
resulted in incorrect oil, gas, and coal emissions over the US. The hierarchy
for the CAN_*_COAST entries was accidentally set to 100, so zero values
over the US overwrote the GEPA emissions.

The following fixes are applied:

1. Set the hierarchies for the USA, Canada, and Mexico inventories to
   the same value (100), so the emissions are added. There should be no
   overlap between the inventories, so this will prevent prioritizing
   emissions from one country over the other along borders.

2. Set hierarchies for coastal oil, gas, and coal emissions from the GEPA,
   Scarpelli_Mexico, and Scarpelli_Canada inventories to 5 to add to GFEI.
   The previous hierarchy of 1 was meant to add to EDGAR, but GFEI now
   overwrites EDGAR for oil, gas, and coal sectors.

Signed-off-by: Melissa Sulprizio <mpayer@seas.harvard.edu>
7e51a06

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Description

This repository contains the GEOS-Chem science codebase. Included in this repository are:

  • The source code for GEOS-Chem science routines;
  • Scripts to create GEOS-Chem run directories;
  • Template configuration files that specify run-time options;
  • Scripts to run GEOS-Chem tests;
  • Driver routines (e.g. main.F90) that enable GEOS-Chem to be run in several different implementations (as GEOS-Chem "Classic", as GCHP, etc.)

Version 12.9.3 and prior

GEOS-Chem 12.9.3 was the last version in which this "Science Codebase" repository was used in a standalone manner. For this reason, the latest release is frozen at 12.9.3.

Version 13.0.0 and later

GEOS-Chem 13.0.0 and later versions use this "Science Codebase" repository as a submodule within the GCClassic and GCHP repositories.

Releases for GEOS-Chem 13.0.0 and later versions will be issued at the GCClassic and GCHP Github repositories.

User Manuals

Each implementation of GEOS-Chem has its own manual page. For more information, please see:

About GEOS-Chem

GEOS-Chem is a global 3-D model of atmospheric chemistry driven by meteorological input 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. Scientific direction of the model is provided by the international GEOS-Chem Steering Committee and by User Working Groups. The model is managed by the GEOS-Chem Support Team, based at Harvard University and Washington University with support from the US NASA Earth Science Division, the Canadian National and Engineering Research Council, and the Nanjing University of Information Sciences and Technology.

GEOS-Chem is a grass-roots open-access model owned by its users, and ownership implies some responsibilities as listed in our welcome page for new users. If you are interested in using GEOS-Chem, please contact the GEOS-Chem Support Team who will send you instructions for joining the user community and accessing the code.

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GEOS-Chem "Science Codebase" repository. Contains GEOS-Chem science routines, run directory generation scripts, and interface code. This repository is used as a submodule within the GCClassic and GCHP wrappers, as well as in other modeling contexts (external ESMs).

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