GEOS-Chem 14.6.2
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This page includes information about GEOS-Chem 14.6.2. This version is a Z-release which means it causes no differences in the full-chemistry benchmark simulation using MERRA2.
Version overview
- This is the current stable release of GEOS-Chem
- Release date: 12 Jun 2025
NOTE: We have released GEOS-Chem 14.6.2 earlier than anticipated in order to fix an issue with unit conversions for nested-grid boundary conditions (see geos-chem PR #2892) We plan to change the status of GEOS-IT from "beta" to "ready-to-use" in GEOS-Chem 14.6.3.
| Model | GitHub Release Page | DOI |
|---|---|---|
| GEOS-Chem Classic 14.6.2 | https://github.com/geos-chem/GCClassic/releases/tag/14.6.2 | 10.5281/zenodo.15651655 |
| GCHP 14.6.2 | https://github.com/geos-chem/GCHP/releases/tag/14.6.2 | 10.5281/zenodo.15651683 |
Submodule updates this version
The following submodules were updated to new versions in this release.
| Submodule version | GitHub release page | DOI |
|---|---|---|
| GEOS-Chem 14.6.2 | https://github.com/geos-chem/geos-chem/releases/tag/14.6.2 | 10.5281/zenodo.15650073 |
What's new in this version
Updates that will not affect fullchem benchmark simulations
| Feature | Contributor(s) | Model scope | Notes and references |
|---|---|---|---|
| Fix comparison of obspack and GEOS-Chem altitude | James East (Harvard) | Diagnostics | |
| Add MCHgMAP emissions (Dastoor et al. 2025) | Eric Roy (MIT) | Hg simulation | |
| Restore unit conversion for boundary conditions from mol/mol to kg/kg dry air | Melissa Sulprizio (Harvard) | Nested-grid simulations |
|
| Add environment file and updated run script for NCAR Derecho cluster | Samuel Akinjole (Drexel) | Run directory |