GEOS-Chem 14.4.0: Difference between revisions
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*[https://github.com/geoschem/geos-chem/pull/1992 geos-chem PR #2261] | *[https://github.com/geoschem/geos-chem/pull/1992 geos-chem PR #2261] | ||
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Revision as of 15:03, 25 April 2024
This page includes information about GEOS-Chem 14.4.0.
Version overview
This version is currently in development
| Repository | GitHub Milestone | DOI |
|---|---|---|
| GCClassic 14.4.0 | 14.4.0 milestone for geoschem/GCClassic | TBD |
| GCHP 14.4.0 | 14.4.0 milestone for geoschem/GCHP | TBD |
| GEOS-Chem (science codebase) 14.4.0 | 14.4.0 milestone for geoschem/geos-chem | TBD |
| HEMCO 3.9.0 | 3.9.0 milestone for geoschem/HEMCO | TBD |
What's new in this version
Updates that will affect full-chemistry benchmark simulations
| Feature | Contributor(s) | Model scope | Notes and references |
|---|---|---|---|
| UCX bug fixes : (1) Use proper 4th index for WERADIUS array; (2) Get density of black carbon from the species database | Bob Yantosca (Harvard) | Aerosols | |
| Use GCARR_ac rate-law function for full-chemistry reactions where the Arrhenius B parameter is zero | Bob Yantosca (Harvard) | Chemistry | |
| Fix uptake coefficients on stratospheric aerosol | Chris Holmes (FSU) | Chemistry | |
| Updated gravitational settling, dry mass-weighted mean diameters and hygroscopic growth in aerosol dry deposition | Yanshun Li (WashU) | Dry Deposition | |
| Add diel and day-of-week scale factors to global base emissions | Dandan Zhang (WashU) | Emissions | |
| Updated 0.1x0.1 timezone file accounting for daylight savings | Karn Vohra (UCL) | Emissions | |
| Update volcano emissions through 2023 | Melissa Sulprizio (Harvard) | Emissions | |
| Update surface methane boundary condition using NOAA flask data | Lee Murray (Rochester) | Input data | |
| Fix PBL level calculations | Chris Holmes (FSU) | PBL height | |
| Only convert units for species that require it | Bob Yantosca | Unit Conversion |
Updates that will NOT affect full-chemistry benchmark simulations
| Feature | Contributor(s) | Model scope | Notes and references |
|---|---|---|---|
| Remove hardcoded year range for met fields, restart, and BC files in HEMCO_Config.rc | Melissa Sulprizio (Harvard) | Bug fix | |
| GCHP carbon simulation (and fixes for single-species carbon simulations) | Melissa Sulprizio (Harvard) Bob Yantosca (Harvard) |
Carbon simulation | |
| Add missing gas postmeter CH4 emissions for the GHGI express extension inventory | Melissa Sulprizio (Harvard) Bob Yantosca (Harvard) |
Carbon simulation CH4 simulation |
|
| Bug fix for stretched grid restart attribute check | Lizzie Lundgren (Harvard) | GCHP | |
| Replace stalebot with "stale" GitHub action | Bob Yantosca (Harvard) | GitHub | |
| Allow up to 10 nested brackets in the HEMCO_Config.rc file | Bob Yantosca (Harvard) | HEMCO | |
| Rename tags in geoschem_config.yml for nitrate aerosol photolysis as per GCSC suggestion | Bob Yantosca (Harvard) | Run directory | |
| Remove remaining binary punch diagnostic code | Bob Yantosca (Harvard) | Structural |
New data directories
The following data directories have been added or updated in this version. You will have to download the directories relevant to your simulation.
| Inventory | Simulations | What was added? | Directory |
|---|---|---|---|
| NOAA GMD CH4 surface boundary conditions | Fullchem | ExtData/HEMCO/NOAA_GMD/v2023-10 |
1-month full-chemistry benchmarks
TBD