GEOS-Chem 13.4.0
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This page includes information about GEOS-Chem 13.4.0 (currently under development)
Version overview
The following items have been added to GEOS-Chem 13.4.0 since the last GEOS-Chem version GEOS-Chem 13.3.4. Also see the following Github pages:
| Feature | Contributor(s) | Model scope | Notes and references |
|---|---|---|---|
| Updates that will affect full-chemistry benchmark simulations | |||
| Fix bug in Henry law CALC_HEFF routine in hetchem computations | Viral Shah (Harvard) | Chemistry | |
| Bug fix: Remove double-counting of HCl uptake on acidic sea salt | Viral Shah (Harvard) | Chemistry | |
| Update surface resistance for ozone deposition to ice/snow | Ryan Pound (York) Shuting Zhai (UW) |
Drydep | |
| Use updated definition of PM2.5; Add PM10 diagnostic | Bob Yantosca (GCST) | Diagnostics & Benchmarking |
|
| HEMCO bug fix: restore archiving via manual diagnostics (which had been inadvertently disabled in a prior update) | Melissa Sulprizio (GCST) Bob Yantosca (GCST) |
Emissions |
|
| Use degassing-only volcano emissions in GEOS-Chem benchmark simulations | Christoph Keller (GMAO) Daniel Jacob (Harvard) |
Emissions & Benchmarking |
|
| Add option for driving GEOS-Chem with native GEOS meteorological files | Liam Bindle (GCST) | Structural | |
| Updates that will NOT affect full-chemistry benchmark simulations | |||
| Bug fix: Use REAL*8 precision in for CH3O2 + OH reaction definition in fullchem.eqn | Bob Yantosca (GCST) | Chemistry |
|
| Updated Rn-222 emissions for TransportTracers simulations | Bo Zhang (NIA) | Emissions |
|
| Retire HEMCO extension for CH4 wetland emissions | Melissa Sulprizio (GCST) | Emissions |
|
| Updates to enable automated run directory creation | Liam Bindle (GCST) Melissa Sulprizio (GCST) |
Run directory |
|
| Updates that will only affect GCHP | |||
| Define a GCHP "Default" collection that will archive a small number of commonly-requested diagnostic fields | Liam Bindle (GCST) | Diagnostics | |
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 | Type | What was added? | Directory |
|---|---|---|---|
| ZHANG_Rn222 | Optional | Updated Rn222 emissions for TransportTracers simulations (cf Bo Zhang et al (2021)) | HEMCO/ZHANG_Rn222/v2021-11 |