Difference between revisions of "GEOS-Chem 13.4.0"
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*'''Chemistry''' | *'''Chemistry''' | ||
*Other (please specify): | *Other (please specify): | ||
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+ | **'''CH4 simulation''' | ||
+ | **'''TransportTracers simulation''' | ||
+ | **'''Run directory creation''' | ||
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Revision as of 19:49, 24 January 2022
This page includes information about GEOS-Chem 13.4.0 (currently under development)
Contents
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:
- 13.4.0 milestone for geoschem/geos-chem
- 13.4.0 milestone for geoschem/GCHP
- 3.4.0 milestone for geoschem/HEMCO
Feature | Contributor(s) | Model scope | Notes and references |
---|---|---|---|
Updates that will affect full-chemistry benchmark simulations | |||
Migrating sulfate chemistry into KPP | Mike Long (GCST) Viral Shah (Harvard) Bob Yantosca (GCST) |
Chemistry & Structural |
|
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 |
|
Fix scale factors applied to VOC aircraft emissions in AEIC inventory | Flavio Quadros (TU Delft) Seb Eastham (GCST) |
Emissions & Bug Fix |
|
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 | |||
Updated Hg chemistry in KPP | Viral Shah (Harvard) Colin Thackray (Harvard) Mike Long (GCST) Bob Yantosca (GCST) |
Chemistry |
|
Bug fix: Use REAL*8 precision in for CH3O2 + OH reaction definition in fullchem.eqn | Bob Yantosca (GCST) | Chemistry |
|
Updated Global Inventory of Methane Emissions from Oil/Gas/Coal (GFEI v2) | Tia Scarpelli (U. Edinburgh) | Emissions |
|
Anthropogenic Methane Emission Inventory for Canada | Tia Scarpelli (U. Edinburgh) | Emissions |
|
Use EDGARv6 global anthro emissions for CH4 simulation | Melissa Sulprizio (GCST) | Emissions | |
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 |
|
Bug fix: Allow GEOS-Chem Classic History to archive irregular intervals (e.g. a month and a day) | Bob Yantosca (GCST) | Diagnostics |
|
Updates that will only affect GCHP | |||
Add capability to use mass fluxes in advection | Sebastian Eastham (MIT) Liam Bindle (GCST) |
Advection |
|
Define a GCHP "Default" collection that will archive a small number of commonly-requested diagnostic fields | Liam Bindle (GCST) | Diagnostics | |
Add capability to read native meteorological data files | Liam Bindle (GCST) Bob Yantosca (GCST) |
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 | Needed for | What was added? | Directory |
---|---|---|---|
ZHANG_Rn222 | TransportTracers simulations only | Updated Rn222 emissions for TransportTracers simulations. See Bo Zhang et al (2021) | HEMCO/ZHANG_Rn222/v2021-11 |
Updated Hg simulation restart file | Hg simulations only | Sample restart file for the updated Hg mechanism. See Viral Shah et al (2021) | ExtData/GEOSCHEM_RESTARTS/v2021-12 |
Updated TOMAS simulation restart files | TOMAS simulations only | Added species not present in earlier simulations | ExtData/GEOSCHEM_RESTARTS/v2021-12 |
1-month benchmarks
1-month fullchem: Model setup
The following table describes the GEOS-Chem setup for both GEOS-Chem Classic and GCHP 1-month benchmark simulations.
Git tag(s): |
|
Compared to previous benchmark: | 13.3.0 |
Software environment: | gcc 10.2.0 OpenMPI 4.1.0 netcdf-fortran 4.5.3 CMake 3.17.3 ESMF 8.0.1 |
Model resolution: |
|
Meteorology fields: | MERRA-2
|
Initial conditions: | July 1, 2019
|
Benchmark month: | July 2019 |
Emissions setup: | TBD |
Chemistry mechanism: | TBD |
This version will impact: (select all that apply with boldface) |
|
Benchmark Plots and Tables
NOTES:
- Enable PDF bookmarks in the file links to navigate between species. If you do not see bookmarks in your browser try using a different browser (not Safari) or installing an Adobe Acrobat plug-in.
- See the species database for species definitions and details.
- Species categories and lumped species are defined in YAML files within the GEOS-Chem post-processing software GCPy.
1-month fullchem: GEOS-Chem Classic 13.4.0-rc.0 vs 13.3.0
TBD