GEOS-Chem 14.2.1
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This page includes information about GEOS-Chem 14.2.1 and HEMCO 3.7.1. The GEOS-Chem model development priorities page lists additional developments that may be added.
Version overview
Release date: 10 Oct 2023
| Repository | GitHub Milestone | DOI |
|---|---|---|
| GCClassic 14.2.1 | 14.2.1 milestone for geoschem/GCClassic | 10.5281/zenodo.8427641 |
| GCHP 14.2.1 | 14.2.1 milestone for geoschem/GCHP | 10.5281/zenodo.8427735 |
| GEOS-Chem (science codebase) 14.2.1 | 14.2.1 milestone for geoschem/geos-chem | 10.5281/zenodo.8427562 |
| HEMCO 3.7.1 | 3.7.1 milestone for geoschem/HEMCO | 10.5281/zenodo.8427520 |
Features in this version
| Feature | Contributor(s) | Model scope | Notes and references |
|---|---|---|---|
| Updates that will not affect full-chemistry benchmark simulations | |||
| Prevent double-counting oil emissions in CH4 and carbon simulations | Nick Balasus (Harvard) | carbon sim CH4 sim tagCH4 sim |
|
| Add fixes to reduce differences between the CH4 simulation and CH4 in carbon simulation | Melissa Sulprizio (Harvard) | carbon sim CH4 sim tagCH4 sim |
|
| Update GEPA CH4 emissions to gridded GHGI v2 | Melissa Sulprizio (Harvard) | carbon sim CH4 sim tagCH4 sim |
|
| Add variable to geoschem_config.yml to perturb CH4 boundary conditions | Nicholas Balasus (Harvard) | carbon sim CH4 sim tagCH4 sim |
|
| Add option to perturb OH in CH4 simulations | Melissa Sulprizio (Harvard) | carbon sim CH4 sim tagCH4 sim |
|
| Bug fix for analytical CH4 inversions | Melissa Sulprizio (Harvard) | IMI | |
| Set RUNDIR_GRID_HALF_POLAR when creating rundirs for 0.25x0.3125 and 0.5x0.2625 global domains | Melissa Sulprizio (Harvard) | Run directory | |
| Explicitly define tagCH4 simulations instead of making assumption based on number of species | Melissa Sulprizio (Harvard) | tagCH4 sim | |
| Fixes for the SatDiagn diagnostic | Bob Yantosca (Harvard) | Diagnostics | |
| Fix incorrect comments in GeosUtil/unitconv_mod.F90 | Haipeng Lin (Harvard) | Documentation | |
| Update minimum KPP version required for the fullchem mechanism from 2.5.0 to 3.0.0 | Bob Yantosca (Harvard) | Fullchem sim | |
| Fix issues that prevented compiling GEOS-Chem with the custom mechanism | Bob Yantosca (Harvard) | Fullchem sim | |
| Fix GEOS-Chem Classic parallelization errors revealed by parallelization tests | Bob Yantosca (Harvard) | Hg sim Luo Wetdep |
|
| Fix incorrect time slice read as boundary conditions in GC-Classic nested model | Haipeng Lin (Harvard) | Nested grid | |
| Impose boundary conditions at every timestep in GC-Classic nested grid simulations | Haipeng Lin (Harvard) | Nested grid | |
| Don't allow user to create MERRA-2 0.25 x 0.3125 run directories for GCClassic | Bob Yantosca (Harvard) | Run directory | |
| Add sanity check for missing molecular weights; Add missing MW for HgBrO | Bob Yantosca (Harvard) | Species metadata | |
| Updates to integration test scripts (directory reorganization; updates for the WashU Compute1 cluster) | Bob Yantosca (Harvard) | Testing | |
| Updates included in HEMCO 3.7.1 (will not affect full-chemistry benchmarks) | |||
| Update Hg0 Emission Factors in hcox_gfed_include_gfed4.H | Eric Roy (MIT) | HEMCO Hg sim |
|
| Remove extraneous code from hco_extlist_mod.F90 | Bob Yantosca (Harvard) | HEMCO | |
| Fix incorrect longitude definitions for HEMCO standalone 0.25x03125 and 0.5x0625 grids | Nick Balasus (Harvard) | HEMCO standalone | |
Ensure that HEMCO vertical regridding is mass-conserving (plus related modifications in GEOS-Chem)
|
Nicholas Balasus (Harvard) Haipeng Lin (Harvard) Todd Mooring (Harvard) |
Simulations w/ reduced grids | |
| Updates that only affect GCHP | |||
Make ESMF logging a run-time option in new configure file ESMF.rc
|
Lizzie Lundgren (Harvard) | GCHP Run directory |
|
| Use standard format for AEIC 2019 monthly climatology in ExtData.rc | Lizzie Lundgren (Harvard) | GCHP Run directory |
|
| Bugfix to initialize advected species to background values if not in restart file | Lizzie Lundgren (Harvard) | GCHP | |
| Add warnings about area-dependency to GCHP HISTORY.rc files | Lizzie Lundgren (Harvard) | GCHP Diagnostics |
|
| Fix ocean mask file in transport tracer sim if using FP native | Lizzie Lundgren (Harvard) | Run directory | |
| Updates that only affect GEOS-Chem in the NASA GEOS ESM | |||
Updates for GEOS-Chem in the NASA GEOS ESM
|
Lizzie Lundgren (Harvard) Christoph Keller (GMAO) |
GEOS | |
| Updates to meet CESM coding guidelines (to facilitate interfacing GEOS-Chem and HEMCO into CESM) | |||
| Update netCDF code (in src/Shared/NcdfUtil) to use the netCDF-F90 interface | Bob Yantosca (Harvard) | CESM HEMCO netCDF I/O |
|
| Limit GC_72_EDGE_SIGMA variable definition to less than 135 columns | Bob Yantosca (Harvard) | CESM HEMCO netCDF I/O |
|
| Convert GEOS-Chem netCDF utility routines to use the netCDF-F90 interface | Bob Yantosca (Harvard) | CESM netCDF I/O |
|
| Update calls to MPI functions when using GEOS-Chem in CESM | Lizzie Lundgren (Harvard) | CESM | |