GEOS-Chem model development priorities
Jump to navigation
Jump to search
GEOS-Chem Main Page | GCHP Main Page
On this page we list the current priorities for GEOS-Chem development. This list is continuously updated based on code readiness and input from the Working Groups and the Steering Committee.
GEOS-Chem versions in development
13.0.0
See the GEOS-Chem 13.0.0 page for more details.
Priorities assigned to upcoming GEOS-Chem versions
13.1.0
This version will require a 1-month full-chemistry benchmark.
Feature | Submitted by | Type | Notes |
---|---|---|---|
Distribute emissions vertically in the boundary layer | Barron Henderson (EPA) GCST |
Structural & Science |
|
Diurnal scale factors of power plants emissions in China | Hongjian Weng (PKU) Jintai Lin (PKU) |
Science | |
Restore J-values for the planeflight diagnostic | Tomas Sherwen (York) | Structural | |
Initial modifications for HEMCO internal grid | Haipeng Lin (Harvard) | Structural | |
Initial modifications for GCHP adjoint - CO2 simulation | Colin Lee (CUBoulder) | Structural | |
Update GMAO submodules in GCHP | GCST | Structural | |
Updates to speed up the chemical solver | GCST | Structural |
13.2.0
This version will require a 1-month and 1-year full-chemistry benchmarks, with and without Luo wet deposition.
Feature | Submitted by | Type | Notes |
---|---|---|---|
Update US emissions to NEI2016 | Barron Henderson (EPA) Lyssa Freese (MIT) |
Science |
|
Canopy Physics Model | Sam Silva (MIT) | Structural | |
Improved wet scavenging from Luo et al. (2020) (as option) | Gan Luo (Albany) Fangqun Yu (Albany) |
Science |
|
Provide climatologies for lightning NOx, volcano, and open fire emissions | GCST | Science | |
Trace metal simulation | Junwei Xu (Dalhousie) | Science |
|
13.3.0
This version will require a 1-month and 1-year full-chemistry benchmarks, with and without the adaptive chemical solver.
Feature | Submitted by | Type | Notes |
---|---|---|---|
C2H4 and C2H2 chemistry | Kelvin Bates (Harvard) Ke Li (Harvard) |
Science | |
HMS chemistry | Jonathan Moch (Harvard) | Science |
|
Blowing snow emissions of sea salt and sea salt bromide | Lyatt Jaegle (UW) | Science |
|
Updated aerosol dry deposition | Jeff Pierce (CSU) | Science | |
Updated Yuan/BNU MODIS LAI product (2000-2019) | Jenny Fisher (U. Wollongong) | Science |
|
Updated Rn-222 emissions | Bo Zhang | Science |
|
Adaptive chemical solver (as option) | Lu Shen (Harvard) | Science |
Priorities not yet assigned to a particular version
The following items have been identified as priorities for GEOS-Chem, but have not yet been assigned to a particular GEOS-Chem version.
Ready to go in
Feature | Submitted by | Type | Notes
|
---|---|---|---|
Implement H2 chemistry in UCX | Chris Holmes (FSU) | Science | |
Stratospheric HCN chemistry | Armin Kleinbohl (JPL) Debra Weisenstein (Harvard, retired) |
Science |
|
MEGAN3 | Sam Silva (MIT) | Science |
|
GC-YIBs biosphere-atmospheric chemistry coupled model | Xu Yue (NUIST) | Science | |
Extend UCX into the mesosphere | Sebastian Eastham (MIT) Eric Fleming (NASA GMAO) |
Science |
|
Archived CMIP6 Met Products for GEOS-Chem Input | Lee Murray (Rochester) | Science |
|
Almost there (< 6 months)
Item | Author(s) | Type | Notes |
---|---|---|---|
Fix stratospheric flooding | Sebastian Eastham (MIT) | Science/Bug fix | |
Diagnostic to archive XCO2, XCO, and XCH4 | Dylan Jones (Toronto) | Science | |
Provide archived TCR-2 GEOS-Chem OH fields for carbon simulations | Kazu Miyazaki (JPL) | Science | |
Aromatic VOC chemistry | Kelvin Bates (Harvard) Ke Li (Harvard) |
Science | |
BrC aging | Xuan Wang (Harvard) Melanie Hammer(Dalhousie) |
Science | |
One-Way Coupling w/ GISS ModelE3 | Lee Murray (Rochester) | Structural |
|
Shared Socioeconomic Pathways Emission Inventories | Hong Liao (NUIST) | Science | |
Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange | Amos Tai (CUHK) | Science |
|
Rediagnosis of RAS convection in GEOS-Chem | Tailong He (Toronto) Dylan Jones (Toronto) Andrea Molod (NASA/GMAO) |
Science |
|
Read-in of native GEOS output in GCHP | WUStL GCST | Science | |
Adoption of the Spack package manager for dependency management | Harvard GCST | Structural | |
Modularization of GEOS-Chem: FAST-JX as proof-of-concept | NASA GMAO | Structural |
Over the horizon (6-12 months)
Item | Author(s) | Type | Notes |
---|---|---|---|
Update OCS simulation in the standard code | Kevin Bowman (JPL) | Science | |
Methylethylketone chemistry | Jared Brewer (CSU) | Science | |
Add sulfate dependence to SOA yield from isoprene in simple SOA | Eloise Marais (Leicester) | Science | |
Updated Hg chemistry:
|
Viral Shah (Harvard) Colin Thackray (Harvard) |
Science | |
GTMM updates | Ben Geyman (Harvard) | Science | |
Landcover/Fire Emissions Offline LPJlmfire | Loretta Mickley (Harvard) | Science | |
Aerosol dry deposition updates | Jeff Pierce (CSU) | Science | |
Integrating GMAO's tracer gridded component in GCHP | Christoph Keller (NASA GMAO) | Structural | |
Mass flux-based transport in GCHP | Sebastian Eastham (MIT) | Science | |
Streamlining of specialty simulations through HEMCO and KPP | GCST | Science |
Longer term (12-24 months)
Item | Author(s) | Type | Notes |
---|---|---|---|
GCHP Adjoint | Daven Henze (CU Boulder) | Science | |
Implement isotope simulation for CO and CH4 in GCHP | Lee Murray (Rochester) | Science | |
Migrate LETFK DA scheme to GCHP | Kazu Miyazaki (JPL) | Science | |
Super fast chemistry scheme | Benjamin Brown-Steiner (AER) Makoto Kelp (Harvard) |
Science |
|
Add non-volatile cations to ISORROPIA | Becky Alexander (UW) | Science | |
DMS oxidation scheme updating | Becky Alexander (UW) Qianjie Chen (UW) |
Science |
|
Heterogeneous sulfate production | Lin Zhang (PKU) Becky Alexander (UW) Yuxuan Wang (U. Houston) |
Science |
|
Hg in WRF-GC | Yanxu Zhang (Nanjing) | Science | |
Hg with blowing snow | Yanxu Xhang (Nanjing) | Science | |
Hg isotopes | Xiaotian Xu, Yanxu Xhang (Nanjing) | Science | |
Hg in CESM CAM-CHEM | Peng Zhang, Yanxu Xhang (Nanjing) | Science | |
Complex / multicomplex variables | Shannon Capps (Drexel) | Structural |