Difference between revisions of "GEOS-Chem model development priorities"
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*See [https://github.com/geoschem/geos-chem/pull/816 geoschem/geos-chem PR #816] | *See [https://github.com/geoschem/geos-chem/pull/816 geoschem/geos-chem PR #816] | ||
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+ | |Add capability to read mass fluxes for use in advection | ||
+ | |Sebastian Eastham (MIT) | ||
+ | |Transport | ||
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+ | *Identified as a priority for GC 13, but not yet delivered | ||
+ | *GCHP only | ||
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*See [https://github.com/geoschem/MAPL/pull/12 geoschem/MAPL PR #12] | *See [https://github.com/geoschem/MAPL/pull/12 geoschem/MAPL PR #12] | ||
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|Change GCHP advection inputs to use total pressure and mixing ratio rather than dry | |Change GCHP advection inputs to use total pressure and mixing ratio rather than dry | ||
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|Transport | |Transport |
Revision as of 22:21, 15 September 2021
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. For history of past releases see the GEOS-Chem Versions wiki page.
Contents
Release schedule
Please see the GEOS-Chem Release Proposal outlining the procedure and schedule for releasing GEOS-Chem versions.
Merged and awaiting release
See the links below for items merged and awaiting release.
Patch version in development | Minor version in development |
---|---|
TBD | GEOS-Chem 13.3.0 |
Feature integration in progress
Features listed in this table are actively being integrated into GEOS-Chem by the GEOS-Chem Support Team.
Feature | Contributor(s) | Model scope | Ease of implementation | Notes |
---|---|---|---|---|
Update US emissions to NEI2016 (as option) | Barron Henderson (EPA) Lyssa Freese (MIT) |
Emissions | Easy |
|
Updates to enable automated run directory creation | Liam Bindle (GCST) Melissa Sulprizio (GCST) |
Run directory | Medium | |
Upgrade Fast-J to Cloud-J | Lizzie Lundgren (GCST) | Structural | Difficult | |
Migrating sulfate chemistry into KPP | Mike Long (GCST) | Chemistry & Structural |
Difficult |
|
HMS chemistry | Jonathan Moch (Harvard) Mike Long (GCST) |
Chemistry | Easy | |
C2H4 and C2H2 chemistry | Kelvin Bates (Harvard) Ke Li (Harvard) Mike Long (GCST) |
Chemistry | Easy |
|
CH3O2 + OH reaction | Kelvin Bates (Harvard) | Chemistry | Easy |
|
Cleaning up heterogeneous chemistry reaction rate computations | Bob Yantosca (GCST) | Chemistry & Structural |
Difficult | |
Updated Hg chemistry in KPP | Viral Shah (Harvard) Colin Thackray (Harvard) Mike Long (Harvard) |
Chemistry | Medium | |
Aromatic VOC chemistry | Kelvin Bates (Harvard) Ke Li (Harvard) Mike Long (Harvard) |
Chemistry | Medium | |
Updated offline dust emissions from Meng et al. (2021) | Jun Meng (WUStL) Yanshun Li (WUStL) |
Emissions | Easy | |
Add capability to read mass fluxes for use in advection | Sebastian Eastham (MIT) | Transport |
| |
GEOS updates | Christoph Keller (GMAO) Lizzie Lundgren (GCST) |
GEOS | Medium (ongoing) | |
CESM-GC updates | Thibaud Fritz (MIT) Lizzie Lundgren (GCST) |
CESM | Medium (ongoing) | |
GMAO library version updates | Tom Clune (GMAO) Ben Auer (GMAO) Atanas Trayanov GCST |
GCHP | Medium (ongoing) | |
GCHP Adjoint updates | Colin Lee (Wash U.) | GCHP Adjoint | Medium (ongoing) |
Feature integration in the queue
Features listed in this table have been delivered to the GEOS-Chem Support Team and are prioritized to be integrated into GEOS-Chem in the near future.
Feature | Contributor(s) | Model scope | Ease of implementation | Notes |
---|---|---|---|---|
Updated Rn-222 emissions | Bo Zhang | Emissions | Easy |
|
Climatologies for lightning NOx | Lee Murray (Rochester) | Emissions | Easy | |
Updated aerosol dry deposition | Jeff Pierce (CSU) | Dry deposition | Easy | |
Updates to IONO2 hydrolysis from Wang et al. (2021) | Tomas Sherwen (York) | Chemistry | Medium |
|
Joint CO2-CO-CH4-OCS simulation | Beata Bukosa (NIWA) Kevin Bowman (JPL) |
Specialty simulation | Medium |
|
Adaptive chemical solver (as option) | Lu Shen (Harvard) | Chemistry | Difficult |
|
Feature integration not yet prioritized
Features listed in this table have been delivered to the GEOS-Chem Support Team but are not yet prioritized for integrating into the model.
Feature | Contributor(s) | Model scope | Ease of implementation | Notes |
---|---|---|---|---|
Stratospheric HCN chemistry | Armin Kleinbohl (JPL) Debra Weisenstein (Harvard, retired) |
Chemistry | Medium |
|
MEGAN3 | Sam Silva (MIT) | Emissions | Medium |
|
GC-YIBs biosphere-atmospheric chemistry coupled model | Xu Yue (NUIST) | Science | Easy | |
Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange | Joey Lam(CUHK) Amos Tai (CUHK) |
Science | Easy |
|
Extend UCX into the mesosphere | Sebastian Eastham (MIT) Eric Fleming (NASA GMAO) |
Chemistry | Easy | |
Archived CMIP6 Met Products for GEOS-Chem Input | Lee Murray (Rochester) | Input data | Easy |
|
Landcover/Fire Emissions Offline LPJlmfire | Loretta Mickley (Harvard) Yang Li (Harvard) |
Emissions | Easy |
|
Canopy Physics Model | Sam Silva (MIT) | Science | Medium |
|
Almost there (< 6 months)
Features listed in this table are in development and will likely be delivered to the GEOS-Chem Support Team within the next 6 months.
Feature | Contributor(s) | Model scope | Notes
|
---|---|---|---|
Implement H2 chemistry in UCX | Chris Holmes (FSU) | Chemistry |
|
New soil NOx parameterization | Yi Wang (U. Iowa) Jun Wang (U. Iowa) |
Emissions | |
Updated offline biogenic emissions | Hongjian Weng (PKU) | Emissions |
|
Updated offline sea salt emissions | Hongjian Weng (PKU) | Emissions |
|
Updated offline soil NOx emissions | Hongjian Weng (PKU) | Emissions |
|
Provide recommended rather than hard-coded scaling factors for online emissions | GCST | Emissions |
|
Provide climatologies for volcano emissions | GCST | Emissions |
|
Provide climatologies for open fire emissions | GCST | Emissions |
|
Diagnostic to archive XCO2, XCO, and XCH4 | Dylan Jones (Toronto) | Diagnostic | |
Provide archived TCR-2 GEOS-Chem OH fields for carbon simulations | Kazu Miyazaki (JPL) | Input data | |
BrC aging | Xuan Wang (Harvard) Melanie Hammer(Dalhousie) |
Chemistry | |
Shared Socioeconomic Pathways Emission Inventories | Hong Liao (NUIST) | Emissions | |
Rediagnosis of RAS convection in GEOS-Chem | Tailong He (Toronto) Dylan Jones (Toronto) Andrea Molod (NASA/GMAO) |
Convection |
|
Read-in of native GEOS output | WUStL GCST | Input data |
|
Change GCHP advection inputs to use total pressure and mixing ratio rather than dry | Sebastian Eastham (MIT) | Transport |
|
HTAPv3 emissions (0.1 deg, 2002-2018) | Emissions & Deposition WG | Emissions | |
Migrating simple SOA formation from carbon_mod.F90 into the KPP "full-chemistry" mechanism | GCST | Chemistry |
Over the horizon (6-12 months)
Features listed in this table are in development and will likely be delivered to the GEOS-Chem Support Team in the 6-12 months timeframe.
Feature | Contributor(s) | Model scope | Notes |
---|---|---|---|
Methylethylketone chemistry | Jared Brewer (CSU) | Chemistry | |
Add sulfate dependence to SOA yield from isoprene in simple SOA | Eloise Marais (Leicester) | Chemistry | |
GTMM updates | Ben Geyman (Harvard) | Hg simulation |
|
Integrating GMAO's tracer gridded component in GCHP | Christoph Keller (NASA GMAO) | Transport Tracer simulation | |
Streamlining of specialty simulations through HEMCO and KPP | GCST | Chemistry, Specialty simulations |
Longer term (12-24 months)
Features listed in this table are in development and will likely be delivered to the GEOS-Chem Support Team in the 12-24 months timeframe.
Feature | Contributor(s) | Model scope | Notes |
---|---|---|---|
Implement isotope simulation for CO and CH4 in GCHP | Lee Murray (Rochester) | Specialty simulation | |
Migrate LETFK DA scheme to GCHP | Kazu Miyazaki (JPL) | Structural | |
Super fast chemistry scheme | Benjamin Brown-Steiner (AER) Makoto Kelp (Harvard) |
Chemistry |
|
Add non-volatile cations to ISORROPIA | Becky Alexander (UW) | Aerosols | |
DMS oxidation scheme updating | Becky Alexander (UW) Qianjie Chen (UW) |
Chemistry |
|
Heterogeneous sulfate production | Lin Zhang (PKU) Becky Alexander (UW) Yuxuan Wang (U. Houston) |
Chemistry |
|
Hg in WRF-GC | Yanxu Zhang (Nanjing) | Hg simulation | |
Hg with blowing snow | Yanxu Xhang (Nanjing) | Emissions, Hg simulation | |
Hg isotopes | Xiaotian Xu, Yanxu Xhang (Nanjing) | Hg simulation | |
Hg in CESM CAM-CHEM | Peng Zhang, Yanxu Xhang (Nanjing) | Hg simulation | |
Complex / multicomplex variables | Shannon Capps (Drexel) | Structural |