Difference between revisions of "GEOS-Chem model development priorities"

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|-bgcolor="#CCCCCC"
 
|-bgcolor="#CCCCCC"
 
!width="200px"|Patch version in development
 
!width="200px"|Patch version in development
!width="200px"|Minor version in development
+
!width="200px"|Major version in development
  
 
|-valign="top"
 
|-valign="top"
 
|align="center"| -
 
|align="center"| -
|align="center"|'''[[GEOS-Chem 13.4.0]]'''
+
|align="center"|'''[[GEOS-Chem 14.0.0]]'''
  
 
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!width="100px"|Model scope
 
!width="100px"|Model scope
 
!width="100px"|Ease of implementation
 
!width="100px"|Ease of implementation
!width="300px"|Notes
+
!width="300px"|Notes and References
  
 
|-valign="top"
 
|-valign="top"
|Use degassing-only volcano emissions for benchmark simulations
+
|[https://github.com/geoschem/geos-chem/pull/1198 Fixes to remove differences when restarting the model]
|Christoph Keller (GMAO)<br>Daniel Jacob (Harvard)
+
|Lizzie Lundgren (GCST)
|Emissions &<br>Benchmarking
+
|Bug fixes
|Easy
+
|Medium
 
|
 
|
*See [https://github.com/geoschem/geos-chem/pull/1005 geoschem/geos-chem #1005]
+
*Done for GCHP, slated for 14.0.0
*Currently slated for 13.4.0
+
*Problem of REAL4 restart file for GC-Classic will remain
  
 
|-valign="top"
 
|-valign="top"
|Upgrade Fast-JX to Cloud-J
+
|[https://acp.copernicus.org/articles/19/7055/2019/ Joint CO2-CO-CH4-OCS simulation]
|Lizzie Lundgren (GCST)
+
|Beata Bukosa (NIWA)<br>Kevin Bowman (JPL)<br>Mike Long (Harvard)
|Structural
+
|Specialty simulation
|Difficult
+
|Medium
 
|
 
|
*See [https://github.com/geoschem/cloud-j geoschem/cloud-j]
+
*[https://github.com/geoschem/geos-chem/issues/654 geoschem/geos-chem #654]
  
 
|-valign="top"
 
|-valign="top"
|Migrating sulfate chemistry into KPP
+
|[https://github.com/geoschem/geos-chem/issues/331 Provide climatologies for open fire emissions]
|Mike Long (GCST)
+
|Melissa Sulprizio (GCST)
|Chemistry &<br>Structural
+
|Emissions
|Difficult
+
|Easy
 
|
 
|
*Complete but needs validation & further testing
 
  
 
|-valign="top"
 
|-valign="top"
|[http://acmg.seas.harvard.edu/publications/2021/shah_est_2021.pdf Updated Hg chemistry in KPP]
+
|[https://github.com/geoschem/geos-chem/issues/655 Climatologies for lightning NOx]
|Viral Shah (Harvard)<br>Colin Thackray (Harvard)<br>Mike Long (Harvard)
+
|Lee Murray (Rochester)<br>Melissa Sulprizio (GCST)
|Chemistry
+
|Emissions
|Medium
+
|Easy
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Add capability to use mass fluxes in advection
+
|[[Grid-independent_emissions|Updated offline biogenic emissions]]
|Sebastian Eastham (MIT) <br> Liam Bindle (GCST)
+
|Hongjian Weng (PKU)
|Transport
+
|Emissions
 
|Easy
 
|Easy
 
|
 
|
*Identified as a priority for GC 13, but not yet delivered
+
*Delivered to GCST (Dec 2021)
*GCHP only
+
 
+
  
 
|-valign="top"
 
|-valign="top"
|[https://github.com/geoschem/geos-chem/issues/331 Provide climatologies for open fire emissions]
+
|[[Grid-independent_emissions|Updated offline soil NOx emissions]]
|Melissa Sulprizio (GCST)
+
|Hongjian Weng (PKU)
 
|Emissions
 
|Emissions
 
|Easy
 
|Easy
 
|
 
|
 +
*Delivered to GCST (Dec 2021)
  
 
|-valign="top"
 
|-valign="top"
|[https://github.com/geoschem/geos-chem/issues/655 Climatologies for lightning NOx], [https://github.com/geoschem/geos-chem/issues/331 biomass burning], and [https://github.com/geoschem/geos-chem/issues/656 volcanoes]
+
|[https://github.com/geoschem/geos-chem/discussions/1022 Add new species concentration diagnostic in units of molec/cm3]
|Lee Murray (Rochester)<br>Melissa Sulprizio (GCST)
+
|GCST
|Emissions
+
|Diagnostics
 
|Easy
 
|Easy
 
|
 
|
 +
*See [https://github.com/geoschem/geos-chem/issues/1022 geoschem/geos-chem #1022]
  
 
|-valign="top"
 
|-valign="top"
|[https://github.com/geoschem/geos-chem/pull/945 Add option for driving GEOS-Chem with native GEOS meteorological files]
+
|[https://github.com/geoschem/geos-chem/issues/770 Output satellite diagnostics as NetCDF]
|Liam Bindle (GCST)
+
|Eloise Marais (UCL)
 +
|Diagnostics
 +
|Easy
 +
|
 +
*See [https://github.com/geoschem/geos-chem/pull/1134 geoschem/geos-chem #1134]
 +
 
 +
|-valign="top"
 +
|Usability updates for GCHP run directory
 +
|Lizzie Lundgren (GCST)
 
|Structural
 
|Structural
 
|Easy
 
|Easy
 
|
 
|
 +
*Will impact how users configure GCHP runs
  
 
|-valign="top"
 
|-valign="top"
|[https://github.com/geoschem/geos-chem/pull/990 Change State_Chm%Species from 4D to vector of 3D arrays]
+
|Upgrade Fast-JX to Cloud-J
 
|Lizzie Lundgren (GCST)
 
|Lizzie Lundgren (GCST)
 
|Structural
 
|Structural
|Medium
+
|Difficult
 
|
 
|
 +
* [https://github.com/geoschem/cloud-j geoschem/cloud-j]
 +
*Ongoing
 +
 
|}
 
|}
  
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!width="100px"|Model scope
 
!width="100px"|Model scope
 
!width="100px"|Ease of implementation
 
!width="100px"|Ease of implementation
!width="300px"|Notes
+
!width="300px"|Notes and References
 +
 
 +
 
 +
|-valign="top"
 +
|[https://gmd.copernicus.org/articles/13/2475/2020/gmd-13-2475-2020.pdf Adaptive chemical solver] (as option)
 +
|Mike Long (Harvard) <br> Haipeng Lin (Harvard) <br> Bob Yantosca (GCST) <br> Lu Shen (PKU)
 +
|Chemistry
 +
|Difficult
 +
|
 +
*In testing, publication expected in mid-to-late 2022
 +
*Previous literature: [https://gmd.copernicus.org/articles/15/1677/2022/ Shen et al., 2022], [https://gmd.copernicus.org/articles/13/2475/2020/ Shen et al., 2020]
  
 
|-valign="top"
 
|-valign="top"
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|Medium
 
|Medium
 
|
 
|
*Implementation details may be found at https://zenodo.org/record/3614062#.XzvrH5NKjOR
+
*DOI: [https://zenodo.org/record/3614062#.XzvrH5NKjOR 10.5281/zenodo.3614062]
*Base code version is 12.3.0
+
*Sam Silva and GCST will work on updating this to a more recent GEOS-Chem version in the near future
  
 
|-valign="top"
 
|-valign="top"
 
|[https://gmd.copernicus.org/articles/13/2569/2020/ Canopy Physics Model]
 
|[https://gmd.copernicus.org/articles/13/2569/2020/ Canopy Physics Model]
 
|Sam Silva (MIT)
 
|Sam Silva (MIT)
|Science
+
|Emissions &<br>Science
 
|Medium
 
|Medium
 
|
 
|
*Code is available at https://zenodo.org/record/3614062
+
*DOI: [https://zenodo.org/record/3614062#.XzvrH5NKjOR 10.5281/zenodo.3614062]
*Base code version is 12.3.0
+
*Sam Silva and GCST will work on updating this to a more recent GEOS-Chem version in the near future
 
+
|-valign="top"
+
|[https://github.com/geoschem/geos-chem/issues/997 Update surface resistance for ozone deposition to ice/snow]
+
|Ryan Pound (York)<br>Shuting Zhai (UW)
+
|Drydep
+
|Easy
+
|
+
*See [https://github.com/geoschem/geos-chem/issues/997 geoschem/geos-chem PR #997]
+
 
+
|-valign="top"
+
|[https://acp.copernicus.org/articles/19/7055/2019/ Joint CO2-CO-CH4-OCS simulation]
+
|Beata Bukosa (NIWA)<br>Kevin Bowman (JPL)
+
|Specialty simulation
+
|Medium
+
|
+
*See [https://github.com/geoschem/geos-chem/issues/654 geoschem/geos-chem #654]
+
*Ideally implemented as a chemical mechanism in KPP
+
 
+
|-valign="top"
+
|[https://gmd.copernicus.org/articles/13/2475/2020/gmd-13-2475-2020.pdf Adaptive chemical solver] (as option)
+
|Mike Long (Harvard) <br> Haipeng Lin (Harvard)
+
|Chemistry
+
|Difficult
+
|
+
*In testing
+
 
+
|-valign="top"
+
|[https://github.com/geoschem/geos-chem/issues/770 Output satellite diagnostics as NetCDF]
+
|Eloise Marais (UCL)
+
|Diagnostics
+
|Easy
+
|
+
 
+
  
 
|}
 
|}
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!width="100px"|Model scope
 
!width="100px"|Model scope
 
!width="100px"|Ease of implementation
 
!width="100px"|Ease of implementation
!width="300px"|Notes
+
!width="300px"|Notes and References
 +
 
 +
|-valign="top"
 +
|[https://github.com/geoschem/geos-chem/issues/1094 Stratospheric adjustment with RRTMG in GEOS-Chem]
 +
|Seb Eastham (MIT)
 +
|Science
 +
|Medium
 +
|
 +
*[https://github.com/geoschem/geos-chem/issues/1094 geoschem/geos-chem #1094]
  
 
|-valign="top"
 
|-valign="top"
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|Easy
 
|Easy
 
|
 
|
*See [https://github.com/geoschem/geos-chem/issues/425 geoschem/geos-chem #425]
+
* [https://github.com/geoschem/geos-chem/issues/425 geoschem/geos-chem #425]
  
 
|-valign="top"
 
|-valign="top"
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|
 
|
 
*Delivered to GCST (Feb 2021)
 
*Delivered to GCST (Feb 2021)
*See [https://github.com/geoschem/geos-chem/pull/629 geoschem/geos-chem #629]
+
* [https://github.com/geoschem/geos-chem/pull/629 geoschem/geos-chem #629]
  
 
|-valign="top"
 
|-valign="top"
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|
 
|
 
*Data files delivered to GCST (July 2021)
 
*Data files delivered to GCST (July 2021)
 
|-valign="top"
 
|Anthropogenic Methane Emission Inventory for Canada
 
|Tia Scarpelli (U. Edinburgh)
 
|Emissions
 
|Easy
 
|
 
*Scarpelli, T.R., D.J. Jacob, M. Moran, F. Reuland, and D. Gordon, [https://projects.iq.harvard.edu/acmg/publications/gridded-inventory-canadas-anthropogenic-methane-emissions A gridded inventory of Canada's anthropogenic methane emissions], submitted to Environ. Res. Lett., 2021.
 
 
|-valign="top"
 
|Updated Global Inventory of Methane Emissions from Oil/Gas/Coal (GFEI v2)
 
|Tia Scarpelli (U. Edinburgh)
 
|Emissions
 
|Easy
 
|
 
*Scarpelli, T.R., D.J. Jacob, S. Grossman, X. Lu, Z. Qu, M.P. Sulprizio, Y. Zhang, F. Reuland, and D. Gordon, [https://acmg.seas.harvard.edu/files/acmg/files/scarpelli2021_gfei.pdf Updated Global Fuel Exploitation Inventory (GFEI) for methane emissions from the oil, gas, and coal sectors: evaluation with inversions of atmospheric methane observations], submitted to Atmos. Chem. Phys., 2021
 
  
 
|}
 
|}
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Features listed in this table are in development and will likely be delivered to the GEOS-Chem Support Team within the next 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.
  
{| border=1 cellspacing=0 cellpadding=5
+
{|border=1 cellspacing=0 cellpadding=5
 
|- bgcolor="#cccccc"
 
|- bgcolor="#cccccc"
 
!width="200px"|Feature
 
!width="200px"|Feature
 
!width="200px"|Contributor(s)
 
!width="200px"|Contributor(s)
 
!width="100px"|Model scope
 
!width="100px"|Model scope
!width="420px"|Notes
+
!width="420px"|Notes and References
 
+
  
 
|-valign="top"
 
|-valign="top"
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|
 
|
 
*Identified as a priority for GC 13, but not yet delivered
 
*Identified as a priority for GC 13, but not yet delivered
 
  
 
|-valign="top"
 
|-valign="top"
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|Emissions
 
|Emissions
 
|
 
|
 
|-valign="top"
 
|[[Grid-independent_emissions|Updated offline biogenic emissions]]
 
|Hongjian Weng (PKU)
 
|Emissions
 
|
 
*Identified as a priority for GC 13, but not yet delivered
 
  
 
|-valign="top"
 
|-valign="top"
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|-valign="top"
 
|-valign="top"
|[[Grid-independent_emissions|Updated offline soil NOx emissions]]
+
|Provide recommended rather than hard-coded scaling factors for online emissions
|Hongjian Weng (PKU)
+
|GCST
 
|Emissions
 
|Emissions
 
|
 
|
*Identified as a priority for GC 13, but not yet delivered
+
*Identified as a priority for GC 13, but not yet developed
  
 
|-valign="top"
 
|-valign="top"
|Provide recommended rather than hard-coded scaling factors for online emissions
+
|Add stratospheric ozone species to full-chemistry simulations
|GCST
+
|Lee Murray (Rochester)
|Emissions
+
|Chemistry
 
|
 
|
*Identified as a priority for GC 13, but not yet developed
 
  
 
|-valign="top"
 
|-valign="top"
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|
 
|
 
*Work is finished and a manuscript is in preparation.  
 
*Work is finished and a manuscript is in preparation.  
 
|-valign="top"
 
|Change GCHP advection inputs to use total pressure and mixing ratio rather than dry
 
|Sebastian Eastham (MIT) <br> Liam Bindle (GCST)
 
|Transport
 
|
 
*Identified as a priority for GC 13, but not yet delivered
 
*GCHP only
 
  
 
|-valign="top"
 
|-valign="top"
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!width="200px"|Contributor(s)
 
!width="200px"|Contributor(s)
 
!width="100px"|Model scope
 
!width="100px"|Model scope
!width="420px"|Notes
+
!width="420px"|Notes and References
  
 
|-valign="top"
 
|-valign="top"
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|Christoph Keller (NASA GMAO)
 
|Christoph Keller (NASA GMAO)
 
|Transport Tracer simulation
 
|Transport Tracer simulation
|
 
 
|-valign="top"
 
|Streamlining of specialty simulations through HEMCO and KPP
 
|GCST
 
|Chemistry, Specialty simulations
 
 
|
 
|
  
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!width="200px"|Contributor(s)
 
!width="200px"|Contributor(s)
 
!width="100px"|Model scope
 
!width="100px"|Model scope
!width="420px"|Notes
+
!width="420px"|Notes and References
  
 
|-valign="top"
 
|-valign="top"

Latest revision as of 15:35, 17 May 2022

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.

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 Major version in development
- GEOS-Chem 14.0.0

Feature integration in progress

Features listed in this table are actively being integrated into GEOS-Chem by the GEOS-Chem Support Team. In addition, we continuously implement structural updates in the model to maintain and develop coupling with other models including GEOS, CESM, and the model adjoint.

Feature Contributor(s) Model scope Ease of implementation Notes and References
Fixes to remove differences when restarting the model Lizzie Lundgren (GCST) Bug fixes Medium
  • Done for GCHP, slated for 14.0.0
  • Problem of REAL4 restart file for GC-Classic will remain
Joint CO2-CO-CH4-OCS simulation Beata Bukosa (NIWA)
Kevin Bowman (JPL)
Mike Long (Harvard)
Specialty simulation Medium
Provide climatologies for open fire emissions Melissa Sulprizio (GCST) Emissions Easy
Climatologies for lightning NOx Lee Murray (Rochester)
Melissa Sulprizio (GCST)
Emissions Easy
Updated offline biogenic emissions Hongjian Weng (PKU) Emissions Easy
  • Delivered to GCST (Dec 2021)
Updated offline soil NOx emissions Hongjian Weng (PKU) Emissions Easy
  • Delivered to GCST (Dec 2021)
Add new species concentration diagnostic in units of molec/cm3 GCST Diagnostics Easy
Output satellite diagnostics as NetCDF Eloise Marais (UCL) Diagnostics Easy
Usability updates for GCHP run directory Lizzie Lundgren (GCST) Structural Easy
  • Will impact how users configure GCHP runs
Upgrade Fast-JX to Cloud-J Lizzie Lundgren (GCST) Structural Difficult

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 and References


Adaptive chemical solver (as option) Mike Long (Harvard)
Haipeng Lin (Harvard)
Bob Yantosca (GCST)
Lu Shen (PKU)
Chemistry Difficult
MEGAN3 Sam Silva (MIT) Emissions Medium
  • DOI: 10.5281/zenodo.3614062
  • Sam Silva and GCST will work on updating this to a more recent GEOS-Chem version in the near future
Canopy Physics Model Sam Silva (MIT) Emissions &
Science
Medium
  • DOI: 10.5281/zenodo.3614062
  • Sam Silva and GCST will work on updating this to a more recent GEOS-Chem version in the near future

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 and References
Stratospheric adjustment with RRTMG in GEOS-Chem Seb Eastham (MIT) Science Medium
Stratospheric HCN chemistry Armin Kleinbohl (JPL)
Debra Weisenstein (Harvard, retired)
Chemistry Medium
  • Delivered to GCST (Jun 2020)
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
Landcover/Fire Emissions Offline LPJlmfire Loretta Mickley (Harvard)
Yang Li (Harvard)
Emissions Easy
  • Data files delivered to GCST (July 2021)

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 and References
Implement H2 chemistry in UCX Chris Holmes (FSU) Chemistry
  • Identified as a priority for GC 13, but not yet delivered
New soil NOx parameterization Yi Wang (U. Iowa)
Jun Wang (U. Iowa)
Emissions
Updated offline sea salt emissions Hongjian Weng (PKU) Emissions
  • Identified as a priority for GC 13, but not yet delivered
Provide recommended rather than hard-coded scaling factors for online emissions GCST Emissions
  • Identified as a priority for GC 13, but not yet developed
Add stratospheric ozone species to full-chemistry simulations Lee Murray (Rochester) Chemistry
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
  • Work is finished and a manuscript is in preparation.
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
Updated parameterization of aerosol size distribution for bulk aerosol simulations Haihui Zhu (WashU)
Shixian Zhai (Harvard)
Aerosols

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 and References
Methylethylketone chemistry Jared Brewer (CSU) Chemistry
Add sulfate dependence to SOA yield from isoprene in simple SOA Eloise Marais (UCL) Chemistry
GTMM updates Ben Geyman (Harvard) Hg simulation


Integrating GMAO's tracer gridded component in GCHP Christoph Keller (NASA GMAO) Transport Tracer simulation

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 and References
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
  • SF mechanism has been implemented and benchmarked in GEOS-Chem 12.0.0. This mechanism is of interest for those groups wanting fast global simulation of oxidation fields in GEOS-Chem simulations focused on aerosol microphysics.
  • The machine-learned chemical solver is still probably 12 months away from online implementation into GEOS-Chem.
Add non-volatile cations to ISORROPIA Becky Alexander (UW) Aerosols
DMS oxidation scheme updating Becky Alexander (UW)
Qianjie Chen (UW)
Chemistry
  • Delayed - implemented pre-KPP
  • Currently bring implemented in KPP by UC Riverside group
Heterogeneous sulfate production Lin Zhang (PKU)
Becky Alexander (UW)
Yuxuan Wang (U. Houston)
Chemistry
  • Delayed - implemented pre-KPP
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

GEOS-Chem Main Page | GCHP Main Page