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

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(Longer term (12-24 months))
(Feature integration in progress)
 
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!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 13.2.0]]'''
+
|align="center"|'''[[GEOS-Chem 14.0.0]]'''
  
 
|}
 
|}
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== Feature integration in progress ==
 
== Feature integration in progress ==
  
Features listed in this table are actively being integrated into GEOS-Chem by the GEOS-Chem Support Team.  
+
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.
 +
 
 
{| border=1 cellspacing=0 cellpadding=5  
 
{| border=1 cellspacing=0 cellpadding=5  
 
|-bgcolor="#CCCCCC"
 
|-bgcolor="#CCCCCC"
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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"
|[https://github.com/geoschem/geos-chem/issues/547 Update US emissions to NEI2016] (as option)
+
|[https://github.com/geoschem/geos-chem/pull/1198 Fixes to remove differences when restarting the model]
|Barron Henderson (EPA)<br>Lyssa Freese (MIT)
+
|Lizzie Lundgren (GCST)
|Emissions
+
|Bug fixes
|Easy
+
|Medium
 
|
 
|
*Files available at [ftp://newftp.epa.gov/Air/aqmg/global/NEI2016fh/ this ftp site]. Barron writes, "They have not yet been used in a publication, so I caution users to look for anything and report back."
+
*Done for GCHP, slated for 14.0.0
 +
*Problem of REAL4 restart file for GC-Classic will remain
  
 
|-valign="top"
 
|-valign="top"
|[https://github.com/geoschem/geos-chem/pull/459 Updates to enable automated run directory creation]
+
|[https://acp.copernicus.org/articles/19/7055/2019/ Joint CO2-CO-CH4-OCS simulation]
|GCST
+
|Beata Bukosa (NIWA)<br>Kevin Bowman (JPL)<br>Mike Long (Harvard)
|Run directory
+
|Specialty simulation
 
|Medium
 
|Medium
 
|
 
|
 +
*[https://github.com/geoschem/geos-chem/issues/654 geoschem/geos-chem #654]
  
 
|-valign="top"
 
|-valign="top"
|[https://github.com/geoschem/geos-chem/issues/666 Modularize FAST-JX]
+
|[https://github.com/geoschem/geos-chem/issues/331 Provide climatologies for open fire emissions]
|Lizzie Lundgren (GCST)
+
|Melissa Sulprizio (GCST)
|Structural
+
|Emissions
|Difficult
+
|Easy
 
|
 
|
*Will allow other models to use FAST-JX without rest of GEOS-Chem
 
  
 
|-valign="top"
 
|-valign="top"
|Migrating sulfate chemistry into KPP
+
|[https://github.com/geoschem/geos-chem/issues/655 Climatologies for lightning NOx]
|Mike Long (GCST)
+
|Lee Murray (Rochester)<br>Melissa Sulprizio (GCST)
|Chemistry &<br>Structural
+
|Emissions
|Difficult
+
|Easy
 
|
 
|
* Also includes Moch et al HMS chemistry
 
* Also includes C2H4 and C2H2 chemistry
 
  
 
|-valign="top"
 
|-valign="top"
|[http://acmg.seas.harvard.edu/publications/2020/moch_2020_hms_global.pdf HMS chemistry]
+
|[[Grid-independent_emissions|Updated offline biogenic emissions]]
|Jonathan Moch (Harvard)<br>Mike Long (GCST)
+
|Hongjian Weng (PKU)
|Chemistry
+
|Emissions
 
|Easy
 
|Easy
 
|
 
|
*See [https://github.com/geoschem/geos-chem/pull/456 geoschem/geos-chem PR #456]
+
*Delivered to GCST (Dec 2021)
  
 
|-valign="top"
 
|-valign="top"
|[https://github.com/geoschem/geos-chem/issues/560 C2H4 and C2H2 chemistry]
+
|[[Grid-independent_emissions|Updated offline soil NOx emissions]]
|Kelvin Bates (Harvard)<br>Ke Li (Harvard)<br>Mike Long (GCST)
+
|Hongjian Weng (PKU)
|Chemistry
+
|Emissions
 
|Easy
 
|Easy
 
|
 
|
*Includes adding C2H4 and C2H2 as advected species with emissions
+
*Delivered to GCST (Dec 2021)
  
 
|-valign="top"
 
|-valign="top"
|Cleaning up heterogeneous chemistry reaction rate computations
+
|[https://github.com/geoschem/geos-chem/discussions/1022 Add new species concentration diagnostic in units of molec/cm3]
|Bob Yantosca (GCST)
+
|GCST
|Chemistry &<br>Structural
+
|Diagnostics
|Difficult
+
|Easy
 
|
 
|
 +
*See [https://github.com/geoschem/geos-chem/issues/1022 geoschem/geos-chem #1022]
  
 
|-valign="top"
 
|-valign="top"
|[https://github.com/geoschem/HEMCO/issues/92 Avoid double counting of acetone source from monoterpenes when using online MEGAN]
+
|[https://github.com/geoschem/geos-chem/issues/770 Output satellite diagnostics as NetCDF]
|Dylan Millet (UMN)
+
|Eloise Marais (UCL)  
|Emissions
+
|Diagnostics
 
|Easy
 
|Easy
 
|
 
|
*See [https://github.com/geoschem/HEMCO/pull/93 geoschem/HEMCO PR #93]
+
*See [https://github.com/geoschem/geos-chem/pull/1134 geoschem/geos-chem #1134]
  
 
|-valign="top"
 
|-valign="top"
|[http://acmg.seas.harvard.edu/publications/2021/shah_est_2021.pdf Updated Hg chemistry in KPP]
+
|Usability updates for GCHP run directory
|Viral Shah (Harvard)<br>Colin Thackray (Harvard)<br>Mike Long (Harvard)
+
|Lizzie Lundgren (GCST)
|Chemistry
+
|Structural
|Medium
+
|Easy
 
|
 
|
 
+
*Will impact how users configure GCHP runs
  
 
|-valign="top"
 
|-valign="top"
|[https://acp.copernicus.org/preprints/acp-2021-605/ Aromatic VOC chemistry]
+
|Upgrade Fast-JX to Cloud-J
|Kelvin Bates (Harvard)<br>Ke Li (Harvard)<br>Mike Long (Harvard)
+
|Lizzie Lundgren (GCST)
|Chemistry
+
|Structural
|Medium
+
|Difficult
 
|
 
|
 +
* [https://github.com/geoschem/cloud-j geoschem/cloud-j]
 +
*Ongoing
 +
 
|}
 
|}
  
Line 115: Line 119:
  
 
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.
 
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.
 +
 
{| border=1 cellspacing=0 cellpadding=5  
 
{| border=1 cellspacing=0 cellpadding=5  
 
|-bgcolor="#CCCCCC"
 
|-bgcolor="#CCCCCC"
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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/14/4249/2021/gmd-14-4249-2021.html Updated offline dust emissions from Meng et al. (2021)]
 
|Jun Meng (WUStL)<br>Yanshun Li (WUStL)
 
|Emissions
 
|Easy
 
|
 
  
 
|-valign="top"
 
|-valign="top"
|[https://acp.copernicus.org/articles/21/1861/2021/ Updated Rn-222 emissions]
+
|[https://gmd.copernicus.org/articles/13/2475/2020/gmd-13-2475-2020.pdf Adaptive chemical solver] (as option)
|Bo Zhang
+
|Mike Long (Harvard) <br> Haipeng Lin (Harvard) <br> Bob Yantosca (GCST) <br> Lu Shen (PKU)
|Emissions
+
|Chemistry
|Easy
+
|Difficult
 
|
 
|
*Existing Rn emissions will remain as an option
+
*In testing, publication expected in mid-to-late 2022
*Original data at https://doi.org/10.5281/zenodo.3942287
+
*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]
*Waiting for data submission in NetCDF format
+
  
 
|-valign="top"
 
|-valign="top"
|[https://github.com/geoschem/geos-chem/issues/331 Climatologies for lightning NOx]
+
|[https://gmd.copernicus.org/articles/13/2569/2020/ MEGAN3]
|Lee Murray (Rochester)
+
|Sam Silva (MIT)
 
|Emissions
 
|Emissions
|Easy
+
|Medium
 
|
 
|
 +
*DOI: [https://zenodo.org/record/3614062#.XzvrH5NKjOR 10.5281/zenodo.3614062]
 +
*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://www.pnas.org/content/117/42/26076 Updated aerosol dry deposition]
+
|[https://gmd.copernicus.org/articles/13/2569/2020/ Canopy Physics Model]
|Jeff Pierce (CSU)
+
|Sam Silva (MIT)
|Dry deposition
+
|Emissions &<br>Science
|Easy
+
|
+
*See [https://github.com/geoschem/geos-chem/issues/604 geoschem/geos-chem #604]
+
 
+
|-valign="top"
+
|[https://gmd.copernicus.org/articles/13/2475/2020/gmd-13-2475-2020.pdf Adaptive chemical solver] (as option)
+
|Lu Shen (Harvard)
+
|Chemistry
+
|Difficult
+
|
+
 
+
|-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
 
|Medium
 
|
 
|
*See [https://github.com/geoschem/geos-chem/issues/654 geoschem/geos-chem #654]
+
*DOI: [https://zenodo.org/record/3614062#.XzvrH5NKjOR 10.5281/zenodo.3614062]
*Ideally implemented as a chemical mechanism in KPP
+
*Sam Silva and GCST will work on updating this to a more recent GEOS-Chem version in the near future
  
 
|}
 
|}
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Features listed in this table have been delivered to the GEOS-Chem Support Team but are not yet prioritized for integrating into the model.
 
Features listed in this table have been delivered to the GEOS-Chem Support Team but are not yet prioritized for integrating into the model.
 +
 
{| border=1 cellspacing=0 cellpadding=5  
 
{| border=1 cellspacing=0 cellpadding=5  
 
|-bgcolor="#CCCCCC"
 
|-bgcolor="#CCCCCC"
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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"
Line 193: Line 187:
  
 
|-valign="top"
 
|-valign="top"
|[https://gmd.copernicus.org/articles/13/2569/2020/ MEGAN3]
+
|[https://gmd.copernicus.org/articles/13/1137/2020/ GC-YIBs biosphere-atmospheric chemistry coupled model]
|Sam Silva (MIT)
+
|Emissions
+
|Medium
+
|
+
*Implementation details may be found at https://zenodo.org/record/3614062#.XzvrH5NKjOR
+
 
+
|-valign="top"
+
|[https://acp.copernicus.org/articles/17/3699/2017/ GC-YIBs biosphere-atmospheric chemistry coupled model]
+
 
|Xu Yue (NUIST)
 
|Xu Yue (NUIST)
 
|Science
 
|Science
 
|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"
|[http://acmg.seas.harvard.edu/presentations/IGC9/posters/Tue_Posters_lam_joey.pdf Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange]
+
|[https://github.com/geoschem/geos-chem/pull/629 Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange]
 
|Joey Lam(CUHK)<br>Amos Tai (CUHK)
 
|Joey Lam(CUHK)<br>Amos Tai (CUHK)
 
|Science
 
|Science
Line 215: Line 201:
 
|
 
|
 
*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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|Easy
 
|Easy
 
|
 
|
 
|-valign="top"
 
|Archived CMIP6 Met Products for GEOS-Chem Input
 
|Lee Murray (Rochester)
 
|Input data
 
|Easy
 
|
 
*See updates from [http://acmg.seas.harvard.edu/geos/word_pdf_docs/steering_cmte/gc_sc_minutes_24Feb2021.pdf Feb 2021 GCSC meeting]
 
*Official announcement coming soon
 
  
 
|-valign="top"
 
|-valign="top"
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|
 
|
 
*Data files delivered to GCST (July 2021)
 
*Data files delivered to GCST (July 2021)
 
|-valign="top"
 
|[https://gmd.copernicus.org/articles/13/2569/2020/ Canopy Physics Model]
 
|Sam Silva (MIT)
 
|Science
 
|Medium
 
|
 
*Code is available at https://zenodo.org/record/3614062
 
  
 
|}
 
|}
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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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|-valign="top"
 
|-valign="top"
|[[Grid-independent_emissions|Updated offline biogenic emissions]]
+
|[https://iopscience.iop.org/article/10.1088/1748-9326/ac16a3 New soil NOx parameterization]
|Hongjian Weng (PKU)
+
|Yi Wang (U. Iowa)<br>Jun Wang (U. Iowa)
 
|Emissions
 
|Emissions
 
|
 
|
*Identified as a priority for GC 13, but not yet delivered
 
*Waiting on updated MODIS LAI data
 
  
 
|-valign="top"
 
|-valign="top"
 
|[[Grid-independent_emissions|Updated offline sea salt emissions]]
 
|[[Grid-independent_emissions|Updated offline sea salt emissions]]
|Hongjian Weng (PKU)
 
|Emissions
 
|
 
*Identified as a priority for GC 13, but not yet delivered
 
 
|-valign="top"
 
|[[Grid-independent_emissions|Updated offline soil NOx emissions]]
 
 
|Hongjian Weng (PKU)
 
|Hongjian Weng (PKU)
 
|Emissions
 
|Emissions
Line 298: Line 259:
  
 
|-valign="top"
 
|-valign="top"
|[https://github.com/geoschem/geos-chem/issues/331 Provide climatologies for volcano 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"
 
|[https://github.com/geoschem/geos-chem/issues/331 Provide climatologies for open fire emissions]
 
|GCST
 
|Emissions
 
|
 
*Identified as a priority for GC 13, but not yet developed
 
  
 
|-valign="top"
 
|-valign="top"
Line 334: Line 287:
 
|Emissions
 
|Emissions
 
|
 
|
 
  
 
|-valign="top"
 
|-valign="top"
Line 344: Line 296:
  
 
|-valign="top"
 
|-valign="top"
|Read-in of native GEOS output
+
|HTAPv3 emissions (0.1 deg, 2002-2018)
|WUStL GCST
+
|Emissions & Deposition WG
|Input data
+
|Emissions
 
|
 
|
GCHP only
 
  
 
|-valign="top"
 
|-valign="top"
|Change GCHP advection inputs to use total pressure and mixing ratio rather than dry
+
|Migrating simple SOA formation from carbon_mod.F90 into the KPP "full-chemistry" mechanism
|Sebastian Eastham (MIT)
+
|GCST
|Transport
+
|Chemistry
 
|
 
|
*Identified as a priority for GC 13, but not yet delivered
 
*GCHP only
 
  
 
|-valign="top"
 
|-valign="top"
|Add capability to read mass fluxes for use in advection
+
|Updated parameterization of aerosol size distribution for bulk aerosol simulations
|Sebastian Eastham (MIT)
+
|Haihui Zhu (WashU)<br>Shixian Zhai (Harvard)
|Transport
+
|Aerosols
 
|
 
|
*Identified as a priority for GC 13, but not yet delivered
 
*GCHP only
 
  
 
|}
 
|}
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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.
 
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.
 +
 
{| border=1 cellspacing=0 cellpadding=5
 
{| border=1 cellspacing=0 cellpadding=5
 
|- bgcolor="#cccccc"
 
|- bgcolor="#cccccc"
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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"
Line 386: Line 334:
 
|-valign="top"
 
|-valign="top"
 
|Add sulfate dependence to SOA yield from isoprene in simple SOA
 
|Add sulfate dependence to SOA yield from isoprene in simple SOA
|Eloise Marais (Leicester)
+
|Eloise Marais (UCL)
 
|Chemistry
 
|Chemistry
 
|
 
|
Line 401: Line 349:
 
|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
 
 
|
 
|
  
Line 419: Line 361:
 
!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"
+
|GCHP Adjoint
+
|Daven Henze (CU Boulder)
+
|Structural
+
|
+
  
 
|-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

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