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

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'''''[[Main_Page|GEOS-Chem Main Page]] | [[GCHP_Main_Page|GCHP Main Page]]'''''
 
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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 [https://geos-chem.seas.harvard.edu/geos-working-groups Working Groups] and the [https://geos-chem.seas.harvard.edu/geos-steering-cmte Steering Committee]. For history of past releases see the [[GEOS-Chem_versions|GEOS-Chem Versions wiki 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 [https://geos-chem.seas.harvard.edu/geos-working-groups Working Groups] and the [https://geos-chem.seas.harvard.edu/geos-steering-cmte Steering Committee]. For history of past releases see the [[GEOS-Chem_versions|GEOS-Chem Versions wiki page]].
−
 
−
== Release schedule ==
 
−
 
−
Please see the [http://wiki.seas.harvard.edu/geos-chem/images/e/e1/GEOS-Chem_Release_Proposal.pdf GEOS-Chem Release Proposal] outlining the procedure and schedule for releasing GEOS-Chem versions.
 
  
 
== Merged and awaiting release ==
 
== Merged and awaiting release ==
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{| border=1 cellspacing=0 cellpadding=5  
 
{| border=1 cellspacing=0 cellpadding=5  
 
|-bgcolor="#CCCCCC"
 
|-bgcolor="#CCCCCC"
−
!width="200px"|Patch version in development
+
!width="300px"|Mergeable at any time
−
!width="200px"|Major version in development
+
!width="200px"|Version in development
  
 
|-valign="top"
 
|-valign="top"
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|align="center"|'''[[GEOS-Chem 14.0.1]]'''
+
|align="center"|'''[[GEOS-Chem no-diff-to-benchmark]]'''
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|align="center"|'''[[GEOS-Chem 14.0.0]]'''
+
|align="center"|'''[[GEOS-Chem 14.5.0]]'''
  
 
|}
 
|}
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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]]. 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.  
+
Features listed in this table are actively being integrated into GEOS-Chem by the [https://geoschem.github.io/support-team.html 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  
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|-valign="top"
 
|-valign="top"
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|[https://gmd.copernicus.org/articles/13/2475/2020/gmd-13-2475-2020.pdf Adaptive chemical solver] (as option) / KPP 3.0.0
+
|[https://github.com/geoschem/geos-chem/issues/1288 New soil NOx parameterization]
−
|Mike Long (Harvard) <br> Haipeng Lin (Harvard) <br> Bob Yantosca (GCST) <br> Lu Shen (PKU)
+
|Yi Wang (U. Iowa)<br>Jun Wang (U. Iowa)
−
|Chemistry
+
|Emissions
−
|Complicated
+
−
|
+
−
*Lin, H., M.S. Long, R. Sander, R.M. Yantosca, L.A. Estrada, L. Shen, and D.J. Jacob, An adaptive auto-reduction solver for speeding up integration of chemical kinetics in atmospheric chemistry models: implementation and evaluation in the Kinetic Pre-Processor (KPP) version 3.0.0, submitted to JAMES,  https://doi.org/10.31223/X5505V, 2022.
+
−
*NOTE: Waiting on paper review before releasing final KPP 3.0.0 version
+
−
 
+
−
|-valign="top"
+
−
|Use pointers to internal state for species arrays in GCHP/GEOS
+
−
|Lizzie Lundgren (Harvard)
+
−
|GCHP/GEOS
+
 
|Medium
 
|Medium
 
|
 
|
 +
*[https://github.com/geoschem/geos-chem/issues/1288 geos-chem issue #1288]
 +
*Incorporates new met field TSOIL1
  
 
|-valign="top"
 
|-valign="top"
−
|[https://acp.copernicus.org/articles/19/7055/2019/ Joint CO2-CO-CH4-OCS simulation via KPP]
+
|Horizontal flux regridding fix in MAPL
−
|Beata Bukosa (NIWA)<br>Kevin Bowman (JPL)<br>Mike Long (Harvard)
+
|Tom Clune (GMAO)
−
|Specialty simulation
+
|GCHP
 
|Medium
 
|Medium
 
|
 
|
−
*Slated for 14.1.0
+
*[https://github.com/geoschem/MAPL/pull/36 MAPL PR #36]
−
*[https://github.com/geoschem/geos-chem/issues/654 geoschem/geos-chem #654]
+
  
 
|-valign="top"
 
|-valign="top"
−
|Identify and remove memory leaks and similar issues
+
|Cloud-J 7.7.2 for greater flexibility in external models
−
|Bob Yantosca (Harvard)
+
|Lizzie Lundgren (Harvard)
−
|Structural
+
|Photolysis
 
|Medium
 
|Medium
 
|
 
|
−
*See [https://github.com/geoschem/geos-chem/pull/1353 github.com/geos-chem PR #1353]
+
*[https://github.com/geoschem/Cloud-J/pull/17 Cloud-J PR #17]
 +
*[https://github.com/geoschem/geos-chem/pull/2342 GEOS-Chem PR #2342]
 +
* More Cloud-J PRs in progress
  
 
|-valign="top"
 
|-valign="top"
−
|TOMAS in GCHP
+
|GCHP run directory improvements for mass flux, stretched grid, and GEOS-IT runs
−
|Betty Croft (WashU)
+
−
|Aerosols
+
−
|Simple
+
−
|
+
−
*Slated for 14.1.0
+
−
*[https://github.com/geoschem/GCHP/pull/221 geoschem/GCHP PR #221]
+
−
*[https://github.com/geoschem/geos-chem/pull/1261 geoschem/geos-chem PR #1261]
+
−
*[https://github.com/geoschem/HEMCO/pull/145 geoschem/HEMCO PR #145]
+
−
 
+
−
|-valign="top"
+
−
|Bug fix for GFAS in GCHP
+
 
|Lizzie Lundgren (Harvard)
 
|Lizzie Lundgren (Harvard)
 
|GCHP
 
|GCHP
−
|Simple
+
|Medium
 
|
 
|
 +
*[https://github.com/geoschem/geos-chem/pull/2326 GEOS-Chem PR #2326]
  
 
|-valign="top"
 
|-valign="top"
−
|[https://github.com/geoschem/geos-chem/issues/1274 Revision to a rate constant for the C2H4 scheme]
+
|Fixes for GEOS-Chem 14.4 in CESM
−
|Kelvin Bates (Harvard)
+
|Haipeng Lin (Harvard)<br>Lizzie Lundgren (Harvard)
−
|Chemistry
+
|CESM
−
|Simple
+
|Medium
 
|
 
|
−
*Slated for 14.1.0
+
*[https://github.com/geoschem/geos-chem/pull/2348 GEOS-Chem PR #2348]
−
*See [https://github.com/geoschem/geos-chem/issues/1274 geoschem/geos-chem #1274]
+
*[https://github.com/geoschem/geos-chem/pull/2349 GEOS-Chem PR #2349]
 +
* More PRs in progress
  
−
|-valign="top"
+
|}
−
|[https://github.com/geoschem/geos-chem/issues/1298 Fix product in HOBr/Cl + S(IV) reactions]
+
−
|Xuan Wang (CUHK)
+
−
|Chemistry
+
−
|Simple
+
−
|
+
−
*Slated for 14.1.0
+
−
*See [https://github.com/geoschem/geos-chem/issues/1298 geoschem/geos-chem #1298]
+
  
−
|-valign="top"
+
== Prioritized and in the queue ==
−
|[https://github.com/geoschem/geos-chem/issues/1235 Add MO2 + NO3 reaction]
+
−
|Kelvin Bates (Harvard)
+
−
|Chemistry
+
−
|Simple
+
−
|
+
−
*Slated for 14.1.0
+
−
*See [https://github.com/geoschem/geos-chem/issues/1235 geoschem/geos-chem #1235]
+
  
−
|-valign="top"
+
Features listed in this table are prioritized for integration into GEOS-Chem in the near future.
−
|[https://github.com/geoschem/geos-chem/issues/1429 Update SO4 production in cloud-droplets over oceans]
+
−
|Becky Alexander
+
−
|Aerosols
+
−
|Simple
+
−
|
+
−
*Delivered to GCST; Slated for 14.1.0
+
−
*See [https://github.com/geoschem/geos-chem/issues/1434 geoschem/geos-chem #1434]
+
−
*See [https://github.com/geoschem/geos-chem/issues/1429 geoschem/geos-chem #1429]
+
  
−
|-valign="top"
+
{| border=1 cellspacing=0 cellpadding=5
−
|RO2 diagnostic
+
|-bgcolor="#CCCCCC"
−
|Melissa Sulprizio (Harvard)
+
!width="200px"|Feature
−
|Diagnostics
+
!width="200px"|Contributor(s)
−
|Simple
+
!width="100px"|Model scope
−
|
+
!width="100px"|Ease of implementation
 +
!width="100px"|Delivery status
 +
!width="300px"|Notes and References
  
 
|-valign="top"
 
|-valign="top"
−
|[https://github.com/geoschem/geos-chem/issues/770 Output satellite diagnostics as NetCDF]
+
|ALK4 & R4N2 chemistry
−
|Eloise Marais (UCL)  
+
|Jared Brewer (UMN)
−
|Diagnostics
+
|Chemistry
−
|Simple
+
|TBD
 +
|Delivered
 
|
 
|
−
*See [https://github.com/geoschem/geos-chem/pull/1134 geoschem/geos-chem #1134]
+
*[https://github.com/geoschem/geos-chem/issues/1625 geos-chem issue #1625]
 +
*[https://acmg.seas.harvard.edu/files/acmg/files/brewer2022.pdf Brewer, J.F. et al., J. Geophys. Res., 2023.]
  
 
|-valign="top"
 
|-valign="top"
−
|[https://github.com/geoschem/geos-chem/issues/331 Provide climatologies for open fire emissions]
+
|New version of CEDS at 0.1 deg
−
|Melissa Sulprizio (Harvard)
+
|Dandan Zhang (WashU)
 
|Emissions
 
|Emissions
 
|Simple
 
|Simple
 +
|Delivered June 2024
 
|
 
|
 +
*[https://github.com/geoschem/geos-chem/issues/1745 geos-chem issue #1745]
  
 
|-valign="top"
 
|-valign="top"
−
|[https://github.com/geoschem/geos-chem/issues/655 Climatologies for lightning NOx]
+
|Remove differences in GC-Classic due to HEMCO reading REAL8 restart as REAL4
−
|Lee Murray (Rochester)
+
|Lizzie Lundgren (Harvard)
−
|Emissions
+
|GC-Classic
−
|Simple
+
|Medium
 
|
 
|
−
 
−
|-valign="top"
 
−
|[https://github.com/geoschem/geos-chem/discussions/1022 Add new species concentration diagnostic in units of molec/cm3]
 
−
|Haipeng Lin (Harvard)
 
−
|Diagnostics
 
−
|Simple
 
 
|
 
|
−
*See [https://github.com/geoschem/geos-chem/pull/1264 geoschem/geos-chem PR #1264]
+
*[https://github.com/geoschem/HEMCO/issues/18 HEMCO issue #18]
−
 
+
−
|-valign="top"
+
−
|Update transport tracer simulation for consistency with the tracer gridded component in GEOS
+
−
|Melissa Sulprizio (Harvard)
+
−
|TransportTracer simulation
+
−
|Simple
+
−
|
+
−
 
+
  
 
|}
 
|}
  
−
== Delivered and in the queue ==
+
== Ready to go in ==
  
−
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 are ready to go in but have either not been delivered or are not yet prioritized for integration into GEOS-Chem.
  
 
{| border=1 cellspacing=0 cellpadding=5  
 
{| border=1 cellspacing=0 cellpadding=5  
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!width="200px"|Contributor(s)
 
!width="200px"|Contributor(s)
 
!width="100px"|Model scope
 
!width="100px"|Model scope
−
!width="100px"|Ease of implementation
+
!width="100px"|Delivery status
−
!width="300px"|Notes and References
+
!width="300px"|Notes and Refereneces
 +
 
  
 
|-valign="top"
 
|-valign="top"
−
|[https://doi.org/10.34894/SZ2KOI AMAP 2015 emissions from GMA2018]
+
|Binary Activity Thermodynamic (BAT) model for non-ideal mixing of water and organics in organic aerosol
−
|Helene Angot(MIT)<br>Ari Feinberg (MIT)<br>Noelle Selin (MIT)
+
|Camilo Serrano and Andreas Zuend (McGill)
−
|Hg simulation
+
|Aerosols
−
|Simple
+
|Not delivered
 
|
 
|
−
* Delivered to GCST (Jul 2022)
 
  
 
|-valign="top"
 
|-valign="top"
−
|[https://pubs.rsc.org/en/content/articlehtml/2022/em/d2em00032f Improvements in modelled Hg0 dry deposition to land]
+
|Extend aerosol settling
−
|Ari Feinberg (MIT)<br>Noelle Selin (MIT)<br>Thandolwethu Dlamini (MIT)<br>Martin Jiskra (UBasel)<br>Viral Shah (Harvard)
+
|Eloise Marais (UCL)
−
|Hg simulation
+
|Aerosols
−
|Simple
+
|Not delivered
 
|
 
|
−
* See [https://github.com/geoschem/geos-chem/pull/1367 geoschem/geos-chem PR #1367]
 
  
 
|-valign="top"
 
|-valign="top"
−
|[https://github.com/geoschem/geos-chem/issues/1301 HTAPv3 at 0.1 deg]
+
|Comment back in Ca, Mg, and K cations in aerosol thermo (HETP)
−
|Dandan Zhang (WashU)
+
|Becky Alexander (UW)
−
|Emissions
+
|Aerosols
−
|Simple
+
|Not delivered
 
|
 
|
−
*Delivered to GCST (Jul 2022)
 
−
 
−
|}
 
−
 
−
== Delivered but not yet prioritized ==
 
−
 
−
Features listed in this table have been delivered to the GEOS-Chem Support Team but are not yet prioritized for integration into GEOS-Chem.
 
−
 
−
{| border=1 cellspacing=0 cellpadding=5
 
−
|-bgcolor="#CCCCCC"
 
−
!width="200px"|Feature
 
−
!width="200px"|Contributor(s)
 
−
!width="100px"|Model scope
 
−
!width="100px"|Ease of implementation
 
−
!width="300px"|Notes and References
 
  
 
|-valign="top"
 
|-valign="top"
−
|Tagged O3 simulation in GCHP
+
|Seasalt aerosol from sea ice leads (2002-2011)
−
|Xingpei Yu (PKU)<br>Jourdan He (WashU)
+
|Hannah (UIUC)
−
|TagO3 simulation
+
|Aerosols
−
|Simple
+
|Not delivered
 
|
 
|
−
*[https://github.com/geoschem/geos-chem/pull/1167 geoschem/geos-chem PR #1167]
 
−
* Needs to be updated to a more recent version of GCHP
 
  
 
|-valign="top"
 
|-valign="top"
−
|[https://doi.org/10.7910/DVN/23BRII Global continental chlorine (pCl and HCl) emissions]
+
|P/L species should not contribute to the error norm
−
|Bingqing Zhang (Georgia Tech)<br>Pengfei Liu (Georgia Tech)
+
|Obin Sturm (PSC)
−
|Emissions
+
|Chemistry
−
|Simple
+
|Not delivered
 
|
 
|
−
*Delivered to GCST (Jul 2022)
 
  
 
|-valign="top"
 
|-valign="top"
−
|[https://github.com/geoschem/geos-chem/pull/629 Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange]
+
|Additional 6 peroxynitrates (many PANs like species); improve ALK4 & add ALK6
−
|Joey Lam(CUHK)<br>Amos Tai (CUHK)
+
|Katherine Travis (NASA LARC)
−
|Science
+
|Chemistry
−
|Simple
+
|Not delivered
 
|
 
|
−
*Delivered to GCST (Feb 2021)
 
−
* [https://github.com/geoschem/geos-chem/pull/629 geoschem/geos-chem #629]
 
  
 
|-valign="top"
 
|-valign="top"
−
|LPJ land cover (global), fire (W US), dust emissions (SW N America), 1700-2100
+
|Monoterpene oxdation more species & oxdiation products
−
|Yang Li (Baylor University)<br>Loretta Mickley (Harvard)
+
|Kevin Bates (CU Boulder)
−
|Emissions
+
|Chemistry
−
|Simple
+
|Not delivered
 
|
 
|
−
*Data files delivered to GCST (July 2021)
 
−
*Data are quite large - need to think about storage, compression
 
  
 
|-valign="top"
 
|-valign="top"
−
|[https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/2006GL026015 Stratospheric HCN chemistry]
+
|PPN photolysis
−
|Armin Kleinbohl (JPL)<br>Debra Weisenstein (Harvard, retired)
+
|Eloise Marais (University College London)
 
|Chemistry
 
|Chemistry
−
|Medium
+
|Not delivered
 
|
 
|
−
*Delivered to GCST (Jun 2020)
 
  
−
|}
+
|-valign="top"
−
 
+
|global orgainc N dep from various emissions; nitrate aromatics updates
−
== Ready but not delivered ==
+
|Tzung-May Fu (SUSTech)
−
 
+
|Chemistry +<br>Deposition
−
Features listed in this table are ready but have not been delivered to the GEOS-Chem Support Team.
+
|Not delivered
−
 
+
|
−
{| border=1 cellspacing=0 cellpadding=5
+
−
|-bgcolor="#CCCCCC"
+
−
!width="200px"|Feature
+
−
!width="200px"|Contributor(s)
+
−
!width="100px"|Model scope
+
−
!width="300px"|Notes and References
+
  
 
|-valign="top"
 
|-valign="top"
−
|Updating VOC fire emissions and adding lumped furan
+
|adaptive chemistry (domain-specific) in WRF-GC
−
|Colette Heald (MIT)<br>Jessica Haskins (MIT)
+
|Tzung-May Fu (SUSTech)
 
|Chemistry
 
|Chemistry
 +
|Not delivered
 
|
 
|
−
* Carter, T. S., Heald, C. L., Kroll, J. H., Apel, E. C., Blake, D., Coggon, M., Edtbauer, A., Gkatzelis, G., Hornbrook, R. S., Peischl, J., Pfannerstill, E. Y., Piel, F., Reijrink, N. G., Ringsdorf, A., Warneke, C., Williams, J., Wisthaler, A., and Xu, L.: An Improved Representation of Fire Non-Methane Organic Gases (NMOGs) in Models: Emissions to Reactivity, Atmos. Chem. Phys. Discuss. [preprint], https://doi.org/10.5194/acp-2022-438, in review, 2022.
 
  
 
|-valign="top"
 
|-valign="top"
−
|Nitrate photolysis
+
|Alk4 from biogenic vs anthro
−
|Viral Shah (NASA GMAO)
+
|Jared Brewer (UMN)
 
|Chemistry
 
|Chemistry
 +
|Not delivered
 
|
 
|
−
* Shah, V., D.J. Jacob, R. Dang, L.N. Lamsal, S.A. Strode, S.D. Steenrod, K.F. Boersma, S.D. Eastham, T.M. Fritz, C. Thompson, J. Peischl, I. Bourgeois, I.B. Pollack, B.A. Nault, R.C. Cohen, P. Campuzano-Jost, J.L. Jimenez, S.T. Andersen, L.J. Carpenter, T. Sherwen, and M.J. Evans, Nitrogen oxides in the free troposphere: Implications for tropospheric oxidants and the interpretation of satellite NO2 measurements, EGUsphere [preprint], https://doi.org/10.5194/egusphere-2022-656, 2022.
 
  
 
|-valign="top"
 
|-valign="top"
−
|Online H2 chemistry
+
|Dry deposition to F90 (readability)
−
|Maria Paula Pérez-Peña (UNSW)<br>Jenny Fisher (UOW)<br>Dylan Millet (UMN)
+
|Chris Holmes (FSU)
−
|Chemistry
+
|Dry Deposition
 +
|Not delivered
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Alk4 & R4N2 chemistry
+
|Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange
−
|Jared Brewer (Harvard)
+
|Joey Lam, Amos Tai (CUHK)
−
|Chemistry
+
|Dry deposition
 +
|Not delivered
 
|
 
|
−
* Brewer, J.F., D.J. Jacob, S.H. Jathar, Y. He, A. Akherati, S. Zhai, D.S. Jo, A. Hodzic, B.A. Nault, P. Campuzano-Jost, J.L. Jimenez, R.J. Park, Y.J. Oak, and H. Liao, A scheme for representing aromatic secondary organic aerosols in chemical transport models: application to source attribution of organic aerosols over South Korea during the KORUS-AQ campaign, submitted to J. Geophys. Res., 2022.
 
  
 
|-valign="top"
 
|-valign="top"
−
|Organic acids (RCOOH)
+
|FRP-based fire emissions for eastern US at 0.2
−
|Katie Travis (NASA)
+
|Chris Holmes (FSU)
−
|Chemistry
+
|Emissions
 +
|Not delivered
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Update reactions with new JPL & IUPAC recommendations
+
|China agriculture NH3 emissions
−
|Kelvin Bates (Harvard)
+
|Amos Tai (CUHK)
−
|Chemistry
+
|Emissions
 +
|Not delivered
 
|
 
|
−
* Currently running simulations to check magnitude of changes
 
  
 
|-valign="top"
 
|-valign="top"
−
|Improve carbon & nitrogen conservation in reactions
+
|T-dependent anthropogenic VOCs
−
|Kelvin Bates (Harvard)
+
|May Fu (SUSTech)
−
|Chemistry
+
|Emissions
 +
|Not delivered
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Blowing snow sea salt in TOMAS
+
|Rasterized shapefiles high-resolution for oil and gas infrastructure in North America
−
|Betty Croft (Dalhousie)
+
|Lee Murray (Rochester)
−
|Aerosols
+
|Emissions
 +
|Not delivered
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Geologic emission of ethane and propane
+
|New soil NOx parameterization
−
|Matthew Rowlinson and Mat Evans(York)
+
|Yi Wang (U. Iowa), Jun Wang (U. Iowa)
 
|Emissions
 
|Emissions
 +
|Not delivered
 
|
 
|
−
* Global source from https://doi.org/10.1038/s41561-018-0073-0 with spatial distribution from https://doi.org/10.5194/essd-11-1-2019
 
  
 
|-valign="top"
 
|-valign="top"
−
|New version of CEDS at 0.1 deg
+
|New source functions for transport tracers beryllium-7 and beryllium-10
−
|Emma Knowland (NASA)
+
|Minjie Zheng (ETH)
 
|Emissions
 
|Emissions
 +
|Not delivered
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|[https://github.com/geoschem/geos-chem/issues/550 MEIC (China regional) for 2000-2017 at 0.5x0.625 deg]
+
|LPJ land cover (global), fire (W US), dust emissions (SW N America), 1700-2100
−
|Shixian Zhai (Harvard)
+
|Yang Li (Baylor University), Loretta Mickley (Harvard)
 
|Emissions
 
|Emissions
 +
|Not delivered
 
|
 
|
−
* Need permission from Qiang Zhang (Tsinghua U.) to distribute data
 
  
 
|-valign="top"
 
|-valign="top"
−
|KORUS-AQ emissions for East Asia
+
|Australian emissions
−
|Katie Travis (NASA)
+
|Stephen MacFarlane/Jenny Fisher (UWollongong)
 
|Emissions
 
|Emissions
 +
|Not delivered
 
|
 
|
−
* Need permission to distribute data
 
  
−
|-valign-"top"
+
|-valign="top"
−
|[https://pubs.rsc.org/en/content/articlelanding/2022/EM/D2EM00019A Australian anthropogenic Hg emissions]
+
|Geogenic emissions (volcanic, rock weathering)
−
|Stephen MacFarlane (UOW)<br>Jenny Fisher (UOW)<br> Hannah Horowitz (U. Illinois)<br>Viral Shah (Harvard)
+
|Eric Roy (MIT)
−
|Hg simulation
+
|Emissions
 +
|Not delivered
 
|
 
|
  
−
|-valign-"top"
+
|-valign="top"
−
|WRF-GC Hg simulation
+
|Biomass burning - FINN2.5 & GFED4
−
|Xiaotian Xu (Nanjing U.)<br>Yanxu Zhang (Nanjing U.)
+
|Eric Roy (MIT)
−
|Hg simulation<br>WRF-GC
+
|Emissions
 +
|Not delivered
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Updated HgII gas-partical partitioning
+
|BCC-GC online
−
|Kaiyun Liu (Tsinghua U.)<br>Qingru Wu (Tsinghua U.)<br>Shuxiao Wang (Tsinghua U.)
+
|Lin Zhang (PKU)
−
|Hg simulation
+
|External Model
 +
|Not delivered
 
|
 
|
−
* Should be option, not default
 
  
 
|-valign="top"
 
|-valign="top"
−
|Dry deposition to F90 (readability)
+
|GC-YIBS with online fire emissions
−
|Chris Holmes (FSU)
+
|Xu Yue; Hong Liao; Xu Yue (NUIST)
−
|Dry deposition
+
|External Model
 +
|Not delivered
 
|
 
|
 +
 +
|-valign="top"
 +
|GISS-GC offline (GCAP)
 +
|Lee Murray (Rochester)
 +
|GCAP
 +
|Not delivered
 +
|
 +
 +
|-valign="top"
 +
|Archived TCR-2 OH fields for carbon simulations
 +
|Kazu Miyazaki (JPL)
 +
|Input data
 +
|Not delivered
 +
|
 +
 +
|-valign="top"
 +
|GOOPy (General Observation Operator in Python): for processing satellite and model output to produce column fields using averaging kernels
 +
|Hannah Nesser (JPL) , Elise Penn (Harvard)
 +
|Tools
 +
|Not delivered
 +
|
 +
* Could be added into GCPy as a Git submodule
 +
 
|}
 
|}
  
Line 393: Line 343:
  
 
|-valign="top"
 
|-valign="top"
−
|DMS Chemistry
+
|Capture all trop and PBL height changes in budget diagnostics
−
|Linia Tashmim (UC Riverside)<br>William Porter (UC Riverside)
+
|Chris Holmes (FSU)<br>Lizzie Lundgren (Harvard)
 +
|Diagnostics
 +
|
 +
*[https://github.com/geoschem/geos-chem/pull/2103 geos-chem PR 2103]
 +
 
 +
|-valign="top"
 +
|Dust non-sphericity impacts on optical properties
 +
|Inderjeet Singh (WashU)
 +
|Aerosols
 +
|
 +
 
 +
|-valign="top"
 +
|Fixes to stratospheric aerosol settling
 +
|Connor Barker, Eloise Marais (UCL)
 +
|Aerosols
 +
|
 +
 
 +
|-valign="top"
 +
|DMS chemistry in v14
 +
|Linia Tashmim and Will Porter (UC Riverside)
 
|Chemistry
 
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|PPN+hv, PPN+OH
+
|KPP standalone + 3D Interface
−
|Robert Ryan (UCL)
+
|Obin Sturm (PSC)
 
|Chemistry
 
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|MBO
+
|Load balancing in chemistry solver (GCHP)
−
|Michael Vermeuel (UMN)
+
|Zhouran (Jordan) Sun (WashU)
 +
|Chemistry +<br>Performance
 +
|
 +
 
 +
|-valign="top"
 +
|UCX chemistry in mesosphere (GCHP/GCClassic)
 +
|Helena McDonald (MIT)
 
|Chemistry
 
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|[https://github.com/geoschem/geos-chem/issues/1094 Stratospheric adjustment with RRTMG in GEOS-Chem]
+
|Updated aromatic oxidation
−
|Seb Eastham (MIT)
+
|Stephen MacFarlane/Jenny Fisher (University of Wollongong)
−
|Science
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Re-binning of off-line sea salt and dust for use in TOMAS
+
|MCO3 uptake by cloud forming MP; leading to lower PAN
−
|Betty Croft (Dalhousie)
+
|Laura Yang (Harvard)
−
|Aerosols
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Adaption of TOMAS' in-cloud aqueous sulfate production for KPP versus sulfate_mod.F90
+
|Implement isotope simulation for CH4 in the carbon simulation
−
|Betty Croft (Dalhousie)
+
|Lee Murray (Rochester)
−
|Aerosols
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|ML algorithms for bulk aerosols
+
|Active mesospheric chemistry
−
|Arshad Nair (SUNY Albany)<br>Fangqun Yu (SUNY Albany)
+
|Helena McDonald (MIT), Seb Eastham (IC)
−
|Aerosols
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|PM2.5 and PM10 calculations: aerodynamic vs geometric diameters
+
|Documentation for adding additional aerosol species
−
|Shixian Zhai (Harvard)
+
|Connor Barker (UCL)
−
|Aerosols
+
|Documentation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Updates to Hodzic SOA scheme
+
|Column diagnostics
−
|Jared Brewer (Harvard)
+
|Lizzie Lundgren (Harvard), Viral Shah (GMAO)
−
|Aerosols
+
|Diagnostics
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Automated reduction in isoprene scheme
+
|TOMAS rate diagnostics -- improve performance
−
|Dan Westervelt (Lamont-Doherty)
+
|Betty Croft (WashU/Dal)
−
|Aerosols
+
|Diagnostics +<br>Performance
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Brown carbon chemsitry
+
|Fix obspack - not working in 14.4.0
−
|Jingqiu Mao (U. Alaska)<br>Xuan Wang (CUHK)
+
|Bob Yantosca (Harvard)
−
|Aerosols
+
|Diagnostics
 
|
 
|
  
 +
|-valign="top"
 +
|Archive gamma values from heterogeneous chemistry
 +
|Bob Yantosca (Harvard)
 +
|Diagnostics
 +
|
  
 
|-valign="top"
 
|-valign="top"
−
|GEOS resolution and subgrid convection - Part 2 RAS parameter tuning
+
|RRTMG Documentation
−
|Tailong He (Toronto)<br>Dylan Jones (Toronto)<br>Andrea Molod (NASA GMAO)
+
|GCST
−
|Convection
+
|Documentation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Update surface methane boundary condition using NOAA flask data
+
|Canopy Physics Model
−
|Lee Murray (Rochester)
+
|Sam Silva (MIT)
−
|Input data
+
|Dry Deposition
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Provide recommended rather than hard-coded scaling factors for online emissions
+
|Dry deposition diagnostics by land cover
−
|Melissa Sulprizio (Harvard)
+
|Holly Nowell, Chris Holmes (FSU)
 +
|Dry Deposition
 +
|
 +
 
 +
|-valign="top"
 +
|Dry deposition process diagnostics
 +
|Holly Nowell, Chris Holmes (FSU)
 +
|Dry Deposition
 +
|
 +
 
 +
|-valign="top"
 +
|Biomass burning for TOMAS
 +
|Nicole June (CSU)
 +
|Emissions +<br>Microphysics
 +
|
 +
 
 +
|-valign="top"
 +
|Historic biomass burning ()
 +
|Pengfei (Gtech)
 
|Emissions
 
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|High-res top-down TROPOMI-derived seasonal mean NOx emissions for China
+
|Rice methane
−
|Jintai Lin (PKU)
+
|Zichong Cheng (Harvard)
 
|Emissions
 
|Emissions
−
|Horizontal resolution: 5km, temporal resolution: JJA mean (monthly data will be available at a later stage; please contact us).
+
|
  
 
|-valign="top"
 
|-valign="top"
−
|Updated biomass burning emission factors and species
+
|Fire and anthropogenic emissions not currently turned on (monoterpenes, 1-butadiene etc.)
−
|Tess Carter (MIT)
+
|Katie Travis / Kelvin Bates
 
|Emissions
 
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Updated offline sea salt emissions
+
|Updated bottom-up global CH4 oil, gas, and coal emissions (GFEI v3)
−
|Hongjian Weng (PKU) <br> Jintai Lin (PKU)
+
|Melissa Sulprizio (Harvard), Tia Scarpelli (Carbon MAPPER)
 
|Emissions
 
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|HgII deposition too high in 13.4; Hg0 conc too low; should not use as is
+
|New prior biospheric fluxes from CMS-FLUX and GMAO
−
|Viral Shah (NASA GMAO)<br>Yanxu Zhang (Nanjing U.)<br>Ari Feinberg (MIT)
+
|Kevin Bowman (JPL), Lesley Ott (GMAO)
−
|Hg simulation
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|[https://gmd.copernicus.org/articles/13/2569/2020/ Canopy Physics Model]
+
|Snowpack Br2 emission
−
|Sam Silva (MIT)
+
|Chris Holmes (FSU)
−
|Emissions &<br>Science
+
|Emissions
 
|
 
|
−
*DOI: [https://zenodo.org/record/3614062#.XzvrH5NKjOR 10.5281/zenodo.3614062]
 
−
*Needs to be updated to a more recent GEOS-Chem version
 
  
 
|-valign="top"
 
|-valign="top"
−
|Gridded EPA (GEPA) version 2 emissions for 2012-2018
+
|EDGAR v8.1_toxHg emissions for 1970-2022
−
|Bram Maasakkers (SRON)<br>Erin McDuffie (WashU),<br>Melissa Sulprizio (Harvard)
+
|Eric Roy (MIT)
−
|Emissions<br>CH4 simulation
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Reduce dimension of analytical inversion
+
|Improve pressure handling in GCHP advection
−
|Hannah Nesser (Harvard)
+
|Yuanjian Zhang (WashU), Seb Eastham (ICL)
−
|Adjoint capability
+
|GCHP
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Retire all BPCH diagnostics
+
|Add error trap for duplicate scale factors in HEMCO
 
|Bob Yantosca (Harvard)
 
|Bob Yantosca (Harvard)
−
|Diagnostics
+
|HEMCO
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|GEOS-Chem in CESM 2.3
+
|Fix pressure handling in HEMCO standalone
−
|Lizzie Lundgren (Harvard)
+
|Melissa Sulprizio (Harvard)
−
|Interfacing with ESMs
+
|HEMCO
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Assess memory leak in GCHP
+
|Integration testing: Add stretched grid
−
|Killian Murphy (York)
+
|Lizzie Lundgren (Harvard)
−
|Model performance
+
|Quality Assurance
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Point to internal state for species mixing ratios in GCHP and GEOS
+
|Integration testing: Add GCAP2
−
|Lizzie Lundgren (Harvard)<br>Christoph Keller (NASA)
+
|GCST
−
|Structural
+
|Quality Assurance
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Assess precision in GCHP internal state - use R4 for some?
+
|Integration testing: Add GCHP mass flux run
 
|Lizzie Lundgren (Harvard)
 
|Lizzie Lundgren (Harvard)
−
|Structural
+
|Quality Assurance
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Hybrid MPI-OpenMP in GCHP
+
|Integration testing: Add run with all diagnostics turned on
−
|Seb Eastham (MIT)<br>Killian Murphy (York)
+
|GCST
−
|Model performance
+
|Quality Assurance
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Convert HEMCO input files to YAML
+
|Integration testing: Reinstate TOMAS40
−
|Melissa Sulprizio (Harvard)
+
|Betty Croft (Dalhousie/WashU)
−
|Structural
+
|Quality Assurance
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Allow easy disabling of HEMCO emissions for testing
+
|Strat-adjusted RF in GCC and GCHP
−
|Melissa Sulprizio (Harvard)
+
|Connor Barker, Eloise Marais (UCL)
−
|Structural
+
|Radiation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Improve run directory templating and creation with init_rd.sh and shared directories
+
|Continue cleanup of C-preprocessor switches
−
|Jourdan He (WashU)
+
|Lizzie Lundgren (Harvard)
−
|Run directories
+
|Structural
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Table of CTM and online GCM properties: GCHP, GCC, GEOS-CTM, GC-Nested, online GEOS, GEOS-replay, etc
+
|updates to Luo deposition scheme
−
|GCST?
+
|Gan Luo
−
|Documentation
+
|Wet Deposition
 
|
 
|
  
−
|-valign="top"<
+
|-valign="top"
−
|Upgrade Fast-JX to Cloud-J
+
|Testing the use of a new scavenging parameterization developed by Luo and Yu for cold cloud with Pb-210 aerosol tracer
−
|Lizzie Lundgren (Harvard)
+
|Gan Luo (Albany), Fangqun Yu (Albany)
−
|Structural
+
|Wet Deposition
 
|
 
|
  
Line 601: Line 597:
  
 
|-valign="top"
 
|-valign="top"
−
|Snow / Icy Bromine
+
|ML algorithms for bulk aerosol
−
|Becky Alexander (UW)<br>William Swanson (U. Alaska)<br>Shuting Zhai (UW)
+
|Arshad Nair and Fangqun Yu (SUNY Albany)
−
|Chemistry
+
|Aerosols
 
|
 
|
 +
  
 
|-valign="top"
 
|-valign="top"
−
|Monoterpene oxidation scheme
+
|Heterogeneous sulfate chemistry
−
|Jessica Haskins (MIT)
+
|Katie Travis
 
|Chemistry
 
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Fire related VOCs including furans
+
|H2 as an active species
−
|Lu Hu (UMT)<br>Lixu Jin (UMT)
+
|Seb Eastham (IC)
 
|Chemistry
 
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Extension of UCX into the mesosphere
+
|HCN, acetonitrile as fire tracers
−
|Seb Eastham (MIT)<br>Eric Fleming (NASA)
+
|Kevin Bates (CU Boulder)
 
|Chemistry
 
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Methane flux ingestion
+
|Implement ethane in carbon simulation
−
|Eloise Marais (UCL)
+
|Yuzhong Zhang (Westlake)
 
|Chemistry
 
|Chemistry
 
|
 
|
 +
 +
 +
  
 
|-valign="top"
 
|-valign="top"
−
|Parameterized effective radius
+
|VCPs emissions
−
|Haihui Zhu (WashU)
+
|Kelvin Bates (CU Boulder)
−
|Aerosols
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Dust non-sphericity impacts on surface chem and optical properties
+
|Mesospheric source of CO
−
|Inderjeet Singh (WashU)
+
|Dylan Jones (UofT), Pam Wales (GSFC)
−
|Aerosols
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Size-resolved stratospheric aerosol
+
|Drought-stress algorithm
−
|Seb Eastham (MIT)
+
|Wei Li (U. Houston)
−
|Aerosols
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Extend aerosol settling
+
|Physically-based resolution correction for BVOC emissions using MEGAN
−
|Eloise Marais (UCL)
+
|May Fu (SUSTech)
−
|Aerosols
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Stratospheric aerosol APM
+
|Canadian forest fire prediction system (Canada government forecast model)
−
|Fangqun Yu (SUNY)
+
|Robin (Montreal)
−
|Aerosols
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Plume-in-grid model
+
|Furan emission factors (updates existing emissions)
−
|Hongwei Sun (Harvard)
+
|Lu Hu/Lixu Jin (Montana)
−
|Chemistry
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Updated lightning NOx: Prescribe from ground and geostationary lightning flashes
+
|Cooking emissions (not biofuel)
−
|Lee Murray (Rochester)
+
|Kelvin Bates (CU Boulder)
 
|Emissions
 
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Seb aircraft emissions beyond recent 2019 update
+
|State-specific annual emissions scaling factors (US) (1990-2021)
−
|Seb Eastham (MIT)
+
|Ishir Dutta (MIT)
 
|Emissions
 
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|FRP-based fire emsisions for eastern US at 0.2 deg
+
|GISS-GC online
−
|Charlie Fite (FSU)
+
|Lee Murray (Rochester)
−
|Emissions
+
|External model
 
|
 
|
 +
 +
  
 
|-valign="top"
 
|-valign="top"
−
|Hg iodine chemistry
+
|Hybrid MPI-OpenMP in GCHP
−
|Yiming Fu<br>Yanxu Zhang (Nanjing U.)
+
|Seb Eastham (MIT); Killian Murphy (York); Lizzie Lundgren (Harvard)
−
|Hg simulation
+
|GCHP
 
|
 
|
 +
  
 
|-valign="top"
 
|-valign="top"
−
|Hg simulation in GCHP
+
|MAPL3: Update to MAPL3 in GCHP, including replacement of ExtData.rc and HISTORY.rc with YAML files
−
|Ari Feinberg (MIT)<br>Lyssa Freese (MIT)
+
|Lizzie Lundgren (Harvard)
−
|Hg simulation
+
|GCHP
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Update Hg ocean and soil boundary conditions for consistency with new chemistry
+
|MAPL3: Comply with MAPL "positive" standard in GCHP diagnostic files
−
|Yanxu Zhang (Nanjing U.)
+
|Lizzie Lundgren (Harvard)
−
|Hg simulation
+
|GCHP
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Dry deposition diagnostics by land cover
+
|MAPL3: Wildcards in GCHP History
−
|Holly Nowell (FSU)
+
|Lizzie Lundgren (Harvard)
−
|Diagnostics
+
|GCHP
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Dry deposition process diagnostics
+
|MAPL3: Output emissions with positive up convention in GCHP
−
|Holly Nowell (FSU)
+
|Lizzie Lundgren (Harvard)
−
|Diagnostics
+
|GCHP
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Isotope simulation for CO and CH4 in GCHP
+
|Assessment/improvement of OpenMP performance in GC-Classic and HEMCO standalone
−
|Lee Murray (Rochester)
+
|Bob Yantosca (Harvard)
−
|Carbon simulation
+
|Performance
 
|
 
|
 +
 +
  
 
|-valign="top"
 
|-valign="top"
−
|Updated bottom-up global CH4 oil, gas, and coal emissions (GFEI v3)
+
|Photophysical oxidation of aldehydes
−
|Melissa Sulprizio (Harvard)<br>Tia Scarpelli (U. Edinburgh)<br>Zichong Chen (Harvard)
+
|Paulo Sebastianelli/Jenny Fisher (University of Wollongong)
−
|Emissions<br>CH4 simulation
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Separate mixing and emissions
+
|DMS updates
−
|Bob Yantosca (Harvard)
+
|Will Porter (UCR)
−
|Structural
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Modularization of aerosols code for interface with GOCART in GEOS
+
|Furans emission and chemistry
−
|Christoph Keller (GMAO)
+
|Lixu Jin/Lu Hu(U Montana)
−
|Structural
+
|Chemistry + <br>Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Migrating simple SOA formation from carbon_mod.F90 into the KPP "full-chemistry" mechanism
+
|Cl2 prodcution from Fe aerosol Qianjie Chen
−
|Bob Yantosca (Harvard)
+
|(Hong Kong Poly)/Becky Alexander (UW)
−
|Structural
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Improve load balancing in GCHP
+
|VCP, cooking: tracers species added i.e., D5, ethanol affecting PAN
−
|Seb Eastham (MIT)
+
|Kevin Bates (CU Boulder)
−
|Model performance
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Update to MAPL 3 in GCHP, including replacement of ExtData.rc with YAML file
+
|bidirectional land-atmosphere exchange for Hg
−
|Lizzie Lundgren (Harvard)
+
|Yuying Cui (MIT/Tsinghua)
−
|Structural
+
|Hg simulation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Assessment/improvement of OpenMP performance in GC-Classic and HEMCO standalone
+
|OH covariances for inversions
−
|Bob Yantosca (Harvard)
+
|Elise Penn (Harvard)
−
|Model performance
+
|Inversions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Limit allocation of State_Met to what is needed per simulation
+
|CESM2-GC offline
−
|Melissa Sulprizio (Harvard)
+
|Seb Eastham (ICL); Lee Murray (Rochester)
−
|Structural
+
|Met fields
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Make frequency of HEMCO restart file configurable
+
|Re-binning of off-line sea salt and dust for TOMAS
−
|Melissa Sulprizio (Harvard)
+
|Betty Croft (Dalhousie)
−
|Diagnostics
+
|Microphysics
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Apply masks/scaling in HEMCO based on input category or flag
+
|TOMAS nucleation updates
−
|Melissa Sulprizio (Harvard)
+
|Sam O'Donnell (CSU)
 +
|Microphysics
 +
|
 +
 
 +
|-valign="top"
 +
|Stratospheric aerosol APM
 +
|Fangqun Yu (SUNY Albany)
 +
|Microphysics
 +
|
 +
 
 +
|-valign="top"
 +
|Transition from MERRA-2 to GEOS-IT for benchmarking
 +
|Yuanjian Zhang (WashU)
 +
|Quality Assurance
 +
|
 +
 
 +
|-valign="top"
 +
|Automate integration testing on AWS
 +
|Yidan Tang (WashU)
 +
|Quality Assurance
 +
|
 +
 
 +
|-valign="top"
 +
|Integration testing: Add across end of year run
 +
|GCST
 +
|Quality Assurance
 +
|
 +
 
 +
|-valign="top"
 +
|Integration testing: Add GEOS-IT
 +
|Yuanjian Zhang (WashU)
 +
|Quality Assurance
 +
|
 +
 
 +
|-valign="top"
 +
|Separate mixing, emissions, and drydep
 +
|Yuanjian Zhang (WashU)
 
|Structural
 
|Structural
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Testing the use of monthly mean MERRA-2 CWC with Pb-210 aerosol tracer
+
|Intel IFX compiler
−
|Bo Zhang (NIA)<br>Hongyu Liu (NIA / NASA Langley)
+
|Bob Yantosca (Harvard)
−
|Transport
+
|Structural
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Testing the use of a new scavenging parameterization developed by Luo and Yu for cold cloud with Pb-210 aerosol tracer
+
|CMake option to only build libraries but not executable, also passing C-preprocessor statements to turn off code
−
|Gan Luo (SUNY Albany)<br>Fangqun Yu (SUNY-Albany)
+
|Bob Yantosca (Harvard); Lee Murray (Rochester)
−
|Transport
+
|Structural
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Evaluate vertical mixing in GEOS-Chem with model-model and model-observation comparisons
+
|Remove differences introduced when breaking up GC-Classic runs in time; and flexible precision in HEMCO
−
|Seb Eastham (MIT)<br>Clara Orbe (NASA GISS)<br>Andrew Schuh (CSU)
+
|Lizzie Lundgren (Harvard)
−
|Transport
+
|Structural
 +
|
 +
 
 +
|-valign="top"
 +
|Limit allocation of State_Met to what is needed per simulation
 +
|Melissa Sulprizio (Harvard)
 +
|Structural
 
|
 
|
  
Line 810: Line 857:
 
!width="100px"|Model scope
 
!width="100px"|Model scope
 
!width="420px"|Notes and References
 
!width="420px"|Notes and References
−
 
  
 
|-valign="top"
 
|-valign="top"
−
|[https://github.com/geoschem/geos-chem/issues/1288 New soil NOx parameterization]
+
|Modal aerosol model (MAM7) in GCHP
−
|Yi Wang (U. Iowa)<br>Jun Wang (U. Iowa)
+
|Shreya Sharma (MIT)
−
|Emissions
+
|Aerosols
 
|
 
|
−
*See [https://github.com/geoschem/geos-chem/issues/1288 geoschem/geos-chem #1288]
 
−
*[https://github.com/geoschem/geos-chem/issues/1288#issuecomment-1255103962 NOTE: This feature has been tabled for the time being.]
 
  
 
|-valign="top"
 
|-valign="top"
−
|Updates to Aromatic chemistry
+
|Online OCIM ocean biogeochemistry
−
|Stephen MacFarlane (UOW)<br>Jenny Fisher (UOW)
+
|Lee Murray (Rochester); Hannah Horowitz (UIUC); Chris Holmes (FSU)
 
|Chemistry
 
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Nitrate photolysis
+
|Perchlorate chemistry
−
|Mat Evans (York)<br>Thomas Sherwen (York)<br>Matthew Rowlinson (York)
+
|Yuk Chun Chan (UW)
 
|Chemistry
 
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|In aerosol chemistry Halogens
+
|Non-stomatal dry deposition (2-layer canopy model)
−
|Mat Evans (York)<br>Hansen Cao (CU Boulder)
+
|Michael Vermeuel (Purdue)
−
|Chemistry
+
|Dry Deposition
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Benchmark box model of GC Chemistry
+
|Continental chloride particle emissions (salty dust, road salt)
−
|Katie Travis (NASA)
+
|Jessica Haskins (Utah)
−
|Chemistry
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Alkyl nitrates Alk7, PHAN
+
|Multivolatility emission inventory to address gaps in EDGAR/HTAP etc.
−
|Katie Travis (NASA)
+
|Ruochong (Tshingua)
 +
|Emissions
 +
|
 +
 
 +
|-valign="top"
 +
|Lightning NOx production rates
 +
|Bex Horner (UCL)
 +
|Emissions
 +
|
 +
 
 +
|-valign="top"
 +
|HFO and CF3CHO
 +
|Beth Killen/Jenny Fisher (University of Wollongong)
 
|Chemistry
 
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Add stratospheric ozone species to full-chemistry simulations
+
|Glyoxal updates from isoprene
−
|Lee Murray (Rochester)
+
|Tzung-May Fu (SUSTech)
 
|Chemistry
 
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Perchlorate chemistry
+
|Iodine chemistry
−
|Yuk Chun Chan (UWAB)
+
|Becky Alexander (UW)/Xuan Wang (cityU HK)
 
|Chemistry
 
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Explicit heterogeneous sulfate chemistry
+
|Chlorine/Perchlorate
−
|Katie Travis (NASA)<br>Becky Alexander (UT)
+
|Yukchun Chan (UW)
 
|Chemistry
 
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|ISORROPIA-lite
+
|Playa dust chemistry to improve Cl over land
−
|Becky Alexander (UW)
+
|Jessica Haskins (Utah)
−
|Aerosols
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|HOx and ozone "emissions" from lightning as option in model to play with
+
|GFED5 biomass burning
−
|Jingqiu (Alaska)<br>Lee Murray (Rochester)
+
|Eric Roy (MIT)
 
|Emissions
 
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Sea salt aerosol from sea ice leads
+
|Ocean Hg surface concentrations for 2010-2020 from multi-model ensemble
−
|Hannah Horowitz (U. Illinois)
+
|Eric Roy (MIT)/Ari Feinberg (IQF-CSIC)
−
|Emissions
+
|Hg simulation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Drought-stress algorithm
+
|Soil Hg emissions 2010-2020
−
|Wei Li (U. Houston)
+
|Eric Roy (MIT)/Ari Feinberg (IQF-CSIC)
 +
|Hg simulation
 
|
 
|
 +
 +
|-valign="top"
 +
|Air-sea exchange parameterization
 +
|Eric Roy (MIT)
 +
|Hg simulation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Biomass burning injection height profiles
+
|Soil Hg emissions parameterization
−
|Inderjeet Singh (WashU)
+
|Ari Feinberg (IQF-CSIC)
−
|Emissions
+
|Hg simulation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|OCIM integration
+
|Sea salt uptake of GOM
−
|Chris Holmes (FSU)<br>Lee Murray (Rochester)
+
|Eric Roy (MIT)
 +
|Hg simulation
 
|
 
|
 +
 +
|-valign="top"
 +
|Photoreduction rate constant
 +
|Eric Roy (MIT)
 +
|Hg simulation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Updating landcover products in GEOS-Chem
+
|new observations (2010-2020) in standardized Hg benchmark for intercomparison
−
|Chris Holmes (FSU)<br>Jeff Geddes (BU)
+
|Eric Roy (MIT)/Ari Feinberg (IQF-CSIC)
 +
|Hg simulation
 +
|
 +
 
 +
|-valign="top"
 +
|Hg simulation in GCHP
 +
|Eric Roy (MIT)
 +
|Hg simulation
 +
|
 +
 
 +
|-valign="top"
 +
|OCIM - biogeochemical model - (C/P/N/Fe - no Hg yet) (MATLAB)
 +
|Hannah Horowitz (UIUC)
 +
|Hg simulation
 +
|
 +
 
 +
|-valign="top"
 +
|possibly updating Hg oxidation chemistry based on Utah field campaigns
 +
|Jessica Haskins (Utah)
 +
|Hg simulation
 +
|
 +
 
 +
|-valign="top"
 +
|New halogen/aerosol fields (surface area / AOD) from 10-year 14.4 benchmark simulation available online
 +
|Viral Shah (NASA GMAO); Eric Roy (MIT); Ari Feinberg (IQF-CSIC)
 
|Input data
 
|Input data
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Dry deposition physical improvement
+
|Extend IMI to CO2 (ICI)
−
|Chris Holmes (FSU)
+
|Hannah Nesser (JPL)  
−
|Dry deposition
+
|Inversions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Extend the IMI system to other trace gases
+
|Global emission inventory of metals
−
|Lucas Estrada (Harvard)
+
|Tzung-May Fu (SUSTech); He Zhong Tian (Peking Normal U)
−
|Adjoint capabilities
+
|Metals simulation
 
|
 
|
  
 +
|-valign="top"
 +
|Investigate and improve performance of aerosol chemistry
 +
|Bob Yantosca (Harvard)
 +
|Performance
 +
|
  
 
|-valign="top"
 
|-valign="top"
−
|TOMAS WRF-GC in regional Thailand simulation
+
|PAH - update from version 11
−
|Win Trivitayanurak (Chulalongkorn U)
+
|Lexia Cicone (MIT)
−
|Aerosols
+
|POPs simulation
 
|
 
|
  
−
|}
+
|-valign="top"
 +
|Species database more accessible; doc updates; TOL discussion
 +
|Jessica Haskins (Utah)
 +
|Structural
 +
|
  
−
----------------
+
|-valign="top"
 +
|Stretched-grid plotting in GCPy
 +
|Killian Murphy (York)
 +
|Tools
 +
|
  
−
'''''[[Main_Page|GEOS-Chem Main Page]] | [[GCHP_Main_Page|GCHP Main Page]]'''''
+
|-valign="top"
 +
|Model inter-comparison of transport (GEOS, GCHP, GCClassic)
 +
|Lizzie Lundgren (Harvard), Emma Knowland (NASA)
 +
|Transport
 +
|
 +
 
 +
|-valign="top"
 +
|Comparing mass fluxes in GCHP vs. traditional lat/lon wind
 +
|Yuanjian Zhang (WashU), Seb Eastham (ICL)
 +
|Transport
 +
|
 +
 
 +
|}

Latest revision as of 14:19, 25 June 2024

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.

Merged and awaiting release

See the links below for items merged and awaiting release.

Mergeable at any time Version in development
GEOS-Chem no-diff-to-benchmark GEOS-Chem 14.5.0

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
New soil NOx parameterization Yi Wang (U. Iowa)
Jun Wang (U. Iowa) 		Emissions Medium
Horizontal flux regridding fix in MAPL Tom Clune (GMAO) GCHP Medium
Cloud-J 7.7.2 for greater flexibility in external models Lizzie Lundgren (Harvard) Photolysis Medium
GCHP run directory improvements for mass flux, stretched grid, and GEOS-IT runs Lizzie Lundgren (Harvard) GCHP Medium
Fixes for GEOS-Chem 14.4 in CESM Haipeng Lin (Harvard)
Lizzie Lundgren (Harvard) 		CESM Medium

Prioritized and in the queue

Features listed in this table are prioritized for integration into GEOS-Chem in the near future.

Feature Contributor(s) Model scope Ease of implementation Delivery status Notes and References
ALK4 & R4N2 chemistry Jared Brewer (UMN) Chemistry TBD Delivered
New version of CEDS at 0.1 deg Dandan Zhang (WashU) Emissions Simple Delivered June 2024
Remove differences in GC-Classic due to HEMCO reading REAL8 restart as REAL4 Lizzie Lundgren (Harvard) GC-Classic Medium

Ready to go in

Features listed in this table are ready to go in but have either not been delivered or are not yet prioritized for integration into GEOS-Chem.

Feature Contributor(s) Model scope Delivery status Notes and Refereneces


Binary Activity Thermodynamic (BAT) model for non-ideal mixing of water and organics in organic aerosol Camilo Serrano and Andreas Zuend (McGill) Aerosols Not delivered
Extend aerosol settling Eloise Marais (UCL) Aerosols Not delivered
Comment back in Ca, Mg, and K cations in aerosol thermo (HETP) Becky Alexander (UW) Aerosols Not delivered
Seasalt aerosol from sea ice leads (2002-2011) Hannah (UIUC) Aerosols Not delivered
P/L species should not contribute to the error norm Obin Sturm (PSC) Chemistry Not delivered
Additional 6 peroxynitrates (many PANs like species); improve ALK4 & add ALK6 Katherine Travis (NASA LARC) Chemistry Not delivered
Monoterpene oxdation more species & oxdiation products Kevin Bates (CU Boulder) Chemistry Not delivered
PPN photolysis Eloise Marais (University College London) Chemistry Not delivered
global orgainc N dep from various emissions; nitrate aromatics updates Tzung-May Fu (SUSTech) Chemistry +
Deposition 		Not delivered
adaptive chemistry (domain-specific) in WRF-GC Tzung-May Fu (SUSTech) Chemistry Not delivered
Alk4 from biogenic vs anthro Jared Brewer (UMN) Chemistry Not delivered
Dry deposition to F90 (readability) Chris Holmes (FSU) Dry Deposition Not delivered
Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange Joey Lam, Amos Tai (CUHK) Dry deposition Not delivered
FRP-based fire emissions for eastern US at 0.2 Chris Holmes (FSU) Emissions Not delivered
China agriculture NH3 emissions Amos Tai (CUHK) Emissions Not delivered
T-dependent anthropogenic VOCs May Fu (SUSTech) Emissions Not delivered
Rasterized shapefiles high-resolution for oil and gas infrastructure in North America Lee Murray (Rochester) Emissions Not delivered
New soil NOx parameterization Yi Wang (U. Iowa), Jun Wang (U. Iowa) Emissions Not delivered
New source functions for transport tracers beryllium-7 and beryllium-10 Minjie Zheng (ETH) Emissions Not delivered
LPJ land cover (global), fire (W US), dust emissions (SW N America), 1700-2100 Yang Li (Baylor University), Loretta Mickley (Harvard) Emissions Not delivered
Australian emissions Stephen MacFarlane/Jenny Fisher (UWollongong) Emissions Not delivered
Geogenic emissions (volcanic, rock weathering) Eric Roy (MIT) Emissions Not delivered
Biomass burning - FINN2.5 & GFED4 Eric Roy (MIT) Emissions Not delivered
BCC-GC online Lin Zhang (PKU) External Model Not delivered
GC-YIBS with online fire emissions Xu Yue; Hong Liao; Xu Yue (NUIST) External Model Not delivered
GISS-GC offline (GCAP) Lee Murray (Rochester) GCAP Not delivered
Archived TCR-2 OH fields for carbon simulations Kazu Miyazaki (JPL) Input data Not delivered
GOOPy (General Observation Operator in Python): for processing satellite and model output to produce column fields using averaging kernels Hannah Nesser (JPL) , Elise Penn (Harvard) Tools Not delivered
  • Could be added into GCPy as a Git submodule

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


Capture all trop and PBL height changes in budget diagnostics Chris Holmes (FSU)
Lizzie Lundgren (Harvard) 		Diagnostics
Dust non-sphericity impacts on optical properties Inderjeet Singh (WashU) Aerosols
Fixes to stratospheric aerosol settling Connor Barker, Eloise Marais (UCL) Aerosols
DMS chemistry in v14 Linia Tashmim and Will Porter (UC Riverside) Chemistry
KPP standalone + 3D Interface Obin Sturm (PSC) Chemistry
Load balancing in chemistry solver (GCHP) Zhouran (Jordan) Sun (WashU) Chemistry +
Performance
UCX chemistry in mesosphere (GCHP/GCClassic) Helena McDonald (MIT) Chemistry
Updated aromatic oxidation Stephen MacFarlane/Jenny Fisher (University of Wollongong) Chemistry
MCO3 uptake by cloud forming MP; leading to lower PAN Laura Yang (Harvard) Chemistry
Implement isotope simulation for CH4 in the carbon simulation Lee Murray (Rochester) Chemistry
Active mesospheric chemistry Helena McDonald (MIT), Seb Eastham (IC) Chemistry
Documentation for adding additional aerosol species Connor Barker (UCL) Documentation
Column diagnostics Lizzie Lundgren (Harvard), Viral Shah (GMAO) Diagnostics
TOMAS rate diagnostics -- improve performance Betty Croft (WashU/Dal) Diagnostics +
Performance
Fix obspack - not working in 14.4.0 Bob Yantosca (Harvard) Diagnostics
Archive gamma values from heterogeneous chemistry Bob Yantosca (Harvard) Diagnostics
RRTMG Documentation GCST Documentation
Canopy Physics Model Sam Silva (MIT) Dry Deposition
Dry deposition diagnostics by land cover Holly Nowell, Chris Holmes (FSU) Dry Deposition
Dry deposition process diagnostics Holly Nowell, Chris Holmes (FSU) Dry Deposition
Biomass burning for TOMAS Nicole June (CSU) Emissions +
Microphysics
Historic biomass burning () Pengfei (Gtech) Emissions
Rice methane Zichong Cheng (Harvard) Emissions
Fire and anthropogenic emissions not currently turned on (monoterpenes, 1-butadiene etc.) Katie Travis / Kelvin Bates Emissions
Updated bottom-up global CH4 oil, gas, and coal emissions (GFEI v3) Melissa Sulprizio (Harvard), Tia Scarpelli (Carbon MAPPER) Emissions
New prior biospheric fluxes from CMS-FLUX and GMAO Kevin Bowman (JPL), Lesley Ott (GMAO) Emissions
Snowpack Br2 emission Chris Holmes (FSU) Emissions
EDGAR v8.1_toxHg emissions for 1970-2022 Eric Roy (MIT) Emissions
Improve pressure handling in GCHP advection Yuanjian Zhang (WashU), Seb Eastham (ICL) GCHP
Add error trap for duplicate scale factors in HEMCO Bob Yantosca (Harvard) HEMCO
Fix pressure handling in HEMCO standalone Melissa Sulprizio (Harvard) HEMCO
Integration testing: Add stretched grid Lizzie Lundgren (Harvard) Quality Assurance
Integration testing: Add GCAP2 GCST Quality Assurance
Integration testing: Add GCHP mass flux run Lizzie Lundgren (Harvard) Quality Assurance
Integration testing: Add run with all diagnostics turned on GCST Quality Assurance
Integration testing: Reinstate TOMAS40 Betty Croft (Dalhousie/WashU) Quality Assurance
Strat-adjusted RF in GCC and GCHP Connor Barker, Eloise Marais (UCL) Radiation
Continue cleanup of C-preprocessor switches Lizzie Lundgren (Harvard) Structural
updates to Luo deposition scheme Gan Luo Wet Deposition
Testing the use of a new scavenging parameterization developed by Luo and Yu for cold cloud with Pb-210 aerosol tracer Gan Luo (Albany), Fangqun Yu (Albany) Wet Deposition

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
ML algorithms for bulk aerosol Arshad Nair and Fangqun Yu (SUNY Albany) Aerosols


Heterogeneous sulfate chemistry Katie Travis Chemistry
H2 as an active species Seb Eastham (IC) Chemistry
HCN, acetonitrile as fire tracers Kevin Bates (CU Boulder) Chemistry
Implement ethane in carbon simulation Yuzhong Zhang (Westlake) Chemistry



VCPs emissions Kelvin Bates (CU Boulder) Emissions
Mesospheric source of CO Dylan Jones (UofT), Pam Wales (GSFC) Emissions
Drought-stress algorithm Wei Li (U. Houston) Emissions
Physically-based resolution correction for BVOC emissions using MEGAN May Fu (SUSTech) Emissions
Canadian forest fire prediction system (Canada government forecast model) Robin (Montreal) Emissions
Furan emission factors (updates existing emissions) Lu Hu/Lixu Jin (Montana) Emissions
Cooking emissions (not biofuel) Kelvin Bates (CU Boulder) Emissions
State-specific annual emissions scaling factors (US) (1990-2021) Ishir Dutta (MIT) Emissions
GISS-GC online Lee Murray (Rochester) External model


Hybrid MPI-OpenMP in GCHP Seb Eastham (MIT); Killian Murphy (York); Lizzie Lundgren (Harvard) GCHP


MAPL3: Update to MAPL3 in GCHP, including replacement of ExtData.rc and HISTORY.rc with YAML files Lizzie Lundgren (Harvard) GCHP
MAPL3: Comply with MAPL "positive" standard in GCHP diagnostic files Lizzie Lundgren (Harvard) GCHP
MAPL3: Wildcards in GCHP History Lizzie Lundgren (Harvard) GCHP
MAPL3: Output emissions with positive up convention in GCHP Lizzie Lundgren (Harvard) GCHP
Assessment/improvement of OpenMP performance in GC-Classic and HEMCO standalone Bob Yantosca (Harvard) Performance


Photophysical oxidation of aldehydes Paulo Sebastianelli/Jenny Fisher (University of Wollongong) Chemistry
DMS updates Will Porter (UCR) Chemistry
Furans emission and chemistry Lixu Jin/Lu Hu(U Montana) Chemistry +
Emissions
Cl2 prodcution from Fe aerosol Qianjie Chen (Hong Kong Poly)/Becky Alexander (UW) Chemistry
VCP, cooking: tracers species added i.e., D5, ethanol affecting PAN Kevin Bates (CU Boulder) Emissions
bidirectional land-atmosphere exchange for Hg Yuying Cui (MIT/Tsinghua) Hg simulation
OH covariances for inversions Elise Penn (Harvard) Inversions
CESM2-GC offline Seb Eastham (ICL); Lee Murray (Rochester) Met fields
Re-binning of off-line sea salt and dust for TOMAS Betty Croft (Dalhousie) Microphysics
TOMAS nucleation updates Sam O'Donnell (CSU) Microphysics
Stratospheric aerosol APM Fangqun Yu (SUNY Albany) Microphysics
Transition from MERRA-2 to GEOS-IT for benchmarking Yuanjian Zhang (WashU) Quality Assurance
Automate integration testing on AWS Yidan Tang (WashU) Quality Assurance
Integration testing: Add across end of year run GCST Quality Assurance
Integration testing: Add GEOS-IT Yuanjian Zhang (WashU) Quality Assurance
Separate mixing, emissions, and drydep Yuanjian Zhang (WashU) Structural
Intel IFX compiler Bob Yantosca (Harvard) Structural
CMake option to only build libraries but not executable, also passing C-preprocessor statements to turn off code Bob Yantosca (Harvard); Lee Murray (Rochester) Structural
Remove differences introduced when breaking up GC-Classic runs in time; and flexible precision in HEMCO Lizzie Lundgren (Harvard) Structural
Limit allocation of State_Met to what is needed per simulation Melissa Sulprizio (Harvard) Structural

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
Modal aerosol model (MAM7) in GCHP Shreya Sharma (MIT) Aerosols
Online OCIM ocean biogeochemistry Lee Murray (Rochester); Hannah Horowitz (UIUC); Chris Holmes (FSU) Chemistry
Perchlorate chemistry Yuk Chun Chan (UW) Chemistry
Non-stomatal dry deposition (2-layer canopy model) Michael Vermeuel (Purdue) Dry Deposition
Continental chloride particle emissions (salty dust, road salt) Jessica Haskins (Utah) Emissions
Multivolatility emission inventory to address gaps in EDGAR/HTAP etc. Ruochong (Tshingua) Emissions
Lightning NOx production rates Bex Horner (UCL) Emissions
HFO and CF3CHO Beth Killen/Jenny Fisher (University of Wollongong) Chemistry
Glyoxal updates from isoprene Tzung-May Fu (SUSTech) Chemistry
Iodine chemistry Becky Alexander (UW)/Xuan Wang (cityU HK) Chemistry
Chlorine/Perchlorate Yukchun Chan (UW) Chemistry
Playa dust chemistry to improve Cl over land Jessica Haskins (Utah) Chemistry
GFED5 biomass burning Eric Roy (MIT) Emissions
Ocean Hg surface concentrations for 2010-2020 from multi-model ensemble Eric Roy (MIT)/Ari Feinberg (IQF-CSIC) Hg simulation
Soil Hg emissions 2010-2020 Eric Roy (MIT)/Ari Feinberg (IQF-CSIC) Hg simulation
Air-sea exchange parameterization Eric Roy (MIT) Hg simulation
Soil Hg emissions parameterization Ari Feinberg (IQF-CSIC) Hg simulation
Sea salt uptake of GOM Eric Roy (MIT) Hg simulation
Photoreduction rate constant Eric Roy (MIT) Hg simulation
new observations (2010-2020) in standardized Hg benchmark for intercomparison Eric Roy (MIT)/Ari Feinberg (IQF-CSIC) Hg simulation
Hg simulation in GCHP Eric Roy (MIT) Hg simulation
OCIM - biogeochemical model - (C/P/N/Fe - no Hg yet) (MATLAB) Hannah Horowitz (UIUC) Hg simulation
possibly updating Hg oxidation chemistry based on Utah field campaigns Jessica Haskins (Utah) Hg simulation
New halogen/aerosol fields (surface area / AOD) from 10-year 14.4 benchmark simulation available online Viral Shah (NASA GMAO); Eric Roy (MIT); Ari Feinberg (IQF-CSIC) Input data
Extend IMI to CO2 (ICI) Hannah Nesser (JPL) Inversions
Global emission inventory of metals Tzung-May Fu (SUSTech); He Zhong Tian (Peking Normal U) Metals simulation
Investigate and improve performance of aerosol chemistry Bob Yantosca (Harvard) Performance
PAH - update from version 11 Lexia Cicone (MIT) POPs simulation
Species database more accessible; doc updates; TOL discussion Jessica Haskins (Utah) Structural
Stretched-grid plotting in GCPy Killian Murphy (York) Tools
Model inter-comparison of transport (GEOS, GCHP, GCClassic) Lizzie Lundgren (Harvard), Emma Knowland (NASA) Transport
Comparing mass fluxes in GCHP vs. traditional lat/lon wind Yuanjian Zhang (WashU), Seb Eastham (ICL) Transport
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