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

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(→‎List of priorities as of May 2017)
(→‎Feature integration in progress)
 
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On this page we list the current priorities for GEOS-Chem development. This list was compiled by the user Working Groups at the last [http://acmg.seas.harvard.edu/geos/meetings/2017/index.html International GEOS-Chem Meeting (IGC8)] in May 2017 and will be continuously updated based on code readiness and input from the Working Groups and the Steering Committee.
+
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''']].
  
−
We also invite you to view our [https://trello.com/board/geos-chem-support-team/4fe36668fc79a1d3540ba80b GEOS-Chem Support Team project management board on Trello.com], which shows the current GCST workflow.
+
== Merged and awaiting release ==
  
−
== List of priorities as of May 2017 ==
+
See the links below for items merged and awaiting release.
  
−
The items listed below are in different stages of readiness and will be included in future versions of the model.
+
{| border=1 cellspacing=0 cellpadding=5
 +
|-bgcolor="#CCCCCC"
 +
!width="300px"|Mergeable at any time
 +
!width="200px"|Version in development
  
−
=== Awaiting release ===
+
|-valign="top"
 +
|align="center"|'''[[GEOS-Chem no-diff-to-benchmark]]'''
 +
|align="center"|'''[[GEOS-Chem 14.5.0]]'''
  
−
Items awaiting release will be part of the next version release of GEOS-Chem and are actively being incorporated into the standard model and benchmarked. More information on those items can be obtained on the [[GEOS-Chem v11-02]] wiki page.
+
|}
  
−
{| border=1 cellspacing=0 cellpadding=5
+
== Feature integration in progress ==
−
|- bgcolor="#cccccc"
+
−
!width="400px"|Item
+
−
!width="300px"|Author(s)
+
−
!width="400px"|Status
+
  
−
|- bgcolor="#ccffff"
+
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.
−
!colspan="3"|Science updates
+
  
−
|-valign="top"
+
{| border=1 cellspacing=0 cellpadding=5
−
|[[Updates_in_JPL_Publication_15-10|Updating chemistry rate constants based on ''JPL Publication 15-10'']]
+
|-bgcolor="#CCCCCC"
−
|Barron Henderson (U. Florida)<br>Mat Evans (U. York)<br>[[Chemistry Issues|Oxidants and Chemistry WG]]
+
!width="200px"|Feature
−
|
+
!width="200px"|Contributor(s)
−
*Included in [[GEOS-Chem v11-02#v11-02a|v11-02a]] (Approved 12 May 2017)
+
!width="100px"|Model scope
 +
!width="100px"|Ease of implementation
 +
!width="300px"|Notes and References
  
 
|-valign="top"
 
|-valign="top"
−
|[[PAN|PAN updates ]], including:
+
|ALK4 & R4N2 chemistry
−
*Updates to emissions, deposition, species, chemistry
+
|Jared Brewer (UMN)
−
*Ocean+biogenic ALD2 emissions from Millet al. [2010]
+
|Chemistry
−
|Emily Fischer (CSU)
+
|Simple
 
|
 
|
−
*Included in [[GEOS-Chem v11-02#v11-02a|v11-02a]] (Approved 12 May 2017)
+
*[https://github.com/geoschem/geos-chem/pull/2352 geos-chem PR #1625]
 +
*[https://acmg.seas.harvard.edu/files/acmg/files/brewer2022.pdf Brewer, J.F. et al., J. Geophys. Res., 2023.]
  
 
|-valign="top"
 
|-valign="top"
−
|[[EPA/NEI11_North_American_emissions#Monthly_mean_emissions|Monthly mean NEI2011 emissions]]
+
|Fix pressure handling in HEMCO standalone
−
|[[GCST]]<br>Katie Travis (Harvard)
+
|Melissa Sulprizio (Harvard)
 +
|HEMCO
 +
|Simple
 
|
 
|
−
*Included in [[GEOS-Chem v11-02#v11-02a|v11-02a]] (Approved 12 May 2017)
+
*[https://github.com/geoschem/HEMCO/issues/277 HEMCO issue #277]
  
 
|-valign="top"
 
|-valign="top"
−
|Enhance default GEOS-Chem simple SOA
+
|Uncomment zeroed out Ca, Mg, and K cations passed to aerosol thermo (HETP)
−
|Sal Farina (Colorado State)<br>Aerosol Working Group Chairs
+
|Becky Alexander (UW)
 +
|Aerosols
 +
|Simple
 
|
 
|
−
*Included in [[GEOS-Chem v11-02#v11-02c|v11-02c]] (Approved 21 Sep 2017)
+
*[https://github.com/geoschem/geos-chem/pull/2398 geos-chem PR #2398]
  
 
|-valign="top"
 
|-valign="top"
−
|Updates to isoprene chemistry, includes:
+
|Add 1/2-degree GC-Classic global transport tracer run directory option for GEOS-IT
−
*Fast photolysis of carbonyl nitrates
+
|Lizzie Lundgren (Harvard)
−
*Aerosol uptake of organic nitrates
+
|Run directories
−
*Updated organic deposition
+
|Simple
−
*Remove dependence of species drydep on HNO3 drydep
+
−
|Jenny Fisher (U. Wollongong)<br>Elo&iuml;se Marais (Harvard)<br>Katie Travis (Harvard)<br>Kelvin Bates (Caltech)<br>Rebecca Schwantes(Caltech)
+
 
|
 
|
−
*Included in [[GEOS-Chem v11-02#v11-02c|v11-02c]] (Approved 21 Sep 2017)
+
*[https://github.com/geoschem/geos-chem/pull/2397 geos-chem PR #2397]
  
 
|-valign="top"
 
|-valign="top"
−
|[http://acmg.seas.harvard.edu/publications/2016/Marais_SEUS_isopSOA_ACP_2016.pdf Add aqueous isoprene uptake to SOA scheme]
+
|[https://github.com/geoschem/geos-chem/issues/1288 New soil NOx parameterization]
−
|Eloise Marais (Harvard)
+
|Yi Wang (Iowa)<br>Jun Wang (Iowa)
 +
|Emissions
 +
|Medium
 
|
 
|
−
*Included in [[GEOS-Chem v11-02#v11-02c|v11-02c]] (Approved 21 Sep 2017)
+
*[https://github.com/geoschem/geos-chem/issues/1288 geos-chem issue #1288]
 +
*Incorporates new met field TSOIL1
  
 
|-valign="top"
 
|-valign="top"
−
|[[Chemistry_Issues#Fixes_for_carbon_creating_reactions|Carbon balance (fix C creation)]]
+
|Fix obspack - not working in 14.4.0
−
|Sarah Safieddine (MIT)
+
|Bob Yantosca (Harvard)
 +
|Diagnostics
 +
|Medium
 
|
 
|
−
*Included in [[GEOS-Chem v11-02#v11-02c|v11-02c]] (Approved 21 Sep 2017)
+
*[https://github.com/geoschem/geos-chem/issues/2328 geos-chem issue #2328]
  
 
|-valign="top"
 
|-valign="top"
−
|[http://www.atmos-chem-phys.net/16/12239/2016/ Halogen chemistry updates]
+
|Cloud-J v8.0 including UV H2O absorption
−
|Tom&aacute;s Sherwen (York)<br>Johan Schmidt (Harvard)<br>Seb Eastham (MIT)<br>Lei Zhu (Harvard)<br>[[Chemistry Issues|Oxidants and Chemistry WG]]
+
|Lizzie Lundgren (Harvard)<br>Michael Prather (UCI)
−
|Science
+
|Photolysis
 +
|Medium
 
|
 
|
−
*Included in [[GEOS-Chem v11-02#v11-02d|v11-02d]] (Approved 12 Feb 2018)
+
*[https://github.com/geoschem/Cloud-J/issues/12 Cloud-J issue #12]
 +
*[https://datadryad.org/stash/dataset/doi:10.7280/D1Q398 Dataset]
 +
*[https://www.science.org/doi/10.1126/science.adn0415 Prather and Zhu (2024)]
  
 
|-valign="top"
 
|-valign="top"
−
|[http://onlinelibrary.wiley.com/doi/10.1002/2017GL073812/abstract Sulfur oxidation by reactive halogens]
+
|Make GC-Classic bit-for-bit reproducible upon restart
−
|Qianjie Chen (UW)
+
|Lizzie Lundgren (Harvard)
−
|Science
+
|GC-Classic
 +
|Medium
 
|
 
|
−
*Included in [[GEOS-Chem v11-02#v11-02d|v11-02d]] (Approved 12 Feb 2018)
+
*[https://github.com/geoschem/HEMCO/issues/18 HEMCO issue #18]
−
 
+
−
|-bgcolor="#ccffff" valign="top"
+
−
!colspan="3"|Structural/programming updates
+
  
 
|-valign="top"
 
|-valign="top"
−
|[[GEOS-Chem HP|Source code updates for high performance option (GCHP)]]
+
|Capture all trop and PBL height changes in budget diagnostics
−
|Seb Eastham (Harvard)<br>Lizzie Lundgren (Harvard)<br>Mike Long (Harvard)<br>Jiawei Zhuang (Harvard)<br>Bob Yantosca (Harvard)
+
|Chris Holmes (FSU)<br>Lizzie Lundgren (Harvard)
 +
|Diagnostics
 +
|Medium
 
|
 
|
−
*Included in [[GEOS-Chem v11-02#v11-02b|v11-02b]] (Approved 16 Jun 2017)
+
*[https://github.com/geoschem/geos-chem/pull/2103 geos-chem PR 2103]
  
 
|}
 
|}
  
−
=== Ready to go in ===
+
== Prioritized and in the queue ==
  
−
==== Slated for inclusion in v11-02 ====
+
Features listed in this table are prioritized for integration into GEOS-Chem in the near future.
  
−
The following items were prioritized for inclusion in [[GEOS-Chem v11-02]].
+
{| border=1 cellspacing=0 cellpadding=5  
−
 
+
|-bgcolor="#CCCCCC"
−
{| border=1 cellspacing=0 cellpadding=5
+
!width="200px"|Feature
−
|- bgcolor="#cccccc"
+
!width="200px"|Contributor(s)
−
!width="400px"|Item
+
!width="100px"|Model scope
−
!width="250px"|Author(s)
+
!width="100px"|Ease of implementation
−
!width="80px"|Type
+
!width="100px"|Delivery status
−
!width="250px"|Status
+
!width="300px"|Notes and References
−
 
+
−
|-
+
−
!colspan="4" bgcolor="#CCFFFF"|Chemistry updates
+
  
 
|-valign="top"
 
|-valign="top"
−
|[[Chemistry_Issues#Script_for_evaluating_carbon_balance|Script for checking N, C, etc. balance in chemistry mechanism]]
+
|Retire CH4, CO2, tagCO simulations in favor of carbon simulation
−
|Barron Henderson (EPA)
+
|Melissa Sulprizio (Harvard)
−
|Software
+
|Carbon gases
 +
|Simple
 
|
 
|
−
 
−
|-valign="top"
 
−
|[[Aerosol_optical_properties#Add_BC_absorption_enhancement_factor|Update density of BC to 1.8 and add absorption enhancement factor in input.geos]]
 
−
|Xuan Wang (MIT)
 
−
|Science
 
 
|
 
|
−
*Delivered to [[GEOS-Chem Support Team|GCST]] (Jan 2016)
+
*[https://github.com/geoschem/geos-chem/issues/2387 geos-chem issue #2387]
−
*Slated for [[GEOS-Chem v11-02#v11-02e|v11-02e]]
+
  
 
|-valign="top"
 
|-valign="top"
−
|[[NOx-Ox-HC-aerosol#Monthly mean surface distributions|Monthly mean surface methane distributions]]
+
|New version of CEDS at 0.1 deg
−
|Lee Murray (NASA GISS/LDEO)
+
|Dandan Zhang (WashU)
−
|Science
+
|Emissions
 +
|Simple
 +
|Delivered June 2024
 
|
 
|
−
*Delivered to [[GEOS-Chem Support Team|GCST]] (Nov 2017)
+
*[https://github.com/geoschem/geos-chem/issues/1745 geos-chem issue #1745]
−
*Slated for [[GEOS-Chem v11-02#v11-02e|v11-02e]]
+
  
 
|-valign="top"
 
|-valign="top"
−
|[[UCX_chemistry_mechanism#v11-02|Remove initial stratospheric 2D mixing ratio option]]
+
|Chemistry for RCOOH, updated monoterpenes, new PNs and ANs
−
|Seb Eastham (Harvard)
+
|Katie Travis (NASA)<br>Kelvin Bates (CU Boulder)
−
|Science
+
|GC-Classic
 +
|Simple
 +
|Delivered June 2024
 
|
 
|
−
*Slated for [[GEOS-Chem v11-02#v11-02e|v11-02e]]
+
*[https://github.com/geoschem/geos-chem/pull/2318 geos-chem PR #2318]
  
 
|-valign="top"
 
|-valign="top"
−
|[[UCX_chemistry_mechanism#UCX_stratospheric_water_boundary_condition_update|UCX stratospheric water boundary condition update]]
+
|Use USTAR read from GEOS instead of calculating from U10M and V10M
−
|Chris Holmes (UC Irvine)<br>Seb Eastham (Harvard)
+
|Yuanjian Zhang (WashU)
−
|Science
+
|Emissions
 +
|Simple
 +
|Delivered June 2024
 
|
 
|
−
*Slated for [[GEOS-Chem v11-02#v11-02e|v11-02e]]
+
*[https://github.com/geoschem/HEMCO/pull/279 HEMCO PR #279]
−
*Delivered to GCST (Jan 2017)
+
*NOTE: Mass tuning factors must be recomputed for each met field & resolution (GCClassic)
  
 
|-valign="top"
 
|-valign="top"
−
|[[Stratospheric_chemistry#Prod.2Floss_rates_from_UCX|Use monthly mean stratospheric prod/loss rates from UCX simulation for all species]]
+
|Correct the issue that injection height has been artifically decreased by HEMCO
−
|[[GCST]]
+
|Yuanjian Zhang (WashU)
−
|Science
+
|Emissions
 +
|Simple
 +
|Delivered June 2024
 
|
 
|
−
*Delivered to GCST (Nov 2017)
+
*[https://github.com/geoschem/geos-chem/pull/279 geos-chem PR #2358]
  
 
|-valign="top"
 
|-valign="top"
−
|[[Sulfate_aerosols#Metal_catalyzed_oxidation_of_SO2|Metal catalyzed oxidation of SO2]] (as a switch)
+
|PPN photolysis
−
|Viral Shah (UW)<br>Becky Alexander (UW)
+
|Bex Horner (UCL)
−
|Science
+
|Chemistry
 +
|Medium
 +
|Delivered June 2024
 
|
 
|
−
*Slated for [[GEOS-Chem v11-02#v11-02e|v11-02e]]
+
*[https://github.com/geoschem/geos-chem/pull/2371 geos-chem PR #2371]
 +
*[https://doi.org/10.5194/egusphere-2024-1541 Horner et al. (2024)]
 +
*Need to update Cloud-J input files accordingly
  
−
|-valign="top"
+
|}
−
|[[Particulate_matter_in_GEOS-Chem#Option_to_include_spatially_and_seasonally_varying_OM.2FOC|Spatially varying OM/OC]]
+
−
|Sajeev Philip (Dalhousie/NASA Ames)
+
−
|Science
+
−
|
+
−
*Slated for [[GEOS-Chem v11-02#v11-02e|v11-02e]]
+
−
*Delivered to GCST (May 2017)
+
  
−
|-valign="top"
+
== Ready to go in ==
−
|[[Chemistry_Issues#Correcting_ozone_from_the_height_of_the_lowest_model_level_to_the_surface|ND49 timeseries diagnostic for correcting ozone from the height of the lowest model level to 10m]]
+
 
−
|Structural
+
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.
−
|Katie Travis (MIT)
+
 
−
|
+
{| border=1 cellspacing=0 cellpadding=5
−
*Delivered to GCST (Nov 2017)
+
|-bgcolor="#CCCCCC"
 +
!width="200px"|Feature
 +
!width="200px"|Contributor(s)
 +
!width="100px"|Model scope
 +
!width="100px"|Delivery status
 +
!width="300px"|Notes and Refereneces
  
−
|-
 
−
!colspan="4" bgcolor="#CCFFFF"|Emission updates
 
  
 
|-valign="top"
 
|-valign="top"
−
|[[MEGAN_v2.1_plus_Guenther_2012_biogenic_emissions#Global_0.25x0.25_MEGAN_input_and_MODIS_LAI|Use global 0.25x0.25 files for MEGAN input and MODIS LAI]]
+
|Binary Activity Thermodynamic (BAT) model for non-ideal mixing of water and organics in organic aerosol
−
|Jenny Fisher (U. Wollongong)<br>Eloise Marais (U. Birmingham)<br>Dylan Millet (UMN)
+
|Camilo Serrano (McGill)<br>Andreas Zuend (McGill)
−
|Bug fix/Science
+
|Aerosols
 +
|Not delivered
 
|
 
|
−
*Delivered to GCST (Nov 2017)
+
*[https://github.com/geoschem/geos-chem/issues/2392 geos-chem issue #2392]
  
 
|-valign="top"
 
|-valign="top"
−
|[[Implementation_of_HEMCO_in_GEOS-Chem#Features_added_in_v11-02|Update HEMCO from v2.1.001 to v2.1.005]]
+
|Update UCX to include gravitational settling of aerosol species beyond just BCPI
−
*HEMCO v2.1.003 requires updated MODIS LAI data
+
|Conor Barker (UCL)<br>Eloise Marais (UCL)
−
|Christoph Keller (NASA GMAO)
+
|Aerosols
−
|Structural
+
|Not delivered
 
|
 
|
−
*Delivered to GCST (Jul 2017)
 
  
 
|-valign="top"
 
|-valign="top"
−
|[http://onlinelibrary.wiley.com/doi/10.1002/2015JD023134/abstract OMI-based Volcanic emissions 2005-2012]
+
|Seasalt aerosol from sea ice leads (2002-2011)
−
|Cui Ge (U. Iowa)<br>Jun Wang (U. Iowa)
+
|Hannah Horrowitz (UIUC)
−
|Science
+
|Aerosols
 +
|Not delivered
 
|
 
|
−
*Delivered to GCST (Nov 2017)
+
*Offline and online, ready to go in HEMCO (optional in addition to existing seasalt emissions)
  
 
|-valign="top"
 
|-valign="top"
−
|[http://www.globalchange.umd.edu/ceds/ CEDS global anthropogenic emissions (1950-2014)]
+
|Fire and anthropogenic emissions not currently turned on (monoterpenes, 1-butadiene etc.)
−
*This inventory will be the default global anthropogenic emissions inventory
+
|Katie Travis (NASA)<br>Kelvin Bates (CU Boulder)
−
|Lu Shen (Harvard)<br>Melissa Sulprizio (Harvard)
+
|Emissions
−
|Science
+
|Not delivered
 
|
 
|
−
*Delivered to GCST (Nov 2017)
+
*[https://github.com/geoschem/geos-chem/issues/2390 geos-chem issue #2390]
  
 
|-valign="top"
 
|-valign="top"
−
|[[EDGAR_v4.3_anthropogenic_emissions|EDGAR v4.3.1 emissions]]
+
|Global organic N dep from various emissions; nitrate aromatics updates
−
*This inventory will be included as an option
+
|May Fu (SUSTech)
−
|Chi Li (Dalhousie)
+
|Chemistry +<br>Deposition
−
|Science
+
|Not delivered
 
|
 
|
−
*Delivered to GCST (Nov 2016)
 
  
 
|-valign="top"
 
|-valign="top"
−
|EPA-derived BC/OA emissions over US (1990-2012)
+
|Dry deposition to F90 to improve readability
−
|David Ridley (MIT)<br>Chi Li (Dalhousie)
+
|Chris Holmes (FSU)
−
|Science
+
|Dry Deposition
 +
|Not delivered
 
|
 
|
−
*Need to coordinate between Ridley and Li versions
+
*[https://github.com/geoschem/geos-chem/issues/2389 geos-chem issue #2389]
  
 
|-valign="top"
 
|-valign="top"
−
|[[CAC_anthropogenic_emissions#Historical_emissions|Historical CAC emissions]]
+
|Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange
−
|Chi Li (Dalhousie)
+
|Joey Lam  (CUHK)<br>Amos Tai (CUHK)
−
|Science
+
|Dry deposition
 +
|Delivered<br>Feb 2021
 
|
 
|
−
*Delivered to GCST (Nov 2016)
+
*[https://github.com/geoschem/geos-chem/pull/629 geos-chem PR #629]
  
 
|-valign="top"
 
|-valign="top"
−
|[http://onlinelibrary.wiley.com/doi/10.1002/2016JD025767/full Global ethane emissions]
+
|FRP-based fire emissions for eastern US at 0.2 (2019-2020)
−
|Zitely Tzompa-Sosa (CSU)
+
|Chris Holmes (FSU)
−
|Science
+
|Emissions
 +
|Not delivered
 
|
 
|
−
*Delivered to GCST (May 2017)
+
*[https://github.com/geoschem/geos-chem/issues/2388 geos-chem issue #2388]
  
 
|-valign="top"
 
|-valign="top"
−
|[https://www2.acom.ucar.edu/modeling/dice-africa Inefficient combustion emissions in Africa (DICE-Africa inventory)]
+
|China agriculture NH3 emissions
−
|Eloise Marais (U. Birmingham)<br>Christine Wiedinmyer (NCAR)
+
|Amos Tai (CUHK)
−
|Science
+
|Emissions
 +
|Not delivered
 
|
 
|
−
*Delivered to GCST (Nov 2017)
 
  
 
|-valign="top"
 
|-valign="top"
−
|Trash burning emissions
+
|T-dependent anthropogenic VOCs
−
|Eloise Marais (U. Birmingham)<br>Christine Wiedinmyer (NCAR)
+
|May Fu (SUSTech)
−
|Science
+
|Emissions
 +
|Not delivered
 
|
 
|
−
*Delivered to GCST (Nov 2017)
+
*Option. Requires processing existing anthropogenic VOC emissions to generate offline emissions to read in. Parameterised for China.
  
 
|-valign="top"
 
|-valign="top"
−
|MEIC emissions over China (2000-2015)
+
|New source functions for transport tracers beryllium-7 and beryllium-10
−
|Lu Shen (Harvard)<br>Melissa Sulprizio (Harvard)
+
|Minjie Zheng (ETH)
−
|Science
+
|Emissions
 +
|Delivered<br>June 2024
 
|
 
|
−
*Delivered to GCST (Nov 2017)
+
*Available at https://zenodo.org/records/8372652
  
 
|-valign="top"
 
|-valign="top"
−
|[[Mineral_dust_aerosols#Anthropogenic_PM2.5_dust_source_in_GEOS-Chem|Anthropogenic PM2.5 dust source]]
+
|LPJ land cover (global), fire (W US), dust emissions (SW N America), 1700-2100
−
|Sajeev Philip (Dalhousie)
+
|Yang Li (Baylor U)<br>Loretta Mickley (Harvard)
−
|Science
+
|Emissions
 +
|Delivered
 
|
 
|
−
*Delivered to GCST (Mar 2017)
+
*Data involves many files- need to think about temporal frequency
  
 
|-valign="top"
 
|-valign="top"
−
|[[FINNv1_biomass_burning_emissions|FINN biomass burning emissions for 2014-2016]]
+
|Australian Hg emissions (2000-2019)
−
|Barron Henderson (US EPA)
+
|Stephen MacFarlane (Wollongong)<br>Jenny Fisher (Wollongong)
−
|Science
+
|Emissions
 +
|Not delivered
 
|
 
|
−
*Delivered to GCST (Nov 2017)
+
*[https://pubs.rsc.org/en/content/articlelanding/2022/em/d2em00019a MacFarlane et al. (2024)]
 +
*Includes emissions from black and brown coal power plants, various metal production/processing sources (Aluminium, gold, copper, lead, etc), waste products, cement production, oil refining and petroleum, chlor alkali plants, and cremation
  
 
|-valign="top"
 
|-valign="top"
−
|Ammonia emissions from Arctic seabirds
+
|Hg geogenic emissions (volcanic, rock weathering)
−
|Betty Croft (Dalhousie)
+
|Eric Roy (MIT)
−
|Science
+
|Emissions
 +
|Not delivered
 
|
 
|
−
*Delivered to GCST (Nov 2017)
+
*[https://github.com/geoschem/geos-chem/issues/2361 geos-chem #2361]
 +
*[https://gmd.copernicus.org/preprints/gmd-2024-65/ Dastoor et al. (2024)]
  
 
|-valign="top"
 
|-valign="top"
−
|EPA NEI2011 Version EK
+
|Hg biomass burning - FINN2.5 & GFED4
−
|Zitely Tzompa-Sosa (CSU)<br>Emily Fischer (CSU)
+
|Eric Roy (MIT)
−
|Science
+
|Emissions
 +
|Not delivered
 
|
 
|
−
*Delivered to GCST (Jan 2018)
+
*[https://github.com/geoschem/geos-chem/issues/2361 geos-chem #2361]
−
 
+
*[https://gmd.copernicus.org/preprints/gmd-2024-65/ Dastoor et al. (2024)]
−
|-
+
−
!colspan="4" bgcolor="#CCFFFF"|Specialty simulation updates
+
  
 
|-valign="top"
 
|-valign="top"
−
|[[CH4_simulation#Updated_CH4_simulation_in_v11-02_and_later|Updated CH4 simulation]]
+
|BCC-GC online
−
|Bram Maasakkers (Harvard)<br>Melissa Sulprizio (Harvard)
+
|Lin Zhang (PKU)
−
|Science
+
|External Model
 +
|Not delivered
 
|
 
|
−
*Delivered to GCST (Oct 2017)
 
  
 
|-valign="top"
 
|-valign="top"
−
|[[Tagged_CO_simulation#New_tagged_CO_simulation_in_v11-02_and_later|Updated Tagged CO simulation]]
+
|GC-YIBS with online fire emissions
−
|Jenny Fisher (Wollongong)
+
|Xu Yue (NUIST)<br>Hong Liao (NUIST)
−
|Science
+
|External Model
 +
|Not delivered
 
|
 
|
−
*Delivered to GCST (Nov 2017)
 
  
 
|-valign="top"
 
|-valign="top"
−
|Updates to Hg chemistry from Horowitz et al. (2017)
+
|GISS-GC offline (GCAP)
−
|Hannah Horowitz (U. Washington)<br>Colin Thackray (Harvard)<br>Rebecca Stern (Harvard)
+
|Lee Murray (Rochester)
−
|Science
+
|GCAP
 +
|Not delivered
 
|
 
|
−
 
−
|-
 
−
!colspan="4" bgcolor="#CCFFFF"|Structural updates
 
  
 
|-valign="top"
 
|-valign="top"
−
|[[GEOS-Chem_Output_Files#NetCDF_File_Format|NetCDF Output Phase 3a: Output diagnostics in NetCDF format]]
+
|Archived TCR-2 OH fields for carbon simulations
−
|[[GCST]]
+
|Kazu Miyazaki (JPL)
−
|Structural
+
|Input data
 +
|Not delivered
 
|
 
|
 +
*This will be the default OH, but users will have the option of selecting other OH fields
  
 
|}
 
|}
  
−
==== Defer to v11-03 ====
+
== Almost there (< 6 months) ==
  
−
{| border=1 cellspacing=0 cellpadding=5
+
Features listed in this table are in development and will likely be delivered to the GEOS-Chem Support Team within the next 6 months.
−
|-bgcolor="#CCCCCC"
+
−
!width="500px"|Feature
+
−
!width="200px"|Submitted by
+
−
!width="100px"|Type
+
−
!width="150px"|Status
+
  
−
|-
+
{|border=1 cellspacing=0 cellpadding=5
−
!colspan="4" bgcolor="#CCFFFF"|Transport updates
+
|- bgcolor="#cccccc"
 +
!width="200px"|Feature
 +
!width="200px"|Contributor(s)
 +
!width="100px"|Model scope
 +
!width="420px"|Notes and References
  
 
|-valign="top"
 
|-valign="top"
−
|[https://www.geosci-model-dev-discuss.net/gmd-2017-125/ GEOS resolution & subgrid convection]
+
|Dust non-sphericity impacts on optical properties
−
|Karen Yu (Harvard)
+
|Inderjeet Singh (WashU)
−
|Science
+
|Aerosols
 
|
 
|
−
*Delivered to GCST (Oct 2017)
 
  
 
|-valign="top"
 
|-valign="top"
−
|[[Transport_Working_Group#Common_set_of_tracers_in_GEOS-Chem_and_GEOS|Common set of tracers in GEOS-Chem and GEOS]]
+
|Fixes to stratospheric aerosol settling
−
|Transport WG<br>[[GCST]]
+
|Connor Barker (UCL)<br>Eloise Marais (UCL)
−
|Benchmarking
+
|Aerosols
 
|
 
|
−
 
−
|-
 
−
!colspan="4" bgcolor="#CCFFFF"|Chemistry updates
 
  
 
|-valign="top"
 
|-valign="top"
−
|Updated chlorine chemistry
+
|DMS chemistry in v14
−
|Xuan Wang (Harvard)
+
|Linia Tashmim (UCR)<br>Will Porter (UCR)
−
|Science
+
|Chemistry
 
|
 
|
−
 
−
|-
 
−
!colspan="4" bgcolor="#CCFFFF"|Emissions updates
 
  
 
|-valign="top"
 
|-valign="top"
−
|Grid-independent emissions, including:
+
|KPP standalone + 3D Interface
−
*Lightning NOx emissions (3-hourly)
+
|Obin Sturm (USC)
−
*Dust emissions (hourly)
+
|Chemistry
−
*Biogenic and sea salt emissions (hourly)
+
−
|Randall Martin (Dalhousie)<br>Lee Murray (Rochester)<br>David Ridley (MIT)<br>Jintai Lin (PKU)
+
−
|Science
+
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|[[Sulfate_aerosols#Ocean_ammonia_emission_inventory|Ocean ammonia emission inventory]]
+
|NO2+OH+H2O kinetics
−
|Fabien Paulot (NOAA/GFDL)
+
|Mat Evans (York)
−
|Science
+
|Chemistry
 
|
 
|
−
*Data files delivered to GCST (Jan 2016)
 
−
*Needs to be implemented via HEMCO
 
  
 
|-valign="top"
 
|-valign="top"
−
|[http://www.atmos-chem-phys.net/16/2819/2016/ A snow NOx source from deep snowpack]
+
|LSODES solver in KPP for faster kinetics
−
|Maria Zatko (UW)<br>Becky Alexander (UW)
+
|Haipeng Lin (Harvard)
−
|Science
+
|Chemistry
 
|
 
|
−
*Delivered to GCST (Nov 2017)
 
−
*Implemented in v9-01-01
 
−
*Needs to be added as a HEMCO extension
 
  
 
|-valign="top"
 
|-valign="top"
−
|[[MASAGE_NH3_inventory|MASAGE inventory in HEMCO as default]]
+
|Load balancing in chemistry solver (GCHP)
−
|Fabien Paulot (NOAA/GFDL)<br>Amos Tai (CUHK)
+
|Zhouran Sun (WashU)
−
|Science
+
|Chemistry +<br>Performance
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|[[MASAGE_NH3_inventory#Non-agricultural_NH3_for_use_with_MASAGE|Non-agricultural NH3 for use with MASAGE]]
+
|Active chemistry in mesosphere for both GCHP and GCClassic
−
|Amos Tai (CUHK)
+
|Helena McDonald (MIT)<br>Sebastian Eastham (ICL)
−
|Science
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Radon emission update
+
|Updated aromatic oxidation
−
|Bo Zhang (NIA/NASA Langley)
+
|Stephen MacFarlane (Wollongong)<br>Jenny Fisher (Wollongong)
−
|Science
+
|Chemistry
 
|
 
|
−
*Delivered to GCST (Nov 2017)
 
−
*Implementation pending paper submission
 
  
 
|-valign="top"
 
|-valign="top"
−
|GFAS biomass burning emissions
+
|MCO3 uptake by cloud forming MP; leading to lower PAN
−
|Mat Evans (York)
+
|Laura Yang (Harvard)
−
|Science
+
|Chemistry
 
|
 
|
−
 
−
|-
 
−
!colspan="4" bgcolor="#CCFFFF"|Deposition/surface updates
 
  
 
|-valign="top"
 
|-valign="top"
−
|Wet scavenging in mixed-phase clouds
+
|Implement isotope simulation for CH4 in the carbon simulation
−
|Bo Zhang (NIA/NASA Langley)
+
|Lee Murray (Rochester)
−
|Science
+
|Chemistry
 
|
 
|
−
*Delivered to GCST (Nov 2017)
+
*Will have to change negative emissions from soil to a first-order loss process
−
*Only applied/tested for Pb
+
−
*Implementation pending paper submission
+
  
 
|-valign="top"
 
|-valign="top"
−
|Harmonizing Henry's Law coefficients across wet and dry deposition
+
|Documentation for adding additional aerosol species
−
|[[GCST]]
+
|Connor Barker (UCL)
−
|Science
+
|Documentation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|[[Aerosols_Working_Group#Sedimentation_of_stratospheric_aerosols|Sedimentation of stratospheric aerosols]]
+
|Column diagnostics
−
|Sebastian Eastham (Harvard)
+
|Lizzie Lundgren (Harvard)<br>Viral Shah (GMAO)
−
|Science
+
|Diagnostics
 
|
 
|
−
 
−
|-
 
−
!colspan="4" bgcolor="#CCFFFF"|Aerosol updates
 
  
 
|-valign="top"
 
|-valign="top"
−
|Sea salt aerosol alkalinity
+
|TOMAS rate diagnostics -- improve performance
−
|Qianjie Chen (UW)<br>Becky Alexander (UW)<br>Xuan Wang (Harvard)
+
|Betty Croft (WashU/Dal)
−
|Science
+
|Diagnostics +<br>Performance
 
|
 
|
−
*UW version delivered to GCST (Nov 2017)
 
  
 
|-valign="top"
 
|-valign="top"
−
|VBS SOA option
+
|Archive gamma values from heterogeneous chemistry
−
|Rokjin Park (SNU)
+
|Bob Yantosca (Harvard)
−
|Science
+
|Diagnostics
 
|
 
|
−
 
−
|-
 
−
!colspan="4" bgcolor="#CCFFFF"|Specialty simulation updates
 
  
 
|-valign="top"
 
|-valign="top"
−
|Oxidant fields from v10 for 2006-2012
+
|RRTMG Documentation
−
*3D chemical source for CO2, CO
+
|GCST
−
*OH for tagged CO & CH4
+
|Documentation
−
|Dylan Jones (UofT)
+
−
|Science
+
 
|
 
|
−
*Will make data files available on ftp site
 
  
 
|-valign="top"
 
|-valign="top"
−
|Year 2010 ocean Hg boundary conditions from ocean model
+
|Canopy Physics Model
−
|Hannah Horowitz (Harvard)
+
|Sam Silva (MIT)
−
|Science
+
|Dry Deposition
 
|
 
|
 +
*Available at https://zenodo.org/records/3614062#.XzvrH5NKjOR (GEOS-Chem 12.3.0)
  
 
|-valign="top"
 
|-valign="top"
−
|Historical products emissions from Zhang et al. (2016), should become default
+
|Dry deposition diagnostics by land cover
−
|Colin Thackray (Harvard)
+
|Holly Nowell (FSU)<br>Chris Holmes (FSU)
−
|Science
+
|Dry Deposition
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|AMAP/UNEP 2035 for Hg simulation
+
|Dry deposition process diagnostics
−
|Helene Angot (MIT)
+
|Holly Nowell (FSU)<br>Chris Holmes (FSU)
−
|Science
+
|Dry Deposition
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Africa nested-grid for GEOS-FP and MERRA-2
+
|Biomass burning for TOMAS
−
|Eloise Marais (U. Birmingham)
+
|Nicole June (CSU)
−
|Science
+
|Emissions +<br>Microphysics
 
|
 
|
−
*Delivered to GCST (Dec 2017)
 
  
 
|-valign="top"
 
|-valign="top"
−
|West Africa nested-grid for GEOS-FP
+
|Historic biomass burning (1750-2010)
−
|Mat Evans (York)<br>Eleanor Morris (York)
+
|Pengfei Liu (Georgia Tech)
−
|Science
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|[[Sulfate_aerosols#Tagged_sulfate_and_nitrate_simulation|Tagged sulfate simulation]]
+
|Rice methane emissions
−
|Becky Alexander (UW)
+
|Zichong Cheng (Harvard)
−
|Science
+
|Emissions+<br>Carbon simulation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Arsenic simulation
+
|Updated bottom-up global CH4 oil, gas, and coal emissions (GFEI v3)
−
|Shiliang Wu (MT)
+
|Tia Scarpelli (Carbon Mapper)<br>Melissa Sulprizio (Harvard)
−
|Science
+
|Emissions
 
|
 
|
−
 
−
|-
 
−
!colspan="4" bgcolor="#CCFFFF"|Structural updates
 
  
 
|-valign="top"
 
|-valign="top"
−
|Updated flux diagnostics
+
|New prior CO2 biospheric fluxes from CMS-FLUX and GMAO
−
|Chris Holmes (Florida State)<br>[[GCST]]
+
|Kevin Bowman (JPL)<br>Lesley Ott (GMAO)
−
|Structural/<br>Benchmarking
+
|Emissions
 
|
 
|
 +
*GMAO can provide high-resolution  fluxes (as high as 12 km)
  
 
|-valign="top"
 
|-valign="top"
−
|Additional modifications for [[FlexChem]], including:
+
|Snowpack Br2 emission
−
*Rebuild the pre-built chemistry mechanisms (Standard, Tropchem, SOA-SVPOA) with [http://www.paratools.com/Kppa Kppa]
+
|Chris Holmes (FSU)
−
*Add capability for custom chemistry mechanism by building KPP on-the-fly in GEOS-Chem
+
|Emissions
−
|[[GCST]]
+
−
|Structural
+
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Benchmark of stratospheric simulation
+
|EDGAR v8.1_toxHg emissions for 1970-2022
−
|Dylan Jones (U. Toronto)
+
|Eric Roy (MIT)
−
|Benchmarking
+
|Emissions
 
|
 
|
−
*1-yr benchmarks for GEOS-Chem v11-01d and later include comparisons with OSIRIS O3
 
−
*Waiting on OSIRIS NO2 data
 
−
*Waiting on comparisons with ACE-FTS data
 
  
 
|-valign="top"
 
|-valign="top"
−
|[[GEOS-Chem_species_units|Uniformity of units]]
+
|Improve pressure handling in GCHP advection
−
|[[GCST]]
+
|Yuanjian Zhang (WashU)<br>Seb Eastham (ICL)
−
|Structural
+
|GCHP
 
|
 
|
−
*Phase 2 (unit uniformity throughout chemistry) to be implemented after Flexchem
 
−
*Phase 3 (unit uniformity in some specialty simulations) will be implemented in pieces with input from 3rd party developers
 
−
*Phase 4 (removal of area and area-dependent State_Met variables) will be ongoing
 
  
 
|-valign="top"
 
|-valign="top"
−
|ObsPack diagnostic as netCDF replacement for planeflight_mod.F
+
|Add error trap for duplicate scale factors in HEMCO
−
|Andy Jacobson (NOAA/ESRL)
+
|Bob Yantosca (Harvard)
−
|Structural
+
|HEMCO
 
|
 
|
−
*Delivered to GCST (May 2017)
 
  
 
|-valign="top"
 
|-valign="top"
−
|[[GEOS-Chem_Output_Files#NetCDF_File_Format|NetCDF Output Phase 3b: Updates to eliminate differences between single and multi-segmented GEOS-Chem runs]]
+
|Integration testing: Add stretched grid
−
|[[GCST]]<br>Christoph Keller
+
|Lizzie Lundgren (Harvard)
−
|Bug fix/Structural
+
|Quality Assurance
 
|
 
|
−
 
−
|-
 
−
!colspan="4" bgcolor="#CCFFFF"|Expansion of model capabilities
 
  
 
|-valign="top"
 
|-valign="top"
−
|[[FlexGrid|FlexGrid: Use HEMCO to read met fields and enable nested simulations over any custom domains]]
+
|Integration testing: Add GCHP mass flux run
−
|Jiawei Zhuang (Harvard)<br>Jintai Lin (PKU)
+
|Lizzie Lundgren (Harvard)
−
|Structural
+
|Quality Assurance
 
|
 
|
−
*Delivered to GCST (Oct 2016)
 
  
 
|-valign="top"
 
|-valign="top"
−
|[[ISORROPIA_II#Investigating_persistent_noise_observed_in_ISORROPIA_output|Update ISORROPIA from v2.0 to v2.2, in order to remove persistent noise in output]]
+
|Integration testing: Add run with all diagnostics turned on
−
|Seb Eastham (Harvard)
+
|GCST
−
|Science
+
|Quality Assurance
 
|
 
|
−
*Delivered to GCST (May 2017)
 
  
 
|-valign="top"
 
|-valign="top"
−
|Archival of roughness length for temperature z0T
+
|Integration testing: Reinstate TOMAS40
−
|[[GCST]]
+
|Betty Croft (Dalhousie/WashU)
−
|Met processing
+
|Quality Assurance
 
|
 
|
−
 
−
|}
 
−
 
−
==== Not prioritized for v11-02 ====
 
−
 
−
{| border=1 cellspacing=0 cellpadding=5
 
−
|- bgcolor="#cccccc"
 
−
!width="400px"|Item
 
−
!width="250px"|Author(s)
 
−
!width="80px"|Type
 
−
!width="250px"|Status
 
  
 
|-valign="top"
 
|-valign="top"
−
|Sea salt emission from sea ice
+
|Strat-adjusted RF in GCC and GCHP
−
|Jiayue Huang (UW)
+
|Connor Barker (UCL)<br>Eloise Marais (UCL)
−
|Science
+
|Radiation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Re-evaluation of SST dependence of sea salt emissions
+
|Continue cleanup of C-preprocessor switches
−
|Jiayue Huang (UW)
+
|Lizzie Lundgren (Harvard)
−
|Science
+
|Structural
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|[[MEGAN_v2.1_plus_Guenther_2012_biogenic_emissions#Discussion_of_LAI_Data_Sources|Update MODIS LAI fields through 2015]]
+
|Updates to Luo deposition scheme
−
|Barron Henderson (UF)
+
|Gan Luo (Albany)
−
|Science
+
|Wet Deposition
 
|
 
|
 +
*New version, keep as switch (not default)
  
 
|-valign="top"
 
|-valign="top"
−
|Lightning NOx chemistry parameterization
+
|Testing the use of a new scavenging parameterization developed by Luo and Yu for cold cloud with Pb-210 aerosol tracer
−
|Alicia Gressent (MIT)
+
|Gan Luo (Albany)<br>Fangqun Yu (Albany)
−
|Science
+
|Wet Deposition
 
|
 
|
  
 
|}
 
|}
  
−
=== Almost there (< 6 months) ===
+
== 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.
  
 
{| border=1 cellspacing=0 cellpadding=5
 
{| border=1 cellspacing=0 cellpadding=5
 
|- bgcolor="#cccccc"
 
|- bgcolor="#cccccc"
−
!width="400px"|Item
+
!width="200px"|Feature
−
!width="250px"|Author(s)
+
!width="200px"|Contributor(s)
−
!width="80px"|Type
+
!width="100px"|Model scope
−
!width="250px"|Status
+
!width="420px"|Notes and References
  
 
|-valign="top"
 
|-valign="top"
−
|Aromatics and dicarbonyl chemistry
+
|ML algorithms for bulk aerosol
−
|William Porter (MIT)<br>Tzung-May Fu (PKU)
+
|Arshad Nair (Albany)<br>Fangqun Yu (Albany)
−
|Science
+
|Aerosols
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Diagnostic for species lifetime
+
|Heterogeneous sulfate chemistry
−
|[[GCST]]
+
|Katie Travis (NASA)
−
|Science
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Document chemical mechanism in KPP file
+
|H2 as an active species
−
|Mat Evans (York)
+
|Seb Eastham (ICL)
−
|Structural
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Carbon bottom up fluxes: anthro, ocean, land
+
|HCN, acetonitrile as fire tracers
−
|Kevin Bowman (JPL)
+
|Kevin Bates (CU Boulder)
−
|Science
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|GISS-GC (ICECAP/GCAP2) in standard model + benchmark
+
|Implement ethane in carbon simulation
−
|Lee Murray (Rochester)<br>Eric Leibensperger (SUNY Plattsburgh)
+
|Yuzhong Zhang (Westlake)
−
|Science
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|CESM-GC offline coupling in standard model + benchmark
+
|Mesospheric source of CO
−
|Rokjin Park (SNU)<br>Daniel Rothenberg (MIT)
+
|Dylan Jones (UofT)<br>Pam Wales (NASA GSFC)
−
|Science
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|CESM-GC GCHP
+
|Drought-stress algorithm
−
|Daniel Rothenberg (MIT)
+
|Wei Li (Houston)
−
|Science
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Injection height for fire emissions
+
|Physically-based resolution correction for BVOC emissions using MEGAN
−
|Juliet Zhu (CSU)<br>Emily Fischer (CSU)
+
|May Fu (SUSTech)
−
|Science
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Diurnal variability for NH3
+
|Canadian forest fire prediction system (Canada government forecast model)
−
|Henze group
+
|Robin Stevens (Montreal)
−
|Science
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|OH + NO2 rate update
+
|Cooking emissions (not biofuel)
−
|Barron Henderson (EPA)
+
|Kelvin Bates (CU Boulder)
−
|Science
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|N2O5 hydrolysis updates
+
|State-specific annual emissions scaling factors (US) (1990-2021)
−
|Viral Shah (UW)
+
|Ishir Dutta (MIT)
−
|Science
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Land cover module: Harmonized biosphere-atmosphere exchange and implementing CLM or manual land cover change experiments
+
|GISS-GC online
−
|Jeff Geddes (BU)
+
|Lee Murray (Rochester)
−
|Science
+
|External model
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|H2 chemistry in UCX
+
|Hybrid MPI-OpenMP in GCHP
−
|Chris Holmes (FSU)
+
|Seb Eastham (MIT)<br>Killian Murphy (York)<br>Lizzie Lundgren (Harvard)
−
|Science
+
|GCHP
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Uptake of HNO3 onto coarse-mode sea salt
+
|MAPL3: Update to MAPL3 in GCHP, including replacement of ExtData.rc and HISTORY.rc with YAML files
−
|Prasad Kasibhatla (Duke)
+
|Lizzie Lundgren (Harvard)
−
|Science
+
|GCHP
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Photolysis of NITs
+
|MAPL3: Comply with MAPL "positive" standard in GCHP diagnostic files
−
|Prasad Kasibhatla (Duke)
+
|Lizzie Lundgren (Harvard)
−
|Science
+
|GCHP
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|[[POPs simulation#PCB simulation|PCB simulation]]
+
|MAPL3: Wildcards in GCHP History
−
|Colin Thackray (Harvard)<br>Carey Friedman (formerly MIT)<br>Helen Amos (formerly Harvard)
+
|Lizzie Lundgren (Harvard)
−
|Science
+
|GCHP
 
|
 
|
−
 
  
 
|-valign="top"
 
|-valign="top"
−
|New EDGAR sectoral inventory for Hg (1970-2012)
+
|MAPL3: Output emissions with positive up convention in GCHP
−
|Amanda Giang (MIT)
+
|Lizzie Lundgren (Harvard)
−
|Science
+
|GCHP
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Wet deposition parameterizations: pH dependency, Henry's law coefficients, etc.
+
|Assessment/improvement of OpenMP performance in GC-Classic and HEMCO standalone
−
|Sarah Safieddine (MIT)<br>GCST
+
|Bob Yantosca (Harvard)
−
|Science
+
|Performance
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Archive GISS met fields from RCP scenarios for community
+
|Photophysical oxidation of aldehydes
−
|Lee Murray (Rochester)
+
|Paulo Sebastianelli (Wollongong)<br>Jenny Fisher (Wollongong)
−
|Science
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Online O3-LAI coupling in GEOS-Chem
+
|DMS updates
−
|Amos Tai (CUHK)
+
|Will Porter (UCR)
−
|Science
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Clean up SOA diagnostics
+
|Furans emission and chemistry
−
|GCST
+
|Lixu Jin (Montana)<br>Lu Hu (Montana)
−
|Structural
+
|Chemistry + <br>Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Calculation consistency throughout code: surface area, HGF (via species database)
+
|Cl2 prodcution from Fe aerosol
−
|GCST
+
|Qianjie Chen (HK Poly)<br>Becky Alexander (UW)
−
|Structural
+
|Chemistry
 
|
 
|
−
 
−
|}
 
−
 
−
=== Over the horizon (6-12 months) ===
 
−
 
−
{| border=1 cellspacing=0 cellpadding=5
 
−
|- bgcolor="#cccccc"
 
−
!width="400px"|Item
 
−
!width="250px"|Author(s)
 
−
!width="80px"|Type
 
−
!width="250px"|Status
 
  
 
|-valign="top"
 
|-valign="top"
−
|GISS-GC GCHP
+
|VCP emissions
−
|Lee Murray (Rochester)
+
|Kevin Bates (CU Boulder)
−
|Science
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Dynamic fire modeling/prediction
+
|Bidirectional land-atmosphere exchange for Hg
−
|Shiliang Wu (MNT)
+
|Yuying Cui (MIT/Tsinghua)
−
|Science
+
|Hg simulation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Interannually varying ocean model BCs for Hg from ocean model
+
|OH covariances for inversions
−
|Colin Thackray (Harvard)
+
|Elise Penn (Harvard)
−
|Science
+
|Inversions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|PAH & PFCA simulations
+
|CESM2-GC offline
−
|Peter Ivatt (York)<br>Mat Evans (York)<br>Noelle Selin (MIT)<br>Colin Thackray (Harvard)
+
|Seb Eastham (ICL)<br>Lee Murray (Rochester)
−
|Science
+
|Met fields
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|CH4 in full chemistry simulation
+
|Re-binning of off-line sea salt and dust for TOMAS
−
|Seb Eastham (Harvard)
+
|Betty Croft (Dalhousie)
−
|Science
+
|Microphysics
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Standard future land use maps (PFT, LAI) for RCP/CMIP6 simulations
+
|TOMAS nucleation updates
−
|Colette Heald (MIT)<br>Loretta Mickley (Harvard)
+
|Sam O'Donnell (CSU)
−
|Science
+
|Microphysics
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Archive GISS met fields from CMIP6 scenarios for community
+
|Stratospheric aerosol APM
−
|Lee Murray (Rochester)
+
|Fangqun Yu (SUNY Albany)
−
|Science
+
|Microphysics
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Updates to cold-temperature deposition
+
|Transition from MERRA-2 to GEOS-IT for benchmarking
−
|Lyatt Jaegle (UW)
+
|Yuanjian Zhang (WashU)
−
|Science
+
|Quality Assurance
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Simple parameterization for CO2-O3 dependence of stomatal resistance
+
|Automate integration testing on AWS
−
|Amos Tai (CUHK)
+
|Yidan Tang (WashU)
−
|Science
+
|Quality Assurance
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|NH3 emissions over China
+
|Integration testing: Add across end of year run
−
|Lin Zhang (PKU)
+
|GCST
−
|Science
+
|Quality Assurance
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Using GEOS-Chem within GEOS-5
+
|Integration testing: Add GEOS-IT
−
|Loretta Mickley (Harvard)
+
|Yuanjian Zhang (WashU)
−
|Science
+
|Quality Assurance
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Carbon cycle outputs in xCO2, xCH4 as a diagnostic
+
|Separate mixing, emissions, and drydep
−
|Beata Bukosa (Wollongong)<br>Dylan Jones (UofT)
+
|Yuanjian Zhang (WashU)
−
|Science
+
|Structural
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Seasonal EMEP emissions back to 1980
+
|Intel IFX compiler
−
|Mat Evans (York)
+
|Bob Yantosca (Harvard)
−
|Science
+
|Structural
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Updates to NO2 dry deposition
+
|CMake option to only build libraries but not executable, also passing C-preprocessor statements to turn off code
−
|Brian Boys (Dalhousie)
+
|Bob Yantosca (Harvard)<br>Lee Murray (Rochester)
−
|Science
+
|Structural
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|APM update and integration with most recent GEOS-Chem version
+
|Remove differences introduced when breaking up GC-Classic runs in time; and flexible precision in HEMCO
−
|Gan Luo (SUNY Albany)
+
|Lizzie Lundgren (Harvard)
 
|Structural
 
|Structural
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Cosmogenic tracer production
+
|Limit allocation of State_Met to what is needed per simulation
−
|Lee Murray (Rochester)
+
|Melissa Sulprizio (Harvard)
−
|Science
+
|Structural
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Explore resolution-consistent dust emissions
+
|Using 3-D precipitation fluxes to calculate precipitation formation and re-evaporation in scavenging (to be consistent with GEOS/GOCART & ground precipitation)
−
*Make high-res concentrations or mass fluxes available offline, implement in met field processing
+
|Gan Luo (Albany)<br>Hongyu Liu (NIA/LaRC)<br>Bo Zhang (NIA/LaRC)
−
|David Ridley (MIT)<br>GCST<br>Nested Model WG
+
|Wet deposition
−
|Science
+
 
|
 
|
  
−
|-valign="top"
+
|}
−
|Dust emissions at nested-grid resolutions
+
−
|Yuxuan Wang (U. Houston)<br>Jun Wang (U. Iowa)
+
−
|Science
+
−
|
+
−
*Check for overlap with resolution-consistent dust emissions above
+
  
−
|-valign="top"
+
== Longer term (12-24 months)==
−
|[[Wet_deposition#Update_SO2_scavenging_in_convective_updrafts_for_consistency|Update SO2 scavenging in convective updrafts for consistency]]
+
−
|Duncan Fairlie (NASA/LARC)  
+
−
|Science
+
−
|
+
−
 
+
−
|}
+
  
−
=== 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.
  
 
{| border=1 cellspacing=0 cellpadding=5
 
{| border=1 cellspacing=0 cellpadding=5
 
|- bgcolor="#cccccc"
 
|- bgcolor="#cccccc"
−
!width="400px"|Item
+
!width="200px"|Feature
−
!width="250px"|Author(s)
+
!width="200px"|Contributor(s)
−
!width="80px"|Type
+
!width="100px"|Model scope
−
!width="250px"|Status
+
!width="420px"|Notes and References
  
 
|-valign="top"
 
|-valign="top"
−
|GCHP stretched grid
+
|Modal aerosol model (MAM7) in GCHP
−
|Jiawei Zhuang (Harvard)
+
|Shreya Sharma (MIT)
−
|Science
+
|Aerosols
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|1/8 degree nested-grid simulations with GEOS-FP
+
|Online OCIM ocean biogeochemistry
−
|Nested Model WG
+
|Lee Murray (Rochester)<br>Hannah Horowitz (UIUC)<br>Chris Holmes (FSU)
−
|Science
+
|Chemistry
 
|
 
|
−
*Wait for more interest
 
  
 
|-valign="top"
 
|-valign="top"
−
|Embedding GEOS-Chem into CESM
+
|Perchlorate chemistry
−
|Jean-Francois Lamarque (NCAR)
+
|Yuk Chun Chan (UW)
−
|Science
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Adjoint of carbon cycle simulation in GCHP
+
|Non-stomatal dry deposition (2-layer canopy model)
−
|Kevin Bowman (JPL)
+
|Michael Vermeuel (Purdue)
−
|Science
+
|Dry Deposition
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Isoprene chemistry v2 (new Caltech update)
+
|Continental chloride particle emissions (salty dust, road salt)
−
|Kelvin Bates (Caltech)
+
|Jessica Haskins (Utah)
−
|Science
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Contemporary land cover: developing historical and updated GEOS-Chem land cover maps based on satellite remote sensing
+
|Multivolatility emission inventory to address gaps in EDGAR/HTAP etc.
−
|Jeff Geddes (BU)
+
|Ruochong (Tshingua)
−
|Science
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Farquhar-Ball-Barry model to calculate stomatal resistance
+
|Lightning NOx production rates
−
|Amos Tai (CUHK)<br>Jeff Geddes (BU)
+
|Bex Horner (UCL)
−
|Science
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Impacts of chemistry on ecosystem/carbon cycle
+
|HFO and CF3CHO
−
|Kevin Bowman (JPL)<br>Anthony Bloom (JPL)
+
|Beth Killen (Wollongong)<br>Jenny Fisher (Wollongong)
−
|Science
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Improved lightning emission scheme
+
|Glyoxal updates from isoprene
−
|Lee Murray (Rochester)
+
|Tzung-May Fu (SUSTech)
−
|Science
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Resolution-independent lightning NOx
+
|Iodine chemistry
−
|Lee Murray (Rochester)
+
|Becky Alexander (UW)<br>Xuan Wang (CUHK)
−
|Science
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Bidirectional NH3 emissions
+
|GFED5 biomass burning
−
|Juliet Zhu (CSU)
+
|Eric Roy (MIT)
−
|Science
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Country-based weekday/weekend variability for EDGAR 4.2
+
|Ocean Hg surface concentrations for 2010-2020 from multi-model ensemble
−
|Lee Murray (Rochester)<br>Christoph Keller (Harvard)
+
|Eric Roy (MIT)<br>Ari Feinberg (IQF-CSIC)
−
|Science
+
|Hg simulation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Update keytone photolysis
+
|Soil Hg emissions 2010-2020
−
|Jared Brewer (CSU)<br>Emily Fischer (CSU)
+
|Eric Roy (MIT)<br>Ari Feinberg (IQF-CSIC)
−
|Science
+
|Hg simulation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Small alkyl nitrates
+
|Air-sea exchange parameterization
−
|Jenny Fisher (Wollongong)
+
|Eric Roy (MIT)
−
|Science
+
|Hg simulation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|YIBS-GC chemistry-biosphere-fire coupling
+
|Soil Hg emissions parameterization
−
|Loretta Mickley (Harvard)<br>Xu Yue (IAP)
+
|Ari Feinberg (IQF-CSIC)
−
|Science
+
|Hg simulation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Nitrogen-LAI coupling
+
|Sea salt uptake of GOM
−
|Lin Zhang (PKU)<br>Amos Tai (CUHK)
+
|Eric Roy (MIT)
−
|Science
+
|Hg simulation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Implementing humidity/VPD dependence of dry deposition
+
|Photoreduction rate constant
−
|Jennifer Murphy (U. Toronto)
+
|Eric Roy (MIT)
−
|Science
+
|Hg simulation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|SO2 wet scavenging
+
|New observations (2010-2020) in standardized Hg benchmark for intercomparison
−
|Duncan Fairlie (NASA Langley)
+
|Eric Roy (MIT)/Ari Feinberg (IQF-CSIC)
−
|Science
+
|Hg simulation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Heterogeneous sulfate production
+
|Hg simulation in GCHP
−
|Lin Zhang (PKU)<br>Becky Alexander (UW)<br>Yuxuan Wang (U. Houston)
+
|Eric Roy (MIT)
−
|Science
+
|Hg simulation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|MOSAIC implementation
+
|OCIM - biogeochemical model - (C/P/N/Fe - no Hg yet) (MATLAB)
−
|Sebastian Eastham (Harvard)
+
|Hannah Horowitz (UIUC)
−
|Science
+
|Hg simulation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Particle size climatology
+
|Possibly updating Hg oxidation chemistry based on Utah field campaigns
−
|Fangqun Yu (SUNY Albany)
+
|Jessica Haskins (Utah)
−
|Science
+
|Hg simulation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Sea salt/dust size distribution
+
|New halogen/aerosol fields (surface area / AOD) from 10-year 14.4 benchmark simulation available online
−
|David Ridley (MIT)<br>Colette Heald (MIT)
+
|Viral Shah (NASA GMAO); Eric Roy (MIT); Ari Feinberg (IQF-CSIC)
−
|Science
+
|Input data
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Updates to GTMM
+
|Extend IMI to CO2 (ICI)
−
|Rebecca Stern (Harvard)
+
|Hannah Nesser (JPL)  
−
|Science
+
|Inversions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Tracer transport ocean
+
|Global emission inventory of metals
−
|Chris Holmes (FSU)
+
|Tzung-May Fu (SUSTech); He Zhong Tian (Peking Normal U)
−
|Science
+
|Metals simulation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Include Hg in full chemistry simulation
+
|Investigate and improve performance of aerosol chemistry
−
|Noelle Selin (MIT)
+
|Bob Yantosca (Harvard)
−
|Science
+
|Performance
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Goddard seasonal weather prediction in GCHP
+
|PAH - update from version 11
−
|Kevin Bowman (JPL)
+
|Lexia Cicone (MIT)
−
|Science
+
|POPs simulation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Climate index diagnostics (drought, etc.)
+
|Species database more accessible; doc updates; TOL discussion
−
|Chemistry-ecosystems-climate WG
+
|Jessica Haskins (Utah)
 
|Structural
 
|Structural
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Joint CO/CO2/CH4 simulation
+
|Stretched-grid plotting in GCPy
−
|Nicholas Deutscher (U. Wollongong)
+
|Killian Murphy (York)
−
|Science
+
|Tools
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Carbon coupling: oceans and terrestrial models
+
|Model inter-comparison of transport (GEOS, GCHP, GCClassic)
−
|Chris Holmes (FSU)
+
|Lizzie Lundgren (Harvard), Emma Knowland (NASA)
−
|Science
+
|Transport
 
|
 
|
−
*Ocim-pure physical transport, ECCO-Darwin ocean biogeochemistry
 
  
 
|-valign="top"
 
|-valign="top"
−
|DMS oxidation scheme updating
+
|Comparing mass fluxes in GCHP vs. traditional lat/lon wind
−
|Qianjie Chen (UW)<br>Chemistry WG
+
|Yuanjian Zhang (WashU), Seb Eastham (ICL)
−
|Science
+
|Transport
−
|
+
−
 
+
−
|-valign="top"
+
−
|Limiting NH3 uptake due to OA
+
−
|Rachel Silvern (Harvard)
+
−
|Science
+
 
|
 
|
  
 
|}
 
|}
−
 
−
--[[User:Melissa Payer|Melissa Sulprizio]] ([[User talk:Melissa Payer|talk]]) 20:44, 12 May 2017 (UTC)
 

Latest revision as of 14:54, 25 July 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
ALK4 & R4N2 chemistry Jared Brewer (UMN) Chemistry Simple
Fix pressure handling in HEMCO standalone Melissa Sulprizio (Harvard) HEMCO Simple
Uncomment zeroed out Ca, Mg, and K cations passed to aerosol thermo (HETP) Becky Alexander (UW) Aerosols Simple
Add 1/2-degree GC-Classic global transport tracer run directory option for GEOS-IT Lizzie Lundgren (Harvard) Run directories Simple
New soil NOx parameterization Yi Wang (Iowa)
Jun Wang (Iowa) 		Emissions Medium
Fix obspack - not working in 14.4.0 Bob Yantosca (Harvard) Diagnostics Medium
Cloud-J v8.0 including UV H2O absorption Lizzie Lundgren (Harvard)
Michael Prather (UCI) 		Photolysis Medium
Make GC-Classic bit-for-bit reproducible upon restart Lizzie Lundgren (Harvard) GC-Classic Medium
Capture all trop and PBL height changes in budget diagnostics Chris Holmes (FSU)
Lizzie Lundgren (Harvard) 		Diagnostics 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
Retire CH4, CO2, tagCO simulations in favor of carbon simulation Melissa Sulprizio (Harvard) Carbon gases Simple
New version of CEDS at 0.1 deg Dandan Zhang (WashU) Emissions Simple Delivered June 2024
Chemistry for RCOOH, updated monoterpenes, new PNs and ANs Katie Travis (NASA)
Kelvin Bates (CU Boulder) 		GC-Classic Simple Delivered June 2024
Use USTAR read from GEOS instead of calculating from U10M and V10M Yuanjian Zhang (WashU) Emissions Simple Delivered June 2024
  • HEMCO PR #279
  • NOTE: Mass tuning factors must be recomputed for each met field & resolution (GCClassic)
Correct the issue that injection height has been artifically decreased by HEMCO Yuanjian Zhang (WashU) Emissions Simple Delivered June 2024
PPN photolysis Bex Horner (UCL) Chemistry Medium Delivered June 2024

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 (McGill)
Andreas Zuend (McGill) 		Aerosols Not delivered
Update UCX to include gravitational settling of aerosol species beyond just BCPI Conor Barker (UCL)
Eloise Marais (UCL) 		Aerosols Not delivered
Seasalt aerosol from sea ice leads (2002-2011) Hannah Horrowitz (UIUC) Aerosols Not delivered
  • Offline and online, ready to go in HEMCO (optional in addition to existing seasalt emissions)
Fire and anthropogenic emissions not currently turned on (monoterpenes, 1-butadiene etc.) Katie Travis (NASA)
Kelvin Bates (CU Boulder) 		Emissions Not delivered
Global organic N dep from various emissions; nitrate aromatics updates May Fu (SUSTech) Chemistry +
Deposition 		Not delivered
Dry deposition to F90 to improve readability Chris Holmes (FSU) Dry Deposition Not delivered
Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange Joey Lam (CUHK)
Amos Tai (CUHK) 		Dry deposition Delivered
Feb 2021
FRP-based fire emissions for eastern US at 0.2 (2019-2020) 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
  • Option. Requires processing existing anthropogenic VOC emissions to generate offline emissions to read in. Parameterised for China.
New source functions for transport tracers beryllium-7 and beryllium-10 Minjie Zheng (ETH) Emissions Delivered
June 2024
LPJ land cover (global), fire (W US), dust emissions (SW N America), 1700-2100 Yang Li (Baylor U)
Loretta Mickley (Harvard) 		Emissions Delivered
  • Data involves many files- need to think about temporal frequency
Australian Hg emissions (2000-2019) Stephen MacFarlane (Wollongong)
Jenny Fisher (Wollongong) 		Emissions Not delivered
  • MacFarlane et al. (2024)
  • Includes emissions from black and brown coal power plants, various metal production/processing sources (Aluminium, gold, copper, lead, etc), waste products, cement production, oil refining and petroleum, chlor alkali plants, and cremation
Hg geogenic emissions (volcanic, rock weathering) Eric Roy (MIT) Emissions Not delivered
Hg 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 (NUIST)
Hong Liao (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
  • This will be the default OH, but users will have the option of selecting other OH fields

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
Dust non-sphericity impacts on optical properties Inderjeet Singh (WashU) Aerosols
Fixes to stratospheric aerosol settling Connor Barker (UCL)
Eloise Marais (UCL) 		Aerosols
DMS chemistry in v14 Linia Tashmim (UCR)
Will Porter (UCR) 		Chemistry
KPP standalone + 3D Interface Obin Sturm (USC) Chemistry
NO2+OH+H2O kinetics Mat Evans (York) Chemistry
LSODES solver in KPP for faster kinetics Haipeng Lin (Harvard) Chemistry
Load balancing in chemistry solver (GCHP) Zhouran Sun (WashU) Chemistry +
Performance
Active chemistry in mesosphere for both GCHP and GCClassic Helena McDonald (MIT)
Sebastian Eastham (ICL) 		Chemistry
Updated aromatic oxidation Stephen MacFarlane (Wollongong)
Jenny Fisher (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
  • Will have to change negative emissions from soil to a first-order loss process
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
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 (FSU)
Chris Holmes (FSU) 		Dry Deposition
Dry deposition process diagnostics Holly Nowell (FSU)
Chris Holmes (FSU) 		Dry Deposition
Biomass burning for TOMAS Nicole June (CSU) Emissions +
Microphysics
Historic biomass burning (1750-2010) Pengfei Liu (Georgia Tech) Emissions
Rice methane emissions Zichong Cheng (Harvard) Emissions+
Carbon simulation
Updated bottom-up global CH4 oil, gas, and coal emissions (GFEI v3) Tia Scarpelli (Carbon Mapper)
Melissa Sulprizio (Harvard) 		Emissions
New prior CO2 biospheric fluxes from CMS-FLUX and GMAO Kevin Bowman (JPL)
Lesley Ott (GMAO) 		Emissions
  • GMAO can provide high-resolution fluxes (as high as 12 km)
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
Integration testing: Add stretched grid Lizzie Lundgren (Harvard) 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 (UCL)
Eloise Marais (UCL) 		Radiation
Continue cleanup of C-preprocessor switches Lizzie Lundgren (Harvard) Structural
Updates to Luo deposition scheme Gan Luo (Albany) Wet Deposition
  • New version, keep as switch (not default)
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 (Albany)
Fangqun Yu (Albany) 		Aerosols
Heterogeneous sulfate chemistry Katie Travis (NASA) Chemistry
H2 as an active species Seb Eastham (ICL) Chemistry
HCN, acetonitrile as fire tracers Kevin Bates (CU Boulder) Chemistry
Implement ethane in carbon simulation Yuzhong Zhang (Westlake) Chemistry
Mesospheric source of CO Dylan Jones (UofT)
Pam Wales (NASA GSFC) 		Emissions
Drought-stress algorithm Wei Li (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 Stevens (Montreal) 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 (Wollongong)
Jenny Fisher (Wollongong) 		Chemistry
DMS updates Will Porter (UCR) Chemistry
Furans emission and chemistry Lixu Jin (Montana)
Lu Hu (Montana) 		Chemistry +
Emissions
Cl2 prodcution from Fe aerosol Qianjie Chen (HK Poly)
Becky Alexander (UW) 		Chemistry
VCP emissions 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
Using 3-D precipitation fluxes to calculate precipitation formation and re-evaporation in scavenging (to be consistent with GEOS/GOCART & ground precipitation) Gan Luo (Albany)
Hongyu Liu (NIA/LaRC)
Bo Zhang (NIA/LaRC) 		Wet deposition

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 (Wollongong)
Jenny Fisher (Wollongong) 		Chemistry
Glyoxal updates from isoprene Tzung-May Fu (SUSTech) Chemistry
Iodine chemistry Becky Alexander (UW)
Xuan Wang (CUHK) 		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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