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

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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.
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'''''[[Main_Page|GEOS-Chem Main Page]] | [[GCHP_Main_Page|GCHP Main Page]]'''''
 +
 
 +
On this page we list the current priorities for GEOS-Chem development. This list is continuously updated based on code readiness and input from the Working Groups and the Steering Committee.
  
 
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.
 
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.
  
== List of priorities as of May 2017 ==
+
== Priorities assigned to upcoming GEOS-Chem versions ==
  
The items listed below are in different stages of readiness and will be included in future versions of the model.
+
=== 12.8.0 ===
  
=== Awaiting release ===
+
<span style="color:darkorange">'''This version is currently in development. See [[GEOS-Chem_12#12.8.0|the ''GEOS-Chem 12'' wiki page]] for details.'''</span>
  
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.
+
=== 12.9.0 ===
  
{| border=1 cellspacing=0 cellpadding=5
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This version will require 1-month and 1-year full-chemistry benchmarks.
|- bgcolor="#cccccc"
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!width="400px"|Item
+
!width="300px"|Author(s)
+
!width="400px"|Status
+
  
|- bgcolor="#ccffff"
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{| border=1 cellspacing=0 cellpadding=5
!colspan="3"|Science updates
+
|-bgcolor="#CCCCCC"
 +
!width="500px"|Feature
 +
!width="200px"|Submitted by
 +
!width="100px"|Type
 +
!width="300px"|Notes and References
  
 
|-valign="top"
 
|-valign="top"
|[[Updates_in_JPL_Publication_15-10|Updating chemistry rate constants based on ''JPL Publication 15-10'']]
+
!colspan="4" bgcolor="#CCFFFF"|Updates that WILL AFFECT the full-chemistry simulation
|Barron Henderson (U. Florida)<br>Mat Evans (U. York)<br>[[Chemistry Issues|Oxidants and Chemistry WG]]
+
|
+
*Included in [[GEOS-Chem v11-02#v11-02a|v11-02a]] (Approved 12 May 2017)
+
  
 
|-valign="top"
 
|-valign="top"
|[[PAN|PAN updates ]], including:
+
|[https://www.atmos-chem-phys.net/19/3981/2019/ Updated halogen chemistry]
*Updates to emissions, deposition, species, chemistry
+
|Xuan Wang (Harvard)<br>Tomas Sherwen (York)<br>Shuting Zhai (UW)
*Ocean+biogenic ALD2 emissions from Millet al. [2010]
+
|Science
|Emily Fischer (CSU)
+
 
|
 
|
*Included in [[GEOS-Chem v11-02#v11-02a|v11-02a]] (Approved 12 May 2017)
+
*Delivered to GCST (Sep 2019)
 +
*Originally implemented in v11-02e and updated to 12.5.0 by Will Downs (GCST)
  
 
|-valign="top"
 
|-valign="top"
|[[EPA/NEI11_North_American_emissions#Monthly_mean_emissions|Monthly mean NEI2011 emissions]]
+
|Fix incorrect rates in stratosphere for HOBr + SO3/HSO3
|[[GCST]]<br>Katie Travis (Harvard)
+
|Seb Eastham (MIT)
 +
|Science
 
|
 
|
*Included in [[GEOS-Chem v11-02#v11-02a|v11-02a]] (Approved 12 May 2017)
+
*[https://github.com/geoschem/geos-chem/issues/138 geoschem/geos-chem #138]
  
 
|-valign="top"
 
|-valign="top"
|Enhance default GEOS-Chem simple SOA
+
!colspan="4" bgcolor="#CCFFFF"|Updates that WILL NOT AFFECT the full-chemistry simulation
|Sal Farina (Colorado State)<br>Aerosol Working Group Chairs
+
|
+
*Included in [[GEOS-Chem v11-02#v11-02c|v11-02c]] (Approved 21 Sep 2017)
+
  
 
|-valign="top"
 
|-valign="top"
|Updates to isoprene chemistry, includes:
+
|Reduction of memory for HISTORY diagnostics with a species dimension
*Fast photolysis of carbonyl nitrates
+
|Bob Yantosca ([[GCST]])
*Aerosol uptake of organic nitrates
+
|Structural
*Updated organic deposition
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*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/issues/270 geoschem/geos-chem #270]
 
+
|-valign="top"
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|[http://acmg.seas.harvard.edu/publications/2016/Marais_SEUS_isopSOA_ACP_2016.pdf Add aqueous isoprene uptake to SOA scheme]
+
|Eloise Marais (Harvard)
+
|
+
*Included in [[GEOS-Chem v11-02#v11-02c|v11-02c]] (Approved 21 Sep 2017)
+
 
+
|-valign="top"
+
|[[Chemistry_Issues#Fixes_for_carbon_creating_reactions|Carbon balance (fix C creation)]]
+
|Sarah Safieddine (MIT)
+
|
+
*Included in [[GEOS-Chem v11-02#v11-02c|v11-02c]] (Approved 21 Sep 2017)
+
 
+
|-bgcolor="#ccffff" valign="top"
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!colspan="3"|Structural/programming updates
+
 
+
|-valign="top"
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|[[GEOS-Chem HP|Source code updates for high performance option (GCHP)]]
+
|Seb Eastham (Harvard)<br>Lizzie Lundgren (Harvard)<br>Mike Long (Harvard)<br>Jiawei Zhuang (Harvard)<br>Bob Yantosca (Harvard)
+
|
+
*Included in [[GEOS-Chem v11-02#v11-02b|v11-02b]] (Approved 16 Jun 2017)
+
  
 
|}
 
|}
  
=== Ready to go in ===
+
=== 13.0.0 ===
  
==== Slated for inclusion in v11-02 ====
+
{| border=1 cellspacing=0 cellpadding=5  
 
+
|-bgcolor="#CCCCCC"
The following items were prioritized for inclusion in [[GEOS-Chem v11-02]].
+
!width="500px"|Feature
 
+
!width="200px"|Submitted by
{| border=1 cellspacing=0 cellpadding=5
+
!width="100px"|Type
|- bgcolor="#cccccc"
+
!width="300px"|Notes and References
!width="400px"|Item
+
!width="250px"|Author(s)
+
!width="80px"|Type
+
!width="250px"|Status
+
 
+
|-
+
!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]]
+
!colspan="4" bgcolor="#CCFFFF"|Updates that will NOT affect full-chemistry simulations
|Barron Henderson (EPA)
+
|Software
+
|
+
  
 
|-valign="top"
 
|-valign="top"
|[http://www.atmos-chem-phys.net/16/12239/2016/ Halogen chemistry updates]
+
|Retire the GNU Make build system in both GEOS-Chem Classic and GCHP and replace with CMake
|Tom&aacute;s Sherwen (York)<br>Johan Schmidt (Harvard)<br>Seb Eastham (MIT)<br>Lei Zhu (Harvard)<br>[[Chemistry Issues|Oxidants and Chemistry WG]]
+
|Liam Bindle (WashU)
|Science
+
|Structural
 
|
 
|
*Delivered to GCST (Jun 2017)
 
*Slated for [[GEOS-Chem v11-02#v11-02d|v11-02d]]
 
  
 
|-valign="top"
 
|-valign="top"
|[http://onlinelibrary.wiley.com/doi/10.1002/2017GL073812/abstract Sulfur oxidation by reactive halogens]
+
|Retire the GEOS-Chem Unit Tester repository and move GEOS-Chem run directory creation to the GEOS-Chem source code repository
|Qianjie Chen (UW)
+
|Melissa Sulprizio (GCST)
|Science
+
|Structural
 
|
 
|
*Delivered to GCST (Oct 2017)
 
*Slated for [[GEOS-Chem v11-02#v11-02d|v11-02d]]
 
*Implement as part of halogen chemistry
 
  
 
|-valign="top"
 
|-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]]
+
|Make HEMCO a Git submodule in GEOS-Chem
|Xuan Wang (MIT)
+
|Science
+
|
+
*Delivered to [[GEOS-Chem Support Team|GCST]] (Jan 2016)
+
*Slated for [[GEOS-Chem v11-02#v11-02e|v11-02e]]
+
 
+
|-valign="top"
+
|[[NOx-Ox-HC-aerosol#Monthly mean surface distributions|Monthly mean surface methane distributions]]
+
|Lee Murray (NASA GISS/LDEO)
+
|Science
+
|
+
*Slated for [[GEOS-Chem v11-02#v11-02e|v11-02e]]
+
 
+
|-valign="top"
+
|[[UCX_chemistry_mechanism#v11-02|Remove initial stratospheric 2D mixing ratio option]]
+
|Seb Eastham (Harvard)
+
|Science
+
|
+
*Slated for [[GEOS-Chem v11-02#v11-02e|v11-02e]]
+
 
+
|-valign="top"
+
|[[UCX_chemistry_mechanism#UCX_stratospheric_water_boundary_condition_update|UCX stratospheric water boundary condition update]]
+
|Chris Holmes (UC Irvine)<br>Seb Eastham (Harvard)
+
|Science
+
|
+
*Slated for [[GEOS-Chem v11-02#v11-02e|v11-02e]]
+
*Delivered to GCST (Jan 2017)
+
 
+
|-valign="top"
+
|[[Sulfate_aerosols#Metal_catalyzed_oxidation_of_SO2|Metal catalyzed oxidation of SO2]] (as a switch)
+
|Becky Alexander (UW)
+
|Science
+
|
+
*Slated for [[GEOS-Chem v11-02#v11-02e|v11-02e]]
+
 
+
|-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"
+
|[[Rn-Pb-Be_simulation#Radon_flux_diagnostic|Radon flux diagnostic]]
+
 
|[[GCST]]
 
|[[GCST]]
|Benchmarking
+
|Structural
 
|
 
|
*Slated for [[GEOS-Chem v11-02#v11-02e|v11-02e]]
 
 
|-
 
!colspan="4" bgcolor="#CCFFFF"|Mercury updates
 
  
 
|-valign="top"
 
|-valign="top"
|Updates to Hg chemistry from Horowitz et al. (2017)
+
|Dynamic diagnostic array size allocation based on settings in HISTORY.rc
|Hannah Horowitz (U. Washington)<br>Colin Thackray (Harvard)<br>Rebecca Stern (Harvard)
+
|Bob Yantosca (GCST)
|Science
+
|Structural
|
+
 
+
|-valign="top"
+
|Year 2010 ocean Hg boundary conditions from ocean model
+
|Hannah Horowitz (Harvard)
+
|Science
+
|
+
 
+
|-valign="top"
+
|Historical products emissions from Zhang et al. (2016), should become default
+
|Colin Thackray (Harvard)
+
|Science
+
 
|
 
|
  
 
|-
 
|-
!colspan="4" bgcolor="#CCFFFF"|Transport updates
+
!colspan="4" bgcolor="#CCFFFF"|Features only affecting GCHP:
  
 
|-valign="top"
 
|-valign="top"
|GEOS resolution & subgrid convection
+
|Retire the existing GCHP repository and replace with a new wrapper repository that uses ESMF as an external library and integrates GEOS-Chem and NASA/GMAO GEOS-ESM git repositories as git submodules
|Karen Yu (Harvard)
+
|Lizzie Lundgren (GCST)
|Science
+
|Structural
 
|
 
|
 
|-
 
!colspan="4" bgcolor="#CCFFFF"|Emission updates
 
  
 
|-valign="top"
 
|-valign="top"
|OMI-based Volcanic emissions 2005-2012
+
|Separate HEMCO from GEOS-Chem to use as an ESMF gridded component in GCHP
|Jun Wang (U. Iowa)
+
|Lizzie Lundgren (GCST)
|Science
+
|Structural
 
|
 
|
*Delivered to Christoph Keller?
 
  
|-valign="top"
+
|}
|[[EDGAR_v4.3_anthropogenic_emissions|EDGAR v4.3.1 emissions]]
+
|Chi Li (Dalhousie)
+
|Science
+
|
+
*Delivered to GCST (Nov 2016)
+
  
|-valign="top"
+
== Priorities not yet assigned to a particular version ==
|EPA-derived BC/OA emissions over US (1990-2012)
+
|David Ridley (MIT)<br>Chi Li (Dalhousie)
+
|Science
+
|
+
*Need to coordinate between Ridley and Li versions
+
  
|-valign="top"
+
The following items have been identified as priorities for GEOS-Chem, but have not yet been assigned to a particular GEOS-Chem version.
|[[CAC_anthropogenic_emissions#Historical_emissions|Historical CAC emissions]]
+
|Chi Li (Dalhousie)
+
|Science
+
|
+
*Delivered to GCST (Nov 2016)
+
  
|-valign="top"
+
=== Ready to go in ===
|Ammonia emissions from Arctic seabirds
+
|Betty Croft (Dalhousie)
+
|Science
+
|
+
  
|-valign="top"
+
{| border=1 cellspacing=0 cellpadding=5
|[[Sulfate_aerosols#Ocean_ammonia_emission_inventory|Ocean ammonia emission inventory]]
+
|-bgcolor="#CCCCCC"
|Fabien Paulot (NOAA/GFDL)
+
!width="500px"|Feature
|Science
+
!width="200px"|Submitted by
|
+
!width="100px"|Type
*Data files delivered to GCST (Jan 2016)
+
!width="300px"|Notes
*Needs to be implemented via HEMCO
+
 
+
|-valign="top"
+
|[http://www.atmos-chem-phys.net/16/2819/2016/ A snow NOx source from deep snowpack]
+
|Maria Zatko (UW)<br>Becky Alexander (UW)
+
|Science
+
|
+
*Implemented in v9-01-01
+
*Needs to be added as a HEMCO extension
+
 
+
|-valign="top"
+
|[[MASAGE_NH3_inventory|MASAGE inventory in HEMCO as default]]
+
|Fabien Paulot (NOAA/GFDL)<br>Amos Tai (CUHK)
+
|Science
+
|
+
 
+
|-valign="top"
+
|[[MASAGE_NH3_inventory#Non-agricultural_NH3_for_use_with_MASAGE|Non-agricultural NH3 for use with MASAGE]]
+
|Amos Tai (CUHK)
+
|Science
+
|
+
 
+
|-valign="top"
+
|Radon emission update
+
|Bo Zhang (NIA/NASA Langley)
+
|Science
+
|
+
 
+
|-valign="top"
+
|[http://onlinelibrary.wiley.com/doi/10.1002/2016JD025767/full Global ethane emissions]
+
|Zitely Tzompa-Sosa (CSU)
+
|Science
+
|
+
*Delivered to GCST (May 2017)
+
 
+
|-valign="top"
+
|Inefficient combustion emissions in Africa (DICE-Africa inventory)
+
|Eloise Marais (U. Birmingham)<br>Christine Wiedinmyer (NCAR)
+
|Science
+
|
+
 
+
|-valign="top"
+
|Trash burning emissions
+
|Eloise Marais (U. Birmingham)<br>Christine Wiedinmyer (NCAR)
+
|Science
+
|
+
 
+
|-valign="top"
+
|GFAS biomass burning emissions
+
|Mat Evans (York)
+
|Science
+
|
+
 
+
|-valign="top"
+
|MEIC emissions over China
+
|Jonathan Moch (Harvard), Loretta Mickley (Harvard)
+
|Science
+
|
+
 
+
|-valign="top"
+
|Anthropogenic PM2.5 dust source
+
|Sajeev Philip (Dalhousie)
+
|Science
+
|
+
*Delivered to GCST (Mar 2017)
+
  
 
|-
 
|-
!colspan="4" bgcolor="#CCFFFF"|Deposition/surface updates
+
!colspan="4" bgcolor="#CCFFFF"|Chemistry updates
  
 
|-valign="top"
 
|-valign="top"
|Harmonizing Henry's Law coefficients across wet and dry deposition
+
|Improved wet scavenging (Luo et al., 2020)
|[[GCST]]
+
|Gan Luo (Albany)<br>Fanqun Yu (Albany)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|[[Aerosols_Working_Group#Sedimentation_of_stratospheric_aerosols|Sedimentation of stratospheric aerosols]]
+
|Implement H2 chemistry in UCX
|Sebastian Eastham (Harvard)
+
|Chris Holmes (FSU)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Wet scavenging in mixed-phase clouds
+
|Joint CO, CO2, CH4 simulation
|Bo Zhang (NIA/NASA Langley)
+
|Beata Bukosa (Wollongong)
 
|Science
 
|Science
 
|
 
|
 +
*Delivered to GCST (Jun 2019)
  
 
|-
 
|-
!colspan="4" bgcolor="#CCFFFF"|Specialty simulation updates
+
!colspan="4" bgcolor="#CCFFFF"|Emissions and surface fluxes updates
  
 
|-valign="top"
 
|-valign="top"
|Oxidant fields from v10 for 2006-2012
+
|ODIAC fossil fuel emissions for CO2 simulations
*3D chemical source for CO2, CO
+
|Jenny Fisher (UOW)<br>Yi Cao (UOW)
*OH for tagged CO & CH4
+
|Dylan Jones (UofT)
+
 
|Science
 
|Science
 
|
 
|
*Will make data files available on ftp site
+
*Delivered to GCST (Jan 2020)
  
|-valign="top"
+
|-valign="top
|[[Tagged_CO_simulation#New_tagged_CO_simulation_in_v11-02_and_later|Updated Tagged CO simulation]]
+
|Updated Streets Hg emissions
|Jenny Fisher (Wollongong)
+
|Colin Thackray (Harvard)
 
|Science
 
|Science
 
|
 
|
*Delivered to GCST (Nov 2017)
 
  
|-valign="top"
+
|-valign="top
|India nested-grid for GEOS-5
+
|Updated EDGAR 4.3 Hg emissions
|Sreleekha Chaliyakunnel (U. Minnesota)
+
|Amanda Giang (UBC)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Africa nested-grid for GEOS-FP and MERRA-2
+
|Offline CLM Harmonization
|Eloise Marais (U. Birmingham)
+
|Anthony Wong (BU)<br>Jeff Geddes (BU)
|Science
+
|
+
 
+
|-valign="top"
+
|West Africa nested-grid for GEOS-FP
+
|Mat Evans (York)<br>Eleanor Morris (York)
+
|Science
+
|
+
 
+
|-valign="top"
+
|[[Sulfate_aerosols#Tagged_sulfate_and_nitrate_simulation|Tagged sulfate simulation]]
+
|Becky Alexander (UW)
+
|Science
+
|
+
 
+
|-valign="top"
+
|Sea salt aerosol alkalinity
+
|Becky Alexander (UW)
+
|Science
+
|
+
 
+
|-valign="top"
+
|AMAP/UNEP 2035 for Hg simulation
+
|Helene Angot (MIT)
+
|Science
+
|
+
 
+
|-valign="top"
+
|Arsenic simulation
+
|Shiliang Wu (MT)
+
 
|Science
 
|Science
 
|
 
|
  
 
|-
 
|-
!colspan="4" bgcolor="#CCFFFF"|Structural updates
+
!colspan="4" bgcolor="#CCFFFF"|Aerosol updates
  
 
|-valign="top"
 
|-valign="top"
|[[GEOS-Chem_species_units|Uniformity of units]]
+
|Arctic marine SOA
|[[GCST]]
+
|Betty Croft (Dalhousie)
|Structural
+
|
+
*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"
+
|ObsPack diagnostic as netCDF replacement for planeflight_mod.F
+
|Andy Jacobson, NOAA/ESRL
+
|Structural
+
|
+
*Delivered to GCST (May 2017)
+
 
+
|-valign="top"
+
|[[GEOS-Chem_Output_Files#NetCDF_File_Format|NetCDF Output Phase 3a: Output diagnostics in NetCDF format]]
+
|[[GCST]]
+
|Structural
+
|
+
 
+
|-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]]
+
|[[GCST]]<br>Christoph Keller
+
|Bug fix/Structural
+
|
+
 
+
|-
+
!colspan="4" bgcolor="#CCFFFF"|Expansion of model capabilities
+
 
+
|-valign="top"
+
|Additional modifications for [[FlexChem]], including:
+
*Rebuild the pre-built chemistry mechanisms (Standard, Tropchem, UCX, SOA, SOA-SVPOA) with [http://www.paratools.com/Kppa Kppa]
+
*Add capability for custom chemistry mechanism by building KPP on-the-fly in GEOS-Chem
+
|Mike Long (Harvard)<br>[[GCST]]
+
|Structural
+
|
+
 
+
|-valign="top"
+
|FlexGrid: Use HEMCO I/O and regridding capabilities to read and regrid met fields
+
|Jiawei Zhuang (Harvard)<br>Jintai Lin (PKU)
+
|Structural
+
|
+
*Delivered to GCST (Oct 2016)
+
 
+
|-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]]
+
|Seb Eastham (Harvard)
+
 
|Science
 
|Science
 
|
 
|
 +
*Details on wiki only, not in standard code
  
 
|}
 
|}
  
==== Defer to v11-03 unless ready in time for v11-02 ====
+
--[[User:Melissa Payer|Melissa Sulprizio]] ([[User talk:Melissa Payer|talk]]) 16:38, 14 May 2019 (UTC)
  
{| border=1 cellspacing=0 cellpadding=5
+
=== Almost there (< 6 months) ===
|- bgcolor="#cccccc"
+
!width="400px"|Item
+
!width="250px"|Author(s)
+
!width="80px"|Type
+
!width="250px"|Status
+
 
+
|-valign="top"
+
|VBS SOa option
+
|Rokjin Park (SNU)
+
|Science
+
|
+
 
+
|-valign="top"
+
|Benchmark of stratospheric simulation
+
|Dylan Jones (U. Toronto)
+
|Benchmarking
+
|
+
*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
+
 
+
|}
+
 
+
==== Not prioritized for v11-02 ====
+
  
 
{| border=1 cellspacing=0 cellpadding=5
 
{| border=1 cellspacing=0 cellpadding=5
 
|- bgcolor="#cccccc"
 
|- bgcolor="#cccccc"
!width="400px"|Item
+
!width="500px"|Item
!width="250px"|Author(s)
+
!width="200px"|Author(s)
!width="80px"|Type
+
!width="100px"|Type
!width="250px"|Status
+
!width="300px"|Notes
  
 
|-valign="top"
 
|-valign="top"
|Sea salt emission from sea ice
+
|[https://www.geosci-model-dev.net/12/111/2019/gmd-12-111-2019.pdf Aromatic VOC chemistry]
|Jiayue Huang (UW)
+
|Kelvin Bates (Harvard)<br>Ke Li (Harvard)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Re-evaluation of SST dependence of sea salt emissions
+
|C2H4 and C2H2 chemistry
|Jiayue Huang (UW)
+
|Kelvin Bates (Harvard)<br>Ke Li (Harvard)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|[[MEGAN_v2.1_plus_Guenther_2012_biogenic_emissions#Discussion_of_LAI_Data_Sources|Update MODIS LAI fields through 2015]]
+
|Diagnostic to archive XCO2, XCO, and XCH4
|Barron Henderson (UF)
+
|Dylan Jones (Toronto)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Lightning NOx chemistry parameterization
+
|Provide archived TCR-2 GEOS-Chem OH fields for carbon simulations
|Alicia Gressent (MIT)
+
|Kazu Miyazaki (JPL)
 
|Science
 
|Science
 
|
 
|
 
|}
 
 
=== Almost there (< 6 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"
|Aromatics and dicarbonyl chemistry
+
|Evaluate the impact on the tropsophere of using the family approach for transport in the stratosphere
|William Porter (MIT)<br>Tzung-May Fu (PKU)
+
|Christoph Keller (NASA/GMAO)  
 
|Science
 
|Science
 
|
 
|
 +
*Important when [[Stratospheric_chemistry#Treatment_of_the_mesosphere_in_UCX_simulations|extending UCX into the mesosphere]]
  
 
|-valign="top"
 
|-valign="top"
|Diagnostic for species lifetime
+
|[[Stratospheric_chemistry#Treatment_of_the_mesosphere_in_UCX_simulations|Extend UCX into the mesosphere]]
|[[GCST]]
+
|Sebastian Eastham (MIT)<br>Eric Fleming (NASA GMAO)
|Science
+
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Document chemical mechanism in KPP file
+
|Examine differences in the lightning NOx schemes in GEOS-Chem and GMI
|Mat Evans (York)
+
|Christoph Keller (NASA/GMAO)<br>Lee Murray (Rochester)
|Structural
+
|
+
 
+
|-valign="top"
+
|Carbon bottom up fluxes: anthro, ocean, land
+
|Kevin Bowman (JPL)
+
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|GISS-GC (ICECAP/GCAP2) in standard model + benchmark
+
|HMS chemistry
|Lee Murray (Rochester)<br>Eric Leibensperger (SUNY Plattsburgh)
+
|Jonathan Moch (Harvard)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|CESM-GC offline coupling in standard model + benchmark
+
|Heterogeneous sulfate production
|Rokjin Park (SNU)<br>Daniel Rothenberg (MIT)
+
|Lin Zhang (PKU)<br>Becky Alexander (UW)<br>Yuxuan Wang (U. Houston)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|CESM-GC GCHP
+
|BrC aging
|Daniel Rothenberg (MIT)
+
|Xuan Wang (Harvard)<br>Melanie Hammer(Dalhousie)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Injection height for fire emissions
+
|Retire carbon-based units for VOCs
|Juliet Zhu (CSU)<br>Emily Fischer (CSU)
+
|GCST
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Diurnal variability for NH3
+
|Update of US emissions to NEI16
|Henze group
+
|Science
+
|
+
 
+
|-valign="top"
+
|EPA NEI2011 Version EK
+
|Zitely Tzompa-Sosa (CSU)<br>Emily Fischer (CSU)
+
|Science
+
|
+
 
+
|-valign="top"
+
|OH + NO2 rate update
+
 
|Barron Henderson (EPA)
 
|Barron Henderson (EPA)
 
|Science
 
|Science
Line 585: Line 265:
  
 
|-valign="top"
 
|-valign="top"
|N2O5 hydrolysis updates
+
|Updated surface ocean dissolved Hg0 from MITgcm
|Viral Shah (UW)
+
|Yanxu Zhang (Nanjing)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Land cover module: Harmonized biosphere-atmosphere exchange and implementing CLM or manual land cover change experiments
+
|One-Way Coupling w/ GISS ModelE3
|Jeff Geddes (BU)
+
|Lee Murray (Rochester)<br>Eric Leibensperger (SUNY Plattsburgh)
|Science
+
|Structural
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|H2 chemistry in UCX
+
|Shared Socioeconomic Pathways Emission Inventories
|Chris Holmes (FSU)
+
|Hong Liao (NUIST)
 
|Science
 
|Science
 
|
 
|
  
|-valign="top"
+
|}
|Uptake of HNO3 onto coarse-mode sea salt
+
|Prasad Kasibhatla (Duke)
+
|Science
+
|
+
  
|-valign="top"
+
--[[User:Melissa Payer|Melissa Sulprizio]] ([[User talk:Melissa Payer|talk]]) 16:38, 14 May 2019 (UTC)
|Photolysis of NITs
+
|Prasad Kasibhatla (Duke)
+
|Science
+
|
+
 
+
|-valign="top"
+
|[[POPs simulation#PCB simulation|PCB simulation]]
+
|Colin Thackray (Harvard)<br>Carey Friedman (formerly MIT)<br>Helen Amos (formerly Harvard)
+
|Science
+
|
+
 
+
 
+
|-valign="top"
+
|New EDGAR sectoral inventory for Hg (1970-2012)
+
|Amanda Giang (MIT)
+
|Science
+
|
+
 
+
|-valign="top"
+
|Wet deposition parameterizations: pH dependency, Henry's law coefficients, etc.
+
|Sarah Safieddine (MIT)<br>GCST
+
|Science
+
|
+
 
+
|-valign="top"
+
|Archive GISS met fields from RCP scenarios for community
+
|Lee Murray (Rochester)
+
|Science
+
|
+
 
+
|-valign="top"
+
|Online O3-LAI coupling in GEOS-Chem
+
|Amos Tai (CUHK)
+
|Science
+
|
+
 
+
|-valign="top"
+
|Clean up SOA diagnostics
+
|GCST
+
|Structural
+
|
+
 
+
|-valign="top"
+
|Calculation consistency throughout code: surface area, HGF (via species database)
+
|GCST
+
|Structural
+
|
+
 
+
|}
+
  
 
=== Over the horizon (6-12 months) ===
 
=== Over the horizon (6-12 months) ===
Line 663: Line 290:
 
{| border=1 cellspacing=0 cellpadding=5
 
{| border=1 cellspacing=0 cellpadding=5
 
|- bgcolor="#cccccc"
 
|- bgcolor="#cccccc"
!width="400px"|Item
+
!width="500px"|Item
!width="250px"|Author(s)
+
!width="200px"|Author(s)
!width="80px"|Type
+
!width="100px"|Type
!width="250px"|Status
+
!width="300px"|Notes
  
 
|-valign="top"
 
|-valign="top"
|GISS-GC GCHP
+
|Update OCS simulation in the standard code
|Lee Murray (Rochester)
+
|Kevin Bowman (JPL)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Dynamic fire modeling/prediction
+
|Examine what are the differences in the PSC implementation in GEOS-Chem and GMI and assess the implications of these differences for startospheric ozone
|Shiliang Wu (MNT)
+
|Susan Strahan (Goddard)<br>Sebastian Eastham (MIT)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Interannually varying ocean model BCs for Hg from ocean model
+
|Rediagnosis of RAS convection in GEOS-Chem
|Colin Thackray (Harvard)
+
|Tailong He (Toronto)<br>Dylan Jones (Toronto)<br>Andrea Molod (NASA/GMAO)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|PAH & PFCA simulations
+
|New schedule for tracer transport benchmarks (FP change, scavenging change, or major release)
|Peter Ivatt (York)<br>Mat Evans (York)<br>Noelle Selin (MIT)<br>Colin Thackray (Harvard)
+
|Andrea Molod (NASA/GMAO)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|CH4 in full chemistry simulation
+
|Updated cloud water pH
|Seb Eastham (Harvard)
+
|Viral Shah (Harvard)<br>Jonathan Moch (Harvard)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Standard future land use maps (PFT, LAI) for RCP/CMIP6 simulations
+
|Methylethylketone chemistry
|Colette Heald (MIT)<br>Loretta Mickley (Harvard)
+
|Jared Brewer (CSU)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Archive GISS met fields from CMIP6 scenarios for community
+
|Add sulfate dependence to SOA yield from isoprene in simple SOA
|Lee Murray (Rochester)
+
|Elo&iuml;se Marais (Leicester)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Updates to cold-temperature deposition
+
|Trace metal simulation
|Lyatt Jaegle (UW)
+
|Junwei Xu (Dalhousie)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Simple parameterization for CO2-O3 dependence of stomatal resistance
+
|Hg gas-phase photo-reduction
|Amos Tai (CUHK)
+
|Colin Thackray (Harvard)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|NH3 emissions over China
+
|Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange
|Lin Zhang (PKU)
+
|Amos Tai (CUHK)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Using GEOS-Chem within GEOS-5
+
|Canopy Physics Model
|Loretta Mickley (Harvard)
+
|Sam Silva (MIT)
|Science
+
|
+
 
+
|-valign="top"
+
|Carbon cycle outputs in xCO2, xCH4 as a diagnostic
+
|Beata Bukosa (Wollongong)<br>Dylan Jones (UofT)
+
|Science
+
|
+
 
+
|-valign="top"
+
|Seasonal EMEP emissions back to 1980
+
|Mat Evans (York)
+
|Science
+
|
+
 
+
|-valign="top"
+
|Updates to NO2 dry deposition
+
|Brian Boys (Dalhousie)
+
|Science
+
|
+
 
+
|-valign="top"
+
|APM update and integration with most recent GEOS-Chem version
+
|Gan Luo (SUNY Albany)
+
 
|Structural
 
|Structural
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Cosmogenic tracer production
+
|Landcover/Fire Emissions Offline LPJlmfire
|Lee Murray (Rochester)
+
|Loretta Mickley (Harvard)
 
|Science
 
|Science
 
|
 
|
  
|-valign="top"
+
|}
|Explore resolution-consistent dust emissions
+
*Make high-res concentrations or mass fluxes available offline, implement in met field processing
+
|David Ridley (MIT)<br>GCST<br>Nested Model WG
+
|Science
+
|
+
  
|-valign="top"
+
--[[User:Melissa Payer|Melissa Sulprizio]] ([[User talk:Melissa Payer|talk]]) 16:38, 14 May 2019 (UTC)
|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"
+
|[[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)===
 
=== Longer term (12-24 months)===
Line 790: Line 375:
 
{| border=1 cellspacing=0 cellpadding=5
 
{| border=1 cellspacing=0 cellpadding=5
 
|- bgcolor="#cccccc"
 
|- bgcolor="#cccccc"
!width="400px"|Item
+
!width="500px"|Item
!width="250px"|Author(s)
+
!width="200px"|Author(s)
!width="80px"|Type
+
!width="100px"|Type
!width="250px"|Status
+
!width="300px"|Notes
  
 
|-valign="top"
 
|-valign="top"
|GCHP stretched grid
+
|Implement isotope simulation for CO and CH4 in GCHP
|Jiawei Zhuang (Harvard)
+
|Science
+
|
+
 
+
|-valign="top"
+
|1/8 degree nested-grid simulations with GEOS-FP
+
|Nested Model WG
+
|Science
+
|
+
*Wait for more interest
+
 
+
|-valign="top"
+
|Embedding GEOS-Chem into CESM
+
|Jean-Francois Lamarque (NCAR)
+
|Science
+
|
+
 
+
|-valign="top"
+
|Adjoint of carbon cycle simulation in GCHP
+
|Kevin Bowman (JPL)
+
|Science
+
|
+
 
+
|-valign="top"
+
|Isoprene chemistry v2 (new Caltech update)
+
|Kelvin Bates (Caltech)
+
|Science
+
|
+
 
+
|-valign="top"
+
|Contemporary land cover: developing historical and updated GEOS-Chem land cover maps based on satellite remote sensing
+
|Jeff Geddes (BU)
+
|Science
+
|
+
 
+
|-valign="top"
+
|Farquhar-Ball-Barry model to calculate stomatal resistance
+
|Amos Tai (CUHK)<br>Jeff Geddes (BU)
+
|Science
+
|
+
 
+
|-valign="top"
+
|Impacts of chemistry on ecosystem/carbon cycle
+
|Kevin Bowman (JPL)<br>Anthony Bloom (JPL)
+
|Science
+
|
+
 
+
|-valign="top"
+
|Improved lightning emission scheme
+
 
|Lee Murray (Rochester)
 
|Lee Murray (Rochester)
 
|Science
 
|Science
Line 851: Line 387:
  
 
|-valign="top"
 
|-valign="top"
|Resolution-independent lightning NOx
+
|Migrate LETFK DA scheme to GCHP
|Lee Murray (Rochester)
+
|Kazu Miyazaki (JPL)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Bidirectional NH3 emissions
+
|Super fast chemistry scheme
|Juliet Zhu (CSU)
+
|Benjamin Brown-Steiner (AER)<br>Makoto Kelp (Harvard)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Country-based weekday/weekend variability for EDGAR 4.2
+
|Add non-volatile cations to ISORROPIA
|Lee Murray (Rochester)<br>Christoph Keller (Harvard)
+
|Becky Alexander (UW)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Update keytone photolysis
+
|Update Europe emissions to EMEP 2016
|Jared Brewer (CSU)<br>Emily Fischer (CSU)
+
|Eloise Marais (Leicester)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Small alkyl nitrates
+
|MEGAN3
|Jenny Fisher (Wollongong)
+
|Sam Silva (MIT)<br>Jen Kaiser (GIT)<br>Yuxuan Wang (UH)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|YIBS-GC chemistry-biosphere-fire coupling
+
|DMS oxidation scheme updating
|Loretta Mickley (Harvard)<br>Xu Yue (IAP)
+
|Becky Alexander (UW)<br>Qianjie Chen (UW)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Nitrogen-LAI coupling
+
|Streamlining of specialty simulations through HEMCO and KPP
|Lin Zhang (PKU)<br>Amos Tai (CUHK)
+
|GCST<br>Chris Holmes (FSU)<br>Colin Thackray for POPs (Harvard)<br>Peter Ivatt (York) for PAH
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Implementing humidity/VPD dependence of dry deposition
+
|Hg in WRF-GC
|Jennifer Murphy (U. Toronto)
+
|Yanxu Zhang (Nanjing)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|SO2 wet scavenging
+
|Hg with blowing snow
|Duncan Fairlie (NASA Langley)
+
|Yanxu Xhang (Nanjing)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Heterogeneous sulfate production
+
|Updated treatment of Hg in ocean
|Lin Zhang (PKU)<br>Becky Alexander (UW)<br>Yuxuan Wang (U. Houston)
+
|Science
+
|
+
 
+
|-valign="top"
+
|MOSAIC implementation
+
|Sebastian Eastham (Harvard)
+
|Science
+
|
+
 
+
|-valign="top"
+
|Particle size climatology
+
|Fangqun Yu (SUNY Albany)
+
|Science
+
|
+
 
+
|-valign="top"
+
|Sea salt/dust size distribution
+
|David Ridley (MIT)<br>Colette Heald (MIT)
+
|Science
+
|
+
 
+
|-valign="top"
+
|Updates to GTMM
+
|Rebecca Stern (Harvard)
+
|Science
+
|
+
 
+
|-valign="top"
+
|Tracer transport ocean
+
 
|Chris Holmes (FSU)
 
|Chris Holmes (FSU)
 
|Science
 
|Science
Line 941: Line 447:
  
 
|-valign="top"
 
|-valign="top"
|Include Hg in full chemistry simulation
+
|GTMM updates
|Noelle Selin (MIT)
+
|Ben Geyman (Harvard)
 
|Science
 
|Science
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Goddard seasonal weather prediction in GCHP
+
|Complex / multicomplex variables
|Kevin Bowman (JPL)
+
|Shannon Capps (Drexel)
|Science
+
|Structural
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Climate index diagnostics (drought, etc.)
+
|Build KPP when you compile GC
|Chemistry-ecosystems-climate WG
+
|GCST
 
|Structural
 
|Structural
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Joint CO/CO2/CH4 simulation
+
|Restructure source code folders
|Nicholas Deutscher (U. Wollongong)
+
|GCST
|Science
+
|Structural
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
|Carbon coupling: oceans and terrestrial models
+
|Archived CMIP6 Met Products for GEOS-Chem Input
|Chris Holmes (FSU)
+
|Lee Murray (Rochester)
 
|Science
 
|Science
 
|
 
|
*Ocim-pure physical transport, ECCO-Darwin ocean biogeochemistry
 
  
|-valign="top"
+
|}
|DMS oxidation scheme updating
+
|Qianjie Chen (UW)<br>Chemistry WG
+
|Science
+
|
+
  
|-valign="top"
+
--[[User:Melissa Payer|Melissa Sulprizio]] ([[User talk:Melissa Payer|talk]]) 16:38, 14 May 2019 (UTC)
|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)
+
'''''[[Main_Page|GEOS-Chem Main Page]] | [[GCHP_Main_Page|GCHP Main Page]]'''''

Revision as of 15:50, 3 April 2020

GEOS-Chem Main Page | GCHP Main Page

On this page we list the current priorities for GEOS-Chem development. This list is continuously updated based on code readiness and input from the Working Groups and the Steering Committee.

We also invite you to view our GEOS-Chem Support Team project management board on Trello.com, which shows the current GCST workflow.

Priorities assigned to upcoming GEOS-Chem versions

12.8.0

This version is currently in development. See the GEOS-Chem 12 wiki page for details.

12.9.0

This version will require 1-month and 1-year full-chemistry benchmarks.

Feature Submitted by Type Notes and References
Updates that WILL AFFECT the full-chemistry simulation
Updated halogen chemistry Xuan Wang (Harvard)
Tomas Sherwen (York)
Shuting Zhai (UW)
Science
  • Delivered to GCST (Sep 2019)
  • Originally implemented in v11-02e and updated to 12.5.0 by Will Downs (GCST)
Fix incorrect rates in stratosphere for HOBr + SO3/HSO3 Seb Eastham (MIT) Science
Updates that WILL NOT AFFECT the full-chemistry simulation
Reduction of memory for HISTORY diagnostics with a species dimension Bob Yantosca (GCST) Structural

13.0.0

Feature Submitted by Type Notes and References
Updates that will NOT affect full-chemistry simulations
Retire the GNU Make build system in both GEOS-Chem Classic and GCHP and replace with CMake Liam Bindle (WashU) Structural
Retire the GEOS-Chem Unit Tester repository and move GEOS-Chem run directory creation to the GEOS-Chem source code repository Melissa Sulprizio (GCST) Structural
Make HEMCO a Git submodule in GEOS-Chem GCST Structural
Dynamic diagnostic array size allocation based on settings in HISTORY.rc Bob Yantosca (GCST) Structural
Features only affecting GCHP:
Retire the existing GCHP repository and replace with a new wrapper repository that uses ESMF as an external library and integrates GEOS-Chem and NASA/GMAO GEOS-ESM git repositories as git submodules Lizzie Lundgren (GCST) Structural
Separate HEMCO from GEOS-Chem to use as an ESMF gridded component in GCHP Lizzie Lundgren (GCST) Structural

Priorities not yet assigned to a particular version

The following items have been identified as priorities for GEOS-Chem, but have not yet been assigned to a particular GEOS-Chem version.

Ready to go in

Feature Submitted by Type Notes
Chemistry updates
Improved wet scavenging (Luo et al., 2020) Gan Luo (Albany)
Fanqun Yu (Albany)
Science
Implement H2 chemistry in UCX Chris Holmes (FSU) Science
Joint CO, CO2, CH4 simulation Beata Bukosa (Wollongong) Science
  • Delivered to GCST (Jun 2019)
Emissions and surface fluxes updates
ODIAC fossil fuel emissions for CO2 simulations Jenny Fisher (UOW)
Yi Cao (UOW)
Science
  • Delivered to GCST (Jan 2020)
Updated Streets Hg emissions Colin Thackray (Harvard) Science
Updated EDGAR 4.3 Hg emissions Amanda Giang (UBC) Science
Offline CLM Harmonization Anthony Wong (BU)
Jeff Geddes (BU)
Science
Aerosol updates
Arctic marine SOA Betty Croft (Dalhousie) Science
  • Details on wiki only, not in standard code

--Melissa Sulprizio (talk) 16:38, 14 May 2019 (UTC)

Almost there (< 6 months)

Item Author(s) Type Notes
Aromatic VOC chemistry Kelvin Bates (Harvard)
Ke Li (Harvard)
Science
C2H4 and C2H2 chemistry Kelvin Bates (Harvard)
Ke Li (Harvard)
Science
Diagnostic to archive XCO2, XCO, and XCH4 Dylan Jones (Toronto) Science
Provide archived TCR-2 GEOS-Chem OH fields for carbon simulations Kazu Miyazaki (JPL) Science
Evaluate the impact on the tropsophere of using the family approach for transport in the stratosphere Christoph Keller (NASA/GMAO) Science
Extend UCX into the mesosphere Sebastian Eastham (MIT)
Eric Fleming (NASA GMAO)
Science
Examine differences in the lightning NOx schemes in GEOS-Chem and GMI Christoph Keller (NASA/GMAO)
Lee Murray (Rochester)
Science
HMS chemistry Jonathan Moch (Harvard) Science
Heterogeneous sulfate production Lin Zhang (PKU)
Becky Alexander (UW)
Yuxuan Wang (U. Houston)
Science
BrC aging Xuan Wang (Harvard)
Melanie Hammer(Dalhousie)
Science
Retire carbon-based units for VOCs GCST Science
Update of US emissions to NEI16 Barron Henderson (EPA) Science
Updated surface ocean dissolved Hg0 from MITgcm Yanxu Zhang (Nanjing) Science
One-Way Coupling w/ GISS ModelE3 Lee Murray (Rochester)
Eric Leibensperger (SUNY Plattsburgh)
Structural
Shared Socioeconomic Pathways Emission Inventories Hong Liao (NUIST) Science

--Melissa Sulprizio (talk) 16:38, 14 May 2019 (UTC)

Over the horizon (6-12 months)

Item Author(s) Type Notes
Update OCS simulation in the standard code Kevin Bowman (JPL) Science
Examine what are the differences in the PSC implementation in GEOS-Chem and GMI and assess the implications of these differences for startospheric ozone Susan Strahan (Goddard)
Sebastian Eastham (MIT)
Science
Rediagnosis of RAS convection in GEOS-Chem Tailong He (Toronto)
Dylan Jones (Toronto)
Andrea Molod (NASA/GMAO)
Science
New schedule for tracer transport benchmarks (FP change, scavenging change, or major release) Andrea Molod (NASA/GMAO) Science
Updated cloud water pH Viral Shah (Harvard)
Jonathan Moch (Harvard)
Science
Methylethylketone chemistry Jared Brewer (CSU) Science
Add sulfate dependence to SOA yield from isoprene in simple SOA Eloïse Marais (Leicester) Science
Trace metal simulation Junwei Xu (Dalhousie) Science
Hg gas-phase photo-reduction Colin Thackray (Harvard) Science
Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange Amos Tai (CUHK) Science
Canopy Physics Model Sam Silva (MIT) Structural
Landcover/Fire Emissions Offline LPJlmfire Loretta Mickley (Harvard) Science

--Melissa Sulprizio (talk) 16:38, 14 May 2019 (UTC)

Longer term (12-24 months)

Item Author(s) Type Notes
Implement isotope simulation for CO and CH4 in GCHP Lee Murray (Rochester) Science
Migrate LETFK DA scheme to GCHP Kazu Miyazaki (JPL) Science
Super fast chemistry scheme Benjamin Brown-Steiner (AER)
Makoto Kelp (Harvard)
Science
Add non-volatile cations to ISORROPIA Becky Alexander (UW) Science
Update Europe emissions to EMEP 2016 Eloise Marais (Leicester) Science
MEGAN3 Sam Silva (MIT)
Jen Kaiser (GIT)
Yuxuan Wang (UH)
Science
DMS oxidation scheme updating Becky Alexander (UW)
Qianjie Chen (UW)
Science
Streamlining of specialty simulations through HEMCO and KPP GCST
Chris Holmes (FSU)
Colin Thackray for POPs (Harvard)
Peter Ivatt (York) for PAH
Science
Hg in WRF-GC Yanxu Zhang (Nanjing) Science
Hg with blowing snow Yanxu Xhang (Nanjing) Science
Updated treatment of Hg in ocean Chris Holmes (FSU) Science
GTMM updates Ben Geyman (Harvard) Science
Complex / multicomplex variables Shannon Capps (Drexel) Structural
Build KPP when you compile GC GCST Structural
Restructure source code folders GCST Structural
Archived CMIP6 Met Products for GEOS-Chem Input Lee Murray (Rochester) Science

--Melissa Sulprizio (talk) 16:38, 14 May 2019 (UTC)


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