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

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(→‎List of priorities as of May 2017)
 
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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 from IGC8 ==
+
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
 +
 
 +
|-valign="top"
 +
|align="center"|'''[[GEOS-Chem no-diff-to-benchmark]]'''
 +
|align="center"|'''[[GEOS-Chem 14.5.0]]'''
 +
 
 +
|}
  
−
=== Slated for v11-03 ===
+
== Feature integration in progress ==
  
−
The following updates are now slated for inclusion into [[GEOS-Chem v11-03]]:
+
Features listed in this table are actively being integrated into GEOS-Chem by the [https://geoschem.github.io/support-team.html GEOS-Chem Support Team]. In addition, we continuously implement structural updates in the model to maintain and develop coupling with other models including GEOS, CESM, and the model adjoint.
  
 
{| border=1 cellspacing=0 cellpadding=5  
 
{| border=1 cellspacing=0 cellpadding=5  
 
|-bgcolor="#CCCCCC"
 
|-bgcolor="#CCCCCC"
−
!width="400px"|Feature
+
!width="200px"|Feature
−
!width="250px"|Submitted by
+
!width="200px"|Contributor(s)
−
!width="100px"|Type
+
!width="100px"|Model scope
−
!width="250px"|Status
+
!width="100px"|Ease of implementation
−
 
+
!width="300px"|Notes and References
−
|-
+
−
!colspan="4" bgcolor="#CCFFFF"|Transport updates
+
  
 
|-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]]
+
|New version of CEDS at 0.1 deg
−
|Transport WG<br>[[GCST]]
+
|Dandan Zhang (WashU)
−
|Benchmarking
+
|Emissions
 +
|Simple
 
|
 
|
−
*Ready to be added
+
*[https://github.com/geoschem/geos-chem/pull/2171 geos-chem PR #2171]
  
−
|-
+
|-valign="top"
−
!colspan="4" bgcolor="#CCFFFF"|Chemistry updates
+
|Use USTAR read from GEOS instead of calculating from U10M and V10M
 +
|Yuanjian Zhang (WashU)
 +
|Emissions
 +
|Simple
 +
|
 +
*[https://github.com/geoschem/HEMCO/pull/279 HEMCO PR #279]
 +
*NOTE: WashU will recompute mass tuning factors for each met field & resolution (GCClassic)
  
 
|-valign="top"
 
|-valign="top"
−
|[[Stratospheric_chemistry#Treatment_of_the_mesosphere_in_UCX_simulations|Extend UCX into the mesosphere]]
+
|Ongoing carbon simulation fixes in GCClassic and GCHP
−
|Sebastian Eastham (MIT)
+
|GCST
−
|Science
+
|Carbon simulation
 +
|Medium
 
|
 
|
−
*Ready to be added
+
*[https://github.com/geoschem/GCHP/issues/440 GCHP issue #440]
 +
*[https://github.com/geoschem/geos-chem/issues/2463 geos-chem issue #2463]
 +
*[https://github.com/geoschem/geos-chem/pull/2510 geos-chem PR #2510]
  
 
|-valign="top"
 
|-valign="top"
−
|[[Chemistry_Issues#Script_for_evaluating_carbon_balance|Script for checking N, C, etc. balance in chemistry mechanism]]
+
|Investigate potential performance gains of replacing the KPP Rosenbrock solver with the LSODE solver
−
|Barron Henderson (EPA)
+
|Bob Yantosca (Harvard)
−
|Software
+
|Chemistry
 +
|Medium
 
|
 
|
−
*
+
*[https://github.com/geoschem/geos-chem/pull/2482 geos-chem PR #2482]
−
 
+
*[https://github.com/geoschem/geos-chem/pull/2483 geos-chem PR #2483]
−
|-
+
−
!colspan="4" bgcolor="#CCFFFF"|Emissions updates
+
  
 
|-valign="top"
 
|-valign="top"
−
|[[Volcanic_SO2_emissions_from_Aerocom#OMI-based_volcanic_emissions|OMI-based volcanic emissions 2005-2012]]
+
|Fix obspack - not working in 14.4.0
−
|Cui Ge (U. Iowa)<br>Jun Wang (U. Iowa)
+
|Bob Yantosca (Harvard)
−
|Science
+
|Diagnostics
 +
|Medium
 
|
 
|
−
*Delivered to GCST (Nov 2017)
+
*[https://github.com/geoschem/geos-chem/issues/2328 geos-chem issue #2328]
−
*Need to implement a fix to handle missing data for the last 3 months of 2012. Deferred to v11-03.
+
  
 
|-valign="top"
 
|-valign="top"
−
|[[Mineral_dust_aerosols#Anthropogenic_PM2.5_dust_source_in_GEOS-Chem|Anthropogenic PM2.5 dust source]]
+
|Make GC-Classic bit-for-bit reproducible upon restart<br>(part 1 of 2)
−
|Sajeev Philip (Dalhousie)
+
|Lizzie Lundgren (Harvard)
−
|Science
+
|GC-Classic
 +
|Medium
 
|
 
|
−
*Deferred to v11-03. Need to fix an "under-the-hood" issue in HEMCO that causes 1200 Tg of dust to be emitted by this update.
+
*[https://github.com/geoschem/geos-chem/pull/2521 geos-chem PR #2521]
  
 
|-valign="top"
 
|-valign="top"
−
|[[FINNv1_biomass_burning_emissions|FINN biomass burning emissions for 2014-2016]]
+
|Capture all trop and PBL height changes in budget diagnostics
−
|Barron Henderson (US EPA)
+
|Chris Holmes (FSU)<br>Lizzie Lundgren (Harvard)
−
|Science
+
|Diagnostics
 +
|Medium
 
|
 
|
−
*Deferred to v11-03, pending receipt of corrected data files
+
*[https://github.com/geoschem/geos-chem/pull/2103 geos-chem PR 2103]
 +
 
 +
|}
 +
 
 +
== Prioritized and in the queue ==
 +
 
 +
Features listed in this table are prioritized for integration into GEOS-Chem in the near future.
 +
 
 +
{| border=1 cellspacing=0 cellpadding=5
 +
|-bgcolor="#CCCCCC"
 +
!width="200px"|Feature
 +
!width="200px"|Contributor(s)
 +
!width="100px"|Model scope
 +
!width="100px"|Ease of implementation
 +
!width="100px"|Delivery status
 +
!width="300px"|Notes and References
  
 
|-valign="top"
 
|-valign="top"
−
|EPA NEI2011 Version EK
+
|Retire CH4, CO2, tagCO simulations in favor of carbon simulation
−
|Zitely Tzompa-Sosa (CSU)<br>Emily Fischer (CSU)
+
|Melissa Sulprizio (Harvard)
−
|Science
+
|Carbon gases
 +
|Simple
 +
|
 
|
 
|
−
*Deferred to v11-03; need extra time for validation
+
*[https://github.com/geoschem/geos-chem/issues/2387 geos-chem issue #2387]
  
 
|-valign="top"
 
|-valign="top"
−
|Grid-independent emissions, including:
+
|Derive convective precipitation flux if using FP/IT generated with Grell-Freitas
−
*Lightning NOx emissions (3-hourly)
+
|Yuanjian Zhang (WashU)<br>Viral Shah (GMAO)
−
*Dust emissions (hourly)
+
|Convection
−
*Biogenic and sea salt emissions (hourly)
+
|Simple
−
|Randall Martin (Dalhousie)<br>Lee Murray (Rochester)<br>David Ridley (MIT)<br>Jintai Lin (PKU)
+
−
|Science
+
 
|
 
|
−
*Mostly complete, but deferred to v11-03. Need to download data from developers.
+
|
 +
*[https://github.com/geoschem/geos-chem/issues/2469 geos-chem Issue #2469]
  
 
|-valign="top"
 
|-valign="top"
−
|EPA-derived BC/OA emissions over US (1990-2012)
+
|Correct the issue that injection height has been artifically decreased by HEMCO
−
|David Ridley (MIT)<br>Chi Li (Dalhousie)
+
|Lixu Jun (Montana)
−
|Science
+
|Emissions
 +
|Simple
 +
|Delivered June 2024
 
|
 
|
−
*Need to coordinate between Ridley and Li versions
+
*[https://github.com/geoschem/geos-chem/issues/2330 geos-chem issue #2330]
 +
*[https://github.com/geoschem/geos-chem/pull/2358 geos-chem PR #2358]
  
 
|-valign="top"
 
|-valign="top"
−
|[[Sulfate_aerosols#Ocean_ammonia_emission_inventory|Ocean ammonia emission inventory]]
+
|Capability to run GCClassic at 0.125x0.15625 resolution
−
|Fabien Paulot (NOAA/GFDL)
+
|Melissa Sulprizio (Harvard)<br>Xiaolin Wang (Harvard)
−
|Science
+
|Nested grid
 +
|Simple
 +
|Delivered
 
|
 
|
−
*Data files delivered to GCST (Jan 2016)
+
*[https://github.com/geoschem/geos-chem/pull/1980 geos-chem PR #1980]
−
*Needs to be implemented via HEMCO
+
*[https://github.com/geoschem/HEMCO/pull/290 HEMCO PR #290]
  
 
|-valign="top"
 
|-valign="top"
−
|[http://www.atmos-chem-phys.net/16/2819/2016/ A snow NOx source from deep snowpack]
+
|Strat-adjusted RF in GCC and GCHP
−
|Maria Zatko (UW)<br>Becky Alexander (UW)
+
|Connor Barker (UCL)<br>Eloise Marais (UCL)
−
|Science
+
|Radiation
 +
|Simple
 +
|Delivered
 
|
 
|
−
*Delivered to GCST (Nov 2017)
+
*[https://github.com/geoschem/geos-chem/pull/2525 geos-chem PR #2525]
−
*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]]
+
|Dust non-sphericity impacts on optical properties
−
|Fabien Paulot (NOAA/GFDL)<br>Amos Tai (CUHK)
+
|Inderjeet Singh (WashU)
−
|Science
+
|Aerosols
 +
|Medium
 +
|Not yet delivered
 
|
 
|
 +
 +
|}
 +
 +
== 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.
 +
 +
{| border=1 cellspacing=0 cellpadding=5
 +
|-bgcolor="#CCCCCC"
 +
!width="200px"|Feature
 +
!width="200px"|Contributor(s)
 +
!width="100px"|Model scope
 +
!width="100px"|Delivery status
 +
!width="300px"|Notes and Refereneces
  
  
 
|-valign="top"
 
|-valign="top"
−
|[[MASAGE_NH3_inventory#Non-agricultural_NH3_for_use_with_MASAGE|Non-agricultural NH3 for use with MASAGE]]
+
|Binary Activity Thermodynamic (BAT) model for non-ideal mixing of water and organics in organic aerosol
−
|Amos Tai (CUHK)
+
|Camilo Serrano (McGill)<br>Andreas Zuend (McGill)
−
|Science
+
|Aerosols
 +
|Not delivered
 
|
 
|
 +
*[https://github.com/geoschem/geos-chem/issues/2392 geos-chem issue #2392]
  
 
|-valign="top"
 
|-valign="top"
−
|Radon emission update
+
|Update UCX to include gravitational settling of aerosol species beyond just BCPI
−
|Bo Zhang (NIA/NASA Langley)
+
|Conor Barker (UCL)<br>Eloise Marais (UCL)
−
|Science
+
|Aerosols
 +
|Not delivered
 
|
 
|
−
*Delivered to GCST (Nov 2017)
 
−
*Implementation pending paper submission
 
  
 
|-valign="top"
 
|-valign="top"
−
|GFAS biomass burning emissions
+
|Seasalt aerosol from sea ice leads (2002-2011)
−
|Mat Evans (York)
+
|Hannah Horrowitz (UIUC)
−
|Science
+
|Aerosols
 +
|Not delivered
 
|
 
|
 +
*Offline and online, ready to go in HEMCO (optional in addition to existing seasalt emissions)
  
−
|-
+
|-valign="top"
−
!colspan="4" bgcolor="#CCFFFF"|Deposition/surface updates
+
|Global organic N dep from various emissions; nitrate aromatics updates
 +
|May Fu (SUSTech)
 +
|Chemistry +<br>Deposition
 +
|Not delivered
 +
|
  
 
|-valign="top"
 
|-valign="top"
−
|Wet scavenging in mixed-phase clouds
+
|Dry deposition to F90 to improve readability
−
|Bo Zhang (NIA/NASA Langley)
+
|Chris Holmes (FSU)
−
|Science
+
|Dry Deposition
 +
|Not delivered
 
|
 
|
−
*Delivered to GCST (Nov 2017)
+
*[https://github.com/geoschem/geos-chem/issues/2389 geos-chem issue #2389]
−
*Only applied/tested for Pb
+
−
*Implementation pending paper submission
+
  
 
|-valign="top"
 
|-valign="top"
−
|Harmonizing Henry's Law coefficients across wet and dry deposition
+
|Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange
−
|[[GCST]]
+
|Joey Lam  (CUHK)<br>Amos Tai (CUHK)
−
|Science
+
|Dry deposition
 +
|Delivered<br>Feb 2021
 
|
 
|
−
*Work not started yet. Will need input from the community.
+
*[https://github.com/geoschem/geos-chem/pull/629 geos-chem PR #629]
  
 
|-valign="top"
 
|-valign="top"
−
|[[Aerosols_Working_Group#Sedimentation_of_stratospheric_aerosols|Sedimentation of stratospheric aerosols]]
+
|FRP-based fire emissions for eastern US at 0.2 (2019-2020)
−
|Sebastian Eastham (Harvard)
+
|Chris Holmes (FSU)
−
|Science
+
|Emissions
 +
|Not delivered
 
|
 
|
 +
*[https://github.com/geoschem/geos-chem/issues/2388 geos-chem issue #2388]
  
−
|-
+
|-valign="top"
−
!colspan="4" bgcolor="#CCFFFF"|Aerosol updates
+
|China agriculture NH3 emissions
 +
|Amos Tai (CUHK)
 +
|Emissions
 +
|Not delivered
 +
|
  
 
|-valign="top"
 
|-valign="top"
−
|Sea salt aerosol alkalinity
+
|T-dependent anthropogenic VOCs
−
|Qianjie Chen (UW)<br>Becky Alexander (UW)<br>Xuan Wang (Harvard)
+
|May Fu (SUSTech)
−
|Science
+
|Emissions
 +
|Not delivered
 
|
 
|
−
*UW version 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"
−
|VBS SOA option
+
|New source functions for transport tracers beryllium-7 and beryllium-10
−
|Rokjin Park (SNU)
+
|Minjie Zheng (ETH)
−
|Science
+
|Emissions
 +
|Delivered<br>June 2024
 
|
 
|
 +
*Available at https://zenodo.org/records/8372652
  
−
|-
+
|-valign="top"
−
!colspan="4" bgcolor="#CCFFFF"|Specialty simulation updates
+
|LPJ land cover (global), fire (W US), dust emissions (SW N America), 1700-2100
 +
|Yang Li (Baylor U)<br>Loretta Mickley (Harvard)
 +
|Emissions
 +
|Delivered
 +
|
 +
*Data involves many files- need to think about temporal frequency
  
 
|-valign="top"
 
|-valign="top"
−
|Oxidant fields from v10 for 2006-2012
+
|Australian Hg emissions (2000-2019)
−
*3D chemical source for CO2, CO
+
|Stephen MacFarlane (Wollongong)<br>Jenny Fisher (Wollongong)
−
*OH for tagged CO & CH4
+
|Emissions
−
|Dylan Jones (UofT)
+
|Not delivered
−
|Science
+
 
|
 
|
−
*Will make data files available on ftp site
+
*[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"
−
|Year 2010 ocean Hg boundary conditions from ocean model
+
|Hg geogenic emissions (volcanic, rock weathering)
−
|Hannah Horowitz (Harvard)
+
|Eric Roy (MIT)
−
|Science
+
|Emissions
 +
|Not delivered
 
|
 
|
 +
*[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"
−
|Historical products emissions from Zhang et al. (2016), should become default
+
|Hg biomass burning - FINN2.5 & GFED4
−
|Colin Thackray (Harvard)
+
|Eric Roy (MIT)
−
|Science
+
|Emissions
 +
|Not delivered
 
|
 
|
 +
*[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"
−
|AMAP/UNEP 2035 for Hg simulation
+
|BCC-GC online
−
|Helene Angot (MIT)
+
|Lin Zhang (PKU)
−
|Science
+
|External Model
 +
|Not delivered
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Africa nested-grid for GEOS-FP and MERRA-2
+
|GC-YIBS with online fire emissions
−
|Eloise Marais (U. Birmingham)
+
|Xu Yue (NUIST)<br>Hong Liao (NUIST)
−
|Science
+
|External Model
 +
|Not delivered
 
|
 
|
−
*Delivered to GCST (Dec 2017)
 
  
 
|-valign="top"
 
|-valign="top"
−
|West Africa nested-grid for GEOS-FP
+
|GISS-GC offline (GCAP)
−
|Mat Evans (York)<br>Eleanor Morris (York)
+
|Lee Murray (Rochester)
−
|Science
+
|GCAP
 +
|Not delivered
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|[[Sulfate_aerosols#Tagged_sulfate_and_nitrate_simulation|Tagged sulfate simulation]]
+
|Archived TCR-2 OH fields for carbon simulations
−
|Becky Alexander (UW)
+
|Kazu Miyazaki (JPL)
−
|Science
+
|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.
 +
 +
{|border=1 cellspacing=0 cellpadding=5
 +
|- bgcolor="#cccccc"
 +
!width="200px"|Feature
 +
!width="200px"|Contributor(s)
 +
!width="100px"|Model scope
 +
!width="420px"|Notes and References
  
 
|-valign="top"
 
|-valign="top"
−
|Arsenic simulation
+
|Fixes to stratospheric aerosol settling
−
|Shiliang Wu (MT)
+
|Connor Barker (UCL)<br>Eloise Marais (UCL)
−
|Science
+
|Aerosols
 
|
 
|
  
−
|-
+
|-valign="top"
−
!colspan="4" bgcolor="#CCFFFF"|Structural updates
+
|DMS chemistry in v14
 +
|Linia Tashmim (UCR)<br>Will Porter (UCR)
 +
|Chemistry
 +
|
  
 
|-valign="top"
 
|-valign="top"
−
|Updated flux diagnostics
+
|KPP standalone + 3D Interface
−
|Chris Holmes (Florida State)<br>[[GCST]]
+
|Obin Sturm (USC)
−
|Structural/<br>Benchmarking
+
|Chemistry
 
|
 
|
−
*Deferred to v11-03
 
  
 
|-valign="top"
 
|-valign="top"
−
|Additional modifications for [[FlexChem]], including:
+
|NO2+OH+H2O kinetics
−
*Rebuild the pre-built chemistry mechanisms (Standard, Tropchem, SOA-SVPOA) with [http://www.paratools.com/Kppa Kppa]
+
|Mat Evans (York)
−
*Add capability for custom chemistry mechanism by building KPP on-the-fly in GEOS-Chem
+
|Chemistry
−
|[[GCST]]
+
−
|Structural
+
 
|
 
|
−
*Work not started yet
 
  
 
|-valign="top"
 
|-valign="top"
−
|Benchmark of stratospheric simulation
+
|LSODES solver in KPP for faster kinetics
−
|Dylan Jones (U. Toronto)
+
|Haipeng Lin (Harvard)
−
|Benchmarking
+
|Chemistry
 
|
 
|
−
*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"
−
|Add total column O3 to benchmarks
+
|Load balancing in chemistry solver (GCHP)
−
|Chris Holmes (FSU)<br>[[GCST]]
+
|Zhouran Sun (WashU)
−
|Benchmarking
+
|Chemistry +<br>Performance
 
|
 
|
−
*Deferred until v11-03
 
  
 
|-valign="top"
 
|-valign="top"
−
|[[GEOS-Chem_species_units|Uniformity of units]]
+
|Active chemistry in mesosphere for both GCHP and GCClassic
−
|[[GCST]]
+
|Helena McDonald (MIT)<br>Sebastian Eastham (ICL)
−
|Structural
+
|Chemistry
 
|
 
|
−
*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
+
|Updated aromatic oxidation
−
|Andy Jacobson (NOAA/ESRL)
+
|Stephen MacFarlane (Wollongong)<br>Jenny Fisher (Wollongong)
−
|Structural
+
|Chemistry
 
|
 
|
−
*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]]
+
|MCO3 uptake by cloud forming MP; leading to lower PAN
−
|[[GCST]]<br>Christoph Keller
+
|Laura Yang (Harvard)
−
|Bug fix/Structural
+
|Chemistry
 
|
 
|
  
−
|-
+
|-valign="top"
−
!colspan="4" bgcolor="#CCFFFF"|Expansion of model capabilities
+
|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
  
 
|-valign="top"
 
|-valign="top"
−
|[[FlexGrid|FlexGrid: Use HEMCO to read met fields and enable nested simulations over any custom domains]]
+
|Documentation for adding additional aerosol species
−
|Jiawei Zhuang (Harvard)<br>Jintai Lin (PKU)
+
|Connor Barker (UCL)
−
|Structural
+
|Documentation
 
|
 
|
−
*Delivered to GCST (Oct 2016)
 
−
*Deferred to v11-03
 
  
 
|-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]]
+
|Column diagnostics
−
|Seb Eastham (Harvard)
+
|Lizzie Lundgren (Harvard)<br>Viral Shah (GMAO)
−
|Science
+
|Diagnostics
 
|
 
|
−
*Delivered to GCST (May 2017)
 
  
 
|-valign="top"
 
|-valign="top"
−
|Archival of roughness length for temperature z0T
+
|TOMAS rate diagnostics -- improve performance
−
|[[GCST]]
+
|Betty Croft (WashU/Dal)
−
|Met processing
+
|Diagnostics +<br>Performance
 
|
 
|
−
*Work not started yet
 
−
|}
 
  
−
=== Not prioritized for v11-03 ===
+
|-valign="top"
 +
|Archive gamma values from heterogeneous chemistry
 +
|Bob Yantosca (Harvard)
 +
|Diagnostics
 +
|
  
−
{| border=1 cellspacing=0 cellpadding=5
+
|-valign="top"
−
|- bgcolor="#cccccc"
+
|RRTMG Documentation
−
!width="400px"|Item
+
|GCST
−
!width="250px"|Author(s)
+
|Documentation
−
!width="100px"|Type
+
|
−
!width="250px"|Status
+
  
 
|-valign="top"
 
|-valign="top"
−
|Sea salt emission from sea ice
+
|Canopy Physics Model
−
|Jiayue Huang (UW)
+
|Sam Silva (MIT)
−
|Science
+
|Dry Deposition
 
|
 
|
 +
*Available at https://zenodo.org/records/3614062#.XzvrH5NKjOR (GEOS-Chem 12.3.0)
  
 
|-valign="top"
 
|-valign="top"
−
|Re-evaluation of SST dependence of sea salt emissions
+
|Dry deposition diagnostics by land cover
−
|Jiayue Huang (UW)
+
|Holly Nowell (FSU)<br>Chris Holmes (FSU)
−
|Science
+
|Dry Deposition
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|[[MEGAN_v2.1_plus_Guenther_2012_biogenic_emissions#Discussion_of_LAI_Data_Sources|Update MODIS LAI fields through 2015]]
+
|Dry deposition process diagnostics
−
|Barron Henderson (UF)
+
|Holly Nowell (FSU)<br>Chris Holmes (FSU)
−
|Science
+
|Dry Deposition
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Lightning NOx chemistry parameterization
+
|Biomass burning for TOMAS
−
|Alicia Gressent (MIT)
+
|Nicole June (CSU)
−
|Science
+
|Emissions +<br>Microphysics
 
|
 
|
  
−
|}
+
|-valign="top"
 +
|Historic biomass burning (1750-2010)
 +
|Pengfei Liu (Georgia Tech)
 +
|Emissions
 +
|
  
−
=== Almost there (< 6 months) ===
+
|-valign="top"
 +
|Rice methane emissions
 +
|Zichong Cheng (Harvard)
 +
|Emissions+<br>Carbon simulation
 +
|
  
−
{| border=1 cellspacing=0 cellpadding=5
+
|-valign="top"
−
|- bgcolor="#cccccc"
+
|Updated bottom-up global CH4 oil, gas, and coal emissions (GFEI v3)
−
!width="400px"|Item
+
|Tia Scarpelli (Carbon Mapper)<br>Melissa Sulprizio (Harvard)
−
!width="250px"|Author(s)
+
|Emissions
−
!width="100px"|Type
+
|
−
!width="250px"|Status
+
  
 
|-valign="top"
 
|-valign="top"
−
|[https://www.geosci-model-dev-discuss.net/gmd-2017-125/ GEOS resolution & subgrid convection]
+
|New prior CO2 biospheric fluxes from CMS-FLUX and GMAO
−
|Karen Yu (Harvard)
+
|Kevin Bowman (JPL)<br>Lesley Ott (GMAO)
−
|Science
+
|Emissions
 
|
 
|
−
*To be installed by Bob Yantosca (Harvard), tested by Tailong He (Toronto)
+
*GMAO can provide high-resolution  fluxes (as high as 12 km)
  
 
|-valign="top"
 
|-valign="top"
−
|Updated chlorine chemistry
+
|Snowpack Br2 emission
−
|Xuan Wang (Harvard)
+
|Chris Holmes (FSU)
−
|Science
+
|Emissions
 
|
 
|
−
*Defer until the paper is submitted
 
  
 
|-valign="top"
 
|-valign="top"
−
|[[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]]
+
|EDGAR v8.1_toxHg emissions for 1970-2022
−
|Katie Travis (MIT)
+
|Eric Roy (MIT)
−
|Structural
+
|Emissions
 
|
 
|
−
*Defer until the paper is submitted
 
  
 
|-valign="top"
 
|-valign="top"
−
|Aromatics and dicarbonyl chemistry
+
|Improve pressure handling in GCHP advection
−
|William Porter (MIT)<br>Tzung-May Fu (PKU)
+
|Yuanjian Zhang (WashU)<br>Seb Eastham (ICL)
−
|Science
+
|GCHP
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Diagnostic for species lifetime
+
|Add error trap for duplicate scale factors in HEMCO
−
|[[GCST]]
+
|Bob Yantosca (Harvard)
−
|Science
+
|HEMCO
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Document chemical mechanism in KPP file
+
|Integration testing: Add stretched grid
−
|Mat Evans (York)
+
|Lizzie Lundgren (Harvard)
−
|Structural
+
|Quality Assurance
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Carbon bottom up fluxes: anthro, ocean, land
+
|Integration testing: Add GCHP mass flux run
−
|Kevin Bowman (JPL)
+
|Lizzie Lundgren (Harvard)
−
|Science
+
|Quality Assurance
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|GISS-GC (ICECAP/GCAP2) in standard model + benchmark
+
|Integration testing: Reinstate TOMAS40
−
|Lee Murray (Rochester)<br>Eric Leibensperger (SUNY Plattsburgh)
+
|Betty Croft (Dalhousie/WashU)
−
|Science
+
|Quality Assurance
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|CESM-GC offline coupling in standard model + benchmark
+
|Continue cleanup of C-preprocessor switches
−
|Rokjin Park (SNU)<br>Daniel Rothenberg (MIT)
+
|Lizzie Lundgren (Harvard)
−
|Science
+
|Structural
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|CESM-GC GCHP
+
|Updates to Luo deposition scheme
−
|Daniel Rothenberg (MIT)
+
|Gan Luo (Albany)
−
|Science
+
|Wet Deposition
 
|
 
|
 +
*New version, keep as switch (not default)
  
 
|-valign="top"
 
|-valign="top"
−
|Injection height for fire emissions
+
|Testing the use of a new scavenging parameterization developed by Luo and Yu for cold cloud with Pb-210 aerosol tracer
−
|Juliet Zhu (CSU)<br>Emily Fischer (CSU)
+
|Gan Luo (Albany)<br>Fangqun Yu (Albany)
−
|Science
+
|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.
 +
 +
{| border=1 cellspacing=0 cellpadding=5
 +
|- bgcolor="#cccccc"
 +
!width="200px"|Feature
 +
!width="200px"|Contributor(s)
 +
!width="100px"|Model scope
 +
!width="420px"|Notes and References
  
 
|-valign="top"
 
|-valign="top"
−
|Diurnal variability for NH3
+
|ML algorithms for bulk aerosol
−
|Henze group
+
|Arshad Nair (Albany)<br>Fangqun Yu (Albany)
−
|Science
+
|Aerosols
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|OH + NO2 rate update
+
|Heterogeneous sulfate chemistry
−
|Barron Henderson (EPA)
+
|Katie Travis (NASA)
−
|Science
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|N2O5 hydrolysis updates
+
|H2 as an active species
−
|Viral Shah (UW)
+
|Seb Eastham (ICL)
−
|Science
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Land cover module: Harmonized biosphere-atmosphere exchange and implementing CLM or manual land cover change experiments
+
|HCN, acetonitrile as fire tracers
−
|Jeff Geddes (BU)
+
|Kevin Bates (CU Boulder)
−
|Science
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|H2 chemistry in UCX
+
|Implement ethane in carbon simulation
−
|Chris Holmes (FSU)
+
|Yuzhong Zhang (Westlake)
−
|Science
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Uptake of HNO3 onto coarse-mode sea salt
+
|Mesospheric source of CO
−
|Prasad Kasibhatla (Duke)
+
|Dylan Jones (UofT)<br>Pam Wales (NASA GSFC)
−
|Science
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Photolysis of NITs
+
|Drought-stress algorithm
−
|Prasad Kasibhatla (Duke)
+
|Wei Li (Houston)
−
|Science
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|[[POPs simulation#PCB simulation|PCB simulation]]
+
|Physically-based resolution correction for BVOC emissions using MEGAN
−
|Colin Thackray (Harvard)<br>Carey Friedman (formerly MIT)<br>Helen Amos (formerly Harvard)
+
|May Fu (SUSTech)
−
|Science
+
|Emissions
 
|
 
|
  
 +
|-valign="top"
 +
|Canadian forest fire prediction system (Canada government forecast model)
 +
|Robin Stevens (Montreal)
 +
|Emissions
 +
|
  
 
|-valign="top"
 
|-valign="top"
−
|New EDGAR sectoral inventory for Hg (1970-2012)
+
|Cooking emissions (not biofuel)
−
|Amanda Giang (MIT)
+
|Kelvin Bates (CU Boulder)
−
|Science
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Wet deposition parameterizations: pH dependency, Henry's law coefficients, etc.
+
|State-specific annual emissions scaling factors (US) (1990-2021)
−
|Sarah Safieddine (MIT)<br>GCST
+
|Ishir Dutta (MIT)
−
|Science
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Archive GISS met fields from RCP scenarios for community
+
|GISS-GC online
 
|Lee Murray (Rochester)
 
|Lee Murray (Rochester)
−
|Science
+
|External model
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Online O3-LAI coupling in GEOS-Chem
+
|Hybrid MPI-OpenMP in GCHP
−
|Amos Tai (CUHK)
+
|Seb Eastham (MIT)<br>Killian Murphy (York)<br>Lizzie Lundgren (Harvard)
−
|Science
+
|GCHP
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Clean up SOA diagnostics
+
|MAPL3: Update to MAPL3 in GCHP, including replacement of ExtData.rc and HISTORY.rc with YAML files
−
|GCST
+
|Lizzie Lundgren (Harvard)
−
|Structural
+
|GCHP
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Calculation consistency throughout code: surface area, HGF (via species database)
+
|MAPL3: Comply with MAPL "positive" standard in GCHP diagnostic files
−
|GCST
+
|Lizzie Lundgren (Harvard)
−
|Structural
+
|GCHP
 
|
 
|
  
−
|}
+
|-valign="top"
 +
|MAPL3: Wildcards in GCHP History
 +
|Lizzie Lundgren (Harvard)
 +
|GCHP
 +
|
  
−
=== Over the horizon (6-12 months) ===
+
|-valign="top"
 +
|MAPL3: Output emissions with positive up convention in GCHP
 +
|Lizzie Lundgren (Harvard)
 +
|GCHP
 +
|
  
−
{| border=1 cellspacing=0 cellpadding=5
+
|-valign="top"
−
|- bgcolor="#cccccc"
+
|Assessment/improvement of OpenMP performance in GC-Classic and HEMCO standalone
−
!width="400px"|Item
+
|Bob Yantosca (Harvard)
−
!width="250px"|Author(s)
+
|Performance
−
!width="100px"|Type
+
|
−
!width="250px"|Status
+
  
 
|-valign="top"
 
|-valign="top"
−
|MEIC emissions over China (2000-2015)
+
|Photophysical oxidation of aldehydes
−
|Lu Shen (Harvard)<br>Melissa Sulprizio (Harvard)
+
|Paulo Sebastianelli (Wollongong)<br>Jenny Fisher (Wollongong)
−
|Science
+
|Chemistry
 
|
 
|
−
*Implementation delayed until MEIC paper is published
 
  
 
|-valign="top"
 
|-valign="top"
−
|GISS-GC GCHP
+
|DMS updates
−
|Lee Murray (Rochester)
+
|Will Porter (UCR)
−
|Science
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Dynamic fire modeling/prediction
+
|Furans emission and chemistry
−
|Shiliang Wu (MNT)
+
|Lixu Jin (Montana)<br>Lu Hu (Montana)
−
|Science
+
|Chemistry + <br>Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Interannually varying ocean model BCs for Hg from ocean model
+
|Cl2 prodcution from Fe aerosol
−
|Colin Thackray (Harvard)
+
|Qianjie Chen (HK Poly)<br>Becky Alexander (UW)
−
|Science
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|PAH & PFCA simulations
+
|VCP emissions
−
|Peter Ivatt (York)<br>Mat Evans (York)<br>Noelle Selin (MIT)<br>Colin Thackray (Harvard)
+
|Kevin Bates (CU Boulder)
−
|Science
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|CH4 in full chemistry simulation
+
|Bidirectional land-atmosphere exchange for Hg
−
|Seb Eastham (Harvard)
+
|Yuying Cui (MIT/Tsinghua)
−
|Science
+
|Hg simulation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Standard future land use maps (PFT, LAI) for RCP/CMIP6 simulations
+
|OH covariances for inversions
−
|Colette Heald (MIT)<br>Loretta Mickley (Harvard)
+
|Elise Penn (Harvard)
−
|Science
+
|Inversions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Archive GISS met fields from CMIP6 scenarios for community
+
|CESM2-GC offline
−
|Lee Murray (Rochester)
+
|Seb Eastham (ICL)<br>Lee Murray (Rochester)
−
|Science
+
|Met fields
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Updates to cold-temperature deposition
+
|Re-binning of off-line sea salt and dust for TOMAS
−
|Lyatt Jaegle (UW)
+
|Betty Croft (Dalhousie)
−
|Science
+
|Microphysics
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Simple parameterization for CO2-O3 dependence of stomatal resistance
+
|TOMAS nucleation updates
−
|Amos Tai (CUHK)
+
|Sam O'Donnell (CSU)
−
|Science
+
|Microphysics
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|NH3 emissions over China
+
|Stratospheric aerosol APM
−
|Lin Zhang (PKU)
+
|Fangqun Yu (SUNY Albany)
−
|Science
+
|Microphysics
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Using GEOS-Chem within GEOS-5
+
|Transition from MERRA-2 to GEOS-IT for benchmarking
−
|Loretta Mickley (Harvard)
+
|Yuanjian Zhang (WashU)
−
|Science
+
|Quality Assurance
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Carbon cycle outputs in xCO2, xCH4 as a diagnostic
+
|Automate integration testing on AWS
−
|Beata Bukosa (Wollongong)<br>Dylan Jones (UofT)
+
|Yidan Tang (WashU)
−
|Science
+
|Quality Assurance
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Seasonal EMEP emissions back to 1980
+
|Integration testing: Add across end of year run
−
|Mat Evans (York)
+
|GCST
−
|Science
+
|Quality Assurance
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Updates to NO2 dry deposition
+
|Integration testing: Add GEOS-IT
−
|Brian Boys (Dalhousie)
+
|Yuanjian Zhang (WashU)
−
|Science
+
|Quality Assurance
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|APM update and integration with most recent GEOS-Chem version
+
|Separate mixing, emissions, and drydep
−
|Gan Luo (SUNY Albany)
+
|Yuanjian Zhang (WashU)
 
|Structural
 
|Structural
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Cosmogenic tracer production
+
|Intel IFX compiler
−
|Lee Murray (Rochester)
+
|Bob Yantosca (Harvard)
−
|Science
+
|Structural
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Explore resolution-consistent dust emissions
+
|CMake option to only build libraries but not executable, also passing C-preprocessor statements to turn off code
−
*Make high-res concentrations or mass fluxes available offline, implement in met field processing
+
|Bob Yantosca (Harvard)<br>Lee Murray (Rochester)
−
|David Ridley (MIT)<br>GCST<br>Nested Model WG
+
|Structural
−
|Science
+
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Dust emissions at nested-grid resolutions
+
|Remove differences introduced when breaking up GC-Classic runs in time; and flexible precision in HEMCO
−
|Yuxuan Wang (U. Houston)<br>Jun Wang (U. Iowa)
+
|Lizzie Lundgren (Harvard)
−
|Science
+
|Structural
 +
|
 +
 
 +
|-valign="top"
 +
|Limit allocation of State_Met to what is needed per simulation
 +
|Melissa Sulprizio (Harvard)
 +
|Structural
 
|
 
|
−
*Check for overlap with resolution-consistent dust emissions above
 
  
 
|-valign="top"
 
|-valign="top"
−
|[[Wet_deposition#Update_SO2_scavenging_in_convective_updrafts_for_consistency|Update SO2 scavenging in convective updrafts for consistency]]
+
|Using 3-D precipitation fluxes to calculate precipitation formation and re-evaporation in scavenging (to be consistent with GEOS/GOCART & ground precipitation)
−
|Duncan Fairlie (NASA/LARC)  
+
|Gan Luo (Albany)<br>Hongyu Liu (NIA/LaRC)<br>Bo Zhang (NIA/LaRC)
−
|Science
+
|Wet deposition
 
|
 
|
  
 
|}
 
|}
  
−
=== Longer term (12-24 months)===
+
== 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="100px"|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 19:10, 24 October 2024

On this page we list the current priorities for GEOS-Chem development. This list is continuously updated based on code readiness and input from the Working Groups and the Steering Committee. For history of past releases see the GEOS-Chem Versions wiki page.

Merged and awaiting release

See the links below for items merged and awaiting release.

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

Feature integration in progress

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

Feature Contributor(s) Model scope Ease of implementation Notes and References
New version of CEDS at 0.1 deg Dandan Zhang (WashU) Emissions Simple
Use USTAR read from GEOS instead of calculating from U10M and V10M Yuanjian Zhang (WashU) Emissions Simple
  • HEMCO PR #279
  • NOTE: WashU will recompute mass tuning factors for each met field & resolution (GCClassic)
Ongoing carbon simulation fixes in GCClassic and GCHP GCST Carbon simulation Medium
Investigate potential performance gains of replacing the KPP Rosenbrock solver with the LSODE solver Bob Yantosca (Harvard) Chemistry Medium
Fix obspack - not working in 14.4.0 Bob Yantosca (Harvard) Diagnostics Medium
Make GC-Classic bit-for-bit reproducible upon restart
(part 1 of 2) 		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
Derive convective precipitation flux if using FP/IT generated with Grell-Freitas Yuanjian Zhang (WashU)
Viral Shah (GMAO) 		Convection Simple
Correct the issue that injection height has been artifically decreased by HEMCO Lixu Jun (Montana) Emissions Simple Delivered June 2024
Capability to run GCClassic at 0.125x0.15625 resolution Melissa Sulprizio (Harvard)
Xiaolin Wang (Harvard) 		Nested grid Simple Delivered
Strat-adjusted RF in GCC and GCHP Connor Barker (UCL)
Eloise Marais (UCL) 		Radiation Simple Delivered
Dust non-sphericity impacts on optical properties Inderjeet Singh (WashU) Aerosols Medium Not yet delivered

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)
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
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: Reinstate TOMAS40 Betty Croft (Dalhousie/WashU) Quality Assurance
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
Retrieved from "https://wiki.seas.harvard.edu/geos-chem/index.php?title=GEOS-Chem_model_development_priorities&oldid=54402"