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

From Geos-chem
Jump to: navigation, search
(→‎Ready to go in)
(→‎Feature integration in progress)
 
Line 1: Line 1:
−
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 was updated in May 2018 following the release of v11-02 which included a number of these priorities. This list 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
  
−
=== Ready to go in ===
+
|-valign="top"
 +
|align="center"|'''[[GEOS-Chem no-diff-to-benchmark]]'''
 +
|align="center"|'''[[GEOS-Chem 14.5.0]]'''
  
−
The following updates are now slated for inclusion into [[GEOS-Chem v11-03]]:
+
|}
 +
 
 +
== Feature integration in progress ==
 +
 
 +
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="300px"|Status
+
!width="100px"|Ease of implementation
 +
!width="300px"|Notes and References
  
−
|-
+
|-valign="top"
−
!colspan="4" bgcolor="#CCFFFF"|Transport updates
+
|New version of CEDS at 0.1 deg
 +
|Dandan Zhang (WashU)
 +
|Emissions
 +
|Simple
 +
|
 +
*[https://github.com/geoschem/geos-chem/pull/2171 geos-chem PR #2171]
  
 
|-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]]
+
|Use USTAR read from GEOS instead of calculating from U10M and V10M
−
|Transport WG<br>[[GCST]]
+
|Yuanjian Zhang (WashU)
−
|Benchmarking
+
|Emissions
 +
|Simple
 
|
 
|
−
*Ready to be added, ask GMAO
+
*[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"
−
!colspan="4" bgcolor="#CCFFFF"|Chemistry updates
+
|Ongoing carbon simulation fixes in GCClassic and GCHP
 +
|GCST
 +
|Carbon simulation
 +
|Medium
 +
|
 +
*[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"
−
|[[Stratospheric_chemistry#Treatment_of_the_mesosphere_in_UCX_simulations|Extend UCX into the mesosphere]]
+
|Investigate potential performance gains of replacing the KPP Rosenbrock solver with the LSODE solver
−
|Sebastian Eastham (MIT)
+
|Bob Yantosca (Harvard)
−
|Science
+
|Chemistry
 +
|Medium
 
|
 
|
−
*Ready to be added
+
*[https://github.com/geoschem/geos-chem/pull/2482 geos-chem PR #2482]
 +
*[https://github.com/geoschem/geos-chem/pull/2483 geos-chem PR #2483]
  
−
|-
+
|-valign="top"
−
!colspan="4" bgcolor="#CCFFFF"|Emissions updates
+
|Fix obspack - not working in 14.4.0
 +
|Bob Yantosca (Harvard)
 +
|Diagnostics
 +
|Medium
 +
|
 +
*[https://github.com/geoschem/geos-chem/issues/2328 geos-chem issue #2328]
  
 
|-valign="top"
 
|-valign="top"
−
|[[Volcanic_SO2_emissions_from_Aerocom#OMI-based_volcanic_emissions|OMI-based volcanic emissions 2005-2012]]
+
|Make GC-Classic bit-for-bit reproducible upon restart<br>(part 1 of 2)
−
|Cui Ge (U. Iowa)<br>Jun Wang (U. Iowa)
+
|Lizzie Lundgren (Harvard)
−
|Science
+
|GC-Classic
 +
|Medium
 
|
 
|
−
*Need to implement a fix to handle missing data for 2012/09 thru 2012/12. We can do one of 2 things:
+
*[https://github.com/geoschem/geos-chem/pull/2521 geos-chem PR #2521]
−
**Create files with zero emissions for 2012/09 thru 2012/12.
+
−
***But because data for 2013- is copied from 2012, this will mean that the last 3 months of the year have no volcano emissions.
+
−
**Link to the existing volcano emsisions files for September thru December
+
  
 
|-valign="top"
 
|-valign="top"
−
|[[Mineral_dust_aerosols#Anthropogenic_PM2.5_dust_source_in_GEOS-Chem|Anthropogenic PM2.5 dust source]]
+
|Capture all trop and PBL height changes in budget diagnostics
−
|Sajeev Philip (Dalhousie)
+
|Chris Holmes (FSU)<br>Lizzie Lundgren (Harvard)
−
|Science
+
|Diagnostics
 +
|Medium
 
|
 
|
−
*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/2103 geos-chem PR 2103]
  
 
|-valign="top"
 
|-valign="top"
−
|[[FINNv1_biomass_burning_emissions|FINN biomass burning emissions for 2014-2016]]
+
|Derive convective precipitation flux if using FP/IT generated with Grell-Freitas
−
|Barron Henderson (US EPA)
+
|Yuanjian Zhang (WashU)<br>Viral Shah (GMAO)<br>Lizzie Lundgren (Harvard)
−
|Science
+
|Convection
 +
|Medium
 
|
 
|
−
*Pending receipt of corrected data files
+
*[https://github.com/geoschem/geos-chem/issues/2469 geos-chem Issue #2469]
 +
*[https://github.com/geoschem/geos-chem/pull/2523 geos-chem PR #2523]
 +
 
 +
|}
 +
 
 +
== 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"
−
|[[MEGAN_v2.1_plus_Guenther_2012_biogenic_emissions#Discussion_of_LAI_Data_Sources|Update MODIS LAI fields for 2005-2016 using Yuan et al. (2011) ]]
+
|Retire CH4, CO2, tagCO simulations in favor of carbon simulation
−
|Jenny Fisher (Wollongong) <br>Barron Henderson (US EPA)
+
|Melissa Sulprizio (Harvard)
−
|Science
+
|Carbon gases
 +
|Simple
 
|
 
|
 +
|
 +
*[https://github.com/geoschem/geos-chem/issues/2387 geos-chem issue #2387]
  
−
|-
+
|-valign="top"
−
!colspan="4" bgcolor="#CCFFFF"|Aerosol updates
+
|Correct the issue that injection height has been artificially decreased by HEMCO
 +
|Lixu Jun (Montana)
 +
|Emissions
 +
|Simple
 +
|Delivered<br>June 2024
 +
|
 +
*[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"
−
|Sea salt aerosol alkalinity
+
|Capability to run GCClassic at 0.125x0.15625 resolution
−
|Qianjie Chen (UW)<br>Becky Alexander (UW)<br>Xuan Wang (Harvard)
+
|Melissa Sulprizio (Harvard)<br>Xiaolin Wang (Harvard)
−
|Science
+
|Nested grid
 +
|Simple
 +
|Delivered
 
|
 
|
−
*UW version delivered to GCST (Nov 2017)
+
*[https://github.com/geoschem/geos-chem/pull/1980 geos-chem PR #1980]
 +
*[https://github.com/geoschem/HEMCO/pull/290 HEMCO PR #290]
  
 
|-valign="top"
 
|-valign="top"
−
|VBS SOA option
+
|Strat-adjusted RF in GCC and GCHP
−
|Rokjin Park (SNU)
+
|Connor Barker (UCL)<br>Eloise Marais (UCL)
−
|Science
+
|Radiation
 +
|Simple
 +
|Delivered
 
|
 
|
−
*Code has been implemented in the ancient v9-01-02 version. 
+
*[https://github.com/geoschem/geos-chem/pull/2525 geos-chem PR #2525]
−
*Bringing this up to the current SOA model (simple SOA, complex SOA) will likely involve significant effort.
+
  
−
|-
+
|-valign="top"
−
!colspan="4" bgcolor="#CCFFFF"|Specialty simulation updates
+
|Archived TCR-2 OH fields for carbon simulations
 +
|Kazu Miyazaki (JPL)<br>Melissa Sulprizio (Harvard)
 +
|Input data
 +
|Simple
 +
|Data delivered<br>Oct 2024
 +
|
 +
*This will be the default OH, but users will have the option of selecting other OH fields
 +
*[https://github.com/geoschem/geos-chem/issues/2537 geos-chem issue #2537]
  
 
|-valign="top"
 
|-valign="top"
−
|Oxidant fields from v10 for 2006-2012
+
|Dust non-sphericity impacts on optical properties
−
*3D chemical source for CO2, CO
+
|Inderjeet Singh (WashU)
−
*OH for tagged CO & CH4
+
|Aerosols
−
|Dylan Jones (UofT)
+
|Medium
−
|Science
+
|Not yet delivered
 
|
 
|
−
*Will make data files available on ftp site
+
 
 +
|}
 +
 
 +
== 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"
−
|Africa nested-grid for GEOS-FP and MERRA-2
+
|Binary Activity Thermodynamic (BAT) model for non-ideal mixing of water and organics in organic aerosol
−
|Eloise Marais (U. Birmingham)
+
|Camilo Serrano (McGill)<br>Andreas Zuend (McGill)
−
|Science
+
|Aerosols
 +
|Not delivered
 
|
 
|
−
*Delivered to GCST (Dec 2017)
+
*[https://github.com/geoschem/geos-chem/issues/2392 geos-chem issue #2392]
−
*Could be implemented with Jiawei Zhuang's FlexGrid
+
  
 
|-valign="top"
 
|-valign="top"
−
|West Africa nested-grid for GEOS-FP
+
|Update UCX to include gravitational settling of aerosol species beyond just BCPI
−
|Mat Evans (York)<br>Eleanor Morris (York)
+
|Conor Barker (UCL)<br>Eloise Marais (UCL)
−
|Science
+
|Aerosols
 +
|Not delivered
 
|
 
|
−
*Could be implemented with Jiawei Zhuang's FlexGrid
 
  
 
|-valign="top"
 
|-valign="top"
−
|[[Sulfate_aerosols#Tagged_sulfate_and_nitrate_simulation|Tagged sulfate simulation]]
+
|Seasalt aerosol from sea ice leads (2002-2011)
−
|Becky Alexander (UW)
+
|Hannah Horrowitz (UIUC)
−
|Science
+
|Aerosols
 +
|Not delivered
 
|
 
|
 +
*Offline and online, ready to go in HEMCO (optional in addition to existing seasalt emissions)
  
 
|-valign="top"
 
|-valign="top"
−
|Arsenic simulation
+
|Global organic N dep from various emissions; nitrate aromatics updates
−
|Shiliang Wu (MT)
+
|May Fu (SUSTech)
−
|Science
+
|Chemistry +<br>Deposition
 +
|Not delivered
 
|
 
|
  
−
|-
+
|-valign="top"
−
!colspan="4" bgcolor="#CCFFFF"|Structural updates
+
|Dry deposition to F90 to improve readability
 +
|Chris Holmes (FSU)
 +
|Dry Deposition
 +
|Not delivered
 +
|
 +
*[https://github.com/geoschem/geos-chem/issues/2389 geos-chem issue #2389]
  
 
|-valign="top"
 
|-valign="top"
−
|Updated flux diagnostics
+
|Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange
−
|Chris Holmes (Florida State)<br>[[GCST]]
+
|Joey Lam  (CUHK)<br>Amos Tai (CUHK)
−
|Structural/<br>Benchmarking
+
|Dry deposition
 +
|Delivered<br>Feb 2021
 
|
 
|
−
*Work has not yet begun
+
*[https://github.com/geoschem/geos-chem/pull/629 geos-chem PR #629]
  
 
|-valign="top"
 
|-valign="top"
−
|Benchmark of stratospheric simulation
+
|FRP-based fire emissions for eastern US at 0.2 (2019-2020)
−
|Dylan Jones (U. Toronto)
+
|Chris Holmes (FSU)
−
|Benchmarking
+
|Emissions
 +
|Not delivered
 
|
 
|
−
*1-yr benchmarks for GEOS-Chem v11-01d and later include comparisons with OSIRIS O3
+
*[https://github.com/geoschem/geos-chem/issues/2388 geos-chem issue #2388]
−
*Waiting on OSIRIS NO2 data
+
−
*Waiting on comparisons with ACE-FTS data
+
  
 
|-valign="top"
 
|-valign="top"
−
|Add total column O3 to benchmarks
+
|China agriculture NH3 emissions
−
|Chris Holmes (FSU)<br>[[GCST]]
+
|Amos Tai (CUHK)
−
|Benchmarking
+
|Emissions
 +
|Not delivered
 
|
 
|
−
*Deferred until v11-03
 
−
*Also note: GCST plans on migrating benchmark plotting code from IDL to Python in v11-03
 
  
 
|-valign="top"
 
|-valign="top"
−
|ObsPack diagnostic as netCDF replacement for planeflight_mod.F
+
|T-dependent anthropogenic VOCs
−
|Andy Jacobson (NOAA/ESRL)
+
|May Fu (SUSTech)
−
|Structural
+
|Emissions
 +
|Not delivered
 
|
 
|
−
*Delivered to GCST (May 2017)
+
*Option. Requires processing existing anthropogenic VOC emissions to generate offline emissions to read in. Parameterised for China.
  
 
|-valign="top"
 
|-valign="top"
−
|[[GEOS-Chem_v11-02#Discrepancies_in_single-stage_simulations_vs_multi-stage_simulations|Updates to eliminate differences between single and multi-segmented GEOS-Chem runs]]
+
|New source functions for transport tracers beryllium-7 and beryllium-10
−
|[[GCST]]<br>Christoph Keller
+
|Minjie Zheng (ETH)
−
|Bug fix<br>Structural
+
|Emissions
 +
|Delivered<br>June 2024
 
|
 
|
 +
*Available at https://zenodo.org/records/8372652
  
 
|-valign="top"
 
|-valign="top"
−
|Further structural updates to facilitate interfacing GEOS-Chem with external models (e.g. WRF, CAM, CESM)
+
|LPJ land cover (global), fire (W US), dust emissions (SW N America), 1700-2100
−
|[[GCST]]
+
|Yang Li (Baylor U)<br>Loretta Mickley (Harvard)
−
|Structural
+
|Emissions
 +
|Delivered
 
|
 
|
−
*Ongoing
+
*Data involves many files- need to think about temporal frequency
  
−
|-
+
|-valign="top"
−
!colspan="4" bgcolor="#CCFFFF"|Expansion of model capabilities
+
|Australian Hg emissions (2000-2019)
 +
|Stephen MacFarlane (Wollongong)<br>Jenny Fisher (Wollongong)
 +
|Emissions
 +
|Not delivered
 +
|
 +
*[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"
−
|[[FlexGrid|FlexGrid: Use HEMCO to read met fields and enable nested simulations over any custom domains]]
+
|Hg geogenic emissions (volcanic, rock weathering)
−
|Jiawei Zhuang (Harvard)<br>Jintai Lin (PKU)
+
|Eric Roy (MIT)
−
|Structural
+
|Emissions
 +
|Not delivered
 
|
 
|
−
*Delivered to GCST (Oct 2016)
+
*[https://github.com/geoschem/geos-chem/issues/2361 geos-chem #2361]
−
*Code is ready, but we were waiting for a stable v11-02 release before proceeding
+
*[https://gmd.copernicus.org/preprints/gmd-2024-65/ Dastoor et al. (2024)]
−
*FlexGrid will facilitate adding new nested-grids or reading new met field products from disk
+
  
 
|-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]]
+
|Hg biomass burning - FINN2.5 & GFED4
−
|Seb Eastham (Harvard)
+
|Eric Roy (MIT)
−
|Science
+
|Emissions
 +
|Not delivered
 
|
 
|
−
*ISORROPIA v2.2 code is already present in v11-02, but is deactivated by default.
+
*[https://github.com/geoschem/geos-chem/issues/2361 geos-chem #2361]
−
*It can be activated by setting a single <tt>#ifdef</tt> switch.
+
*[https://gmd.copernicus.org/preprints/gmd-2024-65/ Dastoor et al. (2024)]
  
 
|-valign="top"
 
|-valign="top"
−
|Archival of roughness length for temperature z0T
+
|BCC-GC online
−
|[[GCST]]
+
|Lin Zhang (PKU)
−
|Met processing
+
|External Model
 +
|Not delivered
 
|
 
|
−
*Work has not yet begun
+
 
 +
|-valign="top"
 +
|GC-YIBS with online fire emissions
 +
|Xu Yue (NUIST)<br>Hong Liao (NUIST)
 +
|External Model
 +
|Not delivered
 +
|
 +
 
 +
|-valign="top"
 +
|GISS-GC offline (GCAP)
 +
|Lee Murray (Rochester)
 +
|GCAP
 +
|Not delivered
 +
|
 +
 
 
|}
 
|}
  
−
--[[User:Lizzie Lundgren|Lizzie Lundgren]] ([[User talk:Lizzie Lundgren|talk]]) 13:38, 1 June 2018 (UTC)
+
== Almost there (< 6 months) ==
  
−
=== 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
+
{|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="300px"|Status
+
!width="420px"|Notes and References
  
−
|-
+
|-valign="top"
−
!colspan="4" bgcolor="#CCFFFF"|Transport updates
+
|Fixes to stratospheric aerosol settling
 +
|Connor Barker (UCL)<br>Eloise Marais (UCL)
 +
|Aerosols
 +
|
  
 
|-valign="top"
 
|-valign="top"
−
|[https://www.geosci-model-dev-discuss.net/gmd-2017-125/ GEOS resolution & subgrid convection]
+
|DMS chemistry in v14
−
|Karen Yu (Harvard)
+
|Linia Tashmim (UCR)<br>Will Porter (UCR)
−
|Science
+
|Chemistry
 
|
 
|
−
*To be installed by Bob Yantosca (Harvard), tested by Tailong He (Toronto)
 
−
*Work to begin after v11-02 release
 
  
−
|-
+
|-valign="top"
−
!colspan="4" bgcolor="#CCFFFF"|Chemistry updates
+
|KPP standalone + 3D Interface
 +
|Obin Sturm (USC)
 +
|Chemistry
 +
|
  
 
|-valign="top"
 
|-valign="top"
−
|N2O5 hydrolysis updates
+
|NO2+OH+H2O kinetics
−
|Viral Shah (UW)
+
|Mat Evans (York)
−
|Science
+
|Chemistry
 
|
 
|
−
*Defer until paper is submitted (Summer 2018)
 
−
*Code from v10 (SMVGEAR) needs to be translated to v11 (FlexChem); this may take some effort
 
  
 
|-valign="top"
 
|-valign="top"
−
|H2 chemistry in UCX
+
|LSODES solver in KPP for faster kinetics
−
|Chris Holmes (FSU)
+
|Haipeng Lin (Harvard)
−
|Science
+
|Chemistry
 
|
 
|
−
*Defer until paper is submitted
 
−
*Estimate Fall 2018 or sooner
 
  
 
|-valign="top"
 
|-valign="top"
−
|Updated chlorine chemistry
+
|Load balancing in chemistry solver (GCHP)
−
|Xuan Wang (Harvard)
+
|Zhouran Sun (WashU)
−
|Science
+
|Chemistry +<br>Performance
 
|
 
|
−
*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]]
+
|Active chemistry in mesosphere for both GCHP and GCClassic
−
|Katie Travis (MIT)
+
|Helena McDonald (MIT)<br>Sebastian Eastham (ICL)
−
|Structural
+
|Chemistry
 
|
 
|
−
*Defer until the paper is submitted
 
  
 
|-valign="top"
 
|-valign="top"
−
|OH + NO2 rate update
+
|Updated aromatic oxidation
−
|Barron Henderson (EPA)
+
|Stephen MacFarlane (Wollongong)<br>Jenny Fisher (Wollongong)
−
|Science
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|[[Chemistry_Issues#Script_for_evaluating_carbon_balance|Script for checking N, C, etc. balance in chemistry mechanism]]
+
|MCO3 uptake by cloud forming MP; leading to lower PAN
−
|Barron Henderson (EPA)
+
|Laura Yang (Harvard)
−
|Software
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Aromatics and dicarbonyl chemistry
+
|Implement isotope simulation for CH4 in the carbon simulation
−
|William Porter (MIT)<br>Tzung-May Fu (PKU)
+
|Lee Murray (Rochester)
−
|Science
+
|Chemistry
 
|
 
|
 +
*Will have to change negative emissions from soil to a first-order loss process
  
 
|-valign="top"
 
|-valign="top"
−
|Document chemical mechanism in KPP file
+
|Documentation for adding additional aerosol species
−
|Mat Evans (York)
+
|Connor Barker (UCL)
−
|Structural
+
|Documentation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Diurnal variability for NH3
+
|Column diagnostics
−
|Henze group
+
|Lizzie Lundgren (Harvard)<br>Viral Shah (GMAO)
−
|Science
+
|Diagnostics
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Uptake of HNO3 onto coarse-mode sea salt
+
|TOMAS rate diagnostics -- improve performance
−
|Prasad Kasibhatla (Duke)
+
|Betty Croft (WashU/Dal)
−
|Science
+
|Diagnostics +<br>Performance
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Photolysis of NITs
+
|Archive gamma values from heterogeneous chemistry
−
|Prasad Kasibhatla (Duke)
+
|Bob Yantosca (Harvard)
−
|Science
+
|Diagnostics
 
|
 
|
  
−
|-
+
|-valign="top"
−
!colspan="4" bgcolor="#CCFFFF"|Emissions updates
+
|RRTMG Documentation
 +
|GCST
 +
|Documentation
 +
|
  
 
|-valign="top"
 
|-valign="top"
−
|Grid-independent lightning NOx emissions (3-hourly)
+
|Canopy Physics Model
−
|Lee Murray (Rochester)
+
|Sam Silva (MIT)
−
|Science
+
|Dry Deposition
 
|
 
|
−
*Data has not yet been transferred to GCST
+
*Available at https://zenodo.org/records/3614062#.XzvrH5NKjOR (GEOS-Chem 12.3.0)
  
 
|-valign="top"
 
|-valign="top"
−
|Grid-independent dust emissions (hourly)
+
|Dry deposition diagnostics by land cover
−
|David Ridley (MIT)
+
|Holly Nowell (FSU)<br>Chris Holmes (FSU)
−
|Science
+
|Dry Deposition
 
|
 
|
−
*Data has not yet been transferred to GCST
 
  
 
|-valign="top"
 
|-valign="top"
−
|Grid-independent biogenic emissions (hourly)
+
|Dry deposition process diagnostics
−
|Jintai Lin (PKU)
+
|Holly Nowell (FSU)<br>Chris Holmes (FSU)
−
|Science
+
|Dry Deposition
 
|
 
|
−
*Data has not yet been transferred to GCST
 
  
 
|-valign="top"
 
|-valign="top"
−
|Grid-independent sea salt emissions (hourly)
+
|Biomass burning for TOMAS
−
|Jintai Lin (PKU)
+
|Nicole June (CSU)
−
|Science
+
|Emissions +<br>Microphysics
 
|
 
|
−
*Data has not yet been transferred to GCST
 
  
 
|-valign="top"
 
|-valign="top"
−
|EPA-derived BC/OA emissions over US (1990-2012)
+
|Historic biomass burning (1750-2010)
−
|David Ridley (MIT)<br>Chi Li (Dalhousie)
+
|Pengfei Liu (Georgia Tech)
−
|Science
+
|Emissions
 
|
 
|
−
*Emissions are available but need to be formatted properly.
 
−
*Could be ready by Fall-Winter 2018, depending on D. Ridley's availability
 
  
 
|-valign="top"
 
|-valign="top"
−
|EPA NEI2011 Version EK
+
|Rice methane emissions
−
|Zitely Tzompa-Sosa (CSU)<br>Emily Fischer (CSU)
+
|Zichong Cheng (Harvard)
−
|Science
+
|Emissions+<br>Carbon simulation
 
|
 
|
−
*Estimate Late 2018 or sooner
 
  
 
|-valign="top"
 
|-valign="top"
−
|GFAS biomass burning emissions
+
|Updated bottom-up global CH4 oil, gas, and coal emissions (GFEI v3)
−
|Mat Evans (York)
+
|Tia Scarpelli (Carbon Mapper)<br>Melissa Sulprizio (Harvard)
−
|Science
+
|Emissions
−
|Mat Evans wrote:
+
|
−
*For the sake of the documentation and the wiki I think we should replicate the standard benchmark year on our system, and then switch on the GFAS emissions instead of the GFED and then have the GFAS emissions distributed by hieight.  We can do that and then prepare some plots for the documentation.  Estimate summer 2018.
+
  
 
|-valign="top"
 
|-valign="top"
−
|[[MASAGE_NH3_inventory|MASAGE inventory in HEMCO as default]]
+
|New prior CO2 biospheric fluxes from CMS-FLUX and GMAO
−
|Fabien Paulot (NOAA/GFDL)<br>Amos Tai (CUHK)
+
|Kevin Bowman (JPL)<br>Lesley Ott (GMAO)
−
|Science
+
|Emissions
 
|
 
|
−
*MASAGE data is already available.
+
*GMAO can provide high-resolution fluxes (as high as 12 km)
−
*GCST would need assistance from the user community to prepare HEMCO configuration files such that we do not double-count agricultural NH3 from MASAGE and other inventories. This has been the main delay.
+
−
*F. Paulot has left the GC community.
+
  
 
|-valign="top"
 
|-valign="top"
−
|[[MASAGE_NH3_inventory#Non-agricultural_NH3_for_use_with_MASAGE|Non-agricultural NH3 for use with MASAGE]]
+
|Snowpack Br2 emission
−
|Amos Tai (CUHK)
+
|Chris Holmes (FSU)
−
|Science
+
|Emissions
 
|
 
|
−
*Waiting on data
 
  
 
|-valign="top"
 
|-valign="top"
−
|[[Sulfate_aerosols#Ocean_ammonia_emission_inventory|Ocean ammonia emission inventory]]
+
|EDGAR v8.1_toxHg emissions for 1970-2022
−
|Fabien Paulot (NOAA/GFDL)
+
|Eric Roy (MIT)
−
|Science
+
|Emissions
 
|
 
|
−
*Data files delivered to GCST (Jan 2016)
 
−
*Needs to be implemented via HEMCO, which is the primary delay
 
  
 
|-valign="top"
 
|-valign="top"
−
|Injection height for fire emissions
+
|Improve pressure handling in GCHP advection
−
|Juliet Zhu (CSU)<br>Emily Fischer (CSU)
+
|Yuanjian Zhang (WashU)<br>Seb Eastham (ICL)
−
|Science
+
|GCHP
 
|
 
|
−
*Code was available in pre v9-02 (HEMCO)
 
−
*Code may have been ported to v11-02a but this option was not activated
 
−
|-
 
−
!colspan="4" bgcolor="#CCFFFF"|Surface fluxes and land usage updates
 
  
 
|-valign="top"
 
|-valign="top"
−
|Land cover module: Harmonized biosphere-atmosphere exchange and implementing CLM or manual land cover change experiments
+
|Add error trap for duplicate scale factors in HEMCO
−
|Jeff Geddes (BU)
+
|Bob Yantosca (Harvard)
−
|Science
+
|HEMCO
 
|
 
|
−
*Has been added into v9-02 (pre-HEMCO)
 
−
*Bringing this up to v11 will probably need significant effort
 
−
*BU group/GCST will meet summer 2018 to discuss implementation
 
  
 
|-valign="top"
 
|-valign="top"
−
|Carbon bottom up fluxes: anthro, ocean, land
+
|Integration testing: Add stretched grid
−
|Kevin Bowman (JPL)
+
|Lizzie Lundgren (Harvard)
−
|Science
+
|Quality Assurance
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Online O3-LAI coupling in GEOS-Chem
+
|Integration testing: Add GCHP mass flux run
−
|Amos Tai (CUHK)
+
|Lizzie Lundgren (Harvard)
−
|Science
+
|Quality Assurance
 
|
 
|
  
−
|-
+
|-valign="top"
−
!colspan="4" bgcolor="#CCFFFF"|Wet deposition updates
+
|Integration testing: Reinstate TOMAS40
 +
|Betty Croft (Dalhousie/WashU)
 +
|Quality Assurance
 +
|
  
 
|-valign="top"
 
|-valign="top"
−
|Wet deposition parameterizations: pH dependency, Henry's law coefficients, etc.
+
|Continue cleanup of C-preprocessor switches
−
|Sarah Safieddine (MIT)<br>GCST
+
|Lizzie Lundgren (Harvard)
−
|Science
+
|Structural
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Wet scavenging in mixed-phase clouds
+
|Updates to Luo deposition scheme
−
|Bo Zhang (NIA/NASA Langley)
+
|Gan Luo (Albany)
−
|Science
+
|Wet Deposition
 
|
 
|
−
*Defer until paper is published
+
*New version, keep as switch (not default)
−
*Estimate Fall 2018
+
  
−
|-
+
|-valign="top"
−
!colspan="4" bgcolor="#CCFFFF"|Specialty simulation updates
+
|Testing the use of a new scavenging parameterization developed by Luo and Yu for cold cloud with Pb-210 aerosol tracer
 +
|Gan Luo (Albany)<br>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.
 +
 
 +
{| 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"
−
|AMAP/UNEP 2035 for Hg simulation
+
|ML algorithms for bulk aerosol
−
|Helene Angot (MIT)
+
|Arshad Nair (Albany)<br>Fangqun Yu (Albany)
−
|Science
+
|Aerosols
 
|
 
|
−
*Data is available, but has not been transferred to GCST yet
 
  
 
|-valign="top"
 
|-valign="top"
−
|Radon emission update
+
|Heterogeneous sulfate chemistry
−
|Bo Zhang (NIA/NASA Langley)
+
|Katie Travis (NASA)
−
|Science
+
|Chemistry
 
|
 
|
−
*Defer until paper is published
 
−
*Estimate Fall 2018
 
  
 
|-valign="top"
 
|-valign="top"
−
|[[POPs simulation#PCB simulation|PCB simulation]]
+
|H2 as an active species
−
|Colin Thackray (Harvard)<br>Carey Friedman (formerly MIT)<br>Helen Amos (formerly Harvard)
+
|Seb Eastham (ICL)
−
|Science
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|New EDGAR sectoral inventory for Hg (1970-2012)
+
|HCN, acetonitrile as fire tracers
−
|Amanda Giang (MIT)
+
|Kevin Bates (CU Boulder)
−
|Science
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Archive GISS met fields from RCP scenarios for community
+
|Implement ethane in carbon simulation
−
|Lee Murray (Rochester)
+
|Yuzhong Zhang (Westlake)
−
|Science
+
|Chemistry
 
|
 
|
  
−
|-
+
|-valign="top"
−
!colspan="4" bgcolor="#CCFFFF"|Structural updates
+
|Mesospheric source of CO
 +
|Dylan Jones (UofT)<br>Pam Wales (NASA GSFC)
 +
|Emissions
 +
|
  
 
|-valign="top"
 
|-valign="top"
−
|Clean up SOA diagnostics
+
|Drought-stress algorithm
−
|GCST
+
|Wei Li (Houston)
−
|Structural
+
|Emissions
 
|
 
|
−
*GCST has implemented many existing SOA diagnostics in netCDF
 
−
*GCST would need help from the community to streamline these diagnostics
 
  
 
|-valign="top"
 
|-valign="top"
−
|Calculation consistency throughout code: surface area, HGF (via species database)
+
|Physically-based resolution correction for BVOC emissions using MEGAN
−
|GCST
+
|May Fu (SUSTech)
−
|Structural
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Harmonizing Henry's Law coefficients across wet and dry deposition
+
|Canadian forest fire prediction system (Canada government forecast model)
−
|[[GCST]]
+
|Robin Stevens (Montreal)
−
|Science
+
|Emissions
 
|
 
|
−
*Work not started yet. Will need input from the community.
 
  
−
|-
+
|-valign="top"
−
!colspan="4" bgcolor="#CCFFFF"|Expansion of model capabilities
+
|Cooking emissions (not biofuel)
 +
|Kelvin Bates (CU Boulder)
 +
|Emissions
 +
|
  
 
|-valign="top"
 
|-valign="top"
−
|CESM-GC offline coupling in standard model + benchmark
+
|State-specific annual emissions scaling factors (US) (1990-2021)
−
|Rokjin Park (SNU)<br>Daniel Rothenberg (MIT)
+
|Ishir Dutta (MIT)
−
|Science
+
|Emissions
 
|
 
|
−
*Rokjin Park says code is ready
 
−
*Waiting on clarification in which version this is implemented in.
 
  
−
|}
+
|-valign="top"
−
 
+
|GISS-GC online
−
--[[User:Bmy|Bob Yantosca]] ([[User talk:Bmy|talk]]) 19:16, 23 May 2018 (UTC)
+
|Lee Murray (Rochester)
−
 
+
|External model
−
=== Over the horizon (6-12 months) ===
+
|
−
 
+
−
{| border=1 cellspacing=0 cellpadding=5
+
−
|- bgcolor="#cccccc"
+
−
!width="400px"|Item
+
−
!width="250px"|Author(s)
+
−
!width="100px"|Type
+
−
!width="300px"|Status
+
  
 
|-valign="top"
 
|-valign="top"
−
|[http://www.atmos-chem-phys.net/16/2819/2016/ A snow NOx source from deep snowpack]
+
|Hybrid MPI-OpenMP in GCHP
−
|Maria Zatko (UW)<br>Becky Alexander (UW)
+
|Seb Eastham (MIT)<br>Killian Murphy (York)<br>Lizzie Lundgren (Harvard)
−
|Science
+
|GCHP
 
|
 
|
−
*Delivered to GCST (Nov 2017)
 
−
*Needs to be added as a HEMCO extension, but converting from ancient v9-01-01 code may take significant effort.
 
  
 
|-valign="top"
 
|-valign="top"
−
|MEIC emissions over China (2000-2015)
+
|MAPL3: Update to MAPL3 in GCHP, including replacement of ExtData.rc and HISTORY.rc with YAML files
−
|Lu Shen (Harvard)<br>Melissa Sulprizio (Harvard)
+
|Lizzie Lundgren (Harvard)
−
|Science
+
|GCHP
 
|
 
|
−
*Defer until MEIC paper is published
 
  
 
|-valign="top"
 
|-valign="top"
−
|GISS-GC (ICECAP/GCAP2) in standard model + benchmark
+
|MAPL3: Comply with MAPL "positive" standard in GCHP diagnostic files
−
|Lee Murray (Rochester)<br>Eric Leibensperger (SUNY Plattsburgh)
+
|Lizzie Lundgren (Harvard)
−
|Science
+
|GCHP
−
|Lee Murray replied:
+
|
−
*"I would say 6-12 months to be safe, but the goal is to have it done by the end of summer 2018.  There will actually be very minimal updates to GEOS-Chem; most of the updates are to modify the GISS model to output MERRA2-like data, to facilitate integration with GCHP and future updates to the CTM."
+
  
 
|-valign="top"
 
|-valign="top"
−
|GISS-GC GCHP
+
|MAPL3: Wildcards in GCHP History
−
|Lee Murray (Rochester)<br>Pengfei Liu (Harvard)<br>Yang Li (Harvard)
+
|Lizzie Lundgren (Harvard)
−
|Science
+
|GCHP
 
|
 
|
−
*Rochester and Harvard groups are coordinating, to avoid duplication of effort
 
  
 
|-valign="top"
 
|-valign="top"
−
|CESM-GC GCHP
+
|MAPL3: Output emissions with positive up convention in GCHP
−
|Seb Eastham (MIT)
+
|Lizzie Lundgren (Harvard)
−
|Science
+
|GCHP
 
|
 
|
−
*Seb Eastham is now the lead developer.
 
−
*Estimate late 2018 or early 2019; validation will take time
 
  
 
|-valign="top"
 
|-valign="top"
−
|Additional modifications for [[FlexChem]], including:
+
|Assessment/improvement of OpenMP performance in GC-Classic and HEMCO standalone
−
*Rebuild the pre-built chemistry mechanisms (Standard, Tropchem, SOA-SVPOA) with [http://www.paratools.com/Kppa Kppa]
+
|Bob Yantosca (Harvard)
−
*Add capability for custom chemistry mechanism by building KPP on-the-fly in GEOS-Chem
+
|Performance
−
|[[GCST]]
+
−
|Structural
+
 
|
 
|
−
*Mike Long, who was the principal proponent behind these updates, has since left the GC community.
 
−
*We are not sure who will take this over
 
  
 
|-valign="top"
 
|-valign="top"
−
|Dynamic fire modeling/prediction
+
|Photophysical oxidation of aldehydes
−
|Shiliang Wu (MNT)
+
|Paulo Sebastianelli (Wollongong)<br>Jenny Fisher (Wollongong)
−
|Science
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Interannually varying ocean model BCs for Hg from ocean model
+
|DMS updates
−
|Colin Thackray (Harvard)
+
|Will Porter (UCR)
−
|Science
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|PAH & PFCA simulations
+
|Furans emission and chemistry
−
|Peter Ivatt (York)<br>Mat Evans (York)<br>Noelle Selin (MIT)<br>Colin Thackray (Harvard)
+
|Lixu Jin (Montana)<br>Lu Hu (Montana)
−
|Science
+
|Chemistry + <br>Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|CH4 in full chemistry simulation
+
|Cl2 prodcution from Fe aerosol
−
|Seb Eastham (Harvard)
+
|Qianjie Chen (HK Poly)<br>Becky Alexander (UW)
−
|Science
+
|Chemistry
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Standard future land use maps (PFT, LAI) for RCP/CMIP6 simulations
+
|VCP emissions
−
|Colette Heald (MIT)<br>Loretta Mickley (Harvard)
+
|Kevin Bates (CU Boulder)
−
|Science
+
|Emissions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Archive GISS met fields from CMIP6 scenarios for community
+
|Bidirectional land-atmosphere exchange for Hg
−
|Lee Murray (Rochester)
+
|Yuying Cui (MIT/Tsinghua)
−
|Science
+
|Hg simulation
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Updates to cold-temperature deposition
+
|OH covariances for inversions
−
|Lyatt Jaegle (UW)
+
|Elise Penn (Harvard)
−
|Science
+
|Inversions
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Simple parameterization for CO2-O3 dependence of stomatal resistance
+
|CESM2-GC offline
−
|Amos Tai (CUHK)
+
|Seb Eastham (ICL)<br>Lee Murray (Rochester)
−
|Science
+
|Met fields
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|NH3 emissions over China
+
|Re-binning of off-line sea salt and dust for TOMAS
−
|Lin Zhang (PKU)
+
|Betty Croft (Dalhousie)
−
|Science
+
|Microphysics
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Using GEOS-Chem within GEOS-5
+
|TOMAS nucleation updates
−
|Loretta Mickley (Harvard)
+
|Sam O'Donnell (CSU)
−
|Science
+
|Microphysics
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Carbon cycle outputs in xCO2, xCH4 as a diagnostic
+
|Stratospheric aerosol APM
−
|Beata Bukosa (Wollongong)<br>Dylan Jones (UofT)
+
|Fangqun Yu (SUNY Albany)
−
|Science
+
|Microphysics
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Seasonal EMEP emissions back to 1980
+
|Transition from MERRA-2 to GEOS-IT for benchmarking
−
|Mat Evans (York)
+
|Yuanjian Zhang (WashU)
−
|Science
+
|Quality Assurance
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Updates to NO2 dry deposition
+
|Automate integration testing on AWS
−
|Brian Boys (Dalhousie)
+
|Yidan Tang (WashU)
−
|Science
+
|Quality Assurance
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|APM update and integration with most recent GEOS-Chem version
+
|Integration testing: Add across end of year run
−
|Gan Luo (SUNY Albany)
+
|GCST
−
|Structural
+
|Quality Assurance
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Cosmogenic tracer production
+
|Integration testing: Add GEOS-IT
−
|Lee Murray (Rochester)
+
|Yuanjian Zhang (WashU)
−
|Science
+
|Quality Assurance
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Explore resolution-consistent dust emissions
+
|Separate mixing, emissions, and drydep
−
*Make high-res concentrations or mass fluxes available offline, implement in met field processing
+
|Yuanjian Zhang (WashU)
−
|David Ridley (MIT)<br>GCST<br>Nested Model WG
+
|Structural
−
|Science
+
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Dust emissions at nested-grid resolutions
+
|Intel IFX compiler
−
|Yuxuan Wang (U. Houston)<br>Jun Wang (U. Iowa)
+
|Bob Yantosca (Harvard)
−
|Science
+
|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]]
+
|CMake option to only build libraries but not executable, also passing C-preprocessor statements to turn off code
−
|Duncan Fairlie (NASA/LARC)  
+
|Bob Yantosca (Harvard)<br>Lee Murray (Rochester)
−
|Science
+
|Structural
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|Sea salt emission from sea ice
+
|Remove differences introduced when breaking up GC-Classic runs in time; and flexible precision in HEMCO
−
|Jiayue Huang (UW)
+
|Lizzie Lundgren (Harvard)
−
|Science
+
|Structural
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
−
|[[GEOS-Chem_species_units|Uniformity of units]]
+
|Limit allocation of State_Met to what is needed per simulation
−
|[[GCST]]
+
|Melissa Sulprizio (Harvard)
 
|Structural
 
|Structural
−
|Lizzie Lundgren wrote:
+
|
−
*We are not planning on resuming work to unify units in GEOS-Chem anytime soon. Any changes to units in the near future would be for better compatibility with other models, although none are currently planned. However, user consensus on preferred units would still be helpful to move the conversation forward.
+
 
 +
|-valign="top"
 +
|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)<br>Hongyu Liu (NIA/LaRC)<br>Bo Zhang (NIA/LaRC)
 +
|Wet deposition
 +
|
  
 
|}
 
|}
  
−
--[[User:Bmy|Bob Yantosca]] ([[User talk:Bmy|talk]]) 19:42, 24 May 2018 (UTC)
+
== 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="300px"|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
 
|
 
|
−
*NOTE: Seb Eastham is already working on this
 
  
 
|-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:Bmy|Bob Yantosca]] ([[User talk:Bmy|talk]]) 15:32, 23 May 2018 (UTC)
 

Latest revision as of 16:19, 31 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
Derive convective precipitation flux if using FP/IT generated with Grell-Freitas Yuanjian Zhang (WashU)
Viral Shah (GMAO)
Lizzie Lundgren (Harvard) 		Convection 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
Correct the issue that injection height has been artificially 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
Archived TCR-2 OH fields for carbon simulations Kazu Miyazaki (JPL)
Melissa Sulprizio (Harvard) 		Input data Simple Data delivered
Oct 2024
  • This will be the default OH, but users will have the option of selecting other OH fields
  • geos-chem issue #2537
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

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=54441"