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

Latest revision as of 16:59, 30 April 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 14.4.0

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
Global continental chlorine (pCl and HCl) emissions	Bingqing Zhang (Georgia Tech) Pengfei Liu (Georgia Tech)	Emissions	Simple
Parameterization of SNA and OM dry size	Haihui Zhu (WashU)	Aerosols	Medium	Zhu et al., EGUsphere, submitted 2023. geos-chem PR #1902
New soil NOx parameterization	Yi Wang (U. Iowa) Jun Wang (U. Iowa)	Emissions	Medium	geos-chem issue #1288 Incorporates new met field TSOIL1
Remove differences in GC-Classic due to HEMCO reading REAL8 restart as REAL4	Lizzie Lundgren (Harvard)	GC-Classic	Medium	hemco issue #18
Capture all trop and PBL height changes in budget diagnostics	Chris Holmes (FSU) Lizzie Lundgren (Harvard)	Diagnostics	Medium	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.

Feature	Contributor(s)	Model scope	Ease of implementation	Delivery status	Notes and References
ALK4 & R4N2 chemistry	Jared Brewer (UMN)	Chemistry	TBD	Not delivered	geos-chem issue #1625 Brewer, J.F. et al., J. Geophys. Res., 2023.
Mass flux regridding fix in MAPL	Tom Clune (GMAO) Seb Eastham (MIT)	GCHP input regridding	Medium		GCHP Issue #377 Currently on hold, as the submitted update results in zero diff
New version of CEDS at 0.1 deg	Dandan Zhang (WashU)	Emissions	Simple	Delivered	geos-chem issue #1745 Currently on hold while an issue with seasonality in the new CEDS data is being investigated by the authors.

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 References
KORUS-AQ emissions for East Asia (as an option)	Katie Travis (NASA)	Emissions	Simple
Geologic emission of ethane and propane	Matthew Rowlinson and Mat Evans(York)	Emissions	Delivered Jan 2023	Global source from https://doi.org/10.1038/s41561-018-0073-0 with spatial distribution from https://doi.org/10.5194/essd-11-1-2019
Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange	Joey Lam(CUHK) Amos Tai (CUHK)	Science	Delivered Feb 2021	geos-chem PR #629
LPJ land cover (global), fire (W US), dust emissions (SW N America), 1700-2100	Yang Li (Baylor University) Loretta Mickley (Harvard)	Emissions	Delivered Jul 2021	Data involves many files- need to think about temporal frequency
Online H2 chemistry	Maria Paula Pérez-Peña (UNSW) Jenny Fisher (UOW) Dylan Millet (UMN)	Chemistry	Delivered June 2023	Pérez-Peña, M.P. et al., ACP, 2022. Implemented in v12.5, needs to be brought up to current version
DMS Chemistry	Linia Tashmim (UC Riverside) William Porter (UC Riverside)	Chemistry	Not delivered
Organic acids (RCOOH)	Katie Travis (NASA)	Chemistry	Not delivered
Improve carbon & nitrogen conservation in reactions	Kelvin Bates (Harvard)	Chemistry	Not delivered
Blowing snow sea salt in TOMAS	Betty Croft (Dalhousie)	Aerosols	Not delivered
Australian anthropogenic Hg emissions	Stephen MacFarlane (UOW) Jenny Fisher (UOW) Hannah Horowitz (U. Illinois) Viral Shah (Harvard)	Hg simulation	Not delivered
WRF-GC Hg simulation	Xiaotian Xu (Nanjing U.) Yanxu Zhang (Nanjing U.)	Hg simulation WRF-GC	Not delivered
Updated HgII gas-partical partitioning	Kaiyun Liu (Tsinghua U.) Qingru Wu (Tsinghua U.) Shuxiao Wang (Tsinghua U.)	Hg simulation	Not delivered	Should be option, not default
Dry deposition to F90 (readability)	Chris Holmes (FSU)	Dry deposition	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
PPN+hv, PPN+OH	Robert Ryan (UCL)	Chemistry
MBO	Michael Vermeuel (UMN)	Chemistry
Initial conditions for CH4 correcting background and stratospheric biases	Todd Mooring (Harvard)	Methane simulation
Migrating simple SOA formation from carbon_mod.F90 into the KPP "full-chemistry" mechanism	Bob Yantosca (Harvard)	Aerosols Structural	Ongoing
Re-binning of off-line sea salt and dust for use in TOMAS	Betty Croft (Dalhousie)	Aerosols
Adaption of TOMAS' in-cloud aqueous sulfate production for KPP versus sulfate_mod.F90	Betty Croft (Dalhousie)	Aerosols
ML algorithms for bulk aerosols	Arshad Nair (SUNY Albany) Fangqun Yu (SUNY Albany)	Aerosols
PM2.5 and PM10 calculations: aerodynamic vs geometric diameters	Shixian Zhai (Harvard)	Aerosols
Updates to Hodzic SOA scheme	Jared Brewer (Harvard)	Aerosols
Automated reduction in isoprene scheme	Dan Westervelt (Lamont-Doherty)	Aerosols
Brown carbon chemsitry	Jingqiu Mao (U. Alaska) Xuan Wang (CUHK)	Aerosols
GEOS resolution and subgrid convection - Part 2 RAS parameter tuning	Tailong He (Toronto) Dylan Jones (Toronto) Andrea Molod (NASA GMAO)	Convection
High-res top-down TROPOMI-derived seasonal mean NOx emissions for China	Jintai Lin (PKU)	Emissions	Horizontal resolution: 5km, temporal resolution: JJA mean monthly data will be available at a later stage; please contact us
Updated biomass burning emission factors and species	Tess Carter (MIT)	Emissions
Updated offline sea salt emissions	Hongjian Weng (PKU) Jintai Lin (PKU)	Emissions
Canopy Physics Model	Sam Silva (MIT)	Emissions & Science	DOI: 10.5281/zenodo.3614062 Needs to be updated to a more recent GEOS-Chem version
Assessment/improvement of OpenMP performance in GC-Classic and HEMCO standalone	Bob Yantosca (Harvard)	Model performance	Ongoing (will be done as time allows)
Assess memory leak in GCHP	Killian Murphy (York)	Model performance	NOTE: Most memory leaks in GCHP have been fixed by geoschem/geos-chem PR #1353. Will wait until MAPL3 to further assess.
Hybrid MPI-OpenMP in GCHP	Seb Eastham (MIT) Killian Murphy (York)	Model performance
Improve pressure handling in GCHP advection	Seb Eastham (MIT) Yuanjian Zhang (WashU)	GCHP
Use ExtData2G as default GCHP input module	Lizzie Lundgren (Harvard)	GCHP	Will replace ExtData.rc with yaml file

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
Snow / Icy Bromine	Becky Alexander (UW) William Swanson (U. Alaska) Shuting Zhai (UW)	Chemistry
Monoterpene oxidation scheme	Jessica Haskins (MIT)	Chemistry
Fire related VOCs including furans	Lu Hu (UMT) Lixu Jin (UMT)	Chemistry
Extension of UCX into the mesosphere	Seb Eastham (MIT) Eric Fleming (NASA)	Chemistry
Methane flux ingestion	Eloise Marais (UCL)	Chemistry
Dust non-sphericity impacts on surface chem and optical properties	Inderjeet Singh (WashU)	Aerosols
Size-resolved stratospheric aerosol	Seb Eastham (MIT)	Aerosols
Extend aerosol settling	Eloise Marais (UCL)	Aerosols
Stratospheric aerosol APM	Fangqun Yu (SUNY)	Aerosols
Plume-in-grid model	Hongwei Sun (Harvard)	Chemistry
Updated lightning NOx: Prescribe from ground and geostationary lightning flashes	Lee Murray (Rochester)	Emissions
Seb aircraft emissions beyond recent 2019 update	Seb Eastham (MIT)	Emissions
FRP-based fire emsisions for eastern US at 0.2 deg	Charlie Fite (FSU)	Emissions
Hg iodine chemistry	Yiming Fu Yanxu Zhang (Nanjing U.)	Hg simulation
Hg simulation in GCHP	Ari Feinberg (MIT) Lyssa Freese (MIT)	Hg simulation
Update Hg ocean and soil boundary conditions for consistency with new chemistry	Yanxu Zhang (Nanjing U.)	Hg simulation
Dry deposition diagnostics by land cover	Holly Nowell (FSU)	Diagnostics
Dry deposition process diagnostics	Holly Nowell (FSU)	Diagnostics
Isotope simulation for CO and CH4 in GCHP	Lee Murray (Rochester)	Carbon simulation
Updated bottom-up global CH4 oil, gas, and coal emissions (GFEI v3)	Melissa Sulprizio (Harvard) Tia Scarpelli (U. Edinburgh) Zichong Chen (Harvard)	Emissions CH4 simulation
Modularization of aerosols code for interface with GOCART in GEOS	Christoph Keller (GMAO)	Structural
Improve load balancing in GCHP	Seb Eastham (MIT)	Model performance
Testing the use of monthly mean MERRA-2 CWC with Pb-210 aerosol tracer	Bo Zhang (NIA) Hongyu Liu (NIA / NASA Langley)	Transport
Testing the use of a new scavenging parameterization developed by Luo and Yu for cold cloud with Pb-210 aerosol tracer	Gan Luo (SUNY Albany) Fangqun Yu (SUNY-Albany)	Transport
Evaluate vertical mixing in GEOS-Chem with model-model and model-observation comparisons	Seb Eastham (MIT) Clara Orbe (NASA GISS) Andrew Schuh (CSU)	Transport
MAPL version 3	Lizzie Lundgren (Harvard)	GCHP	Will include History wildcard handling in GCHP
Migrate benchmark meteorology from MERRA2 to GEOS-IT	GCST	Benchmarking

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
Updates to Aromatic chemistry	Stephen MacFarlane (UOW) Jenny Fisher (UOW)	Chemistry
Nitrate photolysis	Mat Evans (York) Thomas Sherwen (York) Matthew Rowlinson (York)	Chemistry
In aerosol chemistry Halogens	Mat Evans (York) Hansen Cao (CU Boulder)	Chemistry
Benchmark box model of GC Chemistry	Katie Travis (NASA)	Chemistry
Alkyl nitrates Alk7, PHAN	Katie Travis (NASA)	Chemistry
Add stratospheric ozone species to full-chemistry simulations	Lee Murray (Rochester)	Chemistry
Perchlorate chemistry	Yuk Chun Chan (UWAB)	Chemistry
Explicit heterogeneous sulfate chemistry	Katie Travis (NASA) Becky Alexander (UT)	Chemistry
HOx and ozone "emissions" from lightning as option in model to play with	Jingqiu (Alaska) Lee Murray (Rochester)	Emissions
Sea salt aerosol from sea ice leads	Hannah Horowitz (U. Illinois)	Emissions
Drought-stress algorithm	Wei Li (U. Houston)
Biomass burning injection height profiles	Inderjeet Singh (WashU)	Emissions
OCIM integration	Chris Holmes (FSU) Lee Murray (Rochester)
Updating landcover products in GEOS-Chem	Chris Holmes (FSU) Jeff Geddes (BU)	Input data
Dry deposition physical improvement	Chris Holmes (FSU)	Dry deposition
TOMAS WRF-GC in regional Thailand simulation	Win Trivitayanurak (Chulalongkorn U)	Aerosols

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

Latest revision as of 16:59, 30 April 2024

Contents

Merged and awaiting release

Feature integration in progress

Prioritized and in the queue

Ready to go in

Almost there (< 6 months)

Over the horizon (6-12 months)

Longer term (12-24 months)

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@@ Line 1: / Line 1: @@
-'''''[[Main_Page|GEOS-Chem Main Page]] | [[GCHP_Main_Page|GCHP Main Page]]'''''
+On this page we list the current priorities for GEOS-Chem development. This list is continuously updated based on code readiness and input from the [https://geos-chem.seas.harvard.edu/geos-working-groups Working Groups] and the [https://geos-chem.seas.harvard.edu/geos-steering-cmte Steering Committee]. For history of past releases see the [[GEOS-Chem_versions|GEOS-Chem Versions wiki page]].
-On this page we list the current priorities for GEOS-Chem development. This list is continuously updated based on code readiness and input from the Working Groups and the Steering Committee.
+== Merged and awaiting release ==
-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.
+See the links below for items merged and awaiting release.
-== Priorities assigned to upcoming GEOS-Chem versions ==
+{| border=1 cellspacing=0 cellpadding=5
+|-bgcolor="#CCCCCC"
+!width="300px"|Mergeable at any time
+!width="200px"|Version in development
-=== 12.9.0 ===
+|-valign="top"
+|align="center"|'''[[GEOS-Chem no-diff-to-benchmark]]'''
+|align="center"|'''[[GEOS-Chem 14.4.0]]'''
+|}
-<span style="color:darkorange">'''This version is now under development.  Please see [[GEOS-Chem 12#12.9.0|the ''GEOS-Chem 12'' wiki page]] for more details.'''''</span>
+== Feature integration in progress ==
-=== 13.0.0 ===
+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
 |-bgcolor="#CCCCCC"
-!width="500px"|Feature
+!width="200px"|Feature
-!width="200px"|Submitted by
+!width="200px"|Contributor(s)
-!width="100px"|Type
+!width="100px"|Model scope
+!width="100px"|Ease of implementation
 !width="300px"|Notes and References
 |-valign="top"
-!colspan="4" bgcolor="#CCFFFF"|Updates that will affect full-chemistry simulations
+|[https://doi.org/10.7910/DVN/23BRII Global continental chlorine (pCl and HCl) emissions]
+|Bingqing Zhang (Georgia Tech)<br>Pengfei Liu (Georgia Tech)
+|Emissions
+|Simple
+|
 |-valign="top"
-|Retire carbon-based units for VOCs
+|[https://github.com/geoschem/geos-chem/issues/1747 Parameterization of SNA and OM dry size]
-|GCST
+|Haihui Zhu (WashU)
-|Science
+|Aerosols
+|Medium
 |
+*[https://egusphere.copernicus.org/preprints/2022/egusphere-2022-1292/ Zhu et al., EGUsphere, submitted 2023.]
+*[https://github.com/geoschem/geos-chem/pull/1902 geos-chem PR #1902]
 |-valign="top"
-!colspan="4" bgcolor="#CCFFFF"|Updates that will NOT affect full-chemistry simulations
+|[https://github.com/geoschem/geos-chem/issues/1288 New soil NOx parameterization]
+|Yi Wang (U. Iowa)<br>Jun Wang (U. Iowa)
+|Emissions
+|Medium
+|
+*[https://github.com/geoschem/geos-chem/issues/1288 geos-chem issue #1288]
+*Incorporates new met field TSOIL1
 |-valign="top"
-|[https://zenodo.org/record/3754964#.XtEVOZ5KjOQ CEDS_GBD-MAPS emission inventory (1970 - 2017)]
+|Remove differences in GC-Classic due to HEMCO reading REAL8 restart as REAL4
-|Erin McDuffie (Dalhousie)
+|Lizzie Lundgren (Harvard)
-|Science
+|GC-Classic
+|Medium
 |
+*[https://github.com/geoschem/HEMCO/issues/18 hemco issue #18]
 |-valign="top"
-|ODIAC fossil fuel emissions for CO2 simulations
+|Capture all trop and PBL height changes in budget diagnostics
-|Jenny Fisher (UOW)<br>Yi Cao (UOW)
+|Chris Holmes (FSU)<br>Lizzie Lundgren (Harvard)
-|Science
+|Diagnostics
+|Medium
 |
-*Delivered to GCST (Jan 2020)
+*[https://github.com/geoschem/geos-chem/pull/2103 geos-chem PR 2103]
-|-valign="top
+|}
-|Updated Streets Hg emissions
-|Colin Thackray (Harvard)
+== Prioritized and in the queue ==
-|Science
+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"
+|ALK4 & R4N2 chemistry
+|Jared Brewer (UMN)
+|Chemistry
+|TBD
+|Not delivered
 |
-*Delivered to GCSG (Jul 2020)
+*[https://github.com/geoschem/geos-chem/issues/1625 geos-chem issue #1625]
+*[https://acmg.seas.harvard.edu/files/acmg/files/brewer2022.pdf Brewer, J.F. et al., J. Geophys. Res., 2023.]
-|-valign="top
+|-valign="top"
-|Updated EDGAR 4.3 Hg emissions
+|Mass flux regridding fix in MAPL
-|Amanda Giang (UBC)
+|Tom Clune (GMAO)<br>Seb Eastham (MIT)
-|Science
+|GCHP input regridding
+|Medium
 |
+|
+*[https://github.com/geoschem/GCHP/issues/377 GCHP Issue #377]
+*'''Currently on hold, as the submitted update results in zero diff'''
 |-valign="top"
-|[https://essd.copernicus.org/articles/12/563/2020/essd-12-563-2020.pdf Global Inventory of Methane Emissions from Fuel Exploitation]
+|New version of CEDS at 0.1 deg
-|Tia Scarpelli (Harvard)
+|Dandan Zhang (WashU)
-|Science
+|Emissions
+|Simple
+|Delivered
+|
+*[https://github.com/geoschem/geos-chem/issues/1745 geos-chem issue #1745]
+*'''Currently on hold while an issue with seasonality in the new CEDS data is being investigated by the authors.'''
+|}
+== 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 References
+|-valign="top"
+|KORUS-AQ emissions for East Asia (as an option)
+|Katie Travis (NASA)
+|Emissions
+|Simple
+|
+|-valign="top"
+|Geologic emission of ethane and propane
+|Matthew Rowlinson and Mat Evans(York)
+|Emissions
+|Delivered<br>Jan 2023
 |
+*Global source from https://doi.org/10.1038/s41561-018-0073-0 with spatial distribution from https://doi.org/10.5194/essd-11-1-2019
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/issues/332 Retire tropchem mechanism; implement new tropchem simulation using Standard mechanism below the tropopause and archived P/L rates above]
+|[https://github.com/geoschem/geos-chem/pull/629 Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange]
-|Melissa Sulprizio (GCST)
+|Joey Lam(CUHK)<br>Amos Tai (CUHK)
 |Science
+|Delivered<br>Feb 2021
 |
+*[https://github.com/geoschem/geos-chem/pull/629 geos-chem PR #629]
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/pull/347 Fix bug in RRTMG with stratospheric aerosol]
+|LPJ land cover (global), fire (W US), dust emissions (SW N America), 1700-2100
-|Sebastian Eastham (MIT)
+|Yang Li (Baylor University)<br>Loretta Mickley (Harvard)
-|Bug fix
+|Emissions
+|Delivered<br>Jul 2021
 |
+*Data involves many files- need to think about temporal frequency
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/issues/242 Add global mean OH and CH4 lifetime diagnostics]
+|[https://github.com/geoschem/geos-chem/issues/1867 Online H2 chemistry]
-|GCST
+|Maria Paula Pérez-Peña (UNSW)<br>Jenny Fisher (UOW)<br>Dylan Millet (UMN)
-|Structural
+|Chemistry
+|Delivered<br>June 2023
 |
+*[https://acp.copernicus.org/articles/22/12367/2022/acp-22-12367-2022.html Pérez-Peña, M.P. et al., ACP, 2022.]
+*Implemented in v12.5, needs to be brought up to current version
 |-valign="top"
-|Retire the GNU Make build system in both GEOS-Chem Classic and GCHP and replace with CMake
+|DMS Chemistry
-|Liam Bindle (WashU)<br>GCST
+|Linia Tashmim (UC Riverside)<br>William Porter (UC Riverside)
-|Structural
+|Chemistry
+|Not delivered
 |
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/issues/283 Retire the GEOS-Chem Unit Tester repository and move GEOS-Chem run directory creation to the GEOS-Chem source code repository]
+|Organic acids (RCOOH)
-|Melissa Sulprizio (GCST)
+|Katie Travis (NASA)
-|Structural
+|Chemistry
+|Not delivered
 |
 |-valign="top"
-|Updates to HEMCO for compatibility with CESM
+|Improve carbon & nitrogen conservation in reactions
-|Haipeng Lin (Harvard)
+|Kelvin Bates (Harvard)
-|Structural
+|Chemistry
+|Not delivered
 |
-*ongoing
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/issues/270 Reduction of memory for HISTORY diagnostics with a species dimension]
+|Blowing snow sea salt in TOMAS
-|Bob Yantosca (GCST)
+|Betty Croft (Dalhousie)
-|Structural
+|Aerosols
+|Not delivered
 |
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/issues/311 Removal of HEMCO code from within the non-local PBL mixing modules]
+|[https://pubs.rsc.org/en/content/articlelanding/2022/EM/D2EM00019A Australian anthropogenic Hg emissions]
-|Bob Yantosca (GCST)
+|Stephen MacFarlane (UOW)<br>Jenny Fisher (UOW)<br> Hannah Horowitz (U. Illinois)<br>Viral Shah (Harvard)
-|Structural
+|Hg simulation
+|Not delivered
 |
-|-
+|-valign="top"
-!colspan="4" bgcolor="#CCFFFF"|Features only affecting GCHP:
+|WRF-GC Hg simulation
+|Xiaotian Xu (Nanjing U.)<br>Yanxu Zhang (Nanjing U.)
+|Hg simulation<br>WRF-GC
+|Not delivered
+|
 |-valign="top"
-|Retire the existing GCHP repository and replace with a new wrapper repository that uses ESMF as an external library and integrates GEOS-Chem and NASA/GMAO GEOS-ESM git repositories as git submodules
+|Updated HgII gas-partical partitioning
-|Lizzie Lundgren (GCST)
+|Kaiyun Liu (Tsinghua U.)<br>Qingru Wu (Tsinghua U.)<br>Shuxiao Wang (Tsinghua U.)
-|Structural
+|Hg simulation
+|Not delivered
 |
+*Should be option, not default
 |-valign="top"
-|Separate HEMCO from GEOS-Chem to use as an ESMF gridded component in GCHP
+|Dry deposition to F90 (readability)
-|Lizzie Lundgren (GCST)
+|Chris Holmes (FSU)
-|Structural
+|Dry deposition
+|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.
+{|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"
-|Enable a stretched grid capability in GCHP to run global simulations at regional high resolution
+|PPN+hv, PPN+OH
-|Liam Bindle (WashU)
+|Robert Ryan (UCL)
-|Structural
+|Chemistry
 |
 |-valign="top"
-|Update MAPL (v2.2.7) and GMAO library dependencies
+|MBO
-|Lizzie Lundgren (GCST)
+|Michael Vermeuel (UMN)
-|Structural
+|Chemistry
 |
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/pull/348 Enable GCHP to be compiled with RRTMG]
+|Initial conditions for CH4 correcting background and stratospheric biases
-|Sebastian Eastham (MIT)
+|Todd Mooring (Harvard)
-|Science
+|Methane simulation
 |
-|}
-== Priorities not yet assigned to a particular version ==
+|-valign="top"
+|Migrating simple SOA formation from carbon_mod.F90 into the KPP "full-chemistry" mechanism
+|Bob Yantosca (Harvard)
+|Aerosols<br>Structural
+|
+*Ongoing
-The following items have been identified as priorities for GEOS-Chem, but have not yet been assigned to a particular GEOS-Chem version.
+|-valign="top"
+|Re-binning of off-line sea salt and dust for use in TOMAS
+|Betty Croft (Dalhousie)
+|Aerosols
+|
-=== Ready to go in ===
+|-valign="top"
+|Adaption of TOMAS' in-cloud aqueous sulfate production for KPP versus sulfate_mod.F90
+|Betty Croft (Dalhousie)
+|Aerosols
+|
-{| border=1 cellspacing=0 cellpadding=5
+|-valign="top"
-|-bgcolor="#CCCCCC"
+|ML algorithms for bulk aerosols
-!width="500px"|Feature
+|Arshad Nair (SUNY Albany)<br>Fangqun Yu (SUNY Albany)
-!width="200px"|Submitted by
+|Aerosols
-!width="100px"|Type
+|
-!width="300px"|Notes
-|-
+|-valign="top"
-!colspan="4" bgcolor="#CCFFFF"|Chemistry updates
+|PM2.5 and PM10 calculations: aerodynamic vs geometric diameters
+|Shixian Zhai (Harvard)
+|Aerosols
+|
 |-valign="top"
-|Improved wet scavenging (Luo et al., 2020)
+|Updates to Hodzic SOA scheme
-|Gan Luo (Albany)<br>Fanqun Yu (Albany)
+|Jared Brewer (Harvard)
-|Science
+|Aerosols
 |
 |-valign="top"
-|Implement H2 chemistry in UCX
+|Automated reduction in isoprene scheme
-|Chris Holmes (FSU)
+|Dan Westervelt (Lamont-Doherty)
-|Science
+|Aerosols
 |
 |-valign="top"
-|[https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/2006GL026015 Stratospheric HCN chemistry]
+|Brown carbon chemsitry
-|Armin Kleinbohl (JPL)<br>Debra Weisenstein (Harvard, retired)
+|Jingqiu Mao (U. Alaska)<br>Xuan Wang (CUHK)
-|Science
+|Aerosols
 |
-*Delivered to GCST (Jun 2020)
 |-valign="top"
-|[http://acmg.seas.harvard.edu/publications/2020/moch_HMS_submitted_2020.pdf HMS chemistry]
+|GEOS resolution and subgrid convection - Part 2 RAS parameter tuning
-|Jonathan Moch (Harvard)
+|Tailong He (Toronto)<br>Dylan Jones (Toronto)<br>Andrea Molod (NASA GMAO)
-|Science
+|Convection
 |
-|-
+|-valign="top"
-!colspan="4" bgcolor="#CCFFFF"|Emissions and surface fluxes updates
+|High-res top-down TROPOMI-derived seasonal mean NOx emissions for China
+|Jintai Lin (PKU)
+|Emissions
+|
+*Horizontal resolution: 5km, temporal resolution: JJA mean
+*monthly data will be available at a later stage; please contact us
-|-
+|-valign="top"
-|[https://github.com/geoschem/geos-chem/pull/356 Blowing snow emissions of sea salt and bromine]
+|Updated biomass burning emission factors and species
-|Lyatt Jaegle (UW)
+|Tess Carter (MIT)
-|Science
+|Emissions
 |
-*Delivered to GCST (Jun 2020)
 |-valign="top"
-|Offline CLM Harmonization
+|Updated offline sea salt emissions
-|Anthony Wong (BU)<br>Jeff Geddes (BU)
+|Hongjian Weng (PKU) <br> Jintai Lin (PKU)
-|Science
+|Emissions
 |
-|-
+|-valign="top"
-!colspan="4" bgcolor="#CCFFFF"|Aerosol updates
+|[https://gmd.copernicus.org/articles/13/2569/2020/ Canopy Physics Model]
+|Sam Silva (MIT)
+|Emissions &<br>Science
+|
+*DOI: [https://zenodo.org/record/3614062#.XzvrH5NKjOR 10.5281/zenodo.3614062]
+*Needs to be updated to a more recent GEOS-Chem version
 |-valign="top"
-|Arctic marine SOA
+|Assessment/improvement of OpenMP performance in GC-Classic and HEMCO standalone
-|Betty Croft (Dalhousie)
+|Bob Yantosca (Harvard)
-|Science
+|Model performance
 |
-*Details on wiki only, not in standard code
+*Ongoing (will be done as time allows)
+|-valign="top"
+|Assess memory leak in GCHP
+|Killian Murphy (York)
+|Model performance
+|
+*NOTE: Most memory leaks in GCHP have been fixed by [https://github.com/geoschem/geos-chem/pull/1353 geoschem/geos-chem PR #1353]. Will wait until MAPL3 to further assess.
+|-valign="top"
+|Hybrid MPI-OpenMP in GCHP
+|Seb Eastham (MIT)<br>Killian Murphy (York)
+|Model performance
+|
+|-valign="top"
+|Improve pressure handling in GCHP advection
+|Seb Eastham (MIT)<br>Yuanjian Zhang (WashU)
+|GCHP
+|
+|-valign="top"
+|Use ExtData2G as default GCHP input module
+|Lizzie Lundgren (Harvard)
+|GCHP
+|Will replace ExtData.rc with yaml file
 |}
---[[User:Melissa Payer|Melissa Sulprizio]] ([[User talk:Melissa Payer|talk]]) 16:38, 14 May 2019 (UTC)
+== Over the horizon (6-12 months) ==
-=== Almost there (< 6 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="500px"|Item
+!width="200px"|Feature
-!width="200px"|Author(s)
+!width="200px"|Contributor(s)
-!width="100px"|Type
+!width="100px"|Model scope
-!width="300px"|Notes
+!width="420px"|Notes and References
 |-valign="top"
-|Provide climatologies for lightning NOx, volcano, and open fire emissions
+|Snow / Icy Bromine
-|GCST
+|Becky Alexander (UW)<br>William Swanson (U. Alaska)<br>Shuting Zhai (UW)
-|Science
+|Chemistry
 |
 |-valign="top"
-|[https://www.geosci-model-dev.net/12/111/2019/gmd-12-111-2019.pdf Aromatic VOC chemistry]
+|Monoterpene oxidation scheme
-|Kelvin Bates (Harvard)<br>Ke Li (Harvard)
+|Jessica Haskins (MIT)
-|Science
+|Chemistry
 |
 |-valign="top"
-|C2H4 and C2H2 chemistry
+|Fire related VOCs including furans
-|Kelvin Bates (Harvard)<br>Ke Li (Harvard)
+|Lu Hu (UMT)<br>Lixu Jin (UMT)
-|Science
+|Chemistry
 |
 |-valign="top"
-|Diagnostic to archive XCO2, XCO, and XCH4
+|Extension of UCX into the mesosphere
-|Dylan Jones (Toronto)
+|Seb Eastham (MIT)<br>Eric Fleming (NASA)
-|Science
+|Chemistry
 |
 |-valign="top"
-|Provide archived TCR-2 GEOS-Chem OH fields for carbon simulations
+|Methane flux ingestion
-|Kazu Miyazaki (JPL)
+|Eloise Marais (UCL)
-|Science
+|Chemistry
 |
 |-valign="top"
-|Evaluate the impact on the tropsophere of using the family approach for transport in the stratosphere
+|Dust non-sphericity impacts on surface chem and optical properties
-|Christoph Keller (NASA/GMAO)
+|Inderjeet Singh (WashU)
-|Science
+|Aerosols
 |
-*Important when [[Stratospheric_chemistry#Treatment_of_the_mesosphere_in_UCX_simulations|extending UCX into the mesosphere]]
 |-valign="top"
-|[[Stratospheric_chemistry#Treatment_of_the_mesosphere_in_UCX_simulations|Extend UCX into the mesosphere]]
+|Size-resolved stratospheric aerosol
-|Sebastian Eastham (MIT)<br>Eric Fleming (NASA GMAO)
+|Seb Eastham (MIT)
-|Science
+|Aerosols
 |
 |-valign="top"
-|Examine differences in the lightning NOx schemes in GEOS-Chem and GMI
+|Extend aerosol settling
-|Christoph Keller (NASA/GMAO)<br>Lee Murray (Rochester)
+|Eloise Marais (UCL)
-|Science
+|Aerosols
 |
 |-valign="top"
-|Heterogeneous sulfate production
+|Stratospheric aerosol APM
-|Lin Zhang (PKU)<br>Becky Alexander (UW)<br>Yuxuan Wang (U. Houston)
+|Fangqun Yu (SUNY)
-|Science
+|Aerosols
 |
 |-valign="top"
-|BrC aging
+|Plume-in-grid model
-|Xuan Wang (Harvard)<br>Melanie Hammer(Dalhousie)
+|Hongwei Sun (Harvard)
-|Science
+|Chemistry
 |
 |-valign="top"
-|Update of US emissions to NEI16
+|Updated lightning NOx: Prescribe from ground and geostationary lightning flashes
-|Barron Henderson (EPA)
+|Lee Murray (Rochester)
-|Science
+|Emissions
 |
 |-valign="top"
-|Updated surface ocean dissolved Hg0 from MITgcm
+|Seb aircraft emissions beyond recent 2019 update
-|Yanxu Zhang (Nanjing)
+|Seb Eastham (MIT)
-|Science
+|Emissions
 |
 |-valign="top"
-|One-Way Coupling w/ GISS ModelE3
+|FRP-based fire emsisions for eastern US at 0.2	deg
-|Lee Murray (Rochester)<br>Eric Leibensperger (SUNY Plattsburgh)
+|Charlie Fite (FSU)
-|Structural
+|Emissions
 |
 |-valign="top"
-|Shared Socioeconomic Pathways Emission Inventories
+|Hg iodine chemistry
-|Hong Liao (NUIST)
+|Yiming Fu<br>Yanxu Zhang (Nanjing U.)
-|Science
+|Hg simulation
 |
-|}
+|-valign="top"
+|Hg simulation in GCHP
---[[User:Melissa Payer|Melissa Sulprizio]] ([[User talk:Melissa Payer|talk]]) 16:38, 14 May 2019 (UTC)
+|Ari Feinberg (MIT)<br>Lyssa Freese (MIT)
+|Hg simulation
-=== Over the horizon (6-12 months) ===
+|
-{| border=1 cellspacing=0 cellpadding=5
-|- bgcolor="#cccccc"
-!width="500px"|Item
-!width="200px"|Author(s)
-!width="100px"|Type
-!width="300px"|Notes
 |-valign="top"
-|Update OCS simulation in the standard code
+|Update Hg ocean and soil boundary conditions for consistency with new chemistry
-|Kevin Bowman (JPL)
+|Yanxu Zhang (Nanjing U.)
-|Science
+|Hg simulation
 |
 |-valign="top"
-|Examine what are the differences in the PSC implementation in GEOS-Chem and GMI and assess the implications of these differences for startospheric ozone
+|Dry deposition diagnostics by land cover
-|Susan Strahan (Goddard)<br>Sebastian Eastham (MIT)
+|Holly Nowell (FSU)
-|Science
+|Diagnostics
 |
 |-valign="top"
-|Rediagnosis of RAS convection in GEOS-Chem
+|Dry deposition process diagnostics
-|Tailong He (Toronto)<br>Dylan Jones (Toronto)<br>Andrea Molod (NASA/GMAO)
+|Holly Nowell (FSU)
-|Science
+|Diagnostics
 |
 |-valign="top"
-|New schedule for tracer transport benchmarks (FP change, scavenging change, or major release)
+|Isotope simulation for CO and CH4 in GCHP
-|Andrea Molod (NASA/GMAO)
+|Lee Murray (Rochester)
-|Science
+|Carbon simulation
 |
 |-valign="top"
-|Methylethylketone chemistry
+|Updated bottom-up global CH4 oil, gas, and coal emissions (GFEI v3)
-|Jared Brewer (CSU)
+|Melissa Sulprizio (Harvard)<br>Tia Scarpelli (U. Edinburgh)<br>Zichong Chen (Harvard)
-|Science
+|Emissions<br>CH4 simulation
 |
 |-valign="top"
-|Add sulfate dependence to SOA yield from isoprene in simple SOA
+|Modularization of aerosols code for interface with GOCART in GEOS
-|Elo&iuml;se Marais (Leicester)
+|Christoph Keller (GMAO)
-|Science
+|Structural
 |
 |-valign="top"
-|Trace metal simulation
+|Improve load balancing in GCHP
-|Junwei Xu (Dalhousie)
+|Seb Eastham (MIT)
-|Science
+|Model performance
 |
 |-valign="top"
-|Hg gas-phase photo-reduction
+|Testing the use of monthly mean MERRA-2 CWC with Pb-210 aerosol tracer
-|Colin Thackray (Harvard)
+|Bo Zhang (NIA)<br>Hongyu Liu (NIA / NASA Langley)
-|Science
+|Transport
 |
 |-valign="top"
-|Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange
+|Testing the use of a new scavenging parameterization developed by Luo and Yu for cold cloud with Pb-210 aerosol tracer
-|Amos Tai (CUHK)
+|Gan Luo (SUNY Albany)<br>Fangqun Yu (SUNY-Albany)
-|Science
+|Transport
 |
 |-valign="top"
-|Canopy Physics Model
+|Evaluate vertical mixing in GEOS-Chem with model-model and model-observation comparisons
-|Sam Silva (MIT)
+|Seb Eastham (MIT)<br>Clara Orbe (NASA GISS)<br>Andrew Schuh (CSU)
-|Structural
+|Transport
 |
 |-valign="top"
-|Landcover/Fire Emissions Offline LPJlmfire
+|MAPL version 3
-|Loretta Mickley (Harvard)
+|Lizzie Lundgren (Harvard)
-|Science
+|GCHP
+|Will include History wildcard handling in GCHP
+|-valign="top"
+|Migrate benchmark meteorology from MERRA2 to GEOS-IT
+|GCST
+|Benchmarking
 |
 |}
---[[User:Melissa Payer|Melissa Sulprizio]] ([[User talk:Melissa Payer|talk]]) 16:38, 14 May 2019 (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
 |- bgcolor="#cccccc"
-!width="500px"|Item
+!width="200px"|Feature
-!width="200px"|Author(s)
+!width="200px"|Contributor(s)
-!width="100px"|Type
+!width="100px"|Model scope
-!width="300px"|Notes
+!width="420px"|Notes and References
 |-valign="top"
-|Implement isotope simulation for CO and CH4 in GCHP
+|Updates to Aromatic chemistry
-|Lee Murray (Rochester)
+|Stephen MacFarlane (UOW)<br>Jenny Fisher (UOW)
-|Science
+|Chemistry
 |
 |-valign="top"
-|Migrate LETFK DA scheme to GCHP
+|Nitrate photolysis
-|Kazu Miyazaki (JPL)
+|Mat Evans (York)<br>Thomas Sherwen (York)<br>Matthew Rowlinson (York)
-|Science
+|Chemistry
 |
 |-valign="top"
-|Super fast chemistry scheme
+|In aerosol chemistry Halogens
-|Benjamin Brown-Steiner (AER)<br>Makoto Kelp (Harvard)
+|Mat Evans (York)<br>Hansen Cao (CU Boulder)
-|Science
+|Chemistry
 |
 |-valign="top"
-|Add non-volatile cations to ISORROPIA
+|Benchmark box model of GC Chemistry
-|Becky Alexander (UW)
+|Katie Travis (NASA)
-|Science
+|Chemistry
 |
 |-valign="top"
-|Update Europe emissions to EMEP 2016
+|Alkyl nitrates Alk7, PHAN
-|Eloise Marais (Leicester)
+|Katie Travis (NASA)
-|Science
+|Chemistry
 |
 |-valign="top"
-|MEGAN3
+|Add stratospheric ozone species to full-chemistry simulations
-|Sam Silva (MIT)<br>Jen Kaiser (GIT)<br>Yuxuan Wang (UH)
+|Lee Murray (Rochester)
-|Science
+|Chemistry
 |
 |-valign="top"
-|DMS oxidation scheme updating
+|Perchlorate chemistry
-|Becky Alexander (UW)<br>Qianjie Chen (UW)
+|Yuk Chun Chan (UWAB)
-|Science
+|Chemistry
 |
 |-valign="top"
-|Streamlining of specialty simulations through HEMCO and KPP
+|Explicit heterogeneous sulfate chemistry
-|GCST<br>Chris Holmes (FSU)<br>Colin Thackray (Harvard) for Hg<br>Peter Ivatt (York) for PAH<br>Beata Bukosa (Wollongong) for joint CO-CO2-CH4
+|Katie Travis (NASA)<br>Becky Alexander (UT)
-|Science
+|Chemistry
 |
 |-valign="top"
-|Hg in WRF-GC
+|HOx and ozone "emissions" from lightning as option in model to play with
-|Yanxu Zhang (Nanjing)
+|Jingqiu (Alaska)<br>Lee Murray (Rochester)
-|Science
+|Emissions
 |
 |-valign="top"
-|Hg with blowing snow
+|Sea salt aerosol from sea ice leads
-|Yanxu Xhang (Nanjing)
+|Hannah Horowitz (U. Illinois)
-|Science
+|Emissions
 |
 |-valign="top"
-|Updated treatment of Hg in ocean
+|Drought-stress algorithm
-|Chris Holmes (FSU)
+|Wei Li (U. Houston)
-|Science
+|
 |
 |-valign="top"
-|GTMM updates
+|Biomass burning injection height profiles
-|Ben Geyman (Harvard)
+|Inderjeet Singh (WashU)
-|Science
+|Emissions
 |
 |-valign="top"
-|Complex / multicomplex variables
+|OCIM integration
-|Shannon Capps (Drexel)
+|Chris Holmes (FSU)<br>Lee Murray (Rochester)
-|Structural
+|
 |
 |-valign="top"
-|Archived CMIP6 Met Products for GEOS-Chem Input
+|Updating landcover products in GEOS-Chem
-|Lee Murray (Rochester)
+|Chris Holmes (FSU)<br>Jeff Geddes (BU)
-|Science
+|Input data
 |
-|}
+|-valign="top"
+|Dry deposition physical improvement
+|Chris Holmes (FSU)
+|Dry deposition
+|
---[[User:Melissa Payer|Melissa Sulprizio]] ([[User talk:Melissa Payer|talk]]) 16:38, 14 May 2019 (UTC)
+|-valign="top"
+|TOMAS WRF-GC in regional Thailand simulation
+|Win Trivitayanurak (Chulalongkorn U)
+|Aerosols
+|
-----------------
+|}
-'''''[[Main_Page|GEOS-Chem Main Page]] | [[GCHP_Main_Page|GCHP Main Page]]'''''