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

Latest revision as of 17:46, 31 May 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 soil NOx parameterization	Yi Wang (U. Iowa) Jun Wang (U. Iowa)	Emissions	Medium	geos-chem issue #1288 Incorporates new met field TSOIL1

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.
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	Delivered	geos-chem PR 2103

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 17:46, 31 May 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 [http://acmg.seas.harvard.edu/geos/geos_working_groups.html Working Groups] and the [http://acmg.seas.harvard.edu/geos/geos_steering_cmte.html Steering Committee]. For history of past releases see the [[GEOS-Chem_versions|GEOS-Chem Versions wiki page]].
-== Release schedule ==
-Please see the [http://wiki.seas.harvard.edu/geos-chem/images/e/e1/GEOS-Chem_Release_Proposal.pdf GEOS-Chem Release Proposal] outlining the procedure and schedule for releasing GEOS-Chem versions.
 == Merged and awaiting release ==
@@ Line 13: / Line 7: @@
 {| border=1 cellspacing=0 cellpadding=5
 |-bgcolor="#CCCCCC"
-!width="200px"|Patch version in development
+!width="300px"|Mergeable at any time
-!width="200px"|Minor version in development
+!width="200px"|Version in development
 |-valign="top"
-|align="center"| -
+|align="center"|'''[[GEOS-Chem no-diff-to-benchmark]]'''
-|align="center"|'''[[GEOS-Chem 13.4.0]]'''
+|align="center"|'''[[GEOS-Chem 14.5.0]]'''
 |}
@@ Line 24: / Line 18: @@
 == 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.
+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
@@ Line 32: / Line 26: @@
 !width="100px"|Model scope
 !width="100px"|Ease of implementation
-!width="300px"|Notes
+!width="300px"|Notes and References
 |-valign="top"
-|Migrating sulfate chemistry into KPP
+|[https://github.com/geoschem/geos-chem/issues/1288 New soil NOx parameterization]
-*Includes HMS rxns via KPP
+|Yi Wang (U. Iowa)<br>Jun Wang (U. Iowa)
-|Mike Long (GCST)<br>Viral Shah (Harvard)<br>Bob Yantosca (GCST)
+|Emissions
-|Chemistry &<br>Structural
+|Medium
-|Difficult
 |
-*See [https://github.com/geoschem/geos-chem/pull/1054 geoschem/geos-chem PR #1054]
+*[https://github.com/geoschem/geos-chem/issues/1288 geos-chem issue #1288]
-*Undergoing validation
+*Incorporates new met field TSOIL1
+|}
+== 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"
-|[http://acmg.seas.harvard.edu/publications/2021/shah_est_2021.pdf Updated Hg chemistry in KPP]
+|ALK4 & R4N2 chemistry
-|Viral Shah (Harvard)<br>Colin Thackray (Harvard)<br>Mike Long (GCST)<br>Bob Yantosca (GCST)
+|Jared Brewer (UMN)
 |Chemistry
-|Medium
+|TBD
+|Not delivered
 |
-*See [https://github.com/geoschem/geos-chem/pull/1063 geoschem/geos-chem PR #1063]
+*[https://github.com/geoschem/geos-chem/issues/1625 geos-chem issue #1625]
-*In testing
+*[https://acmg.seas.harvard.edu/files/acmg/files/brewer2022.pdf Brewer, J.F. et al., J. Geophys. Res., 2023.]
 |-valign="top"
-|[https://doi.org/10.5194/acp-2021-911 Updated Global Inventory of Methane Emissions from Oil/Gas/Coal (GFEI v2)]
+|Mass flux regridding fix in MAPL
-|Tia Scarpelli (U. Edinburgh)
+|Tom Clune (GMAO)<br>Seb Eastham (MIT)
-|Emissions
+|GCHP input regridding
-|Easy
+|Medium
 |
-*See [https://github.com/geoschem/geos-chem/issues/1043 geoschem/geos-chem #1043]
-*Reference: Scarpelli et al [2021],<br>DOI: [https://doi.org/10.5194/acp-2021-911 10.5194/acp-2021-911]
-|-valign="top"
-|[https://github.com/geoschem/geos-chem/issues/331 Provide climatologies for open fire emissions]
-|Melissa Sulprizio (GCST)
-|Emissions
-|Easy
 |
+*[https://github.com/geoschem/GCHP/issues/377 GCHP Issue #377]
+*'''Currently on hold, as the submitted update results in zero diff'''
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/issues/655 Climatologies for lightning NOx], [https://github.com/geoschem/geos-chem/issues/331 biomass burning], and [https://github.com/geoschem/geos-chem/issues/656 volcanoes]
+|New version of CEDS at 0.1 deg
-|Lee Murray (Rochester)<br>Melissa Sulprizio (GCST)
+|Dandan Zhang (WashU)
 |Emissions
-|Easy
+|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.'''
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/pull/945 Add option for driving GEOS-Chem with native GEOS meteorological files]
+|Remove differences in GC-Classic due to HEMCO reading REAL8 restart as REAL4
-|Liam Bindle (GCST)
+|Lizzie Lundgren (Harvard)
-|Structural
+|GC-Classic
-|Easy
+|Medium
+|
 |
+*[https://github.com/geoschem/HEMCO/issues/18 hemco issue #18]
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/pull/990 Change State_Chm%Species from 4D to vector of 3D arrays]
+|Capture all trop and PBL height changes in budget diagnostics
-|Lizzie Lundgren (GCST)
+|Chris Holmes (FSU)<br>Lizzie Lundgren (Harvard)
-|Structural
+|Diagnostics
 |Medium
+|Delivered
 |
-*Ongoing
+*[https://github.com/geoschem/geos-chem/pull/2103 geos-chem PR 2103]
-|-valign="top"
-|Upgrade Fast-JX to Cloud-J
-|Lizzie Lundgren (GCST)
-|Structural
-|Difficult
-|
-*See [https://github.com/geoschem/cloud-j geoschem/cloud-j]
-*Ongoing
-|-valign="top"
-|Add capability to use mass fluxes in advection
-|Sebastian Eastham (MIT) <br> Liam Bindle (GCST)
-|Transport
-|Easy
-|
-*Identified as a priority for GC 13, but not yet delivered
-*GCHP only
 |}
-== Feature integration in the queue ==
+== Ready to go in ==
-Features listed in this table have been delivered to the GEOS-Chem Support Team and are prioritized to be integrated into GEOS-Chem in the near future.
+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
@@ Line 119: / Line 111: @@
 !width="200px"|Contributor(s)
 !width="100px"|Model scope
-!width="100px"|Ease of implementation
+!width="100px"|Delivery status
-!width="300px"|Notes
+!width="300px"|Notes and References
 |-valign="top"
-|[https://gmd.copernicus.org/articles/13/2569/2020/ MEGAN3]
+|KORUS-AQ emissions for East Asia (as an option)
-|Sam Silva (MIT)
+|Katie Travis (NASA)
 |Emissions
-|Medium
+|Simple
 |
-*Implementation details may be found at https://zenodo.org/record/3614062#.XzvrH5NKjOR
-*Base code version is 12.3.0
 |-valign="top"
-|[https://gmd.copernicus.org/articles/13/2569/2020/ Canopy Physics Model]
+|Geologic emission of ethane and propane
-|Sam Silva (MIT)
+|Matthew Rowlinson and Mat Evans(York)
-|Emissions &<br>Science
+|Emissions
-|Medium
+|Delivered<br>Jan 2023
 |
-*Code is available at https://zenodo.org/record/3614062
+*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
-*Base code version is 12.3.0
 |-valign="top"
-|[https://edgar.jrc.ec.europa.eu/dataset_ghg60 Use EDGARv6 global anthro emissions for CH4 simulation]
+|[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"
+|LPJ land cover (global), fire (W US), dust emissions (SW N America), 1700-2100
+|Yang Li (Baylor University)<br>Loretta Mickley (Harvard)
 |Emissions
-|Medium
+|Delivered<br>Jul 2021
 |
-*[https://github.com/geoschem/geos-chem/issues/1044 geoschem/geos-chem #1044]
+*Data involves many files- need to think about temporal frequency
-*[https://edgar.jrc.ec.europa.eu/dataset_ghg60 Link to EDGAR data]
 |-valign="top"
-|[https://acp.copernicus.org/articles/19/7055/2019/ Joint CO2-CO-CH4-OCS simulation]
+|[https://github.com/geoschem/geos-chem/issues/1867 Online H2 chemistry]
-|Beata Bukosa (NIWA)<br>Kevin Bowman (JPL)
+|Maria Paula Pérez-Peña (UNSW)<br>Jenny Fisher (UOW)<br>Dylan Millet (UMN)
-|Specialty simulation
+|Chemistry
-|Medium
+|Delivered<br>June 2023
 |
-*See [https://github.com/geoschem/geos-chem/issues/654 geoschem/geos-chem #654]
+*[https://acp.copernicus.org/articles/22/12367/2022/acp-22-12367-2022.html Pérez-Peña, M.P. et al., ACP, 2022.]
-*Ideally implemented as a chemical mechanism in KPP
+*Implemented in v12.5, needs to be brought up to current version
 |-valign="top"
-|[https://gmd.copernicus.org/articles/13/2475/2020/gmd-13-2475-2020.pdf Adaptive chemical solver] (as option)
+|DMS Chemistry
-|Mike Long (Harvard) <br> Haipeng Lin (Harvard)
+|Linia Tashmim (UC Riverside)<br>William Porter (UC Riverside)
 |Chemistry
-|Difficult
+|Not delivered
 |
-*In testing
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/issues/770 Output satellite diagnostics as NetCDF]
+|Organic acids (RCOOH)
-|Eloise Marais (UCL)
+|Katie Travis (NASA)
-|Diagnostics
+|Chemistry
-|Easy
+|Not delivered
 |
-|}
-== Feature integration not yet prioritized ==
-Features listed in this table have been delivered to the GEOS-Chem Support Team but are not yet prioritized for integrating into the model.
-{| 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="300px"|Notes
 |-valign="top"
-|[https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/2006GL026015 Stratospheric HCN chemistry]
+|Improve carbon & nitrogen conservation in reactions
-|Armin Kleinbohl (JPL)<br>Debra Weisenstein (Harvard, retired)
+|Kelvin Bates (Harvard)
 |Chemistry
-|Medium
+|Not delivered
 |
-*Delivered to GCST (Jun 2020)
 |-valign="top"
-|[https://gmd.copernicus.org/articles/13/1137/2020/ GC-YIBs biosphere-atmospheric chemistry coupled model]
+|Blowing snow sea salt in TOMAS
-|Xu Yue (NUIST)
+|Betty Croft (Dalhousie)
-|Science
+|Aerosols
-|Easy
+|Not delivered
 |
-*See [https://github.com/geoschem/geos-chem/issues/425 geoschem/geos-chem #425]
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/pull/629 Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange]
+|[https://pubs.rsc.org/en/content/articlelanding/2022/EM/D2EM00019A Australian anthropogenic Hg emissions]
-|Joey Lam(CUHK)<br>Amos Tai (CUHK)
+|Stephen MacFarlane (UOW)<br>Jenny Fisher (UOW)<br> Hannah Horowitz (U. Illinois)<br>Viral Shah (Harvard)
-|Science
+|Hg simulation
-|Easy
+|Not delivered
 |
-*Delivered to GCST (Feb 2021)
-*See [https://github.com/geoschem/geos-chem/pull/629 geoschem/geos-chem #629]
 |-valign="top"
-|[[Stratospheric_chemistry#Treatment_of_the_mesosphere_in_UCX_simulations|Extend UCX into the mesosphere]]
+|WRF-GC Hg simulation
-|Sebastian Eastham (MIT)<br>Eric Fleming (NASA GMAO)
+|Xiaotian Xu (Nanjing U.)<br>Yanxu Zhang (Nanjing U.)
-|Chemistry
+|Hg simulation<br>WRF-GC
-|Easy
+|Not delivered
 |
 |-valign="top"
-|Landcover/Fire Emissions Offline LPJlmfire
+|Updated HgII gas-partical partitioning
-|Loretta Mickley (Harvard)<br>Yang Li (Harvard)
+|Kaiyun Liu (Tsinghua U.)<br>Qingru Wu (Tsinghua U.)<br>Shuxiao Wang (Tsinghua U.)
-|Emissions
+|Hg simulation
-|Easy
+|Not delivered
 |
-*Data files delivered to GCST (July 2021)
+*Should be option, not default
 |-valign="top"
-|Anthropogenic Methane Emission Inventory for Canada
+|Dry deposition to F90 (readability)
-|Tia Scarpelli (U. Edinburgh)
+|Chris Holmes (FSU)
-|Emissions
+|Dry deposition
-|Easy
+|Not delivered
 |
-*Scarpelli, T.R., D.J. Jacob, M. Moran, F. Reuland, and D. Gordon, [https://projects.iq.harvard.edu/acmg/publications/gridded-inventory-canadas-anthropogenic-methane-emissions A gridded inventory of Canada's anthropogenic methane emissions], submitted to Environ. Res. Lett., 2021.
 |}
@@ Line 242: / Line 217: @@
 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"
 !width="200px"|Feature
 !width="200px"|Contributor(s)
 !width="100px"|Model scope
-!width="420px"|Notes
+!width="420px"|Notes and References
+|-valign="top"
+|PPN+hv, PPN+OH
+|Robert Ryan (UCL)
+|Chemistry
+|
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/issues/559 Implement H2 chemistry in UCX]
+|MBO
-|Chris Holmes (FSU)
+|Michael Vermeuel (UMN)
 |Chemistry
 |
-*Identified as a priority for GC 13, but not yet delivered
 |-valign="top"
-|[https://iopscience.iop.org/article/10.1088/1748-9326/ac16a3 New soil NOx parameterization]
+|Initial conditions for CH4 correcting background and stratospheric biases
-|Yi Wang (U. Iowa)<br>Jun Wang (U. Iowa)
+|Todd Mooring (Harvard)
-|Emissions
+|Methane simulation
 |
 |-valign="top"
-|[[Grid-independent_emissions|Updated offline biogenic emissions]]
+|Migrating simple SOA formation from carbon_mod.F90 into the KPP "full-chemistry" mechanism
-|Hongjian Weng (PKU)
+|Bob Yantosca (Harvard)
-|Emissions
+|Aerosols<br>Structural
 |
-*Identified as a priority for GC 13, but not yet delivered
+*Ongoing
 |-valign="top"
-|[[Grid-independent_emissions|Updated offline sea salt emissions]]
+|Re-binning of off-line sea salt and dust for use in TOMAS
-|Hongjian Weng (PKU)
+|Betty Croft (Dalhousie)
-|Emissions
+|Aerosols
 |
-*Identified as a priority for GC 13, but not yet delivered
 |-valign="top"
-|[[Grid-independent_emissions|Updated offline soil NOx emissions]]
+|Adaption of TOMAS' in-cloud aqueous sulfate production for KPP versus sulfate_mod.F90
-|Hongjian Weng (PKU)
+|Betty Croft (Dalhousie)
-|Emissions
+|Aerosols
 |
-*Identified as a priority for GC 13, but not yet delivered
 |-valign="top"
-|Provide recommended rather than hard-coded scaling factors for online emissions
+|ML algorithms for bulk aerosols
-|GCST
+|Arshad Nair (SUNY Albany)<br>Fangqun Yu (SUNY Albany)
-|Emissions
+|Aerosols
 |
-*Identified as a priority for GC 13, but not yet developed
 |-valign="top"
-|Diagnostic to archive XCO2, XCO, and XCH4
+|PM2.5 and PM10 calculations: aerodynamic vs geometric diameters
-|Dylan Jones (Toronto)
+|Shixian Zhai (Harvard)
-|Diagnostic
+|Aerosols
 |
 |-valign="top"
-|Provide archived TCR-2 GEOS-Chem OH fields for carbon simulations
+|Updates to Hodzic SOA scheme
-|Kazu Miyazaki (JPL)
+|Jared Brewer (Harvard)
-|Input data
+|Aerosols
 |
 |-valign="top"
-|BrC aging
+|Automated reduction in isoprene scheme
-|Xuan Wang (Harvard)<br>Melanie Hammer(Dalhousie)
+|Dan Westervelt (Lamont-Doherty)
-|Chemistry
+|Aerosols
 |
 |-valign="top"
-|Shared Socioeconomic Pathways Emission Inventories
+|Brown carbon chemsitry
-|Hong Liao (NUIST)
+|Jingqiu Mao (U. Alaska)<br>Xuan Wang (CUHK)
-|Emissions
+|Aerosols
 |
 |-valign="top"
-|Rediagnosis of RAS convection in GEOS-Chem
+|GEOS resolution and subgrid convection - Part 2 RAS parameter tuning
-|Tailong He (Toronto)<br>Dylan Jones (Toronto)<br>Andrea Molod (NASA/GMAO)
+|Tailong He (Toronto)<br>Dylan Jones (Toronto)<br>Andrea Molod (NASA GMAO)
 |Convection
 |
-*Work is finished and a manuscript is in preparation.
 |-valign="top"
-|Change GCHP advection inputs to use total pressure and mixing ratio rather than dry
+|High-res top-down TROPOMI-derived seasonal mean NOx emissions for China
-|Sebastian Eastham (MIT) <br> Liam Bindle (GCST)
+|Jintai Lin (PKU)
-|Transport
+|Emissions
 |
-*Identified as a priority for GC 13, but not yet delivered
+*Horizontal resolution: 5km, temporal resolution: JJA mean
-*GCHP only
+*monthly data will be available at a later stage; please contact us
 |-valign="top"
-|HTAPv3 emissions (0.1 deg, 2002-2018)
+|Updated biomass burning emission factors and species
-|Emissions & Deposition WG
+|Tess Carter (MIT)
 |Emissions
 |
 |-valign="top"
-|Migrating simple SOA formation from carbon_mod.F90 into the KPP "full-chemistry" mechanism
+|Updated offline sea salt emissions
-|GCST
+|Hongjian Weng (PKU) <br> Jintai Lin (PKU)
-|Chemistry
+|Emissions
 |
 |-valign="top"
-|Updated parameterization of aerosol size distribution for bulk aerosol simulations
+|[https://gmd.copernicus.org/articles/13/2569/2020/ Canopy Physics Model]
-|Haihui Zhu (WashU)<br>Shixian Zhai (Harvard)
+|Sam Silva (MIT)
-|Aerosols
+|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"
+|Assessment/improvement of OpenMP performance in GC-Classic and HEMCO standalone
+|Bob Yantosca (Harvard)
+|Model performance
+|
+*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
 |}
@@ Line 360: / Line 368: @@
 !width="200px"|Contributor(s)
 !width="100px"|Model scope
-!width="420px"|Notes
+!width="420px"|Notes and References
 |-valign="top"
-|Methylethylketone chemistry
+|Snow / Icy Bromine
-|Jared Brewer (CSU)
+|Becky Alexander (UW)<br>William Swanson (U. Alaska)<br>Shuting Zhai (UW)
 |Chemistry
 |
 |-valign="top"
-|Add sulfate dependence to SOA yield from isoprene in simple SOA
+|Monoterpene oxidation scheme
+|Jessica Haskins (MIT)
+|Chemistry
+|
+|-valign="top"
+|Fire related VOCs including furans
+|Lu Hu (UMT)<br>Lixu Jin (UMT)
+|Chemistry
+|
+|-valign="top"
+|Extension of UCX into the mesosphere
+|Seb Eastham (MIT)<br>Eric Fleming (NASA)
+|Chemistry
+|
+|-valign="top"
+|Methane flux ingestion
 |Eloise Marais (UCL)
 |Chemistry
@@ Line 375: / Line 401: @@
 |-valign="top"
-|GTMM updates
+|Dust non-sphericity impacts on surface chem and optical properties
-|Ben Geyman (Harvard)
+|Inderjeet Singh (WashU)
+|Aerosols
+|
+|-valign="top"
+|Size-resolved stratospheric aerosol
+|Seb Eastham (MIT)
+|Aerosols
+|
+|-valign="top"
+|Extend aerosol settling
+|Eloise Marais (UCL)
+|Aerosols
+|
+|-valign="top"
+|Stratospheric aerosol APM
+|Fangqun Yu (SUNY)
+|Aerosols
+|
+|-valign="top"
+|Plume-in-grid model
+|Hongwei Sun (Harvard)
+|Chemistry
+|
+|-valign="top"
+|Updated lightning NOx: Prescribe from ground and geostationary lightning flashes
+|Lee Murray (Rochester)
+|Emissions
+|
+|-valign="top"
+|Seb aircraft emissions beyond recent 2019 update
+|Seb Eastham (MIT)
+|Emissions
+|
+|-valign="top"
+|FRP-based fire emsisions for eastern US at 0.2	deg
+|Charlie Fite (FSU)
+|Emissions
+|
+|-valign="top"
+|Hg iodine chemistry
+|Yiming Fu<br>Yanxu Zhang (Nanjing U.)
 |Hg simulation
 |
+|-valign="top"
+|Hg simulation in GCHP
+|Ari Feinberg (MIT)<br>Lyssa Freese (MIT)
+|Hg simulation
+|
 |-valign="top"
-|[https://github.com/geoschem/GCHP/issues/19 Integrating GMAO's tracer gridded component in GCHP]
+|Update Hg ocean and soil boundary conditions for consistency with new chemistry
-|Christoph Keller (NASA GMAO)
+|Yanxu Zhang (Nanjing U.)
-|Transport Tracer simulation
+|Hg simulation
 |
 |-valign="top"
-|Streamlining of specialty simulations through HEMCO and KPP
+|Dry deposition diagnostics by land cover
+|Holly Nowell (FSU)
+|Diagnostics
+|
+|-valign="top"
+|Dry deposition process diagnostics
+|Holly Nowell (FSU)
+|Diagnostics
+|
+|-valign="top"
+|Isotope simulation for CO and CH4 in GCHP
+|Lee Murray (Rochester)
+|Carbon simulation
+|
+|-valign="top"
+|Updated bottom-up global CH4 oil, gas, and coal emissions (GFEI v3)
+|Melissa Sulprizio (Harvard)<br>Tia Scarpelli (U. Edinburgh)<br>Zichong Chen (Harvard)
+|Emissions<br>CH4 simulation
+|
+|-valign="top"
+|Modularization of aerosols code for interface with GOCART in GEOS
+|Christoph Keller (GMAO)
+|Structural
+|
+|-valign="top"
+|Improve load balancing in GCHP
+|Seb Eastham (MIT)
+|Model performance
+|
+|-valign="top"
+|Testing the use of monthly mean MERRA-2 CWC with Pb-210 aerosol tracer
+|Bo Zhang (NIA)<br>Hongyu Liu (NIA / NASA Langley)
+|Transport
+|
+|-valign="top"
+|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)<br>Fangqun Yu (SUNY-Albany)
+|Transport
+|
+|-valign="top"
+|Evaluate vertical mixing in GEOS-Chem with model-model and model-observation comparisons
+|Seb Eastham (MIT)<br>Clara Orbe (NASA GISS)<br>Andrew Schuh (CSU)
+|Transport
+|
+|-valign="top"
+|MAPL version 3
+|Lizzie Lundgren (Harvard)
+|GCHP
+|Will include History wildcard handling in GCHP
+|-valign="top"
+|Migrate benchmark meteorology from MERRA2 to GEOS-IT
 |GCST
-|Chemistry, Specialty simulations
+|Benchmarking
 |
@@ Line 398: / Line 538: @@
 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"
@@ Line 403: / Line 544: @@
 !width="200px"|Contributor(s)
 !width="100px"|Model scope
-!width="420px"|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)
-|Specialty simulation
+|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)
-|Structural
+|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)
 |Chemistry
 |
-*SF mechanism has been implemented and benchmarked in GEOS-Chem 12.0.0. This mechanism is of interest for those groups wanting fast global simulation of oxidation fields in GEOS-Chem simulations focused on aerosol microphysics.
-*The machine-learned chemical solver is still probably 12 months away from online implementation into GEOS-Chem.
 |-valign="top"
-|Add non-volatile cations to ISORROPIA
+|Benchmark box model of GC Chemistry
-|Becky Alexander (UW)
+|Katie Travis (NASA)
-|Aerosols
+|Chemistry
 |
 |-valign="top"
-|DMS oxidation scheme updating
+|Alkyl nitrates Alk7, PHAN
-|Becky Alexander (UW)<br>Qianjie Chen (UW)
+|Katie Travis (NASA)
 |Chemistry
 |
-*Delayed - implemented pre-KPP
-*Currently bring implemented in KPP by UC Riverside group
 |-valign="top"
-|Heterogeneous sulfate production
+|Add stratospheric ozone species to full-chemistry simulations
-|Lin Zhang (PKU)<br>Becky Alexander (UW)<br>Yuxuan Wang (U. Houston)
+|Lee Murray (Rochester)
 |Chemistry
 |
-*Delayed - implemented pre-KPP
 |-valign="top"
-|Hg in WRF-GC
+|Perchlorate chemistry
-|Yanxu Zhang (Nanjing)
+|Yuk Chun Chan (UWAB)
-|Hg simulation
+|Chemistry
 |
 |-valign="top"
-|Hg with blowing snow
+|Explicit heterogeneous sulfate chemistry
-|Yanxu Xhang (Nanjing)
+|Katie Travis (NASA)<br>Becky Alexander (UT)
-|Emissions, Hg simulation
+|Chemistry
 |
 |-valign="top"
-|Hg isotopes
+|HOx and ozone "emissions" from lightning as option in model to play with
-|Xiaotian Xu, Yanxu Xhang (Nanjing)
+|Jingqiu (Alaska)<br>Lee Murray (Rochester)
-|Hg simulation
+|Emissions
 |
 |-valign="top"
-|Hg in CESM CAM-CHEM
+|Sea salt aerosol from sea ice leads
-|Peng Zhang, Yanxu Xhang (Nanjing)
+|Hannah Horowitz (U. Illinois)
-|Hg simulation
+|Emissions
 |
 |-valign="top"
-|Complex / multicomplex variables
+|Drought-stress algorithm
-|Shannon Capps (Drexel)
+|Wei Li (U. Houston)
-|Structural
+|
 |
-|}
+|-valign="top"
+|Biomass burning injection height profiles
+|Inderjeet Singh (WashU)
+|Emissions
+|
-----------------
+|-valign="top"
+|OCIM integration
+|Chris Holmes (FSU)<br>Lee Murray (Rochester)
+|
+|
-'''''[[Main_Page|GEOS-Chem Main Page]] | [[GCHP_Main_Page|GCHP Main Page]]'''''
+|-valign="top"
+|Updating landcover products in GEOS-Chem
+|Chris Holmes (FSU)<br>Jeff Geddes (BU)
+|Input data
+|
+|-valign="top"
+|Dry deposition physical improvement
+|Chris Holmes (FSU)
+|Dry deposition
+|
+|-valign="top"
+|TOMAS WRF-GC in regional Thailand simulation
+|Win Trivitayanurak (Chulalongkorn U)
+|Aerosols
+|
+|}