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

Revision as of 18:08, 21 March 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
GCHP carbon simulation	Melissa Sulprizio (Harvard) Bob Yantosca (Harvard)	Carbon	Medium	geos-chem PR #1992 GCHP Issue #339
KORUS-AQ emissions for East Asia (as an option)	Katie Travis (NASA)	Emissions	Simple
Global continental chlorine (pCl and HCl) emissions	Bingqing Zhang (Georgia Tech) Pengfei Liu (Georgia Tech)	Emissions	Simple
New version of CEDS at 0.1 deg	Dandan Zhang (WashU)	Emissions	Simple	geos-chem issue #1745 Currently on hold while an issue with seasonality in the new CEDS data is being investigated
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 when breaking up runs in time	Lizzie Lundgren (Harvard)	GC-Classic	Medium
GCHP advection diagnostics	Lizzie Lundgren (Harvard)	GCHP diagnostics	Simple	gchp PR #395
Only convert units for species that need it	Bob Yantosca (Harvard)	Unit conversions	Medium	geos-chem PR #2072 This update breaks TOMAS, further development is needed

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
Online H2 chemistry	Maria Paula Pérez-Peña (UNSW) Jenny Fisher (UOW) Dylan Millet (UMN)	Chemistry	TBD	Delivered June 2023	Pérez-Peña, M.P. et al., ACP, 2022. Implemented in v12.5, needs to be brought up to current version
ALK4 & R4N2 chemistry	Jared Brewer (UMN)	Chemistry	TBD	Not delivered	geos-chem issue #1625 Brewer, J.F. et al., J. Geophys. Res., submitted 2023.
Updated gravitational settling, dry mass-weighted mean diameters and hygroscopic growth in aerosol dry deposition	Yanshun Li (WashU)	Aerosols	Simple	Delivered Oct 2023	Li et al., ACP, 2023. geos-chem PR #1983 Waiting on code updates from developer
Mass flux regridding fix in MAPL	Lizzie Lundgren (Harvard) Seb Eastham (MIT)	GCHP input regridding	Medium		GEOS-ESM/MAPL PR #2056
Parameterization of SNA and OM dry size	Haihui Zhu (WashU)	Aerosols	Medium	Delivered Aug 2023	Zhu et al., EGUsphere, submitted 2023. geos-chem PR #1902 Currently on hold, as this update requires further modifications in the Cloud-J repository
Capture all trop and PBL height changes in budget diagnostics	Chris Holmes (FSU) Lizzie Lundgren (Harvard)	Diagnostics	Medium		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
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
MEIC (China regional) for 2000-2017 at 0.5x0.625 deg	Shixian Zhai (Harvard)	Emissions	Delivered	Need permission from Qiang Zhang (Tsinghua U.) to distribute data
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
Replace ISORROPIA with HTEPv1.0	Seb Eastham (MIT) Lizzie Lundgren (Harvard)	Aerosol thermodynamics	Will be git submodule
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)
Retire all BPCH diagnostics	Bob Yantosca (Harvard)	Diagnostics	Can be done following the TOMAS update for GCHP
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. Need to assess if any memory leaks still remain.
Hybrid MPI-OpenMP in GCHP	Seb Eastham (MIT) Killian Murphy (York)	Model performance
Improve run directory templating and creation with init_rd.sh and shared directories	Jourdan He (WashU)	Run directories
Table of CTM and online GCM properties: GCHP, GCC, GEOS-CTM, GC-Nested, online GEOS, GEOS-replay, etc	GCST?	Documentation

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
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

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"

Revision as of 18:08, 21 March 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
-=== 12.4.0 ===
+|-valign="top"
+|align="center"|'''[[GEOS-Chem no-diff-to-benchmark]]'''
+|align="center"|'''[[GEOS-Chem 14.4.0]]'''
-<span style="color:darkorange">'''This version is currently in development. See [[GEOS-Chem_12#12.4.0|the ''GEOS-Chem 12'' wiki page]] for details.'''</span>
+|}
-=== 12.5.0 ===
+== 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
 |-bgcolor="#CCCCCC"
-!width="500px"|Feature
+!width="200px"|Feature
-!width="200px"|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"
-|New version of MAPL
+|GCHP carbon simulation
-|GMAO<br>Lizzie Lundgren (GCST)
+|Melissa Sulprizio (Harvard)<br>Bob Yantosca (Harvard)
-|Structural
+|Carbon
+|Medium
 |
+*[https://github.com/geoschem/geos-chem/pull/1992 geos-chem PR #1992]
+*[https://github.com/geoschem/GCHP/issues/339 GCHP Issue #339]
-|}
+|-valign="top"
+|KORUS-AQ emissions for East Asia (as an option)
+|Katie Travis (NASA)
+|Emissions
+|Simple
+|
-== Priorities not yet assigned to a particular version ==
+|-valign="top"
+|[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
+|
-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"
+|New version of CEDS at 0.1 deg
+|Dandan Zhang (WashU)
+|Emissions
+|Simple
+|
+*[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'''
-=== Ready to go in ===
+|-valign="top"
+|[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
-{| border=1 cellspacing=0 cellpadding=5
+|-valign="top"
-|-bgcolor="#CCCCCC"
+|Remove differences in GC-Classic when breaking up runs in time
-!width="500px"|Feature
+|Lizzie Lundgren (Harvard)
-!width="200px"|Submitted by
+|GC-Classic
-!width="100px"|Type
+|Medium
-!width="300px"|Status
+|
-|-
+|-valign="top"
-!colspan="4" bgcolor="#CCFFFF"|Chemistry updates
+|GCHP advection diagnostics
+|Lizzie Lundgren (Harvard)
+|GCHP diagnostics
+|Simple
+|
+*[https://github.com/geoschem/GCHP/pull/395 gchp PR #395]
 |-valign="top"
-|[https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2018JD029133 N2O5, NO3, NO2 reactive uptake updates]
+|Only convert units for species that need it
-|Viral Shah (UW)<br>Lyatt Jaegle (UW)<br>Chris Holmes (FSU)<br>Erin McDuffie (Dalhousie)
+|Bob Yantosca (Harvard)
-|Science
+|Unit conversions
+|Medium
 |
-*Delivered to GCST (Dec 2018)
+*[https://github.com/geoschem/geos-chem/pull/2072 geos-chem PR #2072]
+*'''This update breaks TOMAS, further development is needed'''
+|}
+== 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"
-|Subgrid cloud NOy chemistry
+|[https://github.com/geoschem/geos-chem/issues/1867 Online H2 chemistry]
-|Chris Holmes (FSU)
+|Maria Paula Pérez-Peña (UNSW)<br>Jenny Fisher (UOW)<br>Dylan Millet (UMN)
-|Science
+|Chemistry
+|TBD
+|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"
-|Implement H2 chemistry in UCX
+|ALK4 & R4N2 chemistry
-|Chris Holmes (FSU)
+|Jared Brewer (UMN)
-|Science
+|Chemistry
+|TBD
+|Not delivered
 |
+*[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., submitted 2023.]
 |-valign="top"
-|Joint CO, CO2, CH4 simulation
+|[https://github.com/geoschem/geos-chem/pull/1983 Updated gravitational settling, dry mass-weighted mean diameters and hygroscopic growth in aerosol dry deposition]
-|Beata Bukosa (Wollongong)
+|Yanshun Li (WashU)
-|Science
+|Aerosols
+|Simple
+|Delivered<br>Oct 2023
 |
+*[https://acp.copernicus.org/articles/23/12525/2023/acp-23-12525-2023.html Li et al., ACP, 2023.]
+*[https://github.com/geoschem/geos-chem/pull/1983 geos-chem PR #1983]
+* '''Waiting on code updates from developer'''
-|-
+|-valign="top"
-!colspan="4" bgcolor="#CCFFFF"|Emissions and surface fluxes updates
+|Mass flux regridding fix in MAPL
+|Lizzie Lundgren (Harvard)<br>Seb Eastham (MIT)
-|-valign="top
+|GCHP input regridding
-|Updated Streets Hg emissions
+|Medium
-|Colin Thackray (Harvard)
+|
-|Science
 |
+*[https://github.com/GEOS-ESM/MAPL/pull/2056 GEOS-ESM/MAPL PR #2056]
-|-valign="top
+|-valign="top"
-|Updated EDGAR 4.3 Hg emissions
+|[https://github.com/geoschem/geos-chem/issues/1747 Parameterization of SNA and OM dry size]
-|Amanda Giang (UBC)
+|Haihui Zhu (WashU)
-|Science
+|Aerosols
+|Medium
+|Delivered<br>Aug 2023
 |
+*[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]
+*'''Currently on hold, as this update requires further modifications in the Cloud-J repository'''
-|-valign="top
+|-valign="top"
-|Historical biomass burning emissions (1750-2014, BCC4CMIP and LPJ-LMfire)
+|Capture all trop and PBL height changes in budget diagnostics
-|Pengfei Liu (Harvard)
+|Chris Holmes (FSU)<br>Lizzie Lundgren (Harvard)
-|Science
+|Diagnostics
+|Medium
 |
+|
+*[https://github.com/geoschem/geos-chem/pull/2103 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.
+{| 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"
-|HNO3 cold-temperature deposition
+|Geologic emission of ethane and propane
-|Viral Shah (Harvard)
+|Matthew Rowlinson and Mat Evans(York)
-|Science
+|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"
-|Simple parameterization for CO2 dependence of stomatal resistance
+|[https://github.com/geoschem/geos-chem/pull/629 Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange]
-|Amos Tai (CUHK)
+|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
+|-valign="top"
-|Checked GFED4 version used by HEMCO
+|LPJ land cover (global), fire (W US), dust emissions (SW N America), 1700-2100
-|Siddhant Pai (MIT)
+|Yang Li (Baylor University)<br>Loretta Mickley (Harvard)
-|Science
+|Emissions
+|Delivered<br>Jul 2021
 |
-*Older versions have bugs
+*Data involves many files- need to think about temporal frequency
-|-valign="top
+|-valign="top"
-|Retire obsolete emission inventories
+|[https://github.com/geoschem/geos-chem/issues/550 MEIC (China regional) for 2000-2017 at 0.5x0.625 deg]
-|Eloise Marais (Leicester)
+|Shixian Zhai (Harvard)
-|Science
+|Emissions
+|Delivered
 |
+*Need permission from Qiang Zhang (Tsinghua U.) to distribute data
 |-valign="top"
-|Offline CLM Harmonization
+|DMS Chemistry
-|Anthony Wong (BU)<br>Jeff Geddes (BU)
+|Linia Tashmim (UC Riverside)<br>William Porter (UC Riverside)
-|Science
+|Chemistry
+|Not delivered
 |
-|-
-!colspan="4" bgcolor="#CCFFFF"|Aerosol updates
 |-valign="top"
-|Bug in aerosol pH calculation when dry
+|Organic acids (RCOOH)
-|Becky Alexander (UW), Xuan Wang (Harvard)
+|Katie Travis (NASA)
-|Science
+|Chemistry
+|Not delivered
 |
 |-valign="top"
-|Remove isoprene in VBS (leaving aqueous)
+|Improve carbon & nitrogen conservation in reactions
-|GCST w/ guidance from Sid Pai (MIT)
+|Kelvin Bates (Harvard)
-|Science
+|Chemistry
+|Not delivered
 |
 |-valign="top"
-|Arctic marine SOA
+|Blowing snow sea salt in TOMAS
 |Betty Croft (Dalhousie)
-|Science
+|Aerosols
+|Not delivered
 |
-*Details on wiki only, not in standard code
-|-
+|-valign="top"
-!colspan="4" bgcolor="#CCFFFF"|Transport updates
+|[https://pubs.rsc.org/en/content/articlelanding/2022/EM/D2EM00019A Australian anthropogenic Hg emissions]
+|Stephen MacFarlane (UOW)<br>Jenny Fisher (UOW)<br> Hannah Horowitz (U. Illinois)<br>Viral Shah (Harvard)
+|Hg simulation
+|Not delivered
+|
 |-valign="top"
-|[[Chemistry_Issues#Correcting_ozone_from_the_height_of_the_lowest_model_level_to_the_surface|Diagnostic for correcting ozone from the height of the lowest model level to 10m]]
+|WRF-GC Hg simulation
-|Katie Travis (MIT)<br>GCST
+|Xiaotian Xu (Nanjing U.)<br>Yanxu Zhang (Nanjing U.)
-|Science
+|Hg simulation<br>WRF-GC
+|Not delivered
 |
-*Make flexible to other heights and species
 |-valign="top"
-|Wet deposition parameterizations: Henry's law coefficients, etc.
+|Updated HgII gas-partical partitioning
-|Sarah Safieddine (MIT)
+|Kaiyun Liu (Tsinghua U.)<br>Qingru Wu (Tsinghua U.)<br>Shuxiao Wang (Tsinghua U.)
-|Science
+|Hg simulation
+|Not delivered
 |
+*Should be option, not default
-|-
-!colspan="4" bgcolor="#CCFFFF"|Structural updates
 |-valign="top"
-|Carbon cycle outputs in xCO2, xCH4 as a diagnostic
+|Dry deposition to F90 (readability)
-|Beata Bukosa (Wollongong)<br>Dylan Jones (U. Toronto)
+|Chris Holmes (FSU)
-|Science
+|Dry deposition
+|Not delivered
 |
 |}
---[[User:Melissa Payer|Melissa Sulprizio]] ([[User talk:Melissa Payer|talk]]) 16:38, 14 May 2019 (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"
-!width="500px"|Item
+!width="200px"|Feature
-!width="200px"|Author(s)
+!width="200px"|Contributor(s)
-!width="100px"|Type
+!width="100px"|Model scope
-!width="300px"|Status
+!width="420px"|Notes and References
 |-valign="top"
-|Diagnostic to archive XCO2, XCO, and XCH4
+|Replace ISORROPIA with [https://gmd.copernicus.org/preprints/gmd-2023-159/gmd-2023-159.pdf HTEPv1.0]
-|Dylan Jones (Toronto)
+|Seb Eastham (MIT)<br>Lizzie Lundgren (Harvard)
-|Science
+|Aerosol thermodynamics
 |
+*Will be git submodule
 |-valign="top"
-|Provide archived TCR-2 GEOS-Chem OH fields for carbon simulations
+|PPN+hv, PPN+OH
-|Kazu Miyazaki (JPL)
+|Robert Ryan (UCL)
-|Science
+|Chemistry
 |
 |-valign="top"
-|Evaluate the impact on the tropsophere of using the family approach for transport in the stratosphere
+|MBO
-|Christoph Keller (GMAO)
+|Michael Vermeuel (UMN)
-|Science
+|Chemistry
 |
 |-valign="top"
-|Examine differences in the lightning NOx schemes in GEOS-Chem and GMI
+|Initial conditions for CH4 correcting background and stratospheric biases
-|Christoph Keller (GMAO), Lee Murray (Rochester)
+|Todd Mooring (Harvard)
-|Science
+|Methane simulation
 |
 |-valign="top"
-|Small alkyl nitrate chemistry
+|Migrating simple SOA formation from carbon_mod.F90 into the KPP "full-chemistry" mechanism
-|Jenny Fisher (Wollongong)
+|Bob Yantosca (Harvard)
-|Science
+|Aerosols<br>Structural
 |
+*Ongoing
 |-valign="top"
-|Isoprene chemistry
+|Re-binning of off-line sea salt and dust for use in TOMAS
-|Kelvin Bates (Harvard)
+|Betty Croft (Dalhousie)
-|Science
+|Aerosols
 |
 |-valign="top"
-|Aerosol nitrate photolysis (option)
+|Adaption of TOMAS' in-cloud aqueous sulfate production for KPP versus sulfate_mod.F90
-|Tomas Sherwen (York)<br>Prasad Kasibhatla (Duke)
+|Betty Croft (Dalhousie)
-|Science
+|Aerosols
 |
 |-valign="top"
-|HMS chemistry
+|ML algorithms for bulk aerosols
-|Jonathan Moch (Harvard)
+|Arshad Nair (SUNY Albany)<br>Fangqun Yu (SUNY Albany)
-|Science
+|Aerosols
 |
 |-valign="top"
-|Heterogeneous sulfate production
+|PM2.5 and PM10 calculations: aerodynamic vs geometric diameters
-|Lin Zhang (PKU)<br>Becky Alexander (UW)<br>Yuxuan Wang (U. Houston)
+|Shixian Zhai (Harvard)
-|Science
+|Aerosols
 |
 |-valign="top"
-|Eliminate 27% scaling on semivolatile fire emissions for complex scheme
+|Updates to Hodzic SOA scheme
-|Sidhant Pai (MIT)
+|Jared Brewer (Harvard)
-|Science
+|Aerosols
 |
 |-valign="top"
-|BrC aging
+|Automated reduction in isoprene scheme
-|Xuan Wang (Harvard)<br>Melanie Hammer(Dalhousie)
+|Dan Westervelt (Lamont-Doherty)
-|Science
+|Aerosols
 |
 |-valign="top"
-|APM update and integration with most recent GC version
+|Brown carbon chemsitry
-|Gan Luo (SUNY-Albany)<br>Fangqun Yu (SUNY-Albany)
+|Jingqiu Mao (U. Alaska)<br>Xuan Wang (CUHK)
-|Science
+|Aerosols
 |
 |-valign="top"
-|Retire carbon-based units for VOCs
+|GEOS resolution and subgrid convection - Part 2 RAS parameter tuning
-|GCST
+|Tailong He (Toronto)<br>Dylan Jones (Toronto)<br>Andrea Molod (NASA GMAO)
-|Science
+|Convection
 |
 |-valign="top"
-|Ozone deposition to the ocean
+|High-res top-down TROPOMI-derived seasonal mean NOx emissions for China
-|Ryan Pound (York)<br>Mat Evans (York)
+|Jintai Lin (PKU)
-|Science
+|Emissions
 |
+*Horizontal resolution: 5km, temporal resolution: JJA mean
+*monthly data will be available at a later stage; please contact us
 |-valign="top"
-|Latitudinally and monthly resolved fixed surface concentrations for GGs back to 1850
+|Updated biomass burning emission factors and species
-|Tomás Sherwen (York)<br>Lee Murray (Rochester)
+|Tess Carter (MIT)
-|Science
+|Emissions
 |
 |-valign="top"
-|Update of US emissions to NEI16
+|Updated offline sea salt emissions
-|Barron Henderson (EPA)
+|Hongjian Weng (PKU) <br> Jintai Lin (PKU)
-|Science
+|Emissions
 |
 |-valign="top"
-|Updated surface ocean dissolved Hg0 from MITgcm
+|[https://gmd.copernicus.org/articles/13/2569/2020/ Canopy Physics Model]
-|Yanxu Zhang (Nanjing)
+|Sam Silva (MIT)
-|Science
+|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"
-|HEMCO improvements
+|Assessment/improvement of OpenMP performance in GC-Classic and HEMCO standalone
-|Christoph Keller (NASA)<br>GCST
+|Bob Yantosca (Harvard)
-|Structural
+|Model performance
 |
+*Ongoing (will be done as time allows)
 |-valign="top"
-|Cmake in GEOS-Chem
+|Retire all BPCH diagnostics
-|Liam Bindle (Dalhousie)
+|Bob Yantosca (Harvard)
-|Structural
+|Diagnostics
 |
+*Can be done following the [https://github.com/geoschem/geos-chem/pull/1569 TOMAS update for GCHP]
 |-valign="top"
-|One-Way Coupling w/ GISS ModelE3
+|Assess memory leak in GCHP
-|Lee T. Murray (Rochester); Eric Leibensperger (SUNY Plattsburgh)
+|Killian Murphy (York)
-|Structural
+|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].  Need to assess if any memory leaks still remain.
 |-valign="top"
-|Online Coupling w/ GEOS CCM
+|Hybrid MPI-OpenMP in GCHP
-|L. Lundgren (Harvard)<br>Lu Hu (U. MT)<br>Christoph Keller (GMAO)
+|Seb Eastham (MIT)<br>Killian Murphy (York)
-|Structural
+|Model performance
 |
 |-valign="top"
-|Shared Socioeconomic Pathways Emission Inventories
+|Improve run directory templating and creation with init_rd.sh and shared directories
-|Hong Liao (NUIST)
+|Jourdan He (WashU)
-|Science
+|Run directories
+|
+|-valign="top"
+|Table of CTM and online GCM properties: GCHP, GCC, GEOS-CTM, GC-Nested, online GEOS, GEOS-replay, etc
+|GCST?
+|Documentation
 |
 |}
---[[User:Melissa Payer|Melissa Sulprizio]] ([[User talk:Melissa Payer|talk]]) 16:38, 14 May 2019 (UTC)
+== Over the horizon (6-12 months) ==
-=== 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="500px"|Item
+!width="200px"|Feature
-!width="200px"|Author(s)
+!width="200px"|Contributor(s)
-!width="100px"|Type
+!width="100px"|Model scope
-!width="300px"|Status
+!width="420px"|Notes and References
 |-valign="top"
-|Update OCS simulation in the standard code
+|Snow / Icy Bromine
-|Kevin Bowman (JPL)
+|Becky Alexander (UW)<br>William Swanson (U. Alaska)<br>Shuting Zhai (UW)
-|Science
+|Chemistry
 |
 |-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
+|Monoterpene oxidation scheme
-|Susan Strahan (Goddard), Seb Eastham (MIT)
+|Jessica Haskins (MIT)
-|Science
+|Chemistry
 |
 |-valign="top"
-|Rainout and washout update
+|Fire related VOCs including furans
-|Gan Luo(SUNY-Albany)<br> Fangqun Yu (SUNY-Albany)
+|Lu Hu (UMT)<br>Lixu Jin (UMT)
-|Science
+|Chemistry
 |
 |-valign="top"
-|Rediagnosis of RAS convection in GEOS-Chem
+|Extension of UCX into the mesosphere
-|Tailong He (Toronto)<br>Dylan Jones (Toronto)<br>Andrea Molod (NASA/GMAO)
+|Seb Eastham (MIT)<br>Eric Fleming (NASA)
-|Science
+|Chemistry
 |
 |-valign="top"
-|New schedule for tracer transport benchmarks (FP change, scavenging change, or major release)
+|Methane flux ingestion
-|Andrea Molod (NASA/GMAO)
+|Eloise Marais (UCL)
-|Science
+|Chemistry
 |
 |-valign="top"
-|Methanol as part of standard chemical mechanism
+|Dust non-sphericity impacts on surface chem and optical properties
-|Dylan Millet (U Minnesota)<br>Katie Travis (NASA)
+|Inderjeet Singh (WashU)
-|Science
+|Aerosols
 |
 |-valign="top"
-|Updated cloud water pH
+|Size-resolved stratospheric aerosol
-|Viral Shah (Harvard)<br>Jonathan Moch (Harvard)
+|Seb Eastham (MIT)
-|Science
+|Aerosols
 |
 |-valign="top"
-|Aromatic gas-phase chemistry
+|Extend aerosol settling
-|Will Porter (Riverside)<br>Jintai Lin (Peking)<br>Peter Ivatt (York)
+|Eloise Marais (UCL)
-|Science
+|Aerosols
 |
 |-valign="top"
-|Halogen chemistry update
+|Stratospheric aerosol APM
-|Tomas Sherwen (York)<br>Xuan Wang (Harvard)<br>Shuting Zhai (UW)
+|Fangqun Yu (SUNY)
-|Science
+|Aerosols
 |
 |-valign="top"
-|Methylethylketone chemistry
+|Plume-in-grid model
-|Jared Brewer (CSU)
+|Hongwei Sun (Harvard)
-|Science
+|Chemistry
 |
 |-valign="top"
-|Add sulfate dependence to SOA yield from isoprene in simple SOA
+|Updated lightning NOx: Prescribe from ground and geostationary lightning flashes
-|Eloise Marais (Leicester)
+|Lee Murray (Rochester)
-|Science
+|Emissions
 |
 |-valign="top"
-|Trace metal simulation
+|Seb aircraft emissions beyond recent 2019 update
-|Junwei Xu (Dalhousie)
+|Seb Eastham (MIT)
-|Science
+|Emissions
 |
 |-valign="top"
-|Hg gas-phase photo-reduction
+|FRP-based fire emsisions for eastern US at 0.2	deg
-|Colin Thackray (Harvard)
+|Charlie Fite (FSU)
-|Science
+|Emissions
 |
 |-valign="top"
-|Move GEOS-Chem Classic run directory creation from Unit Tester to source code
+|Hg iodine chemistry
-|GCST
+|Yiming Fu<br>Yanxu Zhang (Nanjing U.)
-|Structural
+|Hg simulation
 |
 |-valign="top"
-|Dynamic diagnostic array size allocation based on settings in HISTORY.rc
+|Hg simulation in GCHP
-|GCST
+|Ari Feinberg (MIT)<br>Lyssa Freese (MIT)
-|Structural
+|Hg simulation
 |
 |-valign="top"
-|Allow for subsetting in HISTORY.rc
+|Update Hg ocean and soil boundary conditions for consistency with new chemistry
-|GCST
+|Yanxu Zhang (Nanjing U.)
-|Structural
+|Hg simulation
 |
 |-valign="top"
-|Removal of binary punch diagnostics
+|Dry deposition diagnostics by land cover
-|GCST
+|Holly Nowell (FSU)
-|Structural
+|Diagnostics
 |
 |-valign="top"
-|GCPy 1-year benchmark and continued development
+|Dry deposition process diagnostics
-|GCST
+|Holly Nowell (FSU)
-|Structural
+|Diagnostics
 |
 |-valign="top"
-|Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange
+|Isotope simulation for CO and CH4 in GCHP
-|Amos Tai (CUHK)
+|Lee Murray (Rochester)
-|Science
+|Carbon simulation
 |
 |-valign="top"
-|Canopy Physics Model
+|Updated bottom-up global CH4 oil, gas, and coal emissions (GFEI v3)
-|Sam Silva (MIT)
+|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"
-|Landcover/Fire Emissions Offline LPJlmfire
+|Improve load balancing in GCHP
-|Loretta Mickley (Harvard)
+|Seb Eastham (MIT)
-|Science
+|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
 |
 |}
---[[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"|Status
+!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)
+|Chemistry
 |
 |-valign="top"
-|Streamlining of specialty simulations through HEMCO and KPP
+|Explicit heterogeneous sulfate chemistry
-|GCST<br>Chris Holmes (FSU)<br>Colin Thackray for POPs (Harvard)<br>Peter Ivatt (York) for PAH
+|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"
-|Build KPP when you compile GC
+|Updating landcover products in GEOS-Chem
-|GCST
+|Chris Holmes (FSU)<br>Jeff Geddes (BU)
-|Structural
+|Input data
 |
 |-valign="top"
-|Restructure source code folders
+|Dry deposition physical improvement
-|GCST
+|Chris Holmes (FSU)
-|Structural
+|Dry deposition
 |
 |-valign="top"
-|Archived CMIP6 Met Products for GEOS-Chem Input
+|TOMAS WRF-GC in regional Thailand simulation
-|Lee Murray (Rochester)
+|Win Trivitayanurak (Chulalongkorn U)
-|Science
+|Aerosols
 |
 |}
---[[User:Melissa Payer|Melissa Sulprizio]] ([[User talk:Melissa Payer|talk]]) 16:38, 14 May 2019 (UTC)
-----------------
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