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: @@
-On this page we list the current priorities for GEOS-Chem development.  This list was compiled by the user Working Groups at the last [http://acmg.seas.harvard.edu/geos/meetings/2017/index.html International GEOS-Chem Meeting (IGC8)] in May 2017 and will be continuously updated based on code readiness and input from the Working Groups and the Steering Committee.
+On this page we list the current priorities for GEOS-Chem development. This list is continuously updated based on code readiness and input from the [https://geos-chem.seas.harvard.edu/geos-working-groups Working Groups] and the [https://geos-chem.seas.harvard.edu/geos-steering-cmte Steering Committee]. For history of past releases see the [[GEOS-Chem_versions|GEOS-Chem Versions wiki page]].
-We also invite you to view our [https://trello.com/board/geos-chem-support-team/4fe36668fc79a1d3540ba80b GEOS-Chem Support Team project management board on Trello.com], which shows the current GCST workflow.
+== Merged and awaiting release ==
-== List of priorities from IGC8 ==
+See the links below for items merged and awaiting release.
-The items listed below are in different stages of readiness and will be included in future versions of the model.
-=== Slated for v11-03 ===
-The following updates are now slated for inclusion into [[GEOS-Chem v11-03]]:
 {| border=1 cellspacing=0 cellpadding=5
 |-bgcolor="#CCCCCC"
-!width="400px"|Feature
+!width="300px"|Mergeable at any time
-!width="250px"|Submitted by
+!width="200px"|Version in development
-!width="100px"|Type
-!width="300px"|Status
-|-
-!colspan="4" bgcolor="#CCFFFF"|Transport updates
 |-valign="top"
-|[[Transport_Working_Group#Common_set_of_tracers_in_GEOS-Chem_and_GEOS|Common set of tracers in GEOS-Chem and GEOS]]
+|align="center"|'''[[GEOS-Chem no-diff-to-benchmark]]'''
-|Transport WG<br>[[GCST]]
+|align="center"|'''[[GEOS-Chem 14.4.0]]'''
-|Benchmarking
-|
-*Ready to be added
-|-
+|}
-!colspan="4" bgcolor="#CCFFFF"|Chemistry updates
-|-valign="top"
+== Feature integration in progress ==
-|[[Stratospheric_chemistry#Treatment_of_the_mesosphere_in_UCX_simulations|Extend UCX into the mesosphere]]
-|Sebastian Eastham (MIT)
-|Science
-|
-*Ready to be added
-|-valign="top"
+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.
-|[[Chemistry_Issues#Script_for_evaluating_carbon_balance|Script for checking N, C, etc. balance in chemistry mechanism]]
-|Barron Henderson (EPA)
-|Software
-|
-|-
+{| border=1 cellspacing=0 cellpadding=5
-!colspan="4" bgcolor="#CCFFFF"|Emissions updates
+|-bgcolor="#CCCCCC"
+!width="200px"|Feature
+!width="200px"|Contributor(s)
+!width="100px"|Model scope
+!width="100px"|Ease of implementation
+!width="300px"|Notes and References
 |-valign="top"
-|[[Volcanic_SO2_emissions_from_Aerocom#OMI-based_volcanic_emissions|OMI-based volcanic emissions 2005-2012]]
+|[https://doi.org/10.7910/DVN/23BRII Global continental chlorine (pCl and HCl) emissions]
-|Cui Ge (U. Iowa)<br>Jun Wang (U. Iowa)
+|Bingqing Zhang (Georgia Tech)<br>Pengfei Liu (Georgia Tech)
-|Science
+|Emissions
+|Simple
 |
-*Need to implement a fix to handle missing data for 2012/09 thru 2012/12.  We can do one of 2 things:
-**Create files with zero emissions for 2012/09 thru 2012/12.
-***But because data for 2013- is copied from 2012, this will mean that the last 3 months of the year have no volcano emissions.
-**Link to the existing volcano emsisions files for September thru December
 |-valign="top"
-|[[Mineral_dust_aerosols#Anthropogenic_PM2.5_dust_source_in_GEOS-Chem|Anthropogenic PM2.5 dust source]]
+|[https://github.com/geoschem/geos-chem/issues/1747 Parameterization of SNA and OM dry size]
-|Sajeev Philip (Dalhousie)
+|Haihui Zhu (WashU)
-|Science
+|Aerosols
+|Medium
 |
-*Need to fix an "under-the-hood" issue in HEMCO that causes 1200 Tg of dust to be emitted by this update.
+*[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"
-|[[FINNv1_biomass_burning_emissions|FINN biomass burning emissions for 2014-2016]]
+|[https://github.com/geoschem/geos-chem/issues/1288 New soil NOx parameterization]
-|Barron Henderson (US EPA)
+|Yi Wang (U. Iowa)<br>Jun Wang (U. Iowa)
-|Science
+|Emissions
+|Medium
 |
-*Pending receipt of corrected data files
+*[https://github.com/geoschem/geos-chem/issues/1288 geos-chem issue #1288]
+*Incorporates new met field TSOIL1
 |-valign="top"
-|EPA NEI2011 Version EK
+|Remove differences in GC-Classic due to HEMCO reading REAL8 restart as REAL4
-|Zitely Tzompa-Sosa (CSU)<br>Emily Fischer (CSU)
+|Lizzie Lundgren (Harvard)
-|Science
+|GC-Classic
+|Medium
 |
-*Need extra time for validation
+*[https://github.com/geoschem/HEMCO/issues/18 hemco issue #18]
 |-valign="top"
-|[[Sulfate_aerosols#Ocean_ammonia_emission_inventory|Ocean ammonia emission inventory]]
+|Capture all trop and PBL height changes in budget diagnostics
-|Fabien Paulot (NOAA/GFDL)
+|Chris Holmes (FSU)<br>Lizzie Lundgren (Harvard)
-|Science
+|Diagnostics
+|Medium
 |
-*Data files delivered to GCST (Jan 2016)
+*[https://github.com/geoschem/geos-chem/pull/2103 geos-chem PR 2103]
-*Needs to be implemented via HEMCO
-|-valign="top"
+|}
-|[http://www.atmos-chem-phys.net/16/2819/2016/ A snow NOx source from deep snowpack]
-|Maria Zatko (UW)<br>Becky Alexander (UW)
-|Science
-|
-*Delivered to GCST (Nov 2017)
-*Needs to be added as a HEMCO extension; converting from v9-01-01 code may take significant effort.
-|-valign="top"
+== Prioritized and in the queue ==
-|Radon emission update
-|Bo Zhang (NIA/NASA Langley)
-|Science
-|
-*Implementation pending paper submission
-|-valign="top"
+Features listed in this table are prioritized for integration into GEOS-Chem in the near future.
-|GFAS biomass burning emissions
-|Mat Evans (York)
-|Science
-|
-|-
+{| border=1 cellspacing=0 cellpadding=5
-!colspan="4" bgcolor="#CCFFFF"|Deposition/surface updates
+|-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"
-|Wet scavenging in mixed-phase clouds
+|ALK4 & R4N2 chemistry
-|Bo Zhang (NIA/NASA Langley)
+|Jared Brewer (UMN)
-|Science
+|Chemistry
+|TBD
+|Not delivered
 |
-*Delivered to GCST (Nov 2017)
+*[https://github.com/geoschem/geos-chem/issues/1625 geos-chem issue #1625]
-*Only applied/tested for Pb
+*[https://acmg.seas.harvard.edu/files/acmg/files/brewer2022.pdf Brewer, J.F. et al., J. Geophys. Res., 2023.]
-*Implementation pending paper submission
-|-
-!colspan="4" bgcolor="#CCFFFF"|Aerosol updates
 |-valign="top"
-|Sea salt aerosol alkalinity
+|Mass flux regridding fix in MAPL
-|Qianjie Chen (UW)<br>Becky Alexander (UW)<br>Xuan Wang (Harvard)
+|Tom Clune (GMAO)<br>Seb Eastham (MIT)
-|Science
+|GCHP input regridding
+|Medium
+|
 |
-*UW version delivered to GCST (Nov 2017)
+*[https://github.com/geoschem/GCHP/issues/377 GCHP Issue #377]
+*'''Currently on hold, as the submitted update results in zero diff'''
 |-valign="top"
-|VBS SOA option
+|New version of CEDS at 0.1 deg
-|Rokjin Park (SNU)
+|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.'''
-|-
+|}
-!colspan="4" bgcolor="#CCFFFF"|Specialty simulation updates
-|-valign="top"
+== Ready to go in ==
-|Oxidant fields from v10 for 2006-2012
-*3D chemical source for CO2, CO
-*OH for tagged CO & CH4
-|Dylan Jones (UofT)
-|Science
-|
-*Will make data files available on ftp site
-|-valign="top"
+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.
-|Africa nested-grid for GEOS-FP and MERRA-2
-|Eloise Marais (U. Birmingham)
+{| border=1 cellspacing=0 cellpadding=5
-|Science
+|-bgcolor="#CCCCCC"
-|
+!width="200px"|Feature
-*Delivered to GCST (Dec 2017)
+!width="200px"|Contributor(s)
+!width="100px"|Model scope
+!width="100px"|Delivery status
+!width="300px"|Notes and References
 |-valign="top"
-|West Africa nested-grid for GEOS-FP
+|KORUS-AQ emissions for East Asia (as an option)
-|Mat Evans (York)<br>Eleanor Morris (York)
+|Katie Travis (NASA)
-|Science
+|Emissions
+|Simple
 |
 |-valign="top"
-|[[Sulfate_aerosols#Tagged_sulfate_and_nitrate_simulation|Tagged sulfate simulation]]
+|Geologic emission of ethane and propane
-|Becky Alexander (UW)
+|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"
-|Arsenic simulation
+|[https://github.com/geoschem/geos-chem/pull/629 Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange]
-|Shiliang Wu (MT)
+|Joey Lam(CUHK)<br>Amos Tai (CUHK)
 |Science
+|Delivered<br>Feb 2021
 |
+*[https://github.com/geoschem/geos-chem/pull/629 geos-chem PR #629]
-|-
-!colspan="4" bgcolor="#CCFFFF"|Structural updates
 |-valign="top"
-|Updated flux diagnostics
+|LPJ land cover (global), fire (W US), dust emissions (SW N America), 1700-2100
-|Chris Holmes (Florida State)<br>[[GCST]]
+|Yang Li (Baylor University)<br>Loretta Mickley (Harvard)
-|Structural/<br>Benchmarking
+|Emissions
+|Delivered<br>Jul 2021
 |
-*Work has not yet begun
+*Data involves many files- need to think about temporal frequency
 |-valign="top"
-|Additional modifications for [[FlexChem]], including:
+|[https://github.com/geoschem/geos-chem/issues/1867 Online H2 chemistry]
-*Rebuild the pre-built chemistry mechanisms (Standard, Tropchem, SOA-SVPOA) with [http://www.paratools.com/Kppa Kppa]
+|Maria Paula Pérez-Peña (UNSW)<br>Jenny Fisher (UOW)<br>Dylan Millet (UMN)
-*Add capability for custom chemistry mechanism by building KPP on-the-fly in GEOS-Chem
+|Chemistry
-|[[GCST]]
+|Delivered<br>June 2023
-|Structural
 |
-*Work has not yet begun
+*[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"
-|Benchmark of stratospheric simulation
+|DMS Chemistry
-|Dylan Jones (U. Toronto)
+|Linia Tashmim (UC Riverside)<br>William Porter (UC Riverside)
-|Benchmarking
+|Chemistry
+|Not delivered
 |
-*1-yr benchmarks for GEOS-Chem v11-01d and later include comparisons with OSIRIS O3
-*Waiting on OSIRIS NO2 data
-*Waiting on comparisons with ACE-FTS data
 |-valign="top"
-|Add total column O3 to benchmarks
+|Organic acids (RCOOH)
-|Chris Holmes (FSU)<br>[[GCST]]
+|Katie Travis (NASA)
-|Benchmarking
+|Chemistry
+|Not delivered
 |
-*Deferred until v11-03
-*Also note: GCST plans on migrating benchmark plotting code from IDL to Python in v11-03
 |-valign="top"
-|[[GEOS-Chem_species_units|Uniformity of units]]
+|Improve carbon & nitrogen conservation in reactions
-|[[GCST]]
+|Kelvin Bates (Harvard)
-|Structural
+|Chemistry
+|Not delivered
 |
-*Phase 2 (unit uniformity throughout chemistry) to be implemented after Flexchem
-*Phase 3 (unit uniformity in some specialty simulations) will be implemented in pieces with input from 3rd party developers
-*Phase 4 (removal of area and area-dependent State_Met variables) will be ongoing
 |-valign="top"
-|ObsPack diagnostic as netCDF replacement for planeflight_mod.F
+|Blowing snow sea salt in TOMAS
-|Andy Jacobson (NOAA/ESRL)
+|Betty Croft (Dalhousie)
-|Structural
+|Aerosols
+|Not delivered
 |
-*Delivered to GCST (May 2017)
 |-valign="top"
-|[[GEOS-Chem_Output_Files#NetCDF_File_Format|NetCDF Output Phase 3b: Updates to eliminate differences between single and multi-segmented GEOS-Chem runs]]
+|[https://pubs.rsc.org/en/content/articlelanding/2022/EM/D2EM00019A Australian anthropogenic Hg emissions]
-|[[GCST]]<br>Christoph Keller
+|Stephen MacFarlane (UOW)<br>Jenny Fisher (UOW)<br> Hannah Horowitz (U. Illinois)<br>Viral Shah (Harvard)
-|Bug fix<br>Structural
+|Hg simulation
+|Not delivered
 |
 |-valign="top"
-|Further structural updates to facilitate interfacing GEOS-Chem with external models (e.g. CAM, CESM)
+|WRF-GC Hg simulation
-|[[GCST]]
+|Xiaotian Xu (Nanjing U.)<br>Yanxu Zhang (Nanjing U.)
-|Structural
+|Hg simulation<br>WRF-GC
+|Not delivered
 |
-*Ongoing
-|-
-!colspan="4" bgcolor="#CCFFFF"|Expansion of model capabilities
 |-valign="top"
-|[[FlexGrid|FlexGrid: Use HEMCO to read met fields and enable nested simulations over any custom domains]]
+|Updated HgII gas-partical partitioning
-|Jiawei Zhuang (Harvard)<br>Jintai Lin (PKU)
+|Kaiyun Liu (Tsinghua U.)<br>Qingru Wu (Tsinghua U.)<br>Shuxiao Wang (Tsinghua U.)
-|Structural
+|Hg simulation
+|Not delivered
 |
-*Delivered to GCST (Oct 2016)
+*Should be option, not default
-*Waiting for a stable v11-02 release before proceeding
 |-valign="top"
-|[[ISORROPIA_II#Investigating_persistent_noise_observed_in_ISORROPIA_output|Update ISORROPIA from v2.0 to v2.2, in order to remove persistent noise in output]]
+|Dry deposition to F90 (readability)
-|Seb Eastham (Harvard)
+|Chris Holmes (FSU)
-|Science
+|Dry deposition
+|Not delivered
 |
-*Delivered to GCST (May 2017)
-|-valign="top"
-|Archival of roughness length for temperature z0T
-|[[GCST]]
-|Met processing
-|
-*Work has not yet begun
 |}
---[[User:Bmy|Bob Yantosca]] ([[User talk:Bmy|talk]]) 19:53, 23 May 2018 (UTC)
+== Almost there (< 6 months) ==
-=== Not prioritized for v11-03 ===
+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="400px"|Item
+!width="200px"|Feature
-!width="250px"|Author(s)
+!width="200px"|Contributor(s)
-!width="100px"|Type
+!width="100px"|Model scope
-!width="300px"|Status
+!width="420px"|Notes and References
 |-valign="top"
-|Sea salt emission from sea ice
+|PPN+hv, PPN+OH
-|Jiayue Huang (UW)
+|Robert Ryan (UCL)
-|Science
+|Chemistry
 |
 |-valign="top"
-|Re-evaluation of SST dependence of sea salt emissions
+|MBO
-|Jiayue Huang (UW)
+|Michael Vermeuel (UMN)
-|Science
+|Chemistry
 |
 |-valign="top"
-|[[MEGAN_v2.1_plus_Guenther_2012_biogenic_emissions#Discussion_of_LAI_Data_Sources|Update MODIS LAI fields through 2015]]
+|Initial conditions for CH4 correcting background and stratospheric biases
-|Barron Henderson (UF)
+|Todd Mooring (Harvard)
-|Science
+|Methane simulation
 |
 |-valign="top"
-|Lightning NOx chemistry parameterization
+|Migrating simple SOA formation from carbon_mod.F90 into the KPP "full-chemistry" mechanism
-|Alicia Gressent (MIT)
+|Bob Yantosca (Harvard)
-|Science
+|Aerosols<br>Structural
 |
+*Ongoing
-|}
-=== Almost there (< 6 months) ===
-{| border=1 cellspacing=0 cellpadding=5
-|- bgcolor="#cccccc"
-!width="400px"|Item
-!width="250px"|Author(s)
-!width="100px"|Type
-!width="300px"|Status
-|-
-!colspan="4" bgcolor="#CCFFFF"|Chemistry updates
 |-valign="top"
-|N2O5 hydrolysis updates
+|Re-binning of off-line sea salt and dust for use in TOMAS
-|Viral Shah (UW)
+|Betty Croft (Dalhousie)
-|Science
+|Aerosols
 |
-*Defer until paper is submitted (Summer 2018)
-*Code from v10 (SMVGEAR) needs to be translated to v11 (FlexChem)
 |-valign="top"
-|H2 chemistry in UCX
+|Adaption of TOMAS' in-cloud aqueous sulfate production for KPP versus sulfate_mod.F90
-|Chris Holmes (FSU)
+|Betty Croft (Dalhousie)
-|Science
+|Aerosols
 |
-*Defer until paper is submitted
-*Estimate Fall 2018 or sooner
 |-valign="top"
-|Updated chlorine chemistry
+|ML algorithms for bulk aerosols
-|Xuan Wang (Harvard)
+|Arshad Nair (SUNY Albany)<br>Fangqun Yu (SUNY Albany)
-|Science
+|Aerosols
 |
-*Defer until the paper is submitted
 |-valign="top"
-|[[Chemistry_Issues#Correcting_ozone_from_the_height_of_the_lowest_model_level_to_the_surface|ND49 timeseries diagnostic for correcting ozone from the height of the lowest model level to 10m]]
+|PM2.5 and PM10 calculations: aerodynamic vs geometric diameters
-|Katie Travis (MIT)
+|Shixian Zhai (Harvard)
-|Structural
+|Aerosols
 |
-*Defer until the paper is submitted
 |-valign="top"
-|OH + NO2 rate update
+|Updates to Hodzic SOA scheme
-|Barron Henderson (EPA)
+|Jared Brewer (Harvard)
-|Science
+|Aerosols
 |
 |-valign="top"
-|Aromatics and dicarbonyl chemistry
+|Automated reduction in isoprene scheme
-|William Porter (MIT)<br>Tzung-May Fu (PKU)
+|Dan Westervelt (Lamont-Doherty)
-|Science
+|Aerosols
 |
 |-valign="top"
-|Document chemical mechanism in KPP file
+|Brown carbon chemsitry
-|Mat Evans (York)
+|Jingqiu Mao (U. Alaska)<br>Xuan Wang (CUHK)
-|Structural
+|Aerosols
 |
 |-valign="top"
-|Diurnal variability for NH3
+|GEOS resolution and subgrid convection - Part 2 RAS parameter tuning
-|Henze group
+|Tailong He (Toronto)<br>Dylan Jones (Toronto)<br>Andrea Molod (NASA GMAO)
-|Science
+|Convection
 |
 |-valign="top"
-|Uptake of HNO3 onto coarse-mode sea salt
+|High-res top-down TROPOMI-derived seasonal mean NOx emissions for China
-|Prasad Kasibhatla (Duke)
+|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"
-|Photolysis of NITs
+|Updated biomass burning emission factors and species
-|Prasad Kasibhatla (Duke)
+|Tess Carter (MIT)
-|Science
+|Emissions
 |
-|-
-!colspan="4" bgcolor="#CCFFFF"|Emissions updates
 |-valign="top"
-|Grid-independent emissions, including:
+|Updated offline sea salt emissions
-*Lightning NOx emissions (3-hourly)
+|Hongjian Weng (PKU) <br> Jintai Lin (PKU)
-*Dust emissions (hourly)
+|Emissions
-*Biogenic and sea salt emissions (hourly)
-|Randall Martin (Dalhousie)<br>Lee Murray (Rochester)<br>David Ridley (MIT)<br>Jintai Lin (PKU)
-|Science
 |
-*Emissions are mostly ready but have not been transferred to GCST yet
-*These emissions will be used by GCHP v11-02
 |-valign="top"
-|EPA-derived BC/OA emissions over US (1990-2012)
+|[https://gmd.copernicus.org/articles/13/2569/2020/ Canopy Physics Model]
-|David Ridley (MIT)<br>Chi Li (Dalhousie)
+|Sam Silva (MIT)
-|Science
+|Emissions &<br>Science
 |
-*Emissions are available but need to be formatted properly.
+*DOI: [https://zenodo.org/record/3614062#.XzvrH5NKjOR 10.5281/zenodo.3614062]
-*Could be ready by Fall-Winter 2018, depending on D. Ridley's availability
+*Needs to be updated to a more recent GEOS-Chem version
 |-valign="top"
-|[[MASAGE_NH3_inventory|MASAGE inventory in HEMCO as default]]
+|Assessment/improvement of OpenMP performance in GC-Classic and HEMCO standalone
-|Fabien Paulot (NOAA/GFDL)<br>Amos Tai (CUHK)
+|Bob Yantosca (Harvard)
-|Science
+|Model performance
 |
-*MASAGE data is already available.
+*Ongoing (will be done as time allows)
-*GCST would need assistance from the user community to prepare HEMCO configuration files such that we do not double-count agricultural NH3 from MASAGE and other inventories.  This has been the main delay.
-*F. Paulot has left the GEOS-Chem community.
 |-valign="top"
-|[[MASAGE_NH3_inventory#Non-agricultural_NH3_for_use_with_MASAGE|Non-agricultural NH3 for use with MASAGE]]
+|Assess memory leak in GCHP
-|Amos Tai (CUHK)
+|Killian Murphy (York)
-|Science
+|Model performance
 |
-*Waiting on data
+*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"
-|Injection height for fire emissions
+|Hybrid MPI-OpenMP in GCHP
-|Juliet Zhu (CSU)<br>Emily Fischer (CSU)
+|Seb Eastham (MIT)<br>Killian Murphy (York)
-|Science
+|Model performance
 |
-|-
-!colspan="4" bgcolor="#CCFFFF"|Surface fluxes and land usage updates
 |-valign="top"
-|Carbon bottom up fluxes: anthro, ocean, land
+|Improve pressure handling in GCHP advection
-|Kevin Bowman (JPL)
+|Seb Eastham (MIT)<br>Yuanjian Zhang (WashU)
-|Science
+|GCHP
 |
 |-valign="top"
-|Land cover module: Harmonized biosphere-atmosphere exchange and implementing CLM or manual land cover change experiments
+|Use ExtData2G as default GCHP input module
-|Jeff Geddes (BU)
+|Lizzie Lundgren (Harvard)
-|Science
+|GCHP
-|
+|Will replace ExtData.rc with yaml file
-|-valign="top"
+|}
-|Online O3-LAI coupling in GEOS-Chem
-|Amos Tai (CUHK)
-|Science
-|
-|-
+== Over the horizon (6-12 months) ==
-!colspan="4" bgcolor="#CCFFFF"|Transport updates
-|-valign="top"
+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.
-|[https://www.geosci-model-dev-discuss.net/gmd-2017-125/ GEOS resolution & subgrid convection]
-|Karen Yu (Harvard)
-|Science
-|
-*To be installed by Bob Yantosca (Harvard), tested by Tailong He (Toronto)
-*Work to begin after v11-02 release
-|-
+{| border=1 cellspacing=0 cellpadding=5
-!colspan="4" bgcolor="#CCFFFF"|Deposition updates
+|- bgcolor="#cccccc"
+!width="200px"|Feature
+!width="200px"|Contributor(s)
+!width="100px"|Model scope
+!width="420px"|Notes and References
 |-valign="top"
-|Wet deposition parameterizations: pH dependency, Henry's law coefficients, etc.
+|Snow / Icy Bromine
-|Sarah Safieddine (MIT)<br>GCST
+|Becky Alexander (UW)<br>William Swanson (U. Alaska)<br>Shuting Zhai (UW)
-|Science
+|Chemistry
 |
-|-
-!colspan="4" bgcolor="#CCFFFF"|Specialty simulation updates
 |-valign="top"
-|AMAP/UNEP 2035 for Hg simulation
+|Monoterpene oxidation scheme
-|Helene Angot (MIT)
+|Jessica Haskins (MIT)
-|Science
+|Chemistry
 |
-*Data is available, but has not been transferred to GCST yet
 |-valign="top"
-|[[POPs simulation#PCB simulation|PCB simulation]]
+|Fire related VOCs including furans
-|Colin Thackray (Harvard)<br>Carey Friedman (formerly MIT)<br>Helen Amos (formerly Harvard)
+|Lu Hu (UMT)<br>Lixu Jin (UMT)
-|Science
+|Chemistry
 |
 |-valign="top"
-|New EDGAR sectoral inventory for Hg (1970-2012)
+|Extension of UCX into the mesosphere
-|Amanda Giang (MIT)
+|Seb Eastham (MIT)<br>Eric Fleming (NASA)
-|Science
+|Chemistry
 |
 |-valign="top"
-|Archive GISS met fields from RCP scenarios for community
+|Methane flux ingestion
-|Lee Murray (Rochester)
+|Eloise Marais (UCL)
-|Science
+|Chemistry
 |
-|-
-!colspan="4" bgcolor="#CCFFFF"|Structural updates
 |-valign="top"
-|Clean up SOA diagnostics
+|Dust non-sphericity impacts on surface chem and optical properties
-|GCST
+|Inderjeet Singh (WashU)
-|Structural
+|Aerosols
 |
-*GCST has implemented many existing SOA diagnostics in netCDF
-*GCST would need help from the community to streamline these diagnostics
 |-valign="top"
-|Calculation consistency throughout code: surface area, HGF (via species database)
+|Size-resolved stratospheric aerosol
-|GCST
+|Seb Eastham (MIT)
-|Structural
+|Aerosols
 |
 |-valign="top"
-|Harmonizing Henry's Law coefficients across wet and dry deposition
+|Extend aerosol settling
-|[[GCST]]
+|Eloise Marais (UCL)
-|Science
+|Aerosols
 |
-*Work not started yet. Will need input from the community.
-|-
-!colspan="4" bgcolor="#CCFFFF"|Expansion of model capabilities
 |-valign="top"
-|CESM-GC offline coupling in standard model + benchmark
+|Stratospheric aerosol APM
-|Rokjin Park (SNU)<br>Daniel Rothenberg (MIT)
+|Fangqun Yu (SUNY)
-|Science
+|Aerosols
 |
-*NOTE: D. Rothenberg is no longer working on GEOS-Chem
-|}
---[[User:Bmy|Bob Yantosca]] ([[User talk:Bmy|talk]]) 19:16, 23 May 2018 (UTC)
-=== Over the horizon (6-12 months) ===
-{| border=1 cellspacing=0 cellpadding=5
-|- bgcolor="#cccccc"
-!width="400px"|Item
-!width="250px"|Author(s)
-!width="100px"|Type
-!width="300px"|Status
 |-valign="top"
-|MEIC emissions over China (2000-2015)
+|Plume-in-grid model
-|Lu Shen (Harvard)<br>Melissa Sulprizio (Harvard)
+|Hongwei Sun (Harvard)
-|Science
+|Chemistry
 |
-*Implementation delayed until MEIC paper is published
 |-valign="top"
-|GISS-GC (ICECAP/GCAP2) in standard model + benchmark
+|Updated lightning NOx: Prescribe from ground and geostationary lightning flashes
-|Lee Murray (Rochester)<br>Eric Leibensperger (SUNY Plattsburgh)
+|Lee Murray (Rochester)
-|Science
+|Emissions
-|Lee Murray replied:
+|
-*"I would say 6-12 months to be safe, but the goal is to have it done by the end of summer 2018.  There will actually be very minimal updates to GEOS-Chem; most of the updates are to modify the GISS model to output MERRA2-like data, to facilitate integration with GCHP and future updates to the CTM."
 |-valign="top"
-|GISS-GC GCHP
+|Seb aircraft emissions beyond recent 2019 update
-|Lee Murray (Rochester)<br>Pengfei Liu (Harvard)<br>Yang Li (Harvard)
+|Seb Eastham (MIT)
-|Science
+|Emissions
 |
-*Rochester and Harvard groups are coordinating, to avoid duplication of effort
 |-valign="top"
-|CESM-GC GCHP
+|FRP-based fire emsisions for eastern US at 0.2	deg
-|Seb Eastham
+|Charlie Fite (FSU)
-|Science
+|Emissions
 |
-*Seb Eastham is now the lead developer.
-*Estimate late 2018 or early 2019; validation will take time
 |-valign="top"
-|Dynamic fire modeling/prediction
+|Hg iodine chemistry
-|Shiliang Wu (MNT)
+|Yiming Fu<br>Yanxu Zhang (Nanjing U.)
-|Science
+|Hg simulation
 |
 |-valign="top"
-|Interannually varying ocean model BCs for Hg from ocean model
+|Hg simulation in GCHP
-|Colin Thackray (Harvard)
+|Ari Feinberg (MIT)<br>Lyssa Freese (MIT)
-|Science
+|Hg simulation
 |
 |-valign="top"
-|PAH & PFCA simulations
+|Update Hg ocean and soil boundary conditions for consistency with new chemistry
-|Peter Ivatt (York)<br>Mat Evans (York)<br>Noelle Selin (MIT)<br>Colin Thackray (Harvard)
+|Yanxu Zhang (Nanjing U.)
-|Science
+|Hg simulation
 |
 |-valign="top"
-|CH4 in full chemistry simulation
+|Dry deposition diagnostics by land cover
-|Seb Eastham (Harvard)
+|Holly Nowell (FSU)
-|Science
+|Diagnostics
 |
 |-valign="top"
-|Standard future land use maps (PFT, LAI) for RCP/CMIP6 simulations
+|Dry deposition process diagnostics
-|Colette Heald (MIT)<br>Loretta Mickley (Harvard)
+|Holly Nowell (FSU)
-|Science
+|Diagnostics
 |
 |-valign="top"
-|Archive GISS met fields from CMIP6 scenarios for community
+|Isotope simulation for CO and CH4 in GCHP
 |Lee Murray (Rochester)
-|Science
+|Carbon simulation
 |
 |-valign="top"
-|Updates to cold-temperature deposition
+|Updated bottom-up global CH4 oil, gas, and coal emissions (GFEI v3)
-|Lyatt Jaegle (UW)
+|Melissa Sulprizio (Harvard)<br>Tia Scarpelli (U. Edinburgh)<br>Zichong Chen (Harvard)
-|Science
+|Emissions<br>CH4 simulation
 |
 |-valign="top"
-|Simple parameterization for CO2-O3 dependence of stomatal resistance
+|Modularization of aerosols code for interface with GOCART in GEOS
-|Amos Tai (CUHK)
+|Christoph Keller (GMAO)
-|Science
+|Structural
 |
 |-valign="top"
-|NH3 emissions over China
+|Improve load balancing in GCHP
-|Lin Zhang (PKU)
+|Seb Eastham (MIT)
-|Science
+|Model performance
 |
 |-valign="top"
-|Using GEOS-Chem within GEOS-5
+|Testing the use of monthly mean MERRA-2 CWC with Pb-210 aerosol tracer
-|Loretta Mickley (Harvard)
+|Bo Zhang (NIA)<br>Hongyu Liu (NIA / NASA Langley)
-|Science
+|Transport
 |
 |-valign="top"
-|Carbon cycle outputs in xCO2, xCH4 as a diagnostic
+|Testing the use of a new scavenging parameterization developed by Luo and Yu for cold cloud with Pb-210 aerosol tracer
-|Beata Bukosa (Wollongong)<br>Dylan Jones (UofT)
+|Gan Luo (SUNY Albany)<br>Fangqun Yu (SUNY-Albany)
-|Science
+|Transport
 |
 |-valign="top"
-|Seasonal EMEP emissions back to 1980
+|Evaluate vertical mixing in GEOS-Chem with model-model and model-observation comparisons
-|Mat Evans (York)
+|Seb Eastham (MIT)<br>Clara Orbe (NASA GISS)<br>Andrew Schuh (CSU)
-|Science
+|Transport
 |
 |-valign="top"
-|Updates to NO2 dry deposition
+|MAPL version 3
-|Brian Boys (Dalhousie)
+|Lizzie Lundgren (Harvard)
-|Science
+|GCHP
-|
+|Will include History wildcard handling in GCHP
-|-valign="top"
-|APM update and integration with most recent GEOS-Chem version
-|Gan Luo (SUNY Albany)
-|Structural
-|
 |-valign="top"
-|Cosmogenic tracer production
+|Migrate benchmark meteorology from MERRA2 to GEOS-IT
-|Lee Murray (Rochester)
+|GCST
-|Science
+|Benchmarking
 |
-|-valign="top"
+|}
-|Explore resolution-consistent dust emissions
-*Make high-res concentrations or mass fluxes available offline, implement in met field processing
-|David Ridley (MIT)<br>GCST<br>Nested Model WG
-|Science
-|
-|-valign="top"
+== Longer term (12-24 months)==
-|Dust emissions at nested-grid resolutions
-|Yuxuan Wang (U. Houston)<br>Jun Wang (U. Iowa)
-|Science
-|
-*Check for overlap with resolution-consistent dust emissions above
-|-valign="top"
-|[[Wet_deposition#Update_SO2_scavenging_in_convective_updrafts_for_consistency|Update SO2 scavenging in convective updrafts for consistency]]
-|Duncan Fairlie (NASA/LARC)
-|Science
-|
-|}
-=== 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="400px"|Item
+!width="200px"|Feature
-!width="250px"|Author(s)
+!width="200px"|Contributor(s)
-!width="100px"|Type
+!width="100px"|Model scope
-!width="300px"|Status
+!width="420px"|Notes and References
 |-valign="top"
-|GCHP stretched grid
+|Updates to Aromatic chemistry
-|Jiawei Zhuang (Harvard)
+|Stephen MacFarlane (UOW)<br>Jenny Fisher (UOW)
-|Science
+|Chemistry
 |
 |-valign="top"
-|1/8 degree nested-grid simulations with GEOS-FP
+|Nitrate photolysis
-|Nested Model WG
+|Mat Evans (York)<br>Thomas Sherwen (York)<br>Matthew Rowlinson (York)
-|Science
+|Chemistry
 |
-*Wait for more interest
 |-valign="top"
-|Embedding GEOS-Chem into CESM
+|In aerosol chemistry Halogens
-|Jean-Francois Lamarque (NCAR)
+|Mat Evans (York)<br>Hansen Cao (CU Boulder)
-|Science
+|Chemistry
 |
 |-valign="top"
-|Adjoint of carbon cycle simulation in GCHP
+|Benchmark box model of GC Chemistry
-|Kevin Bowman (JPL)
+|Katie Travis (NASA)
-|Science
+|Chemistry
 |
 |-valign="top"
-|Isoprene chemistry v2 (new Caltech update)
+|Alkyl nitrates Alk7, PHAN
-|Kelvin Bates (Caltech)
+|Katie Travis (NASA)
-|Science
+|Chemistry
 |
 |-valign="top"
-|Contemporary land cover: developing historical and updated GEOS-Chem land cover maps based on satellite remote sensing
+|Add stratospheric ozone species to full-chemistry simulations
-|Jeff Geddes (BU)
-|Science
-|
-|-valign="top"
-|Farquhar-Ball-Barry model to calculate stomatal resistance
-|Amos Tai (CUHK)<br>Jeff Geddes (BU)
-|Science
-|
-|-valign="top"
-|Impacts of chemistry on ecosystem/carbon cycle
-|Kevin Bowman (JPL)<br>Anthony Bloom (JPL)
-|Science
-|
-|-valign="top"
-|Improved lightning emission scheme
 |Lee Murray (Rochester)
-|Science
+|Chemistry
 |
 |-valign="top"
-|Resolution-independent lightning NOx
+|Perchlorate chemistry
-|Lee Murray (Rochester)
+|Yuk Chun Chan (UWAB)
-|Science
+|Chemistry
 |
 |-valign="top"
-|Bidirectional NH3 emissions
+|Explicit heterogeneous sulfate chemistry
-|Juliet Zhu (CSU)
+|Katie Travis (NASA)<br>Becky Alexander (UT)
-|Science
+|Chemistry
 |
 |-valign="top"
-|Country-based weekday/weekend variability for EDGAR 4.2
+|HOx and ozone "emissions" from lightning as option in model to play with
-|Lee Murray (Rochester)<br>Christoph Keller (Harvard)
+|Jingqiu (Alaska)<br>Lee Murray (Rochester)
-|Science
+|Emissions
 |
 |-valign="top"
-|Update keytone photolysis
+|Sea salt aerosol from sea ice leads
-|Jared Brewer (CSU)<br>Emily Fischer (CSU)
+|Hannah Horowitz (U. Illinois)
-|Science
+|Emissions
 |
 |-valign="top"
-|Small alkyl nitrates
+|Drought-stress algorithm
-|Jenny Fisher (Wollongong)
+|Wei Li (U. Houston)
-|Science
 |
-|-valign="top"
-|YIBS-GC chemistry-biosphere-fire coupling
-|Loretta Mickley (Harvard)<br>Xu Yue (IAP)
-|Science
 |
 |-valign="top"
-|Nitrogen-LAI coupling
+|Biomass burning injection height profiles
-|Lin Zhang (PKU)<br>Amos Tai (CUHK)
+|Inderjeet Singh (WashU)
-|Science
+|Emissions
 |
 |-valign="top"
-|Implementing humidity/VPD dependence of dry deposition
+|OCIM integration
-|Jennifer Murphy (U. Toronto)
+|Chris Holmes (FSU)<br>Lee Murray (Rochester)
-|Science
 |
-|-valign="top"
-|SO2 wet scavenging
-|Duncan Fairlie (NASA Langley)
-|Science
 |
 |-valign="top"
-|Heterogeneous sulfate production
+|Updating landcover products in GEOS-Chem
-|Lin Zhang (PKU)<br>Becky Alexander (UW)<br>Yuxuan Wang (U. Houston)
+|Chris Holmes (FSU)<br>Jeff Geddes (BU)
-|Science
+|Input data
 |
 |-valign="top"
-|MOSAIC implementation
+|Dry deposition physical improvement
-|Sebastian Eastham (Harvard)
-|Science
-|
-|-valign="top"
-|Particle size climatology
-|Fangqun Yu (SUNY Albany)
-|Science
-|
-|-valign="top"
-|Sea salt/dust size distribution
-|David Ridley (MIT)<br>Colette Heald (MIT)
-|Science
-|
-|-valign="top"
-|Updates to GTMM
-|Rebecca Stern (Harvard)
-|Science
-|
-|-valign="top"
-|Tracer transport ocean
 |Chris Holmes (FSU)
-|Science
+|Dry deposition
 |
 |-valign="top"
-|Include Hg in full chemistry simulation
+|TOMAS WRF-GC in regional Thailand simulation
-|Noelle Selin (MIT)
+|Win Trivitayanurak (Chulalongkorn U)
-|Science
+|Aerosols
-|
-|-valign="top"
-|Goddard seasonal weather prediction in GCHP
-|Kevin Bowman (JPL)
-|Science
-|
-|-valign="top"
-|Climate index diagnostics (drought, etc.)
-|Chemistry-ecosystems-climate WG
-|Structural
-|
-|-valign="top"
-|Joint CO/CO2/CH4 simulation
-|Nicholas Deutscher (U. Wollongong)
-|Science
-|
-|-valign="top"
-|Carbon coupling: oceans and terrestrial models
-|Chris Holmes (FSU)
-|Science
-|
-*Ocim-pure physical transport, ECCO-Darwin ocean biogeochemistry
-|-valign="top"
-|DMS oxidation scheme updating
-|Qianjie Chen (UW)<br>Chemistry WG
-|Science
-|
-|-valign="top"
-|Limiting NH3 uptake due to OA
-|Rachel Silvern (Harvard)
-|Science
 |
 |}
---[[User:Bmy|Bob Yantosca]] ([[User talk:Bmy|talk]]) 15:32, 23 May 2018 (UTC)