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

Latest revision as of 20:39, 2 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 14.4.0

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
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 20:39, 2 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: @@
-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/2015/index.html International GEOS-Chem Meeting (IGC7)] in May 2015 and has been continuously updated since 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 as of Nov 2016 ==
+See the links below for items merged and awaiting release.
-The items listed below are in different stages of readiness and will be included in future versions of the model.
+{| border=1 cellspacing=0 cellpadding=5
+|-bgcolor="#CCCCCC"
+!width="300px"|Mergeable at any time
+!width="200px"|Version in development
-=== Awaiting release ===
+|-valign="top"
+|align="center"|'''[[GEOS-Chem no-diff-to-benchmark]]'''
+|align="center"|'''[[GEOS-Chem 14.4.0]]'''
-Items awaiting release will be part of the next version release of GEOS-Chem and are actively being incorporated into the standard model and benchmarked. More information on those items can be obtained on the [[GEOS-Chem v11-01]] wiki page.
+|}
-=== Ready to go in ===
+== Feature integration in progress ==
-==== Slated for inclusion in v11-02 ====
+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.
-The following items were prioritized for inclusion in [[GEOS-Chem v11-02]].
+{| border=1 cellspacing=0 cellpadding=5
+|-bgcolor="#CCCCCC"
-{| border=1 cellspacing=0 cellpadding=5
+!width="200px"|Feature
-|- bgcolor="#cccccc"
+!width="200px"|Contributor(s)
-!width="400px"|Item
+!width="100px"|Model scope
-!width="80px"|Type
+!width="100px"|Ease of implementation
-!width="250px"|Author(s)
+!width="300px"|Notes and References
-!width="250px"|Status
 |-valign="top"
-|[[Updates_in_JPL_Publication_15-10|Updating chemistry rate constants based on ''JPL Publication 15-10'']]
+|[https://doi.org/10.7910/DVN/23BRII Global continental chlorine (pCl and HCl) emissions]
-|Science
+|Bingqing Zhang (Georgia Tech)<br>Pengfei Liu (Georgia Tech)
-|Barron Henderson (U. Florida)<br>Mat Evans (U. York)<br>[[Chemistry Issues|Oxidants and Chemistry WG]]
+|Emissions
+|Simple
 |
 |-valign="top"
-|[[PAN|PAN updates]]
+|[https://github.com/geoschem/geos-chem/issues/1288 New soil NOx parameterization]
-|Science
+|Yi Wang (U. Iowa)<br>Jun Wang (U. Iowa)
-|Emily Fischer (CSU)
+|Emissions
+|Medium
 |
-*Delivered to GCST (May 2013)
+*[https://github.com/geoschem/geos-chem/issues/1288 geos-chem issue #1288]
+*Incorporates new met field TSOIL1
 |-valign="top"
-|Halogen chemistry updates
+|Remove differences in GC-Classic due to HEMCO reading REAL8 restart as REAL4
-|Science
+|Lizzie Lundgren (Harvard)
-|Tom&aacute;s Sherwen (York)<br>Johan Schmidt (Harvard)<br>[[Chemistry Issues|Oxidants and Chemistry WG]]
+|GC-Classic
+|Medium
 |
+*[https://github.com/geoschem/HEMCO/issues/18 hemco issue #18]
 |-valign="top"
-|Enhance default GEOS-Chem simple SOA
+|Capture all trop and PBL height changes in budget diagnostics
-|Science
+|Chris Holmes (FSU)<br>Lizzie Lundgren (Harvard)
-|Aerosol Working Group Chairs
+|Diagnostics
+|Medium
 |
+*[https://github.com/geoschem/geos-chem/pull/2103 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.
+{| 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"
-|[[Aerosol_optical_properties#Add_BC_absorption_enhancement_factor|Update density of BC to 1.8 and add absorption enhancement factor in input.geos]]
+|ALK4 & R4N2 chemistry
-|Science
+|Jared Brewer (UMN)
-|Xuan Wang (MIT)
+|Chemistry
+|TBD
+|Not delivered
 |
-*Delivered to [[GEOS-Chem Support Team|GCST]] (Jan 2016)
+*[https://github.com/geoschem/geos-chem/issues/1625 geos-chem issue #1625]
+*[https://acmg.seas.harvard.edu/files/acmg/files/brewer2022.pdf Brewer, J.F. et al., J. Geophys. Res., 2023.]
 |-valign="top"
-|Updates to isoprene chemistry, includes:
+|Mass flux regridding fix in MAPL
-*Fast photolysis of carbonyl nitrates
+|Tom Clune (GMAO)<br>Seb Eastham (MIT)
-*Aerosol uptake of organic nitrates
+|GCHP input regridding
-*Nighttime isoprene chemistry
+|Medium
-|Science
-|Jenny Fisher (U. Wollongong)<br>Elo&iuml;se Marais (Harvard)<br>Katie Travis (Harvard)<br>Kelvin Bates (Caltech)<br>Rebecca Schwantes(Caltech)
 |
+|
+*[https://github.com/geoschem/GCHP/issues/377 GCHP Issue #377]
+*'''Currently on hold, as the submitted update results in zero diff'''
 |-valign="top"
-|Add aqueous isoprene uptake to SOA scheme
+|New version of CEDS at 0.1 deg
-|Science
+|Dandan Zhang (WashU)
-|Eloise Marais (Harvard)
+|Emissions
+|Simple
+|Delivered
 |
-*Delivered to GCST (Jul 2016)
+*[https://github.com/geoschem/geos-chem/issues/1745 geos-chem issue #1745]
+*'''Currently on hold while an issue with seasonality in the new CEDS data is being investigated by the authors.'''
+|}
+== Ready to go in ==
+Features listed in this table are ready to go in but have either not been delivered or are not yet prioritized for integration into GEOS-Chem.
+{| border=1 cellspacing=0 cellpadding=5
+|-bgcolor="#CCCCCC"
+!width="200px"|Feature
+!width="200px"|Contributor(s)
+!width="100px"|Model scope
+!width="100px"|Delivery status
+!width="300px"|Notes and References
 |-valign="top"
-|[[NOx-Ox-HC-aerosol#Monthly mean surface distributions|Monthly mean surface methane distributions]]
+|KORUS-AQ emissions for East Asia (as an option)
-|Science
+|Katie Travis (NASA)
-|Lee Murray (NASA GISS/LDEO)
+|Emissions
+|Simple
 |
 |-valign="top"
-|[[Rn-Pb-Be_simulation#Radon_flux_diagnostic|Radon flux diagnostic]]
+|Geologic emission of ethane and propane
-|Benchmarking
+|Matthew Rowlinson and Mat Evans(York)
-|[[GCST]]
+|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
-|-bgcolor="#CCFFFF"
+|-valign="top"
-|[[EDGAR_v4.3_anthropogenic_emissions|EDGAR v4.3 emissions]]
+|[https://github.com/geoschem/geos-chem/pull/629 Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange]
+|Joey Lam(CUHK)<br>Amos Tai (CUHK)
 |Science
-|Chi Li (Dalhousie)
+|Delivered<br>Feb 2021
 |
-*Delivered to GCST (Nov 2016)
+*[https://github.com/geoschem/geos-chem/pull/629 geos-chem PR #629]
-|-bgcolor="#CCFFFF"
+|-valign="top"
-|EPA-derived BC/OA emissions over US (1990-2012)
+|LPJ land cover (global), fire (W US), dust emissions (SW N America), 1700-2100
-|Science
+|Yang Li (Baylor University)<br>Loretta Mickley (Harvard)
-|David Ridley (MIT)
+|Emissions
+|Delivered<br>Jul 2021
 |
+*Data involves many files- need to think about temporal frequency
-|-bgcolor="#CCFFFF"
+|-valign="top"
-|[[CAC_anthropogenic_emissions#Historical_emissions|Historical CAC emissions]]
+|[https://github.com/geoschem/geos-chem/issues/1867 Online H2 chemistry]
-|Science
+|Maria Paula Pérez-Peña (UNSW)<br>Jenny Fisher (UOW)<br>Dylan Millet (UMN)
-|Chi Li (Dalhousie)
+|Chemistry
+|Delivered<br>June 2023
 |
-*Delivered to GCST (Nov 2016)
+*[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
-|-bgcolor="#CCFFFF"
+|-valign="top"
-|Default US emissions to NEI after 2011
+|DMS Chemistry
-|Science
+|Linia Tashmim (UC Riverside)<br>William Porter (UC Riverside)
-|Dalhousie group
+|Chemistry
+|Not delivered
 |
-|-bgcolor="#CCFFFF"
+|-valign="top"
-|Ammonia from Arctic birds
+|Organic acids (RCOOH)
-|Science
+|Katie Travis (NASA)
-|Dalhousie group
+|Chemistry
+|Not delivered
 |
-|-bgcolor="#CCFFFF"
+|-valign="top"
-|[[Sulfate_aerosols#Ocean_ammonia_emission_inventory|Ocean ammonia emission inventory]]
+|Improve carbon & nitrogen conservation in reactions
-|Science
+|Kelvin Bates (Harvard)
-|Fabien Paulot (NOAA/GFDL)
+|Chemistry
+|Not delivered
 |
-*Data files delivered to GCST (Jan 2016)
-*Needs to be implemented via HEMCO
-|-bgcolor="#CCFFFF"
+|-valign="top"
-|Lightning update based on Travis et al. (2016, ACP) and Zhang et al. (2014, ACP)
+|Blowing snow sea salt in TOMAS
-|Science
+|Betty Croft (Dalhousie)
-|Katie Travis (Harvard)
+|Aerosols
+|Not delivered
 |
-|-bgcolor="#CCFFFF"
+|-valign="top"
-|[http://www.atmos-chem-phys.net/16/2819/2016/ A snow NOx source from deep snowpack]
+|[https://pubs.rsc.org/en/content/articlelanding/2022/EM/D2EM00019A Australian anthropogenic Hg emissions]
-|Science
+|Stephen MacFarlane (UOW)<br>Jenny Fisher (UOW)<br> Hannah Horowitz (U. Illinois)<br>Viral Shah (Harvard)
-|Maria Zatko (UW)<br>Becky Alexander (UW)
+|Hg simulation
+|Not delivered
 |
-*Implemented in v9-01-01
-*Needs to be added as a HEMCO extension
 |-valign="top"
-|Fix to direct/diffuse radiation
+|WRF-GC Hg simulation
-|Science
+|Xiaotian Xu (Nanjing U.)<br>Yanxu Zhang (Nanjing U.)
-|Katie Travis (Harvard)
+|Hg simulation<br>WRF-GC
+|Not delivered
 |
 |-valign="top"
-|Species Database Phase 3:
+|Updated HgII gas-partical partitioning
-*Harmonizing Henry's Law coefficients across wet and dry deposition
+|Kaiyun Liu (Tsinghua U.)<br>Qingru Wu (Tsinghua U.)<br>Shuxiao Wang (Tsinghua U.)
-|Science
+|Hg simulation
-|[[GCST]]
+|Not delivered
 |
+*Should be option, not default
 |-valign="top"
-|Updated organic deposition
+|Dry deposition to F90 (readability)
-|Science
+|Chris Holmes (FSU)
-|Katie Travis (Harvard)<br>Jenny Fisher (U. Wollongong)
+|Dry deposition
+|Not delivered
 |
+|}
+== Almost there (< 6 months) ==
+Features listed in this table are in development and will likely be delivered to the GEOS-Chem Support Team within the next 6 months.
+{|border=1 cellspacing=0 cellpadding=5
+|- bgcolor="#cccccc"
+!width="200px"|Feature
+!width="200px"|Contributor(s)
+!width="100px"|Model scope
+!width="420px"|Notes and References
 |-valign="top"
-|Remove dependence of species drydep on HNO3 drydep
+|PPN+hv, PPN+OH
-|Science
+|Robert Ryan (UCL)
-|Katie Travis (Harvard)<br>Jenny Fisher (U. Wollongong)
+|Chemistry
 |
 |-valign="top"
-|[[Wet_deposition#Update_SO2_scavenging_in_convective_updrafts_for_consistency|Update SO2 scavenging in convective updrafts for consistency]]
+|MBO
-|Science
+|Michael Vermeuel (UMN)
-|Duncan Fairlie (NASA/LARC)
+|Chemistry
 |
 |-valign="top"
-|[[Aerosols_Working_Group#Sedimentation_of_stratospheric_aerosols|Sedimentation of stratospheric aerosols]]
+|Initial conditions for CH4 correcting background and stratospheric biases
-|Science
+|Todd Mooring (Harvard)
-|Sebastian Eastham (Harvard)
+|Methane simulation
 |
-|-bgcolor="#CCFFFF"
+|-valign="top"
-|[[GEOS-Chem_tracer_units|Uniformity of units]]
+|Migrating simple SOA formation from carbon_mod.F90 into the KPP "full-chemistry" mechanism
-|Structural
+|Bob Yantosca (Harvard)
-|[[GCST]]
+|Aerosols<br>Structural
 |
-*Phase 2 (unit uniformity throughout chemistry) to be implemented after Flexchem
+*Ongoing
-*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
-|-bgcolor="#CCFFFF"
+|-valign="top"
-|[[GEOS-Chem_Output_Files#NetCDF_File_Format|NetCDF Output Phase 3a: Output diagnostics in NetCDF format]]
+|Re-binning of off-line sea salt and dust for use in TOMAS
-|Structural
+|Betty Croft (Dalhousie)
-|[[GCST]]
+|Aerosols
 |
-|-bgcolor="#CCFFFF"
+|-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]]
+|Adaption of TOMAS' in-cloud aqueous sulfate production for KPP versus sulfate_mod.F90
-|Bug fix/Structural
+|Betty Croft (Dalhousie)
-|[[GCST]]<br>Christoph Keller
+|Aerosols
 |
 |-valign="top"
-|[[POPs simulation#PCB simulation|PCB simulation]]
+|ML algorithms for bulk aerosols
-|Science
+|Arshad Nair (SUNY Albany)<br>Fangqun Yu (SUNY Albany)
-|Carey Friedman (MIT)<br>Helen Amos (Harvard)
+|Aerosols
 |
 |-valign="top"
-|Hg code updates (chemistry, ocean, land)
+|PM2.5 and PM10 calculations: aerodynamic vs geometric diameters
-|Science
+|Shixian Zhai (Harvard)
-|[[Hg and POPs Working Group]]
+|Aerosols
 |
 |-valign="top"
-|Surface ocean Hg boundary conditions from MITgcm
+|Updates to Hodzic SOA scheme
-|Science
+|Jared Brewer (Harvard)
-|Hannah Horowitz (Harvard)
+|Aerosols
 |
-|-bgcolor="#CCFFFF"
+|-valign="top"
-|Additional modifications for [[FlexChem]], including:
+|Automated reduction in isoprene scheme
-*Rebuild the pre-built chemistry mechanisms (Standard, Tropchem, UCX, SOA, SOA-SVPOA) with [http://www.paratools.com/Kppa Kppa]
+|Dan Westervelt (Lamont-Doherty)
-*Add capability for custom chemistry mechanism by building KPP on-the-fly in GEOS-Chem
+|Aerosols
-|Structural
-|Mike Long (Harvard)<br>[[GCST]]
 |
-|-bgcolor="#CCFFFF"
+|-valign="top"
-|FlexGrid: Use HEMCO I/O and regridding capabilities to read and regrid met fields
+|Brown carbon chemsitry
-|Structural
+|Jingqiu Mao (U. Alaska)<br>Xuan Wang (CUHK)
-|Jiawei Zhuang (Harvard)<br>Jintai Lin (PKU)
+|Aerosols
 |
-*Delivered to GCST (Oct 2016)
-|-bgcolor="#CCFFFF"
+|-valign="top"
-|Merge standard simulation with specialty simulations for OVOC, acids, aromatics, dicarbonyls, terpenes
+|GEOS resolution and subgrid convection - Part 2 RAS parameter tuning
-|Science
+|Tailong He (Toronto)<br>Dylan Jones (Toronto)<br>Andrea Molod (NASA GMAO)
-|Dylan Millet (UMN)<br>Xin Chen (UMN)
+|Convection
 |
-|-bgcolor="#CCFFFF"
+|-valign="top"
-|Nested CO2, CH4, Hg, TOMAS, adjoint, etc.
+|High-res top-down TROPOMI-derived seasonal mean NOx emissions for China
-|Science
+|Jintai Lin (PKU)
-|[[Nested Model Working Group]]
+|Emissions
 |
+*Horizontal resolution: 5km, temporal resolution: JJA mean
+*monthly data will be available at a later stage; please contact us
-|}
+|-valign="top"
+|Updated biomass burning emission factors and species
+|Tess Carter (MIT)
+|Emissions
+|
---[[User:Melissa Payer|Melissa Sulprizio]] ([[User talk:Melissa Payer|talk]]) 16:13, 7 November 2016 (UTC)
+|-valign="top"
+|Updated offline sea salt emissions
+|Hongjian Weng (PKU) <br> Jintai Lin (PKU)
+|Emissions
+|
-==== Defer to v11-03 unless ready in time for v11-02 ====
+|-valign="top"
+|[https://gmd.copernicus.org/articles/13/2569/2020/ Canopy Physics Model]
-{| border=1 cellspacing=0 cellpadding=5
+|Sam Silva (MIT)
-|- bgcolor="#cccccc"
+|Emissions &<br>Science
-!width="400px"|Item
+|
-!width="80px"|Type
+*DOI: [https://zenodo.org/record/3614062#.XzvrH5NKjOR 10.5281/zenodo.3614062]
-!width="250px"|Author(s)
+*Needs to be updated to a more recent GEOS-Chem version
-!width="250px"|Status
 |-valign="top"
-|Global evaluation of using LWC and IWC from met fields for wet scavenging
+|Assessment/improvement of OpenMP performance in GC-Classic and HEMCO standalone
-||Science
+|Bob Yantosca (Harvard)
-|Hongyu Liu (NIA/NASA LARC)<br>Bo Zhang (NIA)
+|Model performance
 |
+*Ongoing (will be done as time allows)
 |-valign="top"
-|Kz eddy mixing scheme
+|Assess memory leak in GCHP
-|Science
+|Killian Murphy (York)
-|Karen Yu (Harvard)
+|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"
-|VBS SOA option
+|Hybrid MPI-OpenMP in GCHP
-|Science
+|Seb Eastham (MIT)<br>Killian Murphy (York)
-|Rokjin Park (SNU)
+|Model performance
 |
 |-valign="top"
-|Benchmark of stratosphere simulation
+|Improve pressure handling in GCHP advection
-|Benchmarking
+|Seb Eastham (MIT)<br>Yuanjian Zhang (WashU)
-|Dylan Jones (U. Toronto)
+|GCHP
 |
-*1-yr benchmarks for GEOS-Chem v11-01d and later include comparisons with OSIRIS O3
-*Waiting on OSIRIS NO2 data
+|-valign="top"
-*Waiting on comparisons with ACE-FTS data
+|Use ExtData2G as default GCHP input module
+|Lizzie Lundgren (Harvard)
+|GCHP
+|Will replace ExtData.rc with yaml file
 |}
---[[User:Melissa Payer|Melissa Sulprizio]] ([[User talk:Melissa Payer|talk]]) 16:13, 7 November 2016 (UTC)
+== Over the horizon (6-12 months) ==
-==== Not prioritized for v11-02 (revisit at IGC8) ====
+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="400px"|Item
+!width="200px"|Feature
-!width="80px"|Type
+!width="200px"|Contributor(s)
-!width="250px"|Author(s)
+!width="100px"|Model scope
-!width="250px"|Status
+!width="420px"|Notes and References
 |-valign="top"
-|[[Python code for GEOS-Chem|Python GEOS-Chem output processing and visualization package]]
+|Snow / Icy Bromine
-|Software package
+|Becky Alexander (UW)<br>William Swanson (U. Alaska)<br>Shuting Zhai (UW)
-|Beno&icirc;t Bovy (U. Li&egrave;ge-Belgium)
+|Chemistry
 |
-*Users may download, test it, and submit feedback to Benoit Bovy.
 |-valign="top"
-|Sea salt emission from sea ice
+|Monoterpene oxidation scheme
-|Science
+|Jessica Haskins (MIT)
-|Jiayue Huang (UW)
+|Chemistry
 |
 |-valign="top"
-|Re-evaluation of SST dependence of sea salt emissions
+|Fire related VOCs including furans
-|Science
+|Lu Hu (UMT)<br>Lixu Jin (UMT)
-|Jiayue Huang (UW)
+|Chemistry
 |
 |-valign="top"
-|MOSAIC implementation
+|Extension of UCX into the mesosphere
-|Science
+|Seb Eastham (MIT)<br>Eric Fleming (NASA)
-|Sebastian Eastham (Harvard)
+|Chemistry
 |
 |-valign="top"
-|[[MEGAN_v2.1_plus_Guenther_2012_biogenic_emissions#Discussion_of_LAI_Data_Sources|Update MODIS LAI fields through 2015]]
+|Methane flux ingestion
-|Science
+|Eloise Marais (UCL)
-|Barron Henderson (UF)
+|Chemistry
 |
 |-valign="top"
-|Lightning NOx chemistry parameterization
+|Dust non-sphericity impacts on surface chem and optical properties
-|Science
+|Inderjeet Singh (WashU)
-|Alicia Gressent (MIT)
+|Aerosols
 |
-|}
+|-valign="top"
+|Size-resolved stratospheric aerosol
+|Seb Eastham (MIT)
+|Aerosols
+|
---[[User:Melissa Payer|Melissa Sulprizio]] ([[User talk:Melissa Payer|talk]]) 16:13, 7 November 2016 (UTC)
+|-valign="top"
+|Extend aerosol settling
+|Eloise Marais (UCL)
+|Aerosols
+|
-=== Over the horizon (6-12 months) ===
+|-valign="top"
+|Stratospheric aerosol APM
+|Fangqun Yu (SUNY)
+|Aerosols
+|
-{| border=1 cellspacing=0 cellpadding=5
+|-valign="top"
-|- bgcolor="#cccccc"
+|Plume-in-grid model
-!width="400px"|Item
+|Hongwei Sun (Harvard)
-!width="80px"|Type
+|Chemistry
-!width="250px"|Author(s)
+|
-!width="250px"|Status
 |-valign="top"
-|Dust emissions at nested-grid resolution
+|Updated lightning NOx: Prescribe from ground and geostationary lightning flashes
-|Science
+|Lee Murray (Rochester)
-|Yuxuan Wang (Texas A&M)<br>Jun Wang (UNL)
+|Emissions
 |
 |-valign="top"
-|Archive meteorological fields with higher resolution (for RCPs)
+|Seb aircraft emissions beyond recent 2019 update
-|Science
+|Seb Eastham (MIT)
-|Lee Murray (NASA GISS/LDEO)
+|Emissions
 |
 |-valign="top"
-|Land cover module in GEOS-Chem
+|FRP-based fire emsisions for eastern US at 0.2	deg
-|Science
+|Charlie Fite (FSU)
-|Jeffrey Geddes (MIT)<br>Michael Long (Harvard)
+|Emissions
 |
 |-valign="top"
-|Improved lightning emission scheme
+|Hg iodine chemistry
-|Science
+|Yiming Fu<br>Yanxu Zhang (Nanjing U.)
-|Lee Murray (NASA GISS/LDEO)
+|Hg simulation
 |
 |-valign="top"
-|Archive high resolution wind fields for sea salt
+|Hg simulation in GCHP
-|Science
+|Ari Feinberg (MIT)<br>Lyssa Freese (MIT)
-|[[GEOS-Chem Support Team]]
+|Hg simulation
 |
 |-valign="top"
-|Cl chemistry updates
+|Update Hg ocean and soil boundary conditions for consistency with new chemistry
-|Science
+|Yanxu Zhang (Nanjing U.)
-|Lyatt Jaegl&eacute; (UW)
+|Hg simulation
 |
 |-valign="top"
-|Automate redistribution of NOx in HEMCO
+|Dry deposition diagnostics by land cover
-|Science
+|Holly Nowell (FSU)
-|Lee Murray (NASA GISS/LDEO)
+|Diagnostics
 |
 |-valign="top"
-|Injection height for fire emissions
+|Dry deposition process diagnostics
-|Science
+|Holly Nowell (FSU)
-|Emily Fischer (CSU)
+|Diagnostics
 |
 |-valign="top"
-|Include Hg in full chemistry
+|Isotope simulation for CO and CH4 in GCHP
-|Science
+|Lee Murray (Rochester)
-|Noelle Selin (MIT)
+|Carbon simulation
 |
 |-valign="top"
-|DMS oxidation scheme updating
+|Updated bottom-up global CH4 oil, gas, and coal emissions (GFEI v3)
-|Science
+|Melissa Sulprizio (Harvard)<br>Tia Scarpelli (U. Edinburgh)<br>Zichong Chen (Harvard)
-|Tom Breider (Harvard)<br>Becky Alexander (U. Washington)<br>[[Chemistry Issues|Oxidants and Chemistry Working Group]]
+|Emissions<br>CH4 simulation
 |
-*Currently being worked on by a member of the [http://www.atmos.washington.edu/blog/beckya/group-members/ Alexander group]
 |-valign="top"
-|Historical Hg emissions (1850-present)
+|Modularization of aerosols code for interface with GOCART in GEOS
-|Science
+|Christoph Keller (GMAO)
-|Hannah Horowitz (Harvard)
+|Structural
 |
-*Awaiting completion of David Street's revised 1850-present inventory
 |-valign="top"
-|Joint CO/CO2/CH4 forward model simulation
+|Improve load balancing in GCHP
-|Science
+|Seb Eastham (MIT)
-|Nicholas Deutscher (U. Wollongong)
+|Model performance
 |
 |-valign="top"
-|Past and future fire emissions under RCPs
+|Testing the use of monthly mean MERRA-2 CWC with Pb-210 aerosol tracer
-|Science
+|Bo Zhang (NIA)<br>Hongyu Liu (NIA / NASA Langley)
-|Loretta Mickley (Harvard)<br>Yuhang Wang (GIT)<br>Shiliang Wu (MT)
+|Transport
 |
-*Some regional (western US, Canada, and Alaska) inventories for the 2050s A1B scenario are available by request (Loretta Mickley).
-*Further work on global scale and other scenarios are underway.
 |-valign="top"
-|Benchmark for 0.25x0.3125 nested NA model
+|Testing the use of a new scavenging parameterization developed by Luo and Yu for cold cloud with Pb-210 aerosol tracer
-|Benchmarking
+|Gan Luo (SUNY Albany)<br>Fangqun Yu (SUNY-Albany)
-|Jun Wang (UNL)
+|Transport
 |
 |-valign="top"
-|Emission scheme of dust: subgrid wind variation to remove resolution dependence and better interannual variability
+|Evaluate vertical mixing in GEOS-Chem with model-model and model-observation comparisons
-|Science
+|Seb Eastham (MIT)<br>Clara Orbe (NASA GISS)<br>Andrew Schuh (CSU)
-|David Ridley (MIT)
+|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
+|Benchmarking
 |
 |}
---[[User:Melissa Payer|Melissa Sulprizio]] ([[User talk:Melissa Payer|talk]]) 16:13, 7 November 2016 (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="400px"|Item
+!width="200px"|Feature
-!width="80px"|Type
+!width="200px"|Contributor(s)
-!width="250px"|Author(s)
+!width="100px"|Model scope
-!width="250px"|Status
+!width="420px"|Notes and References
 |-valign="top"
-|[[Sulfate_aerosols#Tagged_sulfate_and_nitrate_simulation|Tagged sulfate and nitrate simulation]], including
+|Updates to Aromatic chemistry
-*[[Sulfate_aerosols#Metal_catalyzed_oxidation_of_SO2|Metal catalyzed oxidation of SO2]] (as a switch)
+|Stephen MacFarlane (UOW)<br>Jenny Fisher (UOW)
-|Science
+|Chemistry
-|Becky Alexander (UW)
 |
-*These updates been implemented in v9-02, but have not been successfully merged with HEMCO in v10-01
-*Improvements for the tagged nitrate simulation are in the pipeline
 |-valign="top"
-|CO2 dependence of stomata conductance in dry deposition
+|Nitrate photolysis
-|Science
+|Mat Evans (York)<br>Thomas Sherwen (York)<br>Matthew Rowlinson (York)
-|Amos Tai (CUHK)
+|Chemistry
 |
 |-valign="top"
-|Ozone damage to vegetation
+|In aerosol chemistry Halogens
-|Science
+|Mat Evans (York)<br>Hansen Cao (CU Boulder)
-|Amos Tai (CUHK)
+|Chemistry
 |
 |-valign="top"
-|Bi-directional NH3 emissions
+|Benchmark box model of GC Chemistry
-|Science
+|Katie Travis (NASA)
-|Juliet Zhu (CSU)<br>Lin Zhang (PKU)
+|Chemistry
 |
 |-valign="top"
-|Arsenic simulation
+|Alkyl nitrates Alk7, PHAN
-|Science
+|Katie Travis (NASA)
-|Shiliang Wu (MT)
+|Chemistry
 |
 |-valign="top"
-|Dry deposition: Update the ozone dry deposition scheme
+|Add stratospheric ozone species to full-chemistry simulations
-|Science
+|Lee Murray (Rochester)
-|[http://www.chem.utoronto.ca/wp/murphygroup/ Murphy group] (UofT)
+|Chemistry
 |
 |-valign="top"
-|Country-based weekend/weekday variability for EDGAR v4.2
+|Perchlorate chemistry
-|Science
+|Yuk Chun Chan (UWAB)
-|Lee Murray (NASA GISS/LDEO)<br>Christoph Keller (Harvard)
+|Chemistry
 |
 |-valign="top"
-|Resolution-independent lightning NOx scaling
+|Explicit heterogeneous sulfate chemistry
-|Science
+|Katie Travis (NASA)<br>Becky Alexander (UT)
-|Lee Murray (NASA GISS/LDEO)
+|Chemistry
 |
 |-valign="top"
-|Nested-grid model with GEOS-FP at 1/2&deg; x 5/8&deg; resolution
+|HOx and ozone "emissions" from lightning as option in model to play with
-|Structural
+|Jingqiu (Alaska)<br>Lee Murray (Rochester)
-|[[Nested Model Working Group]]
+|Emissions
 |
 |-valign="top"
-|Update HCN simulation, implement in standard model via FlexChem
+|Sea salt aerosol from sea ice leads
-|Science
+|Hannah Horowitz (U. Illinois)
-|Jenny Fisher (U. Wollongong)
+|Emissions
 |
-*Not a priority
 |-valign="top"
-|TNO emissions over Europe (7km)
+|Drought-stress algorithm
-|Science
+|Wei Li (U. Houston)
-|[http://acmg.seas.harvard.edu/geos/geos_people.html#athens Greece team]
+|
 |
-*On hold indefinitely
 |-valign="top"
-|Implement biogenic emissions of ethane, propane
+|Biomass burning injection height profiles
-|Science
+|Inderjeet Singh (WashU)
-|Zitely Tzompa (CSU)
+|Emissions
 |
-*On hold indefinitely
 |-valign="top"
-|Subgrid scale precipitation variability
+|OCIM integration
-|Science
+|Chris Holmes (FSU)<br>Lee Murray (Rochester)
-|[http://acmg.seas.harvard.edu/ Harvard group]
+|
 |
-*On hold indefinitely
-|}
+|-valign="top"
+|Updating landcover products in GEOS-Chem
+|Chris Holmes (FSU)<br>Jeff Geddes (BU)
+|Input data
+|
---[[User:Melissa Payer|Melissa Sulprizio]] ([[User talk:Melissa Payer|talk]]) 16:13, 7 November 2016 (UTC)
+|-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
+|
+|}