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

Latest revision as of 20:20, 24 June 2024

On this page we list the current priorities for GEOS-Chem development. This list is continuously updated based on code readiness and input from the Working Groups and the Steering Committee. For history of past releases see the GEOS-Chem Versions wiki page.

Merged and awaiting release

See the links below for items merged and awaiting release.

Mergeable at any time	Version in development
GEOS-Chem no-diff-to-benchmark	GEOS-Chem 14.5.0

Feature integration in progress

Features listed in this table are actively being integrated into GEOS-Chem by the GEOS-Chem Support Team. In addition, we continuously implement structural updates in the model to maintain and develop coupling with other models including GEOS, CESM, and the model adjoint.

Feature	Contributor(s)	Model scope	Ease of implementation	Notes and References
New soil NOx parameterization	Yi Wang (U. Iowa) Jun Wang (U. Iowa)	Emissions	Medium	geos-chem issue #1288 Incorporates new met field TSOIL1
Horizontal flux regridding fix in MAPL	Tom Clune (GMAO)	GCHP	Medium	MAPL PR #36
Cloud-J 7.7.2 for greater flexibility in external models	Lizzie Lundgren (Harvard)	Photolysis	Medium	Cloud-J PR #17 GEOS-Chem PR #2342 More Cloud-J PRs in progress
GCHP run directory improvements for mass flux, stretched grid, and GEOS-IT runs	Lizzie Lundgren (Harvard)	GCHP	Medium	GEOS-Chem PR #2326
Fixes for GEOS-Chem 14.4 in CESM	Haipeng Lin (Harvard) Lizzie Lundgren (Harvard)	CESM	Medium	GEOS-Chem PR #2348 More PRs in progress

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	Delivered	geos-chem issue #1625 Brewer, J.F. et al., J. Geophys. Res., 2023.
New version of CEDS at 0.1 deg	Dandan Zhang (WashU)	Emissions	Simple	Delivered June 2024	geos-chem issue #1745
Remove differences in GC-Classic due to HEMCO reading REAL8 restart as REAL4	Lizzie Lundgren (Harvard)	GC-Classic	Medium		HEMCO issue #18

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 Refereneces
Binary Activity Thermodynamic (BAT) model for non-ideal mixing of water and organics in organic aerosol	Camilo Serrano and Andreas Zuend (McGill)	Aerosols	Not delivered
Extend aerosol settling	Eloise Marais (UCL)	Aerosols	Not delivered
Comment back in Ca, Mg, and K cations in aerosol thermo (HETP)	Becky Alexander (UW)	Aerosols	Not delivered
Seasalt aerosol from sea ice leads (2002-2011)	Hannah (UIUC)	Aerosols	Not delivered
P/L species should not contribute to the error norm	Obin Sturm (PSC)	Chemistry	Not delivered
Additional 6 peroxynitrates (many PANs like species); improve ALK4 & add ALK6	Katherine Travis (NASA LARC)	Chemistry	Not delivered
Monoterpene oxdation more species & oxdiation products	Kevin Bates (CU Boulder)	Chemistry	Not delivered
PPN photolysis	Eloise Marais (University College London)	Chemistry	Not delivered
global orgainc N dep from various emissions; nitrate aromatics updates	Tzung-May Fu (SUSTech)	Chemistry + Deposition	Not delivered
adaptive chemistry (domain-specific) in WRF-GC	Tzung-May Fu (SUSTech)	Chemistry	Not delivered
Alk4 from biogenic vs anthro	Jared Brewer (UMN)	Chemistry	Not delivered
Dry deposition to F90 (readability)	Chris Holmes (FSU)	Dry Deposition	Not delivered
Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange	Joey Lam, Amos Tai (CUHK)	Dry deposition	Not delivered
FRP-based fire emissions for eastern US at 0.2	Chris Holmes (FSU)	Emissions	Not delivered
China agriculture NH3 emissions	Amos Tai (CUHK)	Emissions	Not delivered
T-dependent anthropogenic VOCs	May Fu (SUSTech)	Emissions	Not delivered
Rasterized shapefiles high-resolution for oil and gas infrastructure in North America	Lee Murray (Rochester)	Emissions	Not delivered
New soil NOx parameterization	Yi Wang (U. Iowa), Jun Wang (U. Iowa)	Emissions	Not delivered
New source functions for transport tracers beryllium-7 and beryllium-10	Minjie Zheng (ETH)	Emissions	Not delivered
LPJ land cover (global), fire (W US), dust emissions (SW N America), 1700-2100	Yang Li (Baylor University), Loretta Mickley (Harvard)	Emissions	Not delivered
Australian emissions	Stephen MacFarlane/Jenny Fisher (UWollongong)	Emissions	Not delivered
Geogenic emissions (volcanic, rock weathering)	Eric Roy (MIT)	Emissions	Not delivered
Biomass burning - FINN2.5 & GFED4	Eric Roy (MIT)	Emissions	Not delivered
BCC-GC online	Lin Zhang (PKU)	External Model	Not delivered
GC-YIBS with online fire emissions	Xu Yue; Hong Liao; Xu Yue (NUIST)	External Model	Not delivered
GISS-GC offline (GCAP)	Lee Murray (Rochester)	GCAP	Not delivered
Archived TCR-2 OH fields for carbon simulations	Kazu Miyazaki (JPL)	Input data	Not delivered
GOOPy (General Observation Operator in Python): for processing satellite and model output to produce column fields using averaging kernels	Hannah Nesser (JPL) , Elise Penn (Harvard)	Tools	Not delivered	Could be added into GCPy as a Git submodule

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
Capture all trop and PBL height changes in budget diagnostics	Chris Holmes (FSU) Lizzie Lundgren (Harvard)	Diagnostics	geos-chem PR 2103
Dust non-sphericity impacts on optical properties	Inderjeet Singh (WashU)	Aerosols
Fixes to stratospheric aerosol settling	Connor Barker, Eloise Marais (UCL)	Aerosols
DMS chemistry in v14	Linia Tashmim and Will Porter (UC Riverside)	Chemistry
KPP standalone + 3D Interface	Obin Sturm (PSC)	Chemistry
Load balancing in chemistry solver (GCHP)	Zhouran (Jordan) Sun (WashU)	Chemistry + Performance
UCX chemistry in mesosphere (GCHP/GCClassic)	Helena McDonald (MIT)	Chemistry
Updated aromatic oxidation	Stephen MacFarlane/Jenny Fisher (University of Wollongong)	Chemistry
MCO3 uptake by cloud forming MP; leading to lower PAN	Laura Yang (Harvard)	Chemistry
Implement isotope simulation for CH4 in the carbon simulation	Lee Murray (Rochester)	Chemistry
Active mesospheric chemistry	Helena McDonald (MIT), Seb Eastham (IC)	Chemistry
Documentation for adding additional aerosol species	Connor Barker (UCL)	Documentation
Column diagnostics	Lizzie Lundgren (Harvard), Viral Shah (GMAO)	Diagnostics
TOMAS rate diagnostics -- improve performance	Betty Croft (WashU/Dal)	Diagnostics + Performance
Fix obspack - not working in 14.4.0	Bob Yantosca (Harvard)	Diagnostics
Archive gamma values from heterogeneous chemistry	Bob Yantosca (Harvard)	Diagnostics
RRTMG Documentation	GCST	Documentation
Canopy Physics Model	Sam Silva (MIT)	Dry Deposition
Dry deposition diagnostics by land cover	Holly Nowell, Chris Holmes (FSU)	Dry Deposition
Dry deposition process diagnostics	Holly Nowell, Chris Holmes (FSU)	Dry Deposition
Biomass burning for TOMAS	Nicole June (CSU)	Emissions + Microphysics
Historic biomass burning ()	Pengfei (Gtech)	Emissions
Rice methane	Zichong Cheng (Harvard)	Emissions
Fire and anthropogenic emissions not currently turned on (monoterpenes, 1-butadiene etc.)	Katie Travis / Kelvin Bates	Emissions
Updated bottom-up global CH4 oil, gas, and coal emissions (GFEI v3)	Melissa Sulprizio (Harvard), Tia Scarpelli (Carbon MAPPER)	Emissions
New prior biospheric fluxes from CMS-FLUX and GMAO	Kevin Bowman (JPL), Lesley Ott (GMAO)	Emissions
Snowpack Br2 emission	Chris Holmes (FSU)	Emissions
EDGAR v8.1_toxHg emissions for 1970-2022	Eric Roy (MIT)	Emissions
Improve pressure handling in GCHP advection	Yuanjian Zhang (WashU), Seb Eastham (ICL)	GCHP
Add error trap for duplicate scale factors in HEMCO	Bob Yantosca (Harvard)	HEMCO
Fix pressure handling in HEMCO standalone	Melissa Sulprizio (Harvard)	HEMCO
Integration testing: Add stretched grid	Lizzie Lundgren (Harvard)	Quality Assurance
Integration testing: Add GCAP2	GCST	Quality Assurance
Integration testing: Add GCHP mass flux run	Lizzie Lundgren (Harvard)	Quality Assurance
Integration testing: Add run with all diagnostics turned on	GCST	Quality Assurance
Integration testing: Reinstate TOMAS40	Betty Croft (Dalhousie/WashU)	Quality Assurance
Strat-adjusted RF in GCC and GCHP	Connor Barker, Eloise Marais (UCL)	Radiation
Continue cleanup of C-preprocessor switches	Lizzie Lundgren (Harvard)	Structural
updates to Luo deposition scheme	Gan Luo	Wet Deposition
Testing the use of a new scavenging parameterization developed by Luo and Yu for cold cloud with Pb-210 aerosol tracer	Gan Luo (Albany), Fangqun Yu (Albany)	Wet Deposition

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
ML algorithms for bulk aerosol	Arshad Nair and Fangqun Yu (SUNY Albany)	Aerosols
Heterogeneous sulfate chemistry	Katie Travis	Chemistry
H2 as an active species	Seb Eastham (IC)	Chemistry
HCN, acetonitrile as fire tracers	Kevin Bates (CU Boulder)	Chemistry
Implement ethane in carbon simulation	Yuzhong Zhang (Westlake)	Chemistry
VCPs emissions	Kelvin Bates (CU Boulder)	Emissions
Mesospheric source of CO	Dylan Jones (UofT), Pam Wales (GSFC)	Emissions
Drought-stress algorithm	Wei Li (U. Houston)	Emissions
Physically-based resolution correction for BVOC emissions using MEGAN	May Fu (SUSTech)	Emissions
Canadian forest fire prediction system (Canada government forecast model)	Robin (Montreal)	Emissions
Furan emission factors (updates existing emissions)	Lu Hu/Lixu Jin (Montana)	Emissions
Cooking emissions (not biofuel)	Kelvin Bates (CU Boulder)	Emissions
State-specific annual emissions scaling factors (US) (1990-2021)	Ishir Dutta (MIT)	Emissions
GISS-GC online	Lee Murray (Rochester)	External model
Hybrid MPI-OpenMP in GCHP	Seb Eastham (MIT); Killian Murphy (York); Lizzie Lundgren (Harvard)	GCHP
MAPL3: Update to MAPL3 in GCHP, including replacement of ExtData.rc and HISTORY.rc with YAML files	Lizzie Lundgren (Harvard)	GCHP
MAPL3: Comply with MAPL "positive" standard in GCHP diagnostic files	Lizzie Lundgren (Harvard)	GCHP
MAPL3: Wildcards in GCHP History	Lizzie Lundgren (Harvard)	GCHP
MAPL3: Output emissions with positive up convention in GCHP	Lizzie Lundgren (Harvard)	GCHP
Assessment/improvement of OpenMP performance in GC-Classic and HEMCO standalone	Bob Yantosca (Harvard)	Performance
Photophysical oxidation of aldehydes	Paulo Sebastianelli/Jenny Fisher (University of Wollongong)	Chemistry
DMS updates	Will Porter (UCR)	Chemistry
Furans emission and chemistry	Lixu Jin/Lu Hu(U Montana)	Chemistry + Emissions
Cl2 prodcution from Fe aerosol Qianjie Chen	(Hong Kong Poly)/Becky Alexander (UW)	Chemistry
VCP, cooking: tracers species added i.e., D5, ethanol affecting PAN	Kevin Bates (CU Boulder)	Emissions
bidirectional land-atmosphere exchange for Hg	Yuying Cui (MIT/Tsinghua)	Hg simulation
OH covariances for inversions	Elise Penn (Harvard)	Inversions
CESM2-GC offline	Seb Eastham (ICL); Lee Murray (Rochester)	Met fields
Re-binning of off-line sea salt and dust for TOMAS	Betty Croft (Dalhousie)	Microphysics
TOMAS nucleation updates	Sam O'Donnell (CSU)	Microphysics
Stratospheric aerosol APM	Fangqun Yu (SUNY Albany)	Microphysics
Transition from MERRA-2 to GEOS-IT for benchmarking	Yuanjian Zhang (WashU)	Quality Assurance
Automate integration testing on AWS	Yidan Tang (WashU)	Quality Assurance
Integration testing: Add across end of year run	GCST	Quality Assurance
Integration testing: Add GEOS-IT	Yuanjian Zhang (WashU)	Quality Assurance
Separate mixing, emissions, and drydep	Yuanjian Zhang (WashU)	Structural
Intel IFX compiler	Bob Yantosca (Harvard)	Structural
CMake option to only build libraries but not executable, also passing C-preprocessor statements to turn off code	Bob Yantosca (Harvard); Lee Murray (Rochester)	Structural
Remove differences introduced when breaking up GC-Classic runs in time; and flexible precision in HEMCO	Lizzie Lundgren (Harvard)	Structural
Limit allocation of State_Met to what is needed per simulation	Melissa Sulprizio (Harvard)	Structural

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
Modal aerosol model (MAM7) in GCHP	Shreya Sharma (MIT)	Aerosols
Online OCIM ocean biogeochemistry	Lee Murray (Rochester); Hannah Horowitz (UIUC); Chris Holmes (FSU)	Chemistry
Perchlorate chemistry	Yuk Chun Chan (UW)	Chemistry
Non-stomatal dry deposition (2-layer canopy model)	Michael Vermeuel (Purdue)	Dry Deposition
Continental chloride particle emissions (salty dust, road salt)	Jessica Haskins (Utah)	Emissions
Multivolatility emission inventory to address gaps in EDGAR/HTAP etc.	Ruochong (Tshingua)	Emissions
Lightning NOx production rates	Bex Horner (UCL)	Emissions
HFO and CF3CHO	Beth Killen/Jenny Fisher (University of Wollongong)	Chemistry
Glyoxal updates from isoprene	Tzung-May Fu (SUSTech)	Chemistry
Iodine chemistry	Becky Alexander (UW)/Xuan Wang (cityU HK)	Chemistry
Chlorine/Perchlorate	Yukchun Chan (UW)	Chemistry
Playa dust chemistry to improve Cl over land	Jessica Haskins (Utah)	Chemistry
GFED5 biomass burning	Eric Roy (MIT)	Emissions
Ocean Hg surface concentrations for 2010-2020 from multi-model ensemble	Eric Roy (MIT)/Ari Feinberg (IQF-CSIC)	Hg simulation
Soil Hg emissions 2010-2020	Eric Roy (MIT)/Ari Feinberg (IQF-CSIC)	Hg simulation
Air-sea exchange parameterization	Eric Roy (MIT)	Hg simulation
Soil Hg emissions parameterization	Ari Feinberg (IQF-CSIC)	Hg simulation
Sea salt uptake of GOM	Eric Roy (MIT)	Hg simulation
Photoreduction rate constant	Eric Roy (MIT)	Hg simulation
new observations (2010-2020) in standardized Hg benchmark for intercomparison	Eric Roy (MIT)/Ari Feinberg (IQF-CSIC)	Hg simulation
Hg simulation in GCHP	Eric Roy (MIT)	Hg simulation
OCIM - biogeochemical model - (C/P/N/Fe - no Hg yet) (MATLAB)	Hannah Horowitz (UIUC)	Hg simulation
possibly updating Hg oxidation chemistry based on Utah field campaigns	Jessica Haskins (Utah)	Hg simulation
New halogen/aerosol fields (surface area / AOD) from 10-year 14.4 benchmark simulation available online	Viral Shah (NASA GMAO); Eric Roy (MIT); Ari Feinberg (IQF-CSIC)	Input data
Extend IMI to CO2 (ICI)	Hannah Nesser (JPL)	Inversions
Global emission inventory of metals	Tzung-May Fu (SUSTech); He Zhong Tian (Peking Normal U)	Metals simulation
Investigate and improve performance of aerosol chemistry	Bob Yantosca (Harvard)	Performance
PAH - update from version 11	Lexia Cicone (MIT)	POPs simulation
Species database more accessible; doc updates; TOL discussion	Jessica Haskins (Utah)	Structural
Stretched-grid plotting in GCPy	Killian Murphy (York)	Tools
Model inter-comparison of transport (GEOS, GCHP, GCClassic)	Lizzie Lundgren (Harvard), Emma Knowland (NASA)	Transport
Comparing mass fluxes in GCHP vs. traditional lat/lon wind	Yuanjian Zhang (WashU), Seb Eastham (ICL)	Transport

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

Latest revision as of 20:20, 24 June 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)

Navigation menu

Personal tools

Namespaces

Variants

Views

More

Search

Navigation

Tools

@@ 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]].
-== Release schedule ==
-Please see the [http://wiki.seas.harvard.edu/geos-chem/images/e/e1/GEOS-Chem_Release_Proposal.pdf GEOS-Chem Release Proposal] outlining the procedure and schedule for releasing GEOS-Chem versions.
 == Merged and awaiting release ==
@@ Line 13: / Line 7: @@
 {| border=1 cellspacing=0 cellpadding=5
 |-bgcolor="#CCCCCC"
-!width="200px"|Patch version in development
+!width="300px"|Mergeable at any time
-!width="200px"|Major version in development
+!width="200px"|Version in development
 |-valign="top"
-|align="center"| -
+|align="center"|'''[[GEOS-Chem no-diff-to-benchmark]]'''
-|align="center"|'''[[GEOS-Chem 14.2.0]]'''
+|align="center"|'''[[GEOS-Chem 14.5.0]]'''
 |}
@@ Line 24: / Line 18: @@
 == Feature integration in progress ==
-Features listed in this table are actively being integrated into GEOS-Chem by the [[GEOS-Chem Support Team]]. In addition, we continuously implement structural updates in the model to maintain and develop coupling with other models including GEOS, CESM, and the model adjoint.
+Features listed in this table are actively being integrated into GEOS-Chem by the [https://geoschem.github.io/support-team.html GEOS-Chem Support Team]. In addition, we continuously implement structural updates in the model to maintain and develop coupling with other models including GEOS, CESM, and the model adjoint.
 {| border=1 cellspacing=0 cellpadding=5
@@ Line 35: / Line 29: @@
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/issues/1715 Update transport tracer simulation for consistency with the tracer gridded component in GEOS]
+|[https://github.com/geoschem/geos-chem/issues/1288 New soil NOx parameterization]
-|Melissa Sulprizio (Harvard)
+|Yi Wang (U. Iowa)<br>Jun Wang (U. Iowa)
-|TransportTracer simulation
+|Emissions
 |Medium
 |
+*[https://github.com/geoschem/geos-chem/issues/1288 geos-chem issue #1288]
+*Incorporates new met field TSOIL1
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/issues/1529 Bug fix: Initialize CO2 to a relevant value for full-chemistry]
+|Horizontal flux regridding fix in MAPL
-|Mike Long (GMAO)<br>Bob Yantosca (Harvard)
+|Tom Clune (GMAO)
-|Chemistry
+|GCHP
-|Simple
+|Medium
 |
-* Awaiting merge into 14.2.0
+*[https://github.com/geoschem/MAPL/pull/36 MAPL PR #36]
-*[https://github.com/geoschem/geos-chem/pull/1731 geoschem/geos-chem PR #1731]
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/issues/331 Provide climatologies for open fire emissions]
+|Cloud-J 7.7.2 for greater flexibility in external models
-|Melissa Sulprizio (Harvard)
+|Lizzie Lundgren (Harvard)
-|Emissions
+|Photolysis
-|Simple
+|Medium
 |
+*[https://github.com/geoschem/Cloud-J/pull/17 Cloud-J PR #17]
+*[https://github.com/geoschem/geos-chem/pull/2342 GEOS-Chem PR #2342]
+* More Cloud-J PRs in progress
 |-valign="top"
-|[https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2022JG006908 Methane emissions from hydropower reservoirs]
+|GCHP run directory improvements for mass flux, stretched grid, and GEOS-IT runs
-|Kyle Delwiche (UC Berkeley)<br>Melissa Sulprizio (Harvard)
-|CH4 simulation
-|Simple
-|
-|-valign="top"
-|Updated loss frequencies for CH4 simulation
-|Todd Mooring (Harvard)
-|CH4 simulation
-|Simple
-|
-|-valign="top"
-|Move Aerosol_Mod module variables to State_Chm
 |Lizzie Lundgren (Harvard)
-|Aerosols
+|GCHP
-|Simple
+|Medium
 |
+*[https://github.com/geoschem/geos-chem/pull/2326 GEOS-Chem PR #2326]
 |-valign="top"
-|TOMAS in GCHP
+|Fixes for GEOS-Chem 14.4 in CESM
-|Betty Croft (Dalhousie)
+|Haipeng Lin (Harvard)<br>Lizzie Lundgren (Harvard)
-|TOMAS
+|CESM
-|Simple
+|Medium
 |
-*[https://github.com/geoschem/GCHP/pull/221 geoschem/GCHP PR #221]
+*[https://github.com/geoschem/geos-chem/pull/2348 GEOS-Chem PR #2348]
-*[https://github.com/geoschem/geos-chem/pull/1261 geoschem/geos-chem PR #1261]
+* More PRs in progress
-*[https://github.com/geoschem/HEMCO/pull/145 geoschem/HEMCO PR #145]
-|-valign="top"
-|[https://github.com/geoschem/geos-chem/issues/1511 Bug fix for TOMAS sulfate production rates]
-|Betty Croft (Dalhousie)
-|TOMAS
-|Simple
-|
-*[https://github.com/geoschem/geos-chem/pull/1569 geoschem/geos-chem PR #1569]
 |}
@@ Line 112: / Line 88: @@
 |-valign="top"
-|[https://doi.org/10.7910/DVN/23BRII Global continental chlorine (pCl and HCl) emissions]
+|ALK4 & R4N2 chemistry
-|Bingqing Zhang (Georgia Tech)<br>Pengfei Liu (Georgia Tech)
+|Jared Brewer (UMN)
+|Chemistry
+|TBD
+|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., 2023.]
+|-valign="top"
+|New version of CEDS at 0.1 deg
+|Dandan Zhang (WashU)
 |Emissions
 |Simple
-|Delivered<br>Jul 2022
+|Delivered June 2024
 |
+*[https://github.com/geoschem/geos-chem/issues/1745 geos-chem issue #1745]
+|-valign="top"
+|Remove differences in GC-Classic due to HEMCO reading REAL8 restart as REAL4
+|Lizzie Lundgren (Harvard)
+|GC-Classic
+|Medium
+|
+|
+*[https://github.com/geoschem/HEMCO/issues/18 HEMCO issue #18]
 |}
@@ Line 131: / Line 127: @@
 !width="100px"|Model scope
 !width="100px"|Delivery status
-!width="300px"|Notes and References
+!width="300px"|Notes and Refereneces
 |-valign="top"
-|Update surface methane boundary condition using NOAA flask data
+|Binary Activity Thermodynamic (BAT) model for non-ideal mixing of water and organics in organic aerosol
-|Lee Murray (Rochester)
+|Camilo Serrano and Andreas Zuend (McGill)
-|Input data
+|Aerosols
 |Not delivered
 |
 |-valign="top"
-|Geologic emission of ethane and propane
+|Extend aerosol settling
-|Matthew Rowlinson and Mat Evans(York)
+|Eloise Marais (UCL)
-|Emissions
+|Aerosols
-|Delivered<br>Jan 2023
+|Not delivered
 |
-*Global source from https://doi.org/10.1038/s41561-018-0073-0 with spatial distribution from https://doi.org/10.5194/essd-11-1-2019
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/pull/629 Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange]
+|Comment back in Ca, Mg, and K cations in aerosol thermo (HETP)
-|Joey Lam(CUHK)<br>Amos Tai (CUHK)
+|Becky Alexander (UW)
-|Science
+|Aerosols
-|Delivered<br>Feb 2021
+|Not delivered
 |
-*[https://github.com/geoschem/geos-chem/pull/629 geoschem/geos-chem #629]
 |-valign="top"
-|LPJ land cover (global), fire (W US), dust emissions (SW N America), 1700-2100
+|Seasalt aerosol from sea ice leads (2002-2011)
-|Yang Li (Baylor University)<br>Loretta Mickley (Harvard)
+|Hannah (UIUC)
-|Emissions
+|Aerosols
-|Delivered<br>Jul 2021
+|Not delivered
 |
-*Data involves many files- need to think about temporal frequency
 |-valign="top"
-|Online H2 chemistry
+|P/L species should not contribute to the error norm
-|Maria Paula Pérez-Peña (UNSW)<br>Jenny Fisher (UOW)<br>Dylan Millet (UMN)
+|Obin Sturm (PSC)
 |Chemistry
 |Not delivered
 |
-*[https://acp.copernicus.org/articles/22/12367/2022/acp-22-12367-2022.html Pérez-Peña, M.P. et al., ACP, 2022.]
 |-valign="top"
-|Alk4 & R4N2 chemistry
+|Additional 6 peroxynitrates (many PANs like species); improve ALK4 & add ALK6
-|Jared Brewer (Harvard)
+|Katherine Travis (NASA LARC)
 |Chemistry
 |Not delivered
 |
-*[https://acmg.seas.harvard.edu/files/acmg/files/brewer2022.pdf Brewer, J.F. et al., J. Geophys. Res., submitted 2023.]
 |-valign="top"
-|DMS Chemistry
+|Monoterpene oxdation more species & oxdiation products
-|Linia Tashmim (UC Riverside)<br>William Porter (UC Riverside)
+|Kevin Bates (CU Boulder)
 |Chemistry
 |Not delivered
@@ Line 188: / Line 180: @@
 |-valign="top"
-|Organic acids (RCOOH)
+|PPN photolysis
-|Katie Travis (NASA)
+|Eloise Marais (University College London)
 |Chemistry
 |Not delivered
@@ Line 195: / Line 187: @@
 |-valign="top"
-|Update reactions with new JPL & IUPAC recommendations
+|global orgainc N dep from various emissions; nitrate aromatics updates
-|Kelvin Bates (Harvard)
+|Tzung-May Fu (SUSTech)
+|Chemistry +<br>Deposition
+|Not delivered
+|
+|-valign="top"
+|adaptive chemistry (domain-specific) in WRF-GC
+|Tzung-May Fu (SUSTech)
 |Chemistry
 |Not delivered
@@ Line 202: / Line 201: @@
 |-valign="top"
-|Improve carbon & nitrogen conservation in reactions
+|Alk4 from biogenic vs anthro
-|Kelvin Bates (Harvard)
+|Jared Brewer (UMN)
 |Chemistry
 |Not delivered
@@ Line 209: / Line 208: @@
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/issues/1747 Parameterization of SNA and OM dry size]
+|Dry deposition to F90 (readability)
-|Haihui Zhu (WashU)
+|Chris Holmes (FSU)
-|Aerosols
+|Dry Deposition
 |Not delivered
 |
-*[https://egusphere.copernicus.org/preprints/2022/egusphere-2022-1292/ Zhu et al., EGUsphere, submitted 2023.]
 |-valign="top"
-|Blowing snow sea salt in TOMAS
+|Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange
-|Betty Croft (Dalhousie)
+|Joey Lam, Amos Tai (CUHK)
-|Aerosols
+|Dry deposition
 |Not delivered
 |
 |-valign="top"
-|New version of CEDS at 0.1 deg
+|FRP-based fire emissions for eastern US at 0.2
-|Dandan (WashU)
+|Chris Holmes (FSU)
 |Emissions
-|Delivered<br>Apr 2023
+|Not delivered
 |
-*[https://github.com/geoschem/geos-chem/issues/1745 geoschem/geos-chem #1745]
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/issues/550 MEIC (China regional) for 2000-2017 at 0.5x0.625 deg]
+|China agriculture NH3 emissions
-|Shixian Zhai (Harvard)
+|Amos Tai (CUHK)
 |Emissions
-|Delivered
+|Not delivered
 |
-*Need permission from Qiang Zhang (Tsinghua U.) to distribute data
 |-valign="top"
-|KORUS-AQ emissions for East Asia
+|T-dependent anthropogenic VOCs
-|Katie Travis (NASA)
+|May Fu (SUSTech)
 |Emissions
 |Not delivered
@@ Line 247: / Line 243: @@
 |-valign="top"
-|[https://pubs.rsc.org/en/content/articlelanding/2022/EM/D2EM00019A Australian anthropogenic Hg emissions]
+|Rasterized shapefiles high-resolution for oil and gas infrastructure in North America
-|Stephen MacFarlane (UOW)<br>Jenny Fisher (UOW)<br> Hannah Horowitz (U. Illinois)<br>Viral Shah (Harvard)
+|Lee Murray (Rochester)
-|Hg simulation
+|Emissions
 |Not delivered
 |
 |-valign="top"
-|WRF-GC Hg simulation
+|New soil NOx parameterization
-|Xiaotian Xu (Nanjing U.)<br>Yanxu Zhang (Nanjing U.)
+|Yi Wang (U. Iowa), Jun Wang (U. Iowa)
-|Hg simulation<br>WRF-GC
+|Emissions
 |Not delivered
 |
 |-valign="top"
-|Updated HgII gas-partical partitioning
+|New source functions for transport tracers beryllium-7 and beryllium-10
-|Kaiyun Liu (Tsinghua U.)<br>Qingru Wu (Tsinghua U.)<br>Shuxiao Wang (Tsinghua U.)
+|Minjie Zheng (ETH)
-|Hg simulation
+|Emissions
 |Not delivered
 |
-*Should be option, not default
 |-valign="top"
-|Dry deposition to F90 (readability)
+|LPJ land cover (global), fire (W US), dust emissions (SW N America), 1700-2100
-|Chris Holmes (FSU)
+|Yang Li (Baylor University), Loretta Mickley (Harvard)
-|Dry deposition
+|Emissions
+|Not delivered
+|
+|-valign="top"
+|Australian emissions
+|Stephen MacFarlane/Jenny Fisher (UWollongong)
+|Emissions
+|Not delivered
+|
+|-valign="top"
+|Geogenic emissions (volcanic, rock weathering)
+|Eric Roy (MIT)
+|Emissions
+|Not delivered
+|
+|-valign="top"
+|Biomass burning - FINN2.5 & GFED4
+|Eric Roy (MIT)
+|Emissions
+|Not delivered
+|
+|-valign="top"
+|BCC-GC online
+|Lin Zhang (PKU)
+|External Model
+|Not delivered
+|
+|-valign="top"
+|GC-YIBS with online fire emissions
+|Xu Yue; Hong Liao; Xu Yue (NUIST)
+|External Model
+|Not delivered
+|
+|-valign="top"
+|GISS-GC offline (GCAP)
+|Lee Murray (Rochester)
+|GCAP
+|Not delivered
+|
+|-valign="top"
+|Archived TCR-2 OH fields for carbon simulations
+|Kazu Miyazaki (JPL)
+|Input data
+|Not delivered
+|
+|-valign="top"
+|GOOPy (General Observation Operator in Python): for processing satellite and model output to produce column fields using averaging kernels
+|Hannah Nesser (JPL) , Elise Penn (Harvard)
+|Tools
 |Not delivered
 |
+* Could be added into GCPy as a Git submodule
 |}
@@ Line 287: / Line 339: @@
 !width="100px"|Model scope
 !width="420px"|Notes and References
 |-valign="top"
-|Add Cloud-J as git submodule and option for computing photolysis rates
+|Capture all trop and PBL height changes in budget diagnostics
-|Lizzie Lundgren (Harvard)
+|Chris Holmes (FSU)<br>Lizzie Lundgren (Harvard)
-|Photolysis
+|Diagnostics
+|
+*[https://github.com/geoschem/geos-chem/pull/2103 geos-chem PR 2103]
+|-valign="top"
+|Dust non-sphericity impacts on optical properties
+|Inderjeet Singh (WashU)
+|Aerosols
+|
+|-valign="top"
+|Fixes to stratospheric aerosol settling
+|Connor Barker, Eloise Marais (UCL)
+|Aerosols
 |
-*Validation pending
 |-valign="top"
-|PPN+hv, PPN+OH
+|DMS chemistry in v14
-|Robert Ryan (UCL)
+|Linia Tashmim and Will Porter (UC Riverside)
 |Chemistry
 |
 |-valign="top"
-|MBO
+|KPP standalone + 3D Interface
-|Michael Vermeuel (UMN)
+|Obin Sturm (PSC)
 |Chemistry
 |
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/issues/1094 Stratospheric adjustment with RRTMG in GEOS-Chem]
+|Load balancing in chemistry solver (GCHP)
-|Seb Eastham (MIT)
+|Zhouran (Jordan) Sun (WashU)
-|Science
+|Chemistry +<br>Performance
 |
+|-valign="top"
+|UCX chemistry in mesosphere (GCHP/GCClassic)
+|Helena McDonald (MIT)
+|Chemistry
+|
 |-valign="top"
-|Migrating simple SOA formation from carbon_mod.F90 into the KPP "full-chemistry" mechanism
+|Updated aromatic oxidation
+|Stephen MacFarlane/Jenny Fisher (University of Wollongong)
+|Chemistry
+|
+|-valign="top"
+|MCO3 uptake by cloud forming MP; leading to lower PAN
+|Laura Yang (Harvard)
+|Chemistry
+|
+|-valign="top"
+|Implement isotope simulation for CH4 in the carbon simulation
+|Lee Murray (Rochester)
+|Chemistry
+|
+|-valign="top"
+|Active mesospheric chemistry
+|Helena McDonald (MIT), Seb Eastham (IC)
+|Chemistry
+|
+|-valign="top"
+|Documentation for adding additional aerosol species
+|Connor Barker (UCL)
+|Documentation
+|
+|-valign="top"
+|Column diagnostics
+|Lizzie Lundgren (Harvard), Viral Shah (GMAO)
+|Diagnostics
+|
+|-valign="top"
+|TOMAS rate diagnostics -- improve performance
+|Betty Croft (WashU/Dal)
+|Diagnostics +<br>Performance
+|
+|-valign="top"
+|Fix obspack - not working in 14.4.0
 |Bob Yantosca (Harvard)
-|Aerosols<br>Structural
+|Diagnostics
 |
-*Ongoing
 |-valign="top"
-|Re-binning of off-line sea salt and dust for use in TOMAS
+|Archive gamma values from heterogeneous chemistry
-|Betty Croft (Dalhousie)
+|Bob Yantosca (Harvard)
-|Aerosols
+|Diagnostics
 |
 |-valign="top"
-|Adaption of TOMAS' in-cloud aqueous sulfate production for KPP versus sulfate_mod.F90
+|RRTMG Documentation
-|Betty Croft (Dalhousie)
+|GCST
-|Aerosols
+|Documentation
 |
 |-valign="top"
-|ML algorithms for bulk aerosols
+|Canopy Physics Model
-|Arshad Nair (SUNY Albany)<br>Fangqun Yu (SUNY Albany)
+|Sam Silva (MIT)
-|Aerosols
+|Dry Deposition
 |
 |-valign="top"
-|PM2.5 and PM10 calculations: aerodynamic vs geometric diameters
+|Dry deposition diagnostics by land cover
-|Shixian Zhai (Harvard)
+|Holly Nowell, Chris Holmes (FSU)
-|Aerosols
+|Dry Deposition
 |
 |-valign="top"
-|Updates to Hodzic SOA scheme
+|Dry deposition process diagnostics
-|Jared Brewer (Harvard)
+|Holly Nowell, Chris Holmes (FSU)
-|Aerosols
+|Dry Deposition
 |
 |-valign="top"
-|Automated reduction in isoprene scheme
+|Biomass burning for TOMAS
-|Dan Westervelt (Lamont-Doherty)
+|Nicole June (CSU)
-|Aerosols
+|Emissions +<br>Microphysics
 |
 |-valign="top"
-|Brown carbon chemsitry
+|Historic biomass burning ()
-|Jingqiu Mao (U. Alaska)<br>Xuan Wang (CUHK)
+|Pengfei (Gtech)
-|Aerosols
+|Emissions
 |
 |-valign="top"
-|GEOS resolution and subgrid convection - Part 2 RAS parameter tuning
+|Rice methane
-|Tailong He (Toronto)<br>Dylan Jones (Toronto)<br>Andrea Molod (NASA GMAO)
+|Zichong Cheng (Harvard)
-|Convection
+|Emissions
 |
 |-valign="top"
-|High-res top-down TROPOMI-derived seasonal mean NOx emissions for China
+|Fire and anthropogenic emissions not currently turned on (monoterpenes, 1-butadiene etc.)
-|Jintai Lin (PKU)
+|Katie Travis / Kelvin Bates
 |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
+|Updated bottom-up global CH4 oil, gas, and coal emissions (GFEI v3)
-|Tess Carter (MIT)
+|Melissa Sulprizio (Harvard), Tia Scarpelli (Carbon MAPPER)
 |Emissions
 |
 |-valign="top"
-|Updated offline sea salt emissions
+|New prior biospheric fluxes from CMS-FLUX and GMAO
-|Hongjian Weng (PKU) <br> Jintai Lin (PKU)
+|Kevin Bowman (JPL), Lesley Ott (GMAO)
 |Emissions
 |
 |-valign="top"
-|[https://gmd.copernicus.org/articles/13/2569/2020/ Canopy Physics Model]
+|Snowpack Br2 emission
-|Sam Silva (MIT)
+|Chris Holmes (FSU)
-|Emissions &<br>Science
+|Emissions
 |
-*DOI: [https://zenodo.org/record/3614062#.XzvrH5NKjOR 10.5281/zenodo.3614062]
-*Needs to be updated to a more recent GEOS-Chem version
 |-valign="top"
-|Gridded EPA (GEPA) version 2 emissions for 2012-2018
+|EDGAR v8.1_toxHg emissions for 1970-2022
-|Bram Maasakkers (SRON)<br>Erin McDuffie (WashU),<br>Melissa Sulprizio (Harvard)
+|Eric Roy (MIT)
-|Emissions<br>CH4 simulation
+|Emissions
 |
 |-valign="top"
-|Assessment/improvement of OpenMP performance in GC-Classic and HEMCO standalone
+|Improve pressure handling in GCHP advection
-|Bob Yantosca (Harvard)
+|Yuanjian Zhang (WashU), Seb Eastham (ICL)
-|Model performance
+|GCHP
 |
-*Ongoing (will be done as time allows)
 |-valign="top"
-|Retire all BPCH diagnostics
+|Add error trap for duplicate scale factors in HEMCO
 |Bob Yantosca (Harvard)
-|Diagnostics
+|HEMCO
 |
-*Can be done following the [https://github.com/geoschem/geos-chem/pull/1569 TOMAS update for GCHP]
 |-valign="top"
-|Assess memory leak in GCHP
+|Fix pressure handling in HEMCO standalone
-|Killian Murphy (York)
+|Melissa Sulprizio (Harvard)
-|Model performance
+|HEMCO
 |
-*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"
-|Hybrid MPI-OpenMP in GCHP
+|Integration testing: Add stretched grid
-|Seb Eastham (MIT)<br>Killian Murphy (York)
+|Lizzie Lundgren (Harvard)
-|Model performance
+|Quality Assurance
 |
 |-valign="top"
-|Improve run directory templating and creation with init_rd.sh and shared directories
+|Integration testing: Add GCAP2
-|Jourdan He (WashU)
+|GCST
-|Run directories
+|Quality Assurance
 |
 |-valign="top"
-|Table of CTM and online GCM properties: GCHP, GCC, GEOS-CTM, GC-Nested, online GEOS, GEOS-replay, etc
+|Integration testing: Add GCHP mass flux run
-|GCST?
+|Lizzie Lundgren (Harvard)
-|Documentation
+|Quality Assurance
+|
+|-valign="top"
+|Integration testing: Add run with all diagnostics turned on
+|GCST
+|Quality Assurance
+|
+|-valign="top"
+|Integration testing: Reinstate TOMAS40
+|Betty Croft (Dalhousie/WashU)
+|Quality Assurance
+|
+|-valign="top"
+|Strat-adjusted RF in GCC and GCHP
+|Connor Barker, Eloise Marais (UCL)
+|Radiation
+|
+|-valign="top"
+|Continue cleanup of C-preprocessor switches
+|Lizzie Lundgren (Harvard)
+|Structural
+|
+|-valign="top"
+|updates to Luo deposition scheme
+|Gan Luo
+|Wet Deposition
+|
+|-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 (Albany), Fangqun Yu (Albany)
+|Wet Deposition
 |
@@ Line 455: / Line 596: @@
 |-valign="top"
-|Snow / Icy Bromine
+|ML algorithms for bulk aerosol
-|Becky Alexander (UW)<br>William Swanson (U. Alaska)<br>Shuting Zhai (UW)
+|Arshad Nair and Fangqun Yu (SUNY Albany)
-|Chemistry
+|Aerosols
 |
 |-valign="top"
-|Monoterpene oxidation scheme
+|Heterogeneous sulfate chemistry
-|Jessica Haskins (MIT)
+|Katie Travis
 |Chemistry
 |
 |-valign="top"
-|Fire related VOCs including furans
+|H2 as an active species
-|Lu Hu (UMT)<br>Lixu Jin (UMT)
+|Seb Eastham (IC)
 |Chemistry
 |
 |-valign="top"
-|Extension of UCX into the mesosphere
+|HCN, acetonitrile as fire tracers
-|Seb Eastham (MIT)<br>Eric Fleming (NASA)
+|Kevin Bates (CU Boulder)
 |Chemistry
 |
 |-valign="top"
-|Methane flux ingestion
+|Implement ethane in carbon simulation
-|Eloise Marais (UCL)
+|Yuzhong Zhang (Westlake)
 |Chemistry
 |
 |-valign="top"
-|Dust non-sphericity impacts on surface chem and optical properties
+|VCPs emissions
-|Inderjeet Singh (WashU)
+|Kelvin Bates (CU Boulder)
-|Aerosols
+|Emissions
 |
 |-valign="top"
-|Size-resolved stratospheric aerosol
+|Mesospheric source of CO
-|Seb Eastham (MIT)
+|Dylan Jones (UofT), Pam Wales (GSFC)
-|Aerosols
+|Emissions
 |
 |-valign="top"
-|Extend aerosol settling
+|Drought-stress algorithm
-|Eloise Marais (UCL)
+|Wei Li (U. Houston)
-|Aerosols
+|Emissions
 |
 |-valign="top"
-|Stratospheric aerosol APM
+|Physically-based resolution correction for BVOC emissions using MEGAN
-|Fangqun Yu (SUNY)
+|May Fu (SUSTech)
-|Aerosols
+|Emissions
 |
 |-valign="top"
-|Plume-in-grid model
+|Canadian forest fire prediction system (Canada government forecast model)
-|Hongwei Sun (Harvard)
+|Robin (Montreal)
-|Chemistry
+|Emissions
 |
 |-valign="top"
-|Updated lightning NOx: Prescribe from ground and geostationary lightning flashes
+|Furan emission factors (updates existing emissions)
-|Lee Murray (Rochester)
+|Lu Hu/Lixu Jin (Montana)
 |Emissions
 |
 |-valign="top"
-|Seb aircraft emissions beyond recent 2019 update
+|Cooking emissions (not biofuel)
-|Seb Eastham (MIT)
+|Kelvin Bates (CU Boulder)
 |Emissions
 |
 |-valign="top"
-|FRP-based fire emsisions for eastern US at 0.2	deg
+|State-specific annual emissions scaling factors (US) (1990-2021)
-|Charlie Fite (FSU)
+|Ishir Dutta (MIT)
 |Emissions
 |
 |-valign="top"
-|Hg iodine chemistry
+|GISS-GC online
-|Yiming Fu<br>Yanxu Zhang (Nanjing U.)
+|Lee Murray (Rochester)
-|Hg simulation
+|External model
 |
 |-valign="top"
-|Hg simulation in GCHP
+|Hybrid MPI-OpenMP in GCHP
-|Ari Feinberg (MIT)<br>Lyssa Freese (MIT)
+|Seb Eastham (MIT); Killian Murphy (York); Lizzie Lundgren (Harvard)
-|Hg simulation
+|GCHP
 |
 |-valign="top"
-|Update Hg ocean and soil boundary conditions for consistency with new chemistry
+|MAPL3: Update to MAPL3 in GCHP, including replacement of ExtData.rc and HISTORY.rc with YAML files
-|Yanxu Zhang (Nanjing U.)
+|Lizzie Lundgren (Harvard)
+|GCHP
+|
+|-valign="top"
+|MAPL3: Comply with MAPL "positive" standard in GCHP diagnostic files
+|Lizzie Lundgren (Harvard)
+|GCHP
+|
+|-valign="top"
+|MAPL3: Wildcards in GCHP History
+|Lizzie Lundgren (Harvard)
+|GCHP
+|
+|-valign="top"
+|MAPL3: Output emissions with positive up convention in GCHP
+|Lizzie Lundgren (Harvard)
+|GCHP
+|
+|-valign="top"
+|Assessment/improvement of OpenMP performance in GC-Classic and HEMCO standalone
+|Bob Yantosca (Harvard)
+|Performance
+|
+|-valign="top"
+|Photophysical oxidation of aldehydes
+|Paulo Sebastianelli/Jenny Fisher (University of Wollongong)
+|Chemistry
+|
+|-valign="top"
+|DMS updates
+|Will Porter (UCR)
+|Chemistry
+|
+|-valign="top"
+|Furans emission and chemistry
+|Lixu Jin/Lu Hu(U Montana)
+|Chemistry + <br>Emissions
+|
+|-valign="top"
+|Cl2 prodcution from Fe aerosol	Qianjie Chen
+|(Hong Kong Poly)/Becky Alexander (UW)
+|Chemistry
+|
+|-valign="top"
+|VCP, cooking: tracers species added i.e., D5, ethanol affecting PAN
+|Kevin Bates (CU Boulder)
+|Emissions
+|
+|-valign="top"
+|bidirectional land-atmosphere exchange for Hg
+|Yuying Cui (MIT/Tsinghua)
 |Hg simulation
 |
 |-valign="top"
-|Dry deposition diagnostics by land cover
+|OH covariances for inversions
-|Holly Nowell (FSU)
+|Elise Penn (Harvard)
-|Diagnostics
+|Inversions
 |
 |-valign="top"
-|Dry deposition process diagnostics
+|CESM2-GC offline
-|Holly Nowell (FSU)
+|Seb Eastham (ICL); Lee Murray (Rochester)
-|Diagnostics
+|Met fields
 |
 |-valign="top"
-|Isotope simulation for CO and CH4 in GCHP
+|Re-binning of off-line sea salt and dust for TOMAS
-|Lee Murray (Rochester)
+|Betty Croft (Dalhousie)
-|Carbon simulation
+|Microphysics
 |
 |-valign="top"
-|Updated bottom-up global CH4 oil, gas, and coal emissions (GFEI v3)
+|TOMAS nucleation updates
-|Melissa Sulprizio (Harvard)<br>Tia Scarpelli (U. Edinburgh)<br>Zichong Chen (Harvard)
+|Sam O'Donnell (CSU)
-|Emissions<br>CH4 simulation
+|Microphysics
+|
+|-valign="top"
+|Stratospheric aerosol APM
+|Fangqun Yu (SUNY Albany)
+|Microphysics
+|
+|-valign="top"
+|Transition from MERRA-2 to GEOS-IT for benchmarking
+|Yuanjian Zhang (WashU)
+|Quality Assurance
+|
+|-valign="top"
+|Automate integration testing on AWS
+|Yidan Tang (WashU)
+|Quality Assurance
+|
+|-valign="top"
+|Integration testing: Add across end of year run
+|GCST
+|Quality Assurance
+|
+|-valign="top"
+|Integration testing: Add GEOS-IT
+|Yuanjian Zhang (WashU)
+|Quality Assurance
 |
 |-valign="top"
-|Modularization of aerosols code for interface with GOCART in GEOS
+|Separate mixing, emissions, and drydep
-|Christoph Keller (GMAO)
+|Yuanjian Zhang (WashU)
 |Structural
 |
 |-valign="top"
-|Improve load balancing in GCHP
+|Intel IFX compiler
-|Seb Eastham (MIT)
+|Bob Yantosca (Harvard)
-|Model performance
+|Structural
 |
 |-valign="top"
-|Testing the use of monthly mean MERRA-2 CWC with Pb-210 aerosol tracer
+|CMake option to only build libraries but not executable, also passing C-preprocessor statements to turn off code
-|Bo Zhang (NIA)<br>Hongyu Liu (NIA / NASA Langley)
+|Bob Yantosca (Harvard); Lee Murray (Rochester)
-|Transport
+|Structural
 |
 |-valign="top"
-|Testing the use of a new scavenging parameterization developed by Luo and Yu for cold cloud with Pb-210 aerosol tracer
+|Remove differences introduced when breaking up GC-Classic runs in time; and flexible precision in HEMCO
-|Gan Luo (SUNY Albany)<br>Fangqun Yu (SUNY-Albany)
+|Lizzie Lundgren (Harvard)
-|Transport
+|Structural
 |
 |-valign="top"
-|Evaluate vertical mixing in GEOS-Chem with model-model and model-observation comparisons
+|Limit allocation of State_Met to what is needed per simulation
-|Seb Eastham (MIT)<br>Clara Orbe (NASA GISS)<br>Andrew Schuh (CSU)
+|Melissa Sulprizio (Harvard)
-|Transport
+|Structural
 |
@@ Line 618: / Line 858: @@
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/issues/1288 New soil NOx parameterization]
+|Modal aerosol model (MAM7) in GCHP
-|Yi Wang (U. Iowa)<br>Jun Wang (U. Iowa)
+|Shreya Sharma (MIT)
-|Emissions
+|Aerosols
 |
-*See [https://github.com/geoschem/geos-chem/issues/1288 geoschem/geos-chem #1288]
-*[https://github.com/geoschem/geos-chem/issues/1288#issuecomment-1255103962 NOTE: This feature has been tabled for the time being.]
 |-valign="top"
-|Updates to Aromatic chemistry
+|Online OCIM ocean biogeochemistry
-|Stephen MacFarlane (UOW)<br>Jenny Fisher (UOW)
+|Lee Murray (Rochester); Hannah Horowitz (UIUC); Chris Holmes (FSU)
 |Chemistry
 |
 |-valign="top"
-|Nitrate photolysis
+|Perchlorate chemistry
-|Mat Evans (York)<br>Thomas Sherwen (York)<br>Matthew Rowlinson (York)
+|Yuk Chun Chan (UW)
 |Chemistry
 |
 |-valign="top"
-|In aerosol chemistry Halogens
+|Non-stomatal dry deposition (2-layer canopy model)
-|Mat Evans (York)<br>Hansen Cao (CU Boulder)
+|Michael Vermeuel (Purdue)
-|Chemistry
+|Dry Deposition
 |
 |-valign="top"
-|Benchmark box model of GC Chemistry
+|Continental chloride particle emissions (salty dust, road salt)
-|Katie Travis (NASA)
+|Jessica Haskins (Utah)
-|Chemistry
+|Emissions
 |
 |-valign="top"
-|Alkyl nitrates Alk7, PHAN
+|Multivolatility emission inventory to address gaps in EDGAR/HTAP etc.
-|Katie Travis (NASA)
+|Ruochong (Tshingua)
+|Emissions
+|
+|-valign="top"
+|Lightning NOx production rates
+|Bex Horner (UCL)
+|Emissions
+|
+|-valign="top"
+|HFO and CF3CHO
+|Beth Killen/Jenny Fisher (University of Wollongong)
 |Chemistry
 |
 |-valign="top"
-|Add stratospheric ozone species to full-chemistry simulations
+|Glyoxal updates from isoprene
-|Lee Murray (Rochester)
+|Tzung-May Fu (SUSTech)
 |Chemistry
 |
 |-valign="top"
-|Perchlorate chemistry
+|Iodine chemistry
-|Yuk Chun Chan (UWAB)
+|Becky Alexander (UW)/Xuan Wang (cityU HK)
 |Chemistry
 |
 |-valign="top"
-|Explicit heterogeneous sulfate chemistry
+|Chlorine/Perchlorate
-|Katie Travis (NASA)<br>Becky Alexander (UT)
+|Yukchun Chan (UW)
 |Chemistry
 |
 |-valign="top"
-|ISORROPIA-lite
+|Playa dust chemistry to improve Cl over land
-|Becky Alexander (UW)
+|Jessica Haskins (Utah)
-|Aerosols
+|Chemistry
 |
 |-valign="top"
-|HOx and ozone "emissions" from lightning as option in model to play with
+|GFED5 biomass burning
-|Jingqiu (Alaska)<br>Lee Murray (Rochester)
+|Eric Roy (MIT)
 |Emissions
 |
 |-valign="top"
-|Sea salt aerosol from sea ice leads
+|Ocean Hg surface concentrations for 2010-2020 from multi-model ensemble
-|Hannah Horowitz (U. Illinois)
+|Eric Roy (MIT)/Ari Feinberg (IQF-CSIC)
-|Emissions
+|Hg simulation
 |
 |-valign="top"
-|Drought-stress algorithm
+|Soil Hg emissions 2010-2020
-|Wei Li (U. Houston)
+|Eric Roy (MIT)/Ari Feinberg (IQF-CSIC)
+|Hg simulation
 |
+|-valign="top"
+|Air-sea exchange parameterization
+|Eric Roy (MIT)
+|Hg simulation
 |
 |-valign="top"
-|Biomass burning injection height profiles
+|Soil Hg emissions parameterization
-|Inderjeet Singh (WashU)
+|Ari Feinberg (IQF-CSIC)
-|Emissions
+|Hg simulation
 |
 |-valign="top"
-|OCIM integration
+|Sea salt uptake of GOM
-|Chris Holmes (FSU)<br>Lee Murray (Rochester)
+|Eric Roy (MIT)
+|Hg simulation
 |
+|-valign="top"
+|Photoreduction rate constant
+|Eric Roy (MIT)
+|Hg simulation
 |
 |-valign="top"
-|Updating landcover products in GEOS-Chem
+|new observations (2010-2020) in standardized Hg benchmark for intercomparison
-|Chris Holmes (FSU)<br>Jeff Geddes (BU)
+|Eric Roy (MIT)/Ari Feinberg (IQF-CSIC)
+|Hg simulation
+|
+|-valign="top"
+|Hg simulation in GCHP
+|Eric Roy (MIT)
+|Hg simulation
+|
+|-valign="top"
+|OCIM - biogeochemical model - (C/P/N/Fe - no Hg yet) (MATLAB)
+|Hannah Horowitz (UIUC)
+|Hg simulation
+|
+|-valign="top"
+|possibly updating Hg oxidation chemistry based on Utah field campaigns
+|Jessica Haskins (Utah)
+|Hg simulation
+|
+|-valign="top"
+|New halogen/aerosol fields (surface area / AOD) from 10-year 14.4 benchmark simulation available online
+|Viral Shah (NASA GMAO); Eric Roy (MIT); Ari Feinberg (IQF-CSIC)
 |Input data
 |
 |-valign="top"
-|Dry deposition physical improvement
+|Extend IMI to CO2 (ICI)
-|Chris Holmes (FSU)
+|Hannah Nesser (JPL)
-|Dry deposition
+|Inversions
 |
 |-valign="top"
-|TOMAS WRF-GC in regional Thailand simulation
+|Global emission inventory of metals
-|Win Trivitayanurak (Chulalongkorn U)
+|Tzung-May Fu (SUSTech); He Zhong Tian (Peking Normal U)
-|Aerosols
+|Metals simulation
 |
-|}
+|-valign="top"
+|Investigate and improve performance of aerosol chemistry
+|Bob Yantosca (Harvard)
+|Performance
+|
+|-valign="top"
+|PAH - update from version 11
+|Lexia Cicone (MIT)
+|POPs simulation
+|
-----------------
+|-valign="top"
+|Species database more accessible; doc updates; TOL discussion
+|Jessica Haskins (Utah)
+|Structural
+|
-'''''[[Main_Page|GEOS-Chem Main Page]] | [[GCHP_Main_Page|GCHP Main Page]]'''''
+|-valign="top"
+|Stretched-grid plotting in GCPy
+|Killian Murphy (York)
+|Tools
+|
+|-valign="top"
+|Model inter-comparison of transport (GEOS, GCHP, GCClassic)
+|Lizzie Lundgren (Harvard), Emma Knowland (NASA)
+|Transport
+|
+|-valign="top"
+|Comparing mass fluxes in GCHP vs. traditional lat/lon wind
+|Yuanjian Zhang (WashU), Seb Eastham (ICL)
+|Transport
+|
+|}