Difference between revisions of "GEOS-Chem model development priorities"
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− | On this page we list the current priorities for GEOS-Chem development. | + | 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]]. |
− | + | == Merged and awaiting release == | |
− | + | See the links below for items merged and awaiting release. | |
− | + | {| border=1 cellspacing=0 cellpadding=5 | |
+ | |-bgcolor="#CCCCCC" | ||
+ | !width="300px"|Mergeable at any time | ||
+ | !width="200px"|Version in development | ||
− | === | + | |-valign="top" |
+ | |align="center"|'''[[GEOS-Chem no-diff-to-benchmark]]''' | ||
+ | |align="center"|'''[[GEOS-Chem 14.4.0]]''' | ||
− | + | |} | |
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | == Feature integration in progress == | |
− | + | ||
− | + | ||
− | + | ||
− | + | Features listed in this table are actively being integrated into GEOS-Chem by the [https://geoschem.github.io/support-team.html GEOS-Chem Support Team]. In addition, we continuously implement structural updates in the model to maintain and develop coupling with other models including GEOS, CESM, and the model adjoint. | |
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | |- | + | {| border=1 cellspacing=0 cellpadding=5 |
− | | | + | |-bgcolor="#CCCCCC" |
− | | | + | !width="200px"|Feature |
− | | | + | !width="200px"|Contributor(s) |
− | + | !width="100px"|Model scope | |
+ | !width="100px"|Ease of implementation | ||
+ | !width="300px"|Notes and References | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |KORUS-AQ emissions for East Asia (as an option) |
− | | | + | |Katie Travis (NASA) |
+ | |Emissions | ||
+ | |Simple | ||
| | | | ||
− | |||
|-valign="top" | |-valign="top" | ||
− | |[ | + | |[https://doi.org/10.7910/DVN/23BRII Global continental chlorine (pCl and HCl) emissions] |
− | | | + | |Bingqing Zhang (Georgia Tech)<br>Pengfei Liu (Georgia Tech) |
+ | |Emissions | ||
+ | |Simple | ||
| | | | ||
− | |||
|-valign="top" | |-valign="top" | ||
− | |[ | + | |[https://github.com/geoschem/geos-chem/issues/1747 Parameterization of SNA and OM dry size] |
− | | | + | |Haihui Zhu (WashU) |
+ | |Aerosols | ||
+ | |Medium | ||
| | | | ||
− | * | + | *[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" | |-valign="top" | ||
− | |[ | + | |[https://github.com/geoschem/geos-chem/issues/1288 New soil NOx parameterization] |
− | | | + | |Yi Wang (U. Iowa)<br>Jun Wang (U. Iowa) |
+ | |Emissions | ||
+ | |Medium | ||
| | | | ||
− | * | + | *[https://github.com/geoschem/geos-chem/issues/1288 geos-chem issue #1288] |
+ | *Incorporates new met field TSOIL1 | ||
|-valign="top" | |-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] |
|-valign="top" | |-valign="top" | ||
− | |[ | + | |Replace ISORROPIA with [https://gmd.copernicus.org/articles/17/2197/2024/ HETPv1.0] |
− | | | + | |Lizzie Lundgren (Harvard)<br>Seb Eastham (ICL) |
+ | |Aerosol thermodynamics | ||
+ | |Medium | ||
| | | | ||
− | * | + | *[https://github.com/geoschem/geos-chem/issues/2235 geos-chem issue #2235] |
|-valign="top" | |-valign="top" | ||
− | | | + | |Only convert units for species that need it |
− | | | + | |Bob Yantosca (Harvard) |
+ | |Unit conversions | ||
+ | |Medium | ||
| | | | ||
− | * | + | *[https://github.com/geoschem/geos-chem/pull/2072 geos-chem PR #2072] |
|-valign="top" | |-valign="top" | ||
− | | | + | |Capture all trop and PBL height changes in budget diagnostics |
− | | | + | |Chris Holmes (FSU)<br>Lizzie Lundgren (Harvard) |
+ | |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" | |-valign="top" | ||
− | | | + | |[https://github.com/geoschem/geos-chem/issues/1867 Online H2 chemistry] |
− | | | + | |Maria Paula Pérez-Peña (UNSW)<br>Jenny Fisher (UOW)<br>Dylan Millet (UMN) |
+ | |Chemistry | ||
+ | |TBD | ||
+ | |Delivered<br>June 2023 | ||
| | | | ||
− | * | + | *[https://acp.copernicus.org/articles/22/12367/2022/acp-22-12367-2022.html Pérez-Peña, M.P. et al., ACP, 2022.] |
− | + | *Implemented in v12.5, needs to be brought up to current version | |
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | * | + | |
|-valign="top" | |-valign="top" | ||
− | | | + | |ALK4 & R4N2 chemistry |
− | | | + | |Jared Brewer (UMN) |
+ | |Chemistry | ||
+ | |TBD | ||
+ | |Not delivered | ||
| | | | ||
− | * | + | *[https://github.com/geoschem/geos-chem/issues/1625 geos-chem issue #1625] |
− | + | *[https://acmg.seas.harvard.edu/files/acmg/files/brewer2022.pdf Brewer, J.F. et al., J. Geophys. Res., submitted 2023.] | |
− | + | ||
− | + | ||
− | + | ||
− | + | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Mass flux regridding fix in MAPL |
− | | | + | |Tom Clune (GMAO)<br>Seb Eastham (MIT) |
+ | |GCHP input regridding | ||
+ | |Medium | ||
| | | | ||
− | * | + | | |
− | + | *[https://github.com/geoschem/GCHP/issues/377 GCHP Issue #377] | |
− | + | *'''Currently on hold, as the submitted update results in zero diff''' | |
− | + | ||
− | + | ||
− | + | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |New version of CEDS at 0.1 deg |
− | + | |Dandan Zhang (WashU) | |
− | + | |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.''' | ||
|} | |} | ||
− | + | == 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 | + | {| border=1 cellspacing=0 cellpadding=5 |
− | |- bgcolor="# | + | |-bgcolor="#CCCCCC" |
− | !width=" | + | !width="200px"|Feature |
− | !width=" | + | !width="200px"|Contributor(s) |
− | !width=" | + | !width="100px"|Model scope |
+ | !width="100px"|Delivery status | ||
+ | !width="300px"|Notes and References | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Geologic emission of ethane and propane |
− | | | + | |Matthew Rowlinson and Mat Evans(York) |
+ | |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" | |-valign="top" | ||
− | |[ | + | |[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 | ||
+ | |Delivered<br>Feb 2021 | ||
| | | | ||
− | * | + | *[https://github.com/geoschem/geos-chem/pull/629 geos-chem PR #629] |
|-valign="top" | |-valign="top" | ||
− | | | + | |LPJ land cover (global), fire (W US), dust emissions (SW N America), 1700-2100 |
− | | | + | |Yang Li (Baylor University)<br>Loretta Mickley (Harvard) |
+ | |Emissions | ||
+ | |Delivered<br>Jul 2021 | ||
| | | | ||
− | * | + | *Data involves many files- need to think about temporal frequency |
− | + | ||
|-valign="top" | |-valign="top" | ||
− | |[ | + | |[https://github.com/geoschem/geos-chem/issues/550 MEIC (China regional) for 2000-2017 at 0.5x0.625 deg] |
− | | | + | |Shixian Zhai (Harvard) |
+ | |Emissions | ||
+ | |Delivered | ||
| | | | ||
− | * | + | *Need permission from Qiang Zhang (Tsinghua U.) to distribute data |
− | + | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |DMS Chemistry |
− | | | + | |Linia Tashmim (UC Riverside)<br>William Porter (UC Riverside) |
+ | |Chemistry | ||
+ | |Not delivered | ||
| | | | ||
− | |||
|-valign="top" | |-valign="top" | ||
− | | | + | |Organic acids (RCOOH) |
+ | |Katie Travis (NASA) | ||
+ | |Chemistry | ||
+ | |Not delivered | ||
| | | | ||
− | + | ||
− | + | |-valign="top" | |
+ | |Improve carbon & nitrogen conservation in reactions | ||
+ | |Kelvin Bates (Harvard) | ||
+ | |Chemistry | ||
+ | |Not delivered | ||
| | | | ||
− | |||
− | |||
|-valign="top" | |-valign="top" | ||
− | | | + | |Blowing snow sea salt in TOMAS |
− | | | + | |Betty Croft (Dalhousie) |
+ | |Aerosols | ||
+ | |Not delivered | ||
| | | | ||
− | |||
− | |||
|-valign="top" | |-valign="top" | ||
− | | | + | |[https://pubs.rsc.org/en/content/articlelanding/2022/EM/D2EM00019A Australian anthropogenic Hg emissions] |
− | | | + | |Stephen MacFarlane (UOW)<br>Jenny Fisher (UOW)<br> Hannah Horowitz (U. Illinois)<br>Viral Shah (Harvard) |
+ | |Hg simulation | ||
+ | |Not delivered | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |WRF-GC Hg simulation |
− | | | + | |Xiaotian Xu (Nanjing U.)<br>Yanxu Zhang (Nanjing U.) |
+ | |Hg simulation<br>WRF-GC | ||
+ | |Not delivered | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Updated HgII gas-partical partitioning |
− | | | + | |Kaiyun Liu (Tsinghua U.)<br>Qingru Wu (Tsinghua U.)<br>Shuxiao Wang (Tsinghua U.) |
+ | |Hg simulation | ||
+ | |Not delivered | ||
| | | | ||
+ | *Should be option, not default | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |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. | |
− | {| border=1 cellspacing=0 cellpadding=5 | + | {|border=1 cellspacing=0 cellpadding=5 |
|- bgcolor="#cccccc" | |- bgcolor="#cccccc" | ||
− | !width=" | + | !width="200px"|Feature |
− | !width=" | + | !width="200px"|Contributor(s) |
− | !width=" | + | !width="100px"|Model scope |
+ | !width="420px"|Notes and References | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |PPN+hv, PPN+OH |
− | | | + | |Robert Ryan (UCL) |
+ | |Chemistry | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |MBO |
− | | | + | |Michael Vermeuel (UMN) |
+ | |Chemistry | ||
| | | | ||
− | |||
|-valign="top" | |-valign="top" | ||
− | | | + | |Initial conditions for CH4 correcting background and stratospheric biases |
− | | | + | |Todd Mooring (Harvard) |
+ | |Methane simulation | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Migrating simple SOA formation from carbon_mod.F90 into the KPP "full-chemistry" mechanism |
− | | | + | |Bob Yantosca (Harvard) |
+ | |Aerosols<br>Structural | ||
| | | | ||
+ | *Ongoing | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Re-binning of off-line sea salt and dust for use in TOMAS |
− | | | + | |Betty Croft (Dalhousie) |
+ | |Aerosols | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Adaption of TOMAS' in-cloud aqueous sulfate production for KPP versus sulfate_mod.F90 |
− | | | + | |Betty Croft (Dalhousie) |
+ | |Aerosols | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |ML algorithms for bulk aerosols |
− | + | |Arshad Nair (SUNY Albany)<br>Fangqun Yu (SUNY Albany) | |
− | + | |Aerosols | |
− | | | + | |
| | | | ||
− | |||
|-valign="top" | |-valign="top" | ||
− | | | + | |PM2.5 and PM10 calculations: aerodynamic vs geometric diameters |
− | | | + | |Shixian Zhai (Harvard) |
+ | |Aerosols | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Updates to Hodzic SOA scheme |
− | | | + | |Jared Brewer (Harvard) |
+ | |Aerosols | ||
| | | | ||
+ | |-valign="top" | ||
+ | |Automated reduction in isoprene scheme | ||
+ | |Dan Westervelt (Lamont-Doherty) | ||
+ | |Aerosols | ||
+ | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Brown carbon chemsitry |
− | | | + | |Jingqiu Mao (U. Alaska)<br>Xuan Wang (CUHK) |
+ | |Aerosols | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |GEOS resolution and subgrid convection - Part 2 RAS parameter tuning |
− | | | + | |Tailong He (Toronto)<br>Dylan Jones (Toronto)<br>Andrea Molod (NASA GMAO) |
+ | |Convection | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |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 | ||
|-valign="top" | |-valign="top" | ||
− | |Updated | + | |Updated biomass burning emission factors and species |
− | | | + | |Tess Carter (MIT) |
+ | |Emissions | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Updated offline sea salt emissions |
− | | | + | |Hongjian Weng (PKU) <br> Jintai Lin (PKU) |
+ | |Emissions | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |[https://gmd.copernicus.org/articles/13/2569/2020/ Canopy Physics Model] |
− | | | + | |Sam Silva (MIT) |
+ | |Emissions &<br>Science | ||
| | | | ||
+ | *DOI: [https://zenodo.org/record/3614062#.XzvrH5NKjOR 10.5281/zenodo.3614062] | ||
+ | *Needs to be updated to a more recent GEOS-Chem version | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Assessment/improvement of OpenMP performance in GC-Classic and HEMCO standalone |
− | | | + | |Bob Yantosca (Harvard) |
+ | |Model performance | ||
| | | | ||
+ | *Ongoing (will be done as time allows) | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Retire all BPCH diagnostics |
− | | | + | |Bob Yantosca (Harvard) |
+ | |Diagnostics | ||
| | | | ||
+ | *Can be done following the [https://github.com/geoschem/geos-chem/pull/1569 TOMAS update for GCHP] | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Assess memory leak in GCHP |
− | | | + | |Killian Murphy (York) |
+ | |Model performance | ||
| | | | ||
+ | *NOTE: Most memory leaks in GCHP have been fixed by [https://github.com/geoschem/geos-chem/pull/1353 geoschem/geos-chem PR #1353]. Need to assess if any memory leaks still remain. | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Hybrid MPI-OpenMP in GCHP |
− | | | + | |Seb Eastham (MIT)<br>Killian Murphy (York) |
+ | |Model performance | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Improve run directory templating and creation with init_rd.sh and shared directories |
− | | | + | |Jourdan He (WashU) |
+ | |Run directories | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Table of CTM and online GCM properties: GCHP, GCC, GEOS-CTM, GC-Nested, online GEOS, GEOS-replay, etc |
− | | | + | |GCST? |
+ | |Documentation | ||
| | | | ||
+ | |||
+ | |} | ||
+ | |||
+ | == Over the horizon (6-12 months) == | ||
+ | |||
+ | Features listed in this table are in development and will likely be delivered to the GEOS-Chem Support Team in the 6-12 months timeframe. | ||
+ | |||
+ | {| 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" | |-valign="top" | ||
− | | | + | |Snow / Icy Bromine |
− | | | + | |Becky Alexander (UW)<br>William Swanson (U. Alaska)<br>Shuting Zhai (UW) |
+ | |Chemistry | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Monoterpene oxidation scheme |
− | | | + | |Jessica Haskins (MIT) |
+ | |Chemistry | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Fire related VOCs including furans |
− | | | + | |Lu Hu (UMT)<br>Lixu Jin (UMT) |
+ | |Chemistry | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Extension of UCX into the mesosphere |
− | | | + | |Seb Eastham (MIT)<br>Eric Fleming (NASA) |
+ | |Chemistry | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Methane flux ingestion |
− | | | + | |Eloise Marais (UCL) |
+ | |Chemistry | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Dust non-sphericity impacts on surface chem and optical properties |
− | | | + | |Inderjeet Singh (WashU) |
+ | |Aerosols | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Size-resolved stratospheric aerosol |
− | | | + | |Seb Eastham (MIT) |
+ | |Aerosols | ||
| | | | ||
− | | | + | |-valign="top" |
− | + | |Extend aerosol settling | |
− | - | + | |Eloise Marais (UCL) |
− | + | |Aerosols | |
− | + | | | |
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Stratospheric aerosol APM |
− | | | + | |Fangqun Yu (SUNY) |
+ | |Aerosols | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Plume-in-grid model |
− | | | + | |Hongwei Sun (Harvard) |
+ | |Chemistry | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Updated lightning NOx: Prescribe from ground and geostationary lightning flashes |
− | |Lee Murray ( | + | |Lee Murray (Rochester) |
+ | |Emissions | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Seb aircraft emissions beyond recent 2019 update |
− | | | + | |Seb Eastham (MIT) |
+ | |Emissions | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |FRP-based fire emsisions for eastern US at 0.2 deg |
− | | | + | |Charlie Fite (FSU) |
+ | |Emissions | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Hg iodine chemistry |
− | | | + | |Yiming Fu<br>Yanxu Zhang (Nanjing U.) |
+ | |Hg simulation | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Hg simulation in GCHP |
− | | | + | |Ari Feinberg (MIT)<br>Lyssa Freese (MIT) |
+ | |Hg simulation | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Update Hg ocean and soil boundary conditions for consistency with new chemistry |
− | | | + | |Yanxu Zhang (Nanjing U.) |
+ | |Hg simulation | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Dry deposition diagnostics by land cover |
− | | | + | |Holly Nowell (FSU) |
+ | |Diagnostics | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Dry deposition process diagnostics |
− | | | + | |Holly Nowell (FSU) |
+ | |Diagnostics | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Isotope simulation for CO and CH4 in GCHP |
− | | | + | |Lee Murray (Rochester) |
+ | |Carbon simulation | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Updated bottom-up global CH4 oil, gas, and coal emissions (GFEI v3) |
− | | | + | |Melissa Sulprizio (Harvard)<br>Tia Scarpelli (U. Edinburgh)<br>Zichong Chen (Harvard) |
+ | |Emissions<br>CH4 simulation | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Modularization of aerosols code for interface with GOCART in GEOS |
− | | | + | |Christoph Keller (GMAO) |
+ | |Structural | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Improve load balancing in GCHP |
− | | | + | |Seb Eastham (MIT) |
+ | |Model performance | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Testing the use of monthly mean MERRA-2 CWC with Pb-210 aerosol tracer |
− | | | + | |Bo Zhang (NIA)<br>Hongyu Liu (NIA / NASA Langley) |
+ | |Transport | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Testing the use of a new scavenging parameterization developed by Luo and Yu for cold cloud with Pb-210 aerosol tracer |
− | | | + | |Gan Luo (SUNY Albany)<br>Fangqun Yu (SUNY-Albany) |
+ | |Transport | ||
| | | | ||
− | |- | + | |-valign="top" |
− | | | + | |Evaluate vertical mixing in GEOS-Chem with model-model and model-observation comparisons |
− | + | |Seb Eastham (MIT)<br>Clara Orbe (NASA GISS)<br>Andrew Schuh (CSU) | |
+ | |Transport | ||
| | | | ||
|} | |} | ||
− | - | + | == 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 | {| border=1 cellspacing=0 cellpadding=5 | ||
|- bgcolor="#cccccc" | |- bgcolor="#cccccc" | ||
− | !width=" | + | !width="200px"|Feature |
− | !width=" | + | !width="200px"|Contributor(s) |
− | !width=" | + | !width="100px"|Model scope |
+ | !width="420px"|Notes and References | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Updates to Aromatic chemistry |
− | | | + | |Stephen MacFarlane (UOW)<br>Jenny Fisher (UOW) |
+ | |Chemistry | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Nitrate photolysis |
− | | | + | |Mat Evans (York)<br>Thomas Sherwen (York)<br>Matthew Rowlinson (York) |
+ | |Chemistry | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |In aerosol chemistry Halogens |
− | | | + | |Mat Evans (York)<br>Hansen Cao (CU Boulder) |
+ | |Chemistry | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Benchmark box model of GC Chemistry |
− | | | + | |Katie Travis (NASA) |
+ | |Chemistry | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Alkyl nitrates Alk7, PHAN |
− | | | + | |Katie Travis (NASA) |
+ | |Chemistry | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Add stratospheric ozone species to full-chemistry simulations |
− | | | + | |Lee Murray (Rochester) |
+ | |Chemistry | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Perchlorate chemistry |
− | | | + | |Yuk Chun Chan (UWAB) |
+ | |Chemistry | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Explicit heterogeneous sulfate chemistry |
− | | | + | |Katie Travis (NASA)<br>Becky Alexander (UT) |
+ | |Chemistry | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |HOx and ozone "emissions" from lightning as option in model to play with |
− | | | + | |Jingqiu (Alaska)<br>Lee Murray (Rochester) |
+ | |Emissions | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Sea salt aerosol from sea ice leads |
− | | | + | |Hannah Horowitz (U. Illinois) |
+ | |Emissions | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Drought-stress algorithm |
− | | | + | |Wei Li (U. Houston) |
| | | | ||
− | |||
− | |||
− | |||
− | |||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Biomass burning injection height profiles |
− | | | + | |Inderjeet Singh (WashU) |
+ | |Emissions | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |OCIM integration |
− | | | + | |Chris Holmes (FSU)<br>Lee Murray (Rochester) |
| | | | ||
− | |||
− | |||
− | |||
− | |||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Updating landcover products in GEOS-Chem |
− | | | + | |Chris Holmes (FSU)<br>Jeff Geddes (BU) |
+ | |Input data | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |Dry deposition physical improvement |
− | | | + | |Chris Holmes (FSU) |
+ | |Dry deposition | ||
| | | | ||
|-valign="top" | |-valign="top" | ||
− | | | + | |TOMAS WRF-GC in regional Thailand simulation |
− | | | + | |Win Trivitayanurak (Chulalongkorn U) |
− | | | + | |Aerosols |
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
| | | | ||
|} | |} | ||
− | |||
− |
Revision as of 20:02, 16 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.
Contents
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 |
---|---|---|---|---|
KORUS-AQ emissions for East Asia (as an option) | Katie Travis (NASA) | Emissions | Simple | |
Global continental chlorine (pCl and HCl) emissions | Bingqing Zhang (Georgia Tech) Pengfei Liu (Georgia Tech) |
Emissions | Simple | |
Parameterization of SNA and OM dry size | Haihui Zhu (WashU) | Aerosols | Medium | |
New soil NOx parameterization | Yi Wang (U. Iowa) Jun Wang (U. Iowa) |
Emissions | Medium |
|
Remove differences in GC-Classic due to HEMCO reading REAL8 restart as REAL4 | Lizzie Lundgren (Harvard) | GC-Classic | Medium | |
Replace ISORROPIA with HETPv1.0 | Lizzie Lundgren (Harvard) Seb Eastham (ICL) |
Aerosol thermodynamics | Medium | |
Only convert units for species that need it | Bob Yantosca (Harvard) | Unit conversions | Medium | |
Capture all trop and PBL height changes in budget diagnostics | Chris Holmes (FSU) Lizzie Lundgren (Harvard) |
Diagnostics | Medium |
Prioritized and in the queue
Features listed in this table are prioritized for integration into GEOS-Chem in the near future.
Feature | Contributor(s) | Model scope | Ease of implementation | Delivery status | Notes and References |
---|---|---|---|---|---|
Online H2 chemistry | Maria Paula Pérez-Peña (UNSW) Jenny Fisher (UOW) Dylan Millet (UMN) |
Chemistry | TBD | Delivered June 2023 |
|
ALK4 & R4N2 chemistry | Jared Brewer (UMN) | Chemistry | TBD | Not delivered | |
Mass flux regridding fix in MAPL | Tom Clune (GMAO) Seb Eastham (MIT) |
GCHP input regridding | Medium |
| |
New version of CEDS at 0.1 deg | Dandan Zhang (WashU) | Emissions | Simple | Delivered |
|
Ready to go in
Features listed in this table are ready to go in but have either not been delivered or are not yet prioritized for integration into GEOS-Chem.
Feature | Contributor(s) | Model scope | Delivery status | Notes and References |
---|---|---|---|---|
Geologic emission of ethane and propane | Matthew Rowlinson and Mat Evans(York) | Emissions | Delivered Jan 2023 |
|
Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange | Joey Lam(CUHK) Amos Tai (CUHK) |
Science | Delivered Feb 2021 |
|
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 |
|
MEIC (China regional) for 2000-2017 at 0.5x0.625 deg | Shixian Zhai (Harvard) | Emissions | Delivered |
|
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 |
|
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 |
|
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 |
|
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 |
|
Assessment/improvement of OpenMP performance in GC-Classic and HEMCO standalone | Bob Yantosca (Harvard) | Model performance |
|
Retire all BPCH diagnostics | Bob Yantosca (Harvard) | Diagnostics |
|
Assess memory leak in GCHP | Killian Murphy (York) | Model performance |
|
Hybrid MPI-OpenMP in GCHP | Seb Eastham (MIT) Killian Murphy (York) |
Model performance | |
Improve run directory templating and creation with init_rd.sh and shared directories | Jourdan He (WashU) | Run directories | |
Table of CTM and online GCM properties: GCHP, GCC, GEOS-CTM, GC-Nested, online GEOS, GEOS-replay, etc | GCST? | Documentation |
Over the horizon (6-12 months)
Features listed in this table are in development and will likely be delivered to the GEOS-Chem Support Team in the 6-12 months timeframe.
Feature | Contributor(s) | Model scope | 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 |
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 | Notes and References |
---|---|---|---|
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 |