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. This list is continuously updated based on code readiness and input from the Working Groups and the Steering Committee.
 
On this page we list the current priorities for GEOS-Chem development. This list is continuously updated based on code readiness and input from the Working Groups and the Steering Committee.
  
−
== GEOS-Chem versions in development ==
+
== Merged and awaiting release ==
  
−
=== 13.2.0 ===
+
{| border=1 cellspacing=0 cellpadding=5
 +
|-bgcolor="#CCCCCC"
 +
!width="500px"|Feature
 +
!width="200px"|Contributor(s)
 +
!width="100px"|Model scope
 +
!width="300px"|Notes
  
−
<span style="color:darkorange">'''See the [[GEOS-Chem 13.2.0]] page for more details.'''''</span>
+
|-valign="top"
 +
|
 +
|
 +
|
 +
|
  
−
== Priorities assigned to upcoming GEOS-Chem versions ==
+
|}
  
−
=== Previously scheduled for 13.2.0 ===
+
 
 +
== Feature integration in progress ==
  
 
{| border=1 cellspacing=0 cellpadding=5  
 
{| border=1 cellspacing=0 cellpadding=5  
 
|-bgcolor="#CCCCCC"
 
|-bgcolor="#CCCCCC"
 
!width="500px"|Feature
 
!width="500px"|Feature
−
!width="200px"|Submitted by
+
!width="200px"|Contributor(s)
−
!width="100px"|Type
+
!width="100px"|Model scope
−
!width="300px"|Notes
+
!width="100px"|East of implementation
 +
!width="200px"|Notes
 +
 
 +
|-valign="top"
 +
!colspan="4" bgcolor="#CCFFFF"|Updates that will affect full-chemistry simulations
 +
 
 +
|-valign="top"
 +
|[https://github.com/geoschem/geos-chem/issues/547 Update US emissions to NEI2016]
 +
|Barron Henderson (EPA)<br>Lyssa Freese (MIT)
 +
|Emissions
 +
|
 +
|
 +
*Files available at [ftp://newftp.epa.gov/Air/aqmg/global/NEI2016fh/ this ftp site]. Barron writes, "They have not yet been used in a publication, so I caution users to look for anything and report back."
 +
 
 +
|-valign="top"
 +
|[https://data.pnnl.gov/dataset/CEDS-4-21-21 CEDS v2 emissions through 2019]
 +
|Patrick Campbell (NOAA-ARL)
 +
|Emissions
 +
|
 +
|
 +
 
 +
|-valign="top"
 +
|[http://globalchange.bnu.edu.cn/research/laiv6 Updated Yuan/BNU MODIS LAI product (2000-2019)]
 +
|Jenny Fisher (U. Wollongong)
 +
|Emissions, Dry deposition
 +
|
 +
|
 +
*Processing scripts delivered to GCST (Aug 2020)
 +
 
 +
|}
 +
 
 +
== Feature integration in the queue ==
 +
 
 +
{| border=1 cellspacing=0 cellpadding=5
 +
|-bgcolor="#CCCCCC"
 +
!width="500px"|Feature
 +
!width="200px"|Contributor(s)
 +
!width="100px"|Model scope
 +
!width="100px"|East of implementation
 +
!width="200px"|Notes
  
 
|-valign="top"
 
|-valign="top"
Line 24: Line 73:
 
|Sam Silva (MIT)
 
|Sam Silva (MIT)
 
|Science
 
|Science
 +
|
 
|
 
|
  
Line 29: Line 79:
 
|[https://gmd.copernicus.org/preprints/gmd-2020-380/ Dust emissions from Meng et al. (in review)]
 
|[https://gmd.copernicus.org/preprints/gmd-2020-380/ Dust emissions from Meng et al. (in review)]
 
|Jun Meng (WUStL)
 
|Jun Meng (WUStL)
−
|Science
+
|Emissions
 +
|
 
|
 
|
  
Line 35: Line 86:
 
|[https://gmd.copernicus.org/articles/13/2879/2020/ Improved wet scavenging from Luo et al. (2020)] (as option)
 
|[https://gmd.copernicus.org/articles/13/2879/2020/ Improved wet scavenging from Luo et al. (2020)] (as option)
 
|Gan Luo (Albany)<br>Fangqun Yu (Albany)
 
|Gan Luo (Albany)<br>Fangqun Yu (Albany)
−
|Science
+
|Wet deposition
 +
|
 
|
 
|
 
*Delivered to GCST (Nov 2020)
 
*Delivered to GCST (Nov 2020)
Line 44: Line 96:
 
|[https://acp.copernicus.org/articles/21/1861/2021/ Updated Rn-222 emissions]
 
|[https://acp.copernicus.org/articles/21/1861/2021/ Updated Rn-222 emissions]
 
|Bo Zhang
 
|Bo Zhang
−
|Science
+
|Emissions
 +
|
 
|
 
|
 
*The existing Rn emissions will remain as an option
 
*The existing Rn emissions will remain as an option
Line 51: Line 104:
 
|-valign="top"
 
|-valign="top"
 
|[[Grid-independent_emissions|Updated offline emissions]]
 
|[[Grid-independent_emissions|Updated offline emissions]]
 +
|Yanshun Li (WUStL)<br>Hongjian Weng (PKU)
 +
|Emissions
 
|
 
|
−
|Science
 
 
|
 
|
  
Line 58: Line 112:
 
|Provide recommended rather than hard-coded scaling factors for online emissions
 
|Provide recommended rather than hard-coded scaling factors for online emissions
 
|GCST
 
|GCST
−
|Science
+
|Emissions
 +
|
 
|
 
|
  
Line 64: Line 119:
 
|[https://github.com/geoschem/geos-chem/issues/331 Provide climatologies for lightning NOx, volcano, and open fire emissions]
 
|[https://github.com/geoschem/geos-chem/issues/331 Provide climatologies for lightning NOx, volcano, and open fire emissions]
 
|GCST
 
|GCST
−
|Science
+
|Emissions
 +
|
 
|
 
|
  
Line 70: Line 126:
 
|[https://www.sciencedirect.com/science/article/abs/pii/S1352231019305138?via%3Dihub Trace metal simulation]
 
|[https://www.sciencedirect.com/science/article/abs/pii/S1352231019305138?via%3Dihub Trace metal simulation]
 
|Junwei Xu (Dalhousie)
 
|Junwei Xu (Dalhousie)
−
|Science
+
|Specialty simulation
 +
|
 
|
 
|
 
*Delivered to GCST (Nov 2020)
 
*Delivered to GCST (Nov 2020)
 
*See [https://github.com/geoschem/geos-chem/pull/511 geoschem/geos-chem PR #511]
 
*See [https://github.com/geoschem/geos-chem/pull/511 geoschem/geos-chem PR #511]
−
 
−
|-
 
−
!colspan="4" bgcolor="#CCFFFF"|Features only affecting GCHP:
 
−
 
−
|-valign="top"
 
−
|Change GCHP advection inputs to use total pressure and mixing ratio rather than dry
 
−
|Sebastian Eastham (MIT)
 
−
|Science
 
−
|
 
−
 
−
|-valign="top"
 
−
|Add capability to read mass fluxes for use in advection
 
−
|Sebastian Eastham (MIT)
 
−
|Structural
 
−
|
 
−
 
−
|}
 
−
 
−
=== 13.3.0 ===
 
−
 
−
See also the [https://github.com/geoschem/geos-chem/milestone/19 13.3.0 milestone on Github].
 
−
 
−
This version will require a 1-month and 1-year full-chemistry benchmarks, with and without the adaptive chemical solver.
 
−
 
−
{| border=1 cellspacing=0 cellpadding=5
 
−
|-bgcolor="#CCCCCC"
 
−
!width="500px"|Feature
 
−
!width="200px"|Submitted by
 
−
!width="100px"|Type
 
−
!width="300px"|Notes
 
  
 
|-valign="top"
 
|-valign="top"
 
|[https://github.com/geoschem/geos-chem/issues/560 C2H4 and C2H2 chemistry]
 
|[https://github.com/geoschem/geos-chem/issues/560 C2H4 and C2H2 chemistry]
 
|Kelvin Bates (Harvard)<br>Ke Li (Harvard)
 
|Kelvin Bates (Harvard)<br>Ke Li (Harvard)
−
|Science
+
|Chemistry
 +
|
 
|
 
|
  
Line 114: Line 142:
 
|[http://acmg.seas.harvard.edu/publications/2020/moch_2020_hms_global.pdf HMS chemistry]
 
|[http://acmg.seas.harvard.edu/publications/2020/moch_2020_hms_global.pdf HMS chemistry]
 
|Jonathan Moch (Harvard)
 
|Jonathan Moch (Harvard)
−
|Science
+
|Chemistry
 +
|
 
|
 
|
 
*Delivered to GCST (Sep 2020)
 
*Delivered to GCST (Sep 2020)
Line 122: Line 151:
 
|[https://acp.copernicus.org/articles/17/3699/2017/ Blowing snow emissions of sea salt and sea salt bromide]
 
|[https://acp.copernicus.org/articles/17/3699/2017/ Blowing snow emissions of sea salt and sea salt bromide]
 
|Lyatt Jaegle (UW)
 
|Lyatt Jaegle (UW)
−
|Science
+
|Emissions
 +
|
 
|
 
|
 
*Delivered to GCST (Jun 2020)
 
*Delivered to GCST (Jun 2020)
Line 130: Line 160:
 
|[https://www.pnas.org/content/117/42/26076 Updated aerosol dry deposition]
 
|[https://www.pnas.org/content/117/42/26076 Updated aerosol dry deposition]
 
|Jeff Pierce (CSU)
 
|Jeff Pierce (CSU)
−
|Science
+
|Dry deposition
 +
|
 
|
 
|
 
*See [https://github.com/geoschem/geos-chem/issues/604 geoschem/geos-chem #604]
 
*See [https://github.com/geoschem/geos-chem/issues/604 geoschem/geos-chem #604]
Line 137: Line 168:
 
|[https://gmd.copernicus.org/articles/13/2475/2020/gmd-13-2475-2020.pdf Adaptive chemical solver] (as option)
 
|[https://gmd.copernicus.org/articles/13/2475/2020/gmd-13-2475-2020.pdf Adaptive chemical solver] (as option)
 
|Lu Shen (Harvard)
 
|Lu Shen (Harvard)
−
|Science
+
|Chemistry
 +
|
 
|
 
|
  
 
|-valign="top"
 
|-valign="top"
 
|[https://acp.copernicus.org/articles/19/7055/2019/ Joint CO2-CO-CH4-OCS simulation]
 
|[https://acp.copernicus.org/articles/19/7055/2019/ Joint CO2-CO-CH4-OCS simulation]
−
|Beata Bukosa (NIWA)<br>GCST
+
|Beata Bukosa (NIWA)<br>Kevin Bowman (JPL)
−
|Science
+
|Specialty simulation
 +
|
 
|
 
|
 
*See [https://github.com/geoschem/geos-chem/issues/654 geoschem/geos-chem #654]
 
*See [https://github.com/geoschem/geos-chem/issues/654 geoschem/geos-chem #654]
  
−
|}
+
|-
 +
!colspan="4" bgcolor="#CCFFFF"|Features only affecting GCHP:
 +
 
 +
|-valign="top"
 +
|Change GCHP advection inputs to use total pressure and mixing ratio rather than dry
 +
|Sebastian Eastham (MIT)
 +
|Transport
 +
|
 +
|
  
−
== Priorities not yet assigned to a particular version ==
+
|-valign="top"
 +
|Add capability to read mass fluxes for use in advection
 +
|Sebastian Eastham (MIT)
 +
|Input data, Transport
 +
|
 +
|
  
−
The following items have been identified as priorities for GEOS-Chem, but have not yet been assigned to a particular GEOS-Chem version.
+
|}
 +
 
 +
== Feature integration not yet prioritized ==
  
−
=== Ready to go in ===
 
  
 
{| border=1 cellspacing=0 cellpadding=5  
 
{| border=1 cellspacing=0 cellpadding=5  
 
|-bgcolor="#CCCCCC"
 
|-bgcolor="#CCCCCC"
 
!width="500px"|Feature
 
!width="500px"|Feature
−
!width="200px"|Submitted by
+
!width="200px"|Contributor(s)
−
!width="100px"|Type
+
!width="100px"|Model scope
−
!width="300px"|Notes
+
!width="100px"|Ease of implementation
−
 
+
!width="200px"|Notes
  
 
|-valign="top"
 
|-valign="top"
 
|[https://github.com/geoschem/geos-chem/issues/559 Implement H2 chemistry in UCX]
 
|[https://github.com/geoschem/geos-chem/issues/559 Implement H2 chemistry in UCX]
 
|Chris Holmes (FSU)
 
|Chris Holmes (FSU)
−
|Science
+
|Chemistry'
 +
|
 
|
 
|
  
Line 172: Line 220:
 
|[https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/2006GL026015 Stratospheric HCN chemistry]
 
|[https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/2006GL026015 Stratospheric HCN chemistry]
 
|Armin Kleinbohl (JPL)<br>Debra Weisenstein (Harvard, retired)
 
|Armin Kleinbohl (JPL)<br>Debra Weisenstein (Harvard, retired)
−
|Science
+
|Chemistry
 +
|
 
|
 
|
 
*Delivered to GCST (Jun 2020)
 
*Delivered to GCST (Jun 2020)
Line 179: Line 228:
 
|[https://gmd.copernicus.org/articles/13/2569/2020/ MEGAN3]
 
|[https://gmd.copernicus.org/articles/13/2569/2020/ MEGAN3]
 
|Sam Silva (MIT)
 
|Sam Silva (MIT)
−
|Science
+
|Emissions
 +
|
 
|
 
|
 
*Implementation details may be found at https://zenodo.org/record/3614062#.XzvrH5NKjOR
 
*Implementation details may be found at https://zenodo.org/record/3614062#.XzvrH5NKjOR
Line 187: Line 237:
 
|Xu Yue (NUIST)
 
|Xu Yue (NUIST)
 
|Science
 
|Science
 +
|
 
|
 
|
 
*See [https://github.com/geoschem/geos-chem/issues/425 geoschem/geos-chem #425]
 
*See [https://github.com/geoschem/geos-chem/issues/425 geoschem/geos-chem #425]
Line 194: Line 245:
 
|Joey Lam(CUHK)<br>Amos Tai (CUHK)
 
|Joey Lam(CUHK)<br>Amos Tai (CUHK)
 
|Science
 
|Science
 +
|
 
|
 
|
 
*Delivered to GCST (Feb 2021)
 
*Delivered to GCST (Feb 2021)
Line 201: Line 253:
 
|[[Stratospheric_chemistry#Treatment_of_the_mesosphere_in_UCX_simulations|Extend UCX into the mesosphere]]
 
|[[Stratospheric_chemistry#Treatment_of_the_mesosphere_in_UCX_simulations|Extend UCX into the mesosphere]]
 
|Sebastian Eastham (MIT)<br>Eric Fleming (NASA GMAO)
 
|Sebastian Eastham (MIT)<br>Eric Fleming (NASA GMAO)
−
|Science
+
|Chemistry
 +
|
 
|
 
|
−
 
  
 
|-valign="top"
 
|-valign="top"
 
|Archived CMIP6 Met Products for GEOS-Chem Input
 
|Archived CMIP6 Met Products for GEOS-Chem Input
 
|Lee Murray (Rochester)
 
|Lee Murray (Rochester)
−
|Science
+
|Input data
 +
|
 
|
 
|
 
*See updates from [http://acmg.seas.harvard.edu/geos/word_pdf_docs/steering_cmte/gc_sc_minutes_24Feb2021.pdf Feb 2021 GCSC meeting]
 
*See updates from [http://acmg.seas.harvard.edu/geos/word_pdf_docs/steering_cmte/gc_sc_minutes_24Feb2021.pdf Feb 2021 GCSC meeting]
Line 216: Line 269:
 
|[http://acmg.seas.harvard.edu/publications/2021/shah_est_2021.pdf Updated Hg chemistry]
 
|[http://acmg.seas.harvard.edu/publications/2021/shah_est_2021.pdf Updated Hg chemistry]
 
|Viral Shah (Harvard)<br>Colin Thackray (Harvard)
 
|Viral Shah (Harvard)<br>Colin Thackray (Harvard)
−
|Science
+
|Chemistry
 +
|
 +
|
 +
 
 +
|-valign="top"
 +
|Landcover/Fire Emissions Offline LPJlmfire
 +
|Loretta Mickley (Harvard)<br>Yang Li (Harvard)
 +
|Emissions
 +
|
 
|
 
|
  
 
|}
 
|}
  
−
=== Almost there (< 6 months) ===
+
== Almost there (< 6 months) ==
  
 
{| border=1 cellspacing=0 cellpadding=5
 
{| border=1 cellspacing=0 cellpadding=5
 
|- bgcolor="#cccccc"
 
|- bgcolor="#cccccc"
−
!width="500px"|Item
+
!width="500px"|Feature
−
!width="200px"|Author(s)
+
!width="200px"|Contributor(s)
−
!width="100px"|Type
+
!width="100px"|Model scope
 
!width="300px"|Notes
 
!width="300px"|Notes
  
Line 233: Line 294:
 
|Diagnostic to archive XCO2, XCO, and XCH4
 
|Diagnostic to archive XCO2, XCO, and XCH4
 
|Dylan Jones (Toronto)
 
|Dylan Jones (Toronto)
−
|Science
+
|Diagnostic
 
|
 
|
  
Line 239: Line 300:
 
|Provide archived TCR-2 GEOS-Chem OH fields for carbon simulations
 
|Provide archived TCR-2 GEOS-Chem OH fields for carbon simulations
 
|Kazu Miyazaki (JPL)
 
|Kazu Miyazaki (JPL)
−
|Science
+
|Input data
 
|
 
|
  
Line 245: Line 306:
 
|Aromatic VOC chemistry
 
|Aromatic VOC chemistry
 
|Kelvin Bates (Harvard)<br>Ke Li (Harvard)
 
|Kelvin Bates (Harvard)<br>Ke Li (Harvard)
−
|Science
+
|Chemistry
 
|
 
|
  
Line 251: Line 312:
 
|BrC aging
 
|BrC aging
 
|Xuan Wang (Harvard)<br>Melanie Hammer(Dalhousie)
 
|Xuan Wang (Harvard)<br>Melanie Hammer(Dalhousie)
−
|Science
+
|Chemistry
 
|
 
|
  
Line 257: Line 318:
 
|Shared Socioeconomic Pathways Emission Inventories
 
|Shared Socioeconomic Pathways Emission Inventories
 
|Hong Liao (NUIST)
 
|Hong Liao (NUIST)
−
|Science
+
|Emissions
 
|
 
|
  
Line 264: Line 325:
 
|Rediagnosis of RAS convection in GEOS-Chem
 
|Rediagnosis of RAS convection in GEOS-Chem
 
|Tailong He (Toronto)<br>Dylan Jones (Toronto)<br>Andrea Molod (NASA/GMAO)
 
|Tailong He (Toronto)<br>Dylan Jones (Toronto)<br>Andrea Molod (NASA/GMAO)
−
|Science
+
|Convection
 
|
 
|
 
*Work is finished and a manuscript is in preparation.  
 
*Work is finished and a manuscript is in preparation.  
Line 271: Line 332:
 
|Read-in of native GEOS output in GCHP
 
|Read-in of native GEOS output in GCHP
 
|WUStL GCST
 
|WUStL GCST
−
|Science
+
|Input data
 
|
 
|
  
Line 282: Line 343:
 
|}
 
|}
  
−
=== Over the horizon (6-12 months) ===
+
== Over the horizon (6-12 months) ==
  
 
{| border=1 cellspacing=0 cellpadding=5
 
{| border=1 cellspacing=0 cellpadding=5
 
|- bgcolor="#cccccc"
 
|- bgcolor="#cccccc"
−
!width="500px"|Item
+
!width="500px"|Feature
−
!width="200px"|Author(s)
+
!width="200px"|Contributor(s)
−
!width="100px"|Type
+
!width="100px"|Model scope
 
!width="300px"|Notes
 
!width="300px"|Notes
−
 
−
|-valign="top"
 
−
|Update OCS simulation in the standard code
 
−
|Kevin Bowman (JPL)
 
−
|Science
 
−
|
 
  
 
|-valign="top"
 
|-valign="top"
 
|Methylethylketone chemistry
 
|Methylethylketone chemistry
 
|Jared Brewer (CSU)
 
|Jared Brewer (CSU)
−
|Science
+
|Chemistry
 
|
 
|
  
Line 306: Line 361:
 
|Add sulfate dependence to SOA yield from isoprene in simple SOA
 
|Add sulfate dependence to SOA yield from isoprene in simple SOA
 
|Eloise Marais (Leicester)
 
|Eloise Marais (Leicester)
−
|Science
+
|Chemistry
 
|
 
|
  
Line 312: Line 367:
 
|GTMM updates
 
|GTMM updates
 
|Ben Geyman (Harvard)
 
|Ben Geyman (Harvard)
−
|Science
+
|Hg simulation
 
|
 
|
  
−
|-valign="top"
 
−
|Landcover/Fire Emissions Offline LPJlmfire
 
−
|Loretta Mickley (Harvard)
 
−
|Science
 
−
|
 
−
 
−
|-valign="top"
 
−
|[https://www.pnas.org/content/117/42/26076 Aerosol dry deposition updates]
 
−
|Jeff Pierce (CSU)
 
−
|Science
 
−
|
 
  
 
|-valign="top"
 
|-valign="top"
 
|[https://github.com/geoschem/GCHP/issues/19 Integrating GMAO's tracer gridded component in GCHP]
 
|[https://github.com/geoschem/GCHP/issues/19 Integrating GMAO's tracer gridded component in GCHP]
 
|Christoph Keller (NASA GMAO)
 
|Christoph Keller (NASA GMAO)
−
|Structural
+
|Transport Tracer simulation
 
|
 
|
−
 
−
|-valign="top"
 
−
|Mass flux-based transport in GCHP
 
−
|Sebastian Eastham (MIT)
 
−
|Science
 
 
|
 
|
  
Line 342: Line 381:
 
|Streamlining of specialty simulations through HEMCO and KPP
 
|Streamlining of specialty simulations through HEMCO and KPP
 
|GCST
 
|GCST
−
|Science
+
|Chemistry, Specialty simulations
 
|
 
|
  
Line 351: Line 390:
 
{| border=1 cellspacing=0 cellpadding=5
 
{| border=1 cellspacing=0 cellpadding=5
 
|- bgcolor="#cccccc"
 
|- bgcolor="#cccccc"
−
!width="500px"|Item
+
!width="500px"|Feature
−
!width="200px"|Author(s)
+
!width="200px"|Contributor(s)
−
!width="100px"|Type
+
!width="100px"|Model scope
 
!width="300px"|Notes
 
!width="300px"|Notes
  
Line 359: Line 398:
 
|GCHP Adjoint
 
|GCHP Adjoint
 
|Daven Henze (CU Boulder)
 
|Daven Henze (CU Boulder)
−
|Science
+
|Structural
 
|
 
|
  
Line 365: Line 404:
 
|Implement isotope simulation for CO and CH4 in GCHP
 
|Implement isotope simulation for CO and CH4 in GCHP
 
|Lee Murray (Rochester)
 
|Lee Murray (Rochester)
−
|Science
+
|Specialty simulation
 
|
 
|
  
Line 371: Line 410:
 
|Migrate LETFK DA scheme to GCHP
 
|Migrate LETFK DA scheme to GCHP
 
|Kazu Miyazaki (JPL)
 
|Kazu Miyazaki (JPL)
−
|Science
+
|Structural
 
|
 
|
  
Line 377: Line 416:
 
|Super fast chemistry scheme  
 
|Super fast chemistry scheme  
 
|Benjamin Brown-Steiner (AER)<br>Makoto Kelp (Harvard)
 
|Benjamin Brown-Steiner (AER)<br>Makoto Kelp (Harvard)
−
|Science
+
|Chemistry
 
|
 
|
 
*SF mechanism has been implemented and benchmarked in GEOS-Chem 12.0.0. This mechanism is of interest for those groups wanting fast global simulation of oxidation fields in GEOS-Chem simulations focused on aerosol microphysics.  
 
*SF mechanism has been implemented and benchmarked in GEOS-Chem 12.0.0. This mechanism is of interest for those groups wanting fast global simulation of oxidation fields in GEOS-Chem simulations focused on aerosol microphysics.  
Line 385: Line 424:
 
|Add non-volatile cations to ISORROPIA
 
|Add non-volatile cations to ISORROPIA
 
|Becky Alexander (UW)
 
|Becky Alexander (UW)
−
|Science
+
|ISORROPIA
 
|
 
|
  
Line 391: Line 430:
 
|DMS oxidation scheme updating
 
|DMS oxidation scheme updating
 
|Becky Alexander (UW)<br>Qianjie Chen (UW)
 
|Becky Alexander (UW)<br>Qianjie Chen (UW)
−
|Science
+
|Chemistry
 
|
 
|
 
*Delayed - implemented pre-KPP
 
*Delayed - implemented pre-KPP
Line 399: Line 438:
 
|Heterogeneous sulfate production
 
|Heterogeneous sulfate production
 
|Lin Zhang (PKU)<br>Becky Alexander (UW)<br>Yuxuan Wang (U. Houston)
 
|Lin Zhang (PKU)<br>Becky Alexander (UW)<br>Yuxuan Wang (U. Houston)
−
|Science
+
|Chemistry
 
|
 
|
 
*Delayed - implemented pre-KPP
 
*Delayed - implemented pre-KPP
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|Hg in WRF-GC
 
|Hg in WRF-GC
 
|Yanxu Zhang (Nanjing)
 
|Yanxu Zhang (Nanjing)
−
|Science
+
|Hg simulation
 
|
 
|
  
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|Hg with blowing snow
 
|Hg with blowing snow
 
|Yanxu Xhang (Nanjing)
 
|Yanxu Xhang (Nanjing)
−
|Science
+
|Emissions, Hg simulation
 
|
 
|
  
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|Hg isotopes
 
|Hg isotopes
 
|Xiaotian Xu, Yanxu Xhang (Nanjing)
 
|Xiaotian Xu, Yanxu Xhang (Nanjing)
−
|Science
+
|Hg simulation
 
|
 
|
  
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|Hg in CESM CAM-CHEM
 
|Hg in CESM CAM-CHEM
 
|Peng Zhang, Yanxu Xhang (Nanjing)
 
|Peng Zhang, Yanxu Xhang (Nanjing)
−
|Science
+
|Hg simulation
 
|
 
|
  

Revision as of 22:03, 15 June 2021

GEOS-Chem 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 Working Groups and the Steering Committee.

Merged and awaiting release

Feature Contributor(s) Model scope Notes


Feature integration in progress

Feature Contributor(s) Model scope East of implementation Notes
Updates that will affect full-chemistry simulations
Update US emissions to NEI2016 Barron Henderson (EPA)
Lyssa Freese (MIT) 		Emissions
  • Files available at this ftp site. Barron writes, "They have not yet been used in a publication, so I caution users to look for anything and report back."
CEDS v2 emissions through 2019 Patrick Campbell (NOAA-ARL) Emissions
Updated Yuan/BNU MODIS LAI product (2000-2019) Jenny Fisher (U. Wollongong) Emissions, Dry deposition
  • Processing scripts delivered to GCST (Aug 2020)

Feature integration in the queue

Feature Contributor(s) Model scope East of implementation Notes
Canopy Physics Model Sam Silva (MIT) Science
Dust emissions from Meng et al. (in review) Jun Meng (WUStL) Emissions
Improved wet scavenging from Luo et al. (2020) (as option) Gan Luo (Albany)
Fangqun Yu (Albany) 		Wet deposition
Updated Rn-222 emissions Bo Zhang Emissions
Updated offline emissions Yanshun Li (WUStL)
Hongjian Weng (PKU) 		Emissions
Provide recommended rather than hard-coded scaling factors for online emissions GCST Emissions
Provide climatologies for lightning NOx, volcano, and open fire emissions GCST Emissions
Trace metal simulation Junwei Xu (Dalhousie) Specialty simulation
C2H4 and C2H2 chemistry Kelvin Bates (Harvard)
Ke Li (Harvard) 		Chemistry
HMS chemistry Jonathan Moch (Harvard) Chemistry
Blowing snow emissions of sea salt and sea salt bromide Lyatt Jaegle (UW) Emissions
Updated aerosol dry deposition Jeff Pierce (CSU) Dry deposition
Adaptive chemical solver (as option) Lu Shen (Harvard) Chemistry
Joint CO2-CO-CH4-OCS simulation Beata Bukosa (NIWA)
Kevin Bowman (JPL) 		Specialty simulation
Features only affecting GCHP:
Change GCHP advection inputs to use total pressure and mixing ratio rather than dry Sebastian Eastham (MIT) Transport
Add capability to read mass fluxes for use in advection Sebastian Eastham (MIT) Input data, Transport

Feature integration not yet prioritized

Feature Contributor(s) Model scope Ease of implementation Notes
Implement H2 chemistry in UCX Chris Holmes (FSU) Chemistry'
Stratospheric HCN chemistry Armin Kleinbohl (JPL)
Debra Weisenstein (Harvard, retired) 		Chemistry
  • Delivered to GCST (Jun 2020)
MEGAN3 Sam Silva (MIT) Emissions
GC-YIBs biosphere-atmospheric chemistry coupled model Xu Yue (NUIST) Science
Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange Joey Lam(CUHK)
Amos Tai (CUHK) 		Science
Extend UCX into the mesosphere Sebastian Eastham (MIT)
Eric Fleming (NASA GMAO) 		Chemistry
Archived CMIP6 Met Products for GEOS-Chem Input Lee Murray (Rochester) Input data
Updated Hg chemistry Viral Shah (Harvard)
Colin Thackray (Harvard) 		Chemistry
Landcover/Fire Emissions Offline LPJlmfire Loretta Mickley (Harvard)
Yang Li (Harvard) 		Emissions

Almost there (< 6 months)

Feature Contributor(s) Model scope Notes
Diagnostic to archive XCO2, XCO, and XCH4 Dylan Jones (Toronto) Diagnostic
Provide archived TCR-2 GEOS-Chem OH fields for carbon simulations Kazu Miyazaki (JPL) Input data
Aromatic VOC chemistry Kelvin Bates (Harvard)
Ke Li (Harvard) 		Chemistry
BrC aging Xuan Wang (Harvard)
Melanie Hammer(Dalhousie) 		Chemistry
Shared Socioeconomic Pathways Emission Inventories Hong Liao (NUIST) Emissions


Rediagnosis of RAS convection in GEOS-Chem Tailong He (Toronto)
Dylan Jones (Toronto)
Andrea Molod (NASA/GMAO) 		Convection
  • Work is finished and a manuscript is in preparation.
Read-in of native GEOS output in GCHP WUStL GCST Input data
Modularization of GEOS-Chem: FAST-JX as proof-of-concept Lizzie Lundgren (GCST) Structural

Over the horizon (6-12 months)

Feature Contributor(s) Model scope Notes
Methylethylketone chemistry Jared Brewer (CSU) Chemistry
Add sulfate dependence to SOA yield from isoprene in simple SOA Eloise Marais (Leicester) Chemistry
GTMM updates Ben Geyman (Harvard) Hg simulation


Integrating GMAO's tracer gridded component in GCHP Christoph Keller (NASA GMAO) Transport Tracer simulation
Streamlining of specialty simulations through HEMCO and KPP GCST Chemistry, Specialty simulations

Longer term (12-24 months)

Feature Contributor(s) Model scope Notes
GCHP Adjoint Daven Henze (CU Boulder) Structural
Implement isotope simulation for CO and CH4 in GCHP Lee Murray (Rochester) Specialty simulation
Migrate LETFK DA scheme to GCHP Kazu Miyazaki (JPL) Structural
Super fast chemistry scheme Benjamin Brown-Steiner (AER)
Makoto Kelp (Harvard) 		Chemistry
  • SF mechanism has been implemented and benchmarked in GEOS-Chem 12.0.0. This mechanism is of interest for those groups wanting fast global simulation of oxidation fields in GEOS-Chem simulations focused on aerosol microphysics.
  • The machine-learned chemical solver is still probably 12 months away from online implementation into GEOS-Chem.
Add non-volatile cations to ISORROPIA Becky Alexander (UW) ISORROPIA
DMS oxidation scheme updating Becky Alexander (UW)
Qianjie Chen (UW) 		Chemistry
  • Delayed - implemented pre-KPP
  • Currently bring implemented in KPP by UC Riverside group
Heterogeneous sulfate production Lin Zhang (PKU)
Becky Alexander (UW)
Yuxuan Wang (U. Houston) 		Chemistry
  • Delayed - implemented pre-KPP
Hg in WRF-GC Yanxu Zhang (Nanjing) Hg simulation
Hg with blowing snow Yanxu Xhang (Nanjing) Emissions, Hg simulation
Hg isotopes Xiaotian Xu, Yanxu Xhang (Nanjing) Hg simulation
Hg in CESM CAM-CHEM Peng Zhang, Yanxu Xhang (Nanjing) Hg simulation
Complex / multicomplex variables Shannon Capps (Drexel) Structural

GEOS-Chem Main Page | GCHP Main Page

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