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

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Revision as of 15:20, 6 June 2011

On

List of priorities identified at IGC5

This is a list of planned GEOS-Chem model development items, based on discussions and Working Group reports from the and 5th International GEOS-Chem Meeting (aka IGC5). The key model developer or model contact is identified for each item. Items are listed in rough order of decreasing readiness, although this can quickly change.

We count on user input to augment and prioritize this list, please contact your Working Group Chair or model scientist Daniel Jacob.

For immediate implementation (awaiting release)

Item Author(s) Status
APM aerosol microphysics Fangqun Yu (SUNY Albany) Will be included in v9-01-02
GFED3 biomass burning Prasad Kasibhatla (Duke) Will be included in v9-01-02
FAA/AEDT aircraft emissions inventory Steven Barrett et al (MIT) Will be included in v9-01-02
Aerosol deposition over snow/ice Jenny Fisher (Harvard) Will be included in v9-01-02
Seasonal variation of Asian NH3 emissions Jenny Fisher (Harvard) Will be included in v9-01-02
Cleanup of AOD diagnostics Sungshik Patrick Kim (Harvard) Will be included in v9-01-02
RETRO anthropogenic VOC emissions Dylan Millet (U. Minnesota) Will be included in v9-01-02

--Bob Y. 10:59, 6 June 2011 (EDT)

Ready to go in

Item Author(s) Status
Nested-grid Hg simulation Lyatt Jaeglé (U. Washington)
Nested-grid CO2 simulation Yuxuan Wang (Tsinghua U.)
Stratospheric P and k (monthly climatological) Lee Murray (Harvard)
Inorganic chemistry updates Mat Evans (Leeds)
GEIA 2005 Hg emissions Bess Corbitt (Harvard)
Expanded SOA Havala Pye (EPA/ORD)
Dust submicron size distribution for optics David Ridley (Colo. State)
FlexAOD postprocessor Gabriele Curci (U. L'Aquila) Completed on 26 May 2011
GEIA emissions scale factor fix Dylan Millet (U. Minnesota)
Longwave & shortwave RF codes for chemistry-climate Fangqun Yu (SUNY Albany)
Improved sea salt emission & deposition Lyatt Jaeglé (U. Washington) Code delivered to GCST, awaiting implementation
Improved snow scavenging and washout parameterization Qiaoqiao Wang (Harvard)

--Bob Y. 10:59, 6 June 2011 (EDT)

Almost there (< 6 months)

Item Author(s) Status
New soil NOx emission module Rynda Hudman (UC Berkeley) Code delivered to GEOS-Chem Support Team GCST, awaiting implementation
APM capability for nested grid Fangqun Yu (SUNY Albany)
TOMAS capability for nested grid Jeff Pierce (Dalhousie)
Fix of global OH diagnostic Mat Evans (Leeds)
Jingqiu Mao (NOAA/GFDL)
Chemical updates for atmospheric Hg Bess Corbitt (Harvard)
Jenny Fisher (Harvard)
Streets future Hg emissions Bess Corbitt (Harvard)
EPA/NEI2005 Hg emissions for US Lyatt Jaeglé (U. Washington)
Hg(II) gas-aerosol partitioning Helen Amos (Harvard)
Update to EDGAR 4 anthropogenic emissions Qiang Zhang (Tsinghua)
Updated diurnal variation of US NEI emissions Rynda Hudman (UC Berkeley)
Satellite-based NOx emission trends Lok Lamsal (NASA GSFC)
PARANOX ship plume emissions Geert Vinken (Eindhoven)
Interannual lightning Lee Murray (Harvard)
Primary marine OA emissions Kateryna Lapina (CSU)
Complete shift of biogenic VOC emissions from GEIA to MEGAN; retire GEIA Dylan Millet (U. Minnesota)
Update HCN simulation Qian Li (U. Edinburgh)
Dylan Jones (U. Toronto)
Implement GISS advection scheme for GISS-driven applications GEOS-Chem Support Team

--Bob Y. 11:10, 6 June 2011 (EDT)

Over the horizion (6-12 months)

Item Author(s) Status
Working with GEOS-5.7.3 GEOS-Chem Support Team
Nested-grid model at 0.25&deg x 0.3125&deg resolution Yuxuan Wang (Tsinghua)
High-resolution emissions for above nested-grid model Yuxuan Wang (Tsinghua)
Improved acetone simulation Emily Fischer (Harvard)
Tropospheric bromine chemistry Justin Parrella (Harvard)
OVOC's dry deposition Jingqiu Mao (NOAA/GFDL)
Improved planeflight diagnostic Mat Evans (Leeds)
Chemistry diagnostics Mat Evans (Leeds)
Documentation of chemical mechanism Jingqiu Mao (NOAA/GFDL)
Box model version of GEOS-Chem chemical mechanism Jingqiu Mao (NOAA/GFDL)
Improved operator splitting Mauricio Santillana (Harvard)
Updated dicarbonyl simulation May Fu (Peking U.)
3-D VOC source for tagged CO simulations Dylan Jones (U. Toronto)
Replace CASA CO2 biosphere climatology with year-specific fluxes Ray Nassar (Environment Canada)
Dylan Jones (U. Toronto)
Satellite diagnostic for XCO2 Liang Feng (U. Edinburgh)
Move to 2° x 2.5° versions of GISS GCM ModelE and Model3 Loretta Mickley (Harvard)
Implement IPCC AR5 scenarios Loretta Mickley (Harvard)
CO2 inhibition effect for isoprene emisison Loretta Mickley (Harvard)

--Bob Y. 11:19, 6 June 2011 (EDT)

To

Item Author(s) Status


Items that are now included in GEOS-Chem

Here we list new features that have since been brought into the standard mainline GEOS-Chem code. Each of these was identified as a priority at the 4th International GEOS-Chem Meeting in 2009 (aka IGC4) or the 5th International GEOS-Chem Meeting in 2011 (aka IGC5).


Item Author(s) Priority From Completion Date
Improved BL mixing scheme Jintai Lin IGC4 Now included in GEOS-Chem v8-02-02; released 08 Jun 2009
BC/OC aerosol emissions from Bond inventory Eric Leibensperger IGC4 Now included in GEOS-Chem v8-02-02; released 08 Jun 2009
Chemical updates Mat Evans
Fabien Paulot
Jingqiu Mao
Paul Palmer
IGC4 Updated chemical mechanism and photolysis files
globchem.dat, jv_spec.dat, ratj.d
(see documentation)
Now included in GEOS-Chem v8-02-01; released 26 May 2009
Common model adjoint and documentation Daven Henze
Kumaresh Singh
Monika Kopacz
IGC4 Code merging session took place June 6-9, 2009 @ Virginia Tech
  • Merged 3 branches of adjoint
  • Forward model now based on v8-02-01 (w/ GEOS-5)
  • Input files cleaned up and standardized
  • New makefiles; code separated into subdirectories
  • New CVS repository @ U. Colorado for code access
  • Some minor cleanup may still be needed (as of June 2009)
Local stratospheric ozone column from GEOS-5 GEOS-Chem Support Team IGC4 Now included in GEOS-Chem v8-02-03, released 14 Oct 2009
KPP chemical solver Kumaresh Singh IGC4 Now included in GEOS-Chem v8-02-03, released 14 Oct 2009
ICOADS ship emissions Chulkyu Lee IGC4 Now included in GEOS-Chem v8-02-03, released 14 Oct 2009
Methane including tagged tracers Kevin Wecht IGC4 Now included in GEOS-Chem v8-02-03, released 14 Oct 2009
Linoz stratospheric ozone chemistry Dylan Jones IGC4 Now included in GEOS-Chem v8-02-04, released 24 Feb 2010
Aerosol data sets for benchmarking Colette Heald IGC4 IMPROVE PM2.5 data are now included in the 1-yr benchmark plots
starting with GEOS-Chem v8-02-04
TOMAS aerosol microphysics Peter Adams
Dan Westervelt
Win Trivitayanurak
IGC4 Now included in GEOS-Chem v8-03-01, released 04 May 2010
Updated aerosol optical properties Colette Heald
Randall Martin
and the Aerosols Working Group
IGC4 Now included in GEOS-Chem v8-03-01, released 04 May 2010
Global 1x1.25 model capability Lok Lamsal IGC4 Now included in GEOS-Chem v8-03-01, released 04 May 2010
ISORROPIA II Havala Pye
Thanos Nenes
Becky Alexander
IGC4 Now included in GEOS-Chem v8-03-01, released 04 May 2010
CO2 including tagged tracers Ray Nassar IGC4 Now included in GEOS-Chem v8-03-02, released 07 Sep 2010
Terrestrial and deep ocean mercury Nicole Smith-Downey
Elsie Sunderland
Chris Holmes
and Team-Hg
IGC4 Now included in GEOS-Chem v8-03-02, released 07 Sep 2010
Acquire long-term MERRA archive GEOS-Chem Support Team IGC4 Now included in GEOS-Chem v9-01-01, released 10 Feb 2011

--Bob Y. 11:21, 10 May 2011 (EDT)

Items that have yet to be included in GEOS-Chem

We are working towards adding each of these new features into future GEOS-Chem releases. Each of these was identified as a priority at the 4th International GEOS-Chem Meeting in 2009 (aka IGC4) or the 5th International GEOS-Chem Meeting in 2011 (aka IGC5).


Item Author(s) Priority From Status
APM aerosol microphysics Fangqun Yu IGC4 Incorporated and validated in GEOS-Chem v9-01-02, awaiting release
GFED3 biomass burning Prasad Kasibhatla IGC4 Incorporated into GEOS-Chem v9-01-02, awaiting release
FAA aircraft emissions inventory Steven Barrett et al IGC4 Incorporated and validated in GEOS-Chem v9-01-02, awaiting release
Anthropogenic VOCs update Dylan Millet
IGC4 The RETRO anthropogenic VOC emissions will be included into GEOS-Chem v9-01-02.
Updated soil NOx emissions Randall Martin
Rynda Hudman
IGC4 Slated for inclusion into GEOS-Chem v9-01-02 or GEOS-Chem v9-01-03
Tropospheric bromine chemistry Justin Parrella IGC4 Substantially complete but undergoing further validation. Slated for inclusion into GEOS-Chem v9-01-03.
Updated strat chem. from GMI Combo Dylan Jones IGC4 Slated for inclusion GEOS-Chem v9-01-02 or GEOS-Chem v9-01-03.
Convert model output to NetCDF GEOS-Chem Support Team IGC4 Lee Murray has mature code for reading netCDF files, which will be installed at the same time as the strat chem from GMI Combo. The code can be extended to write netCDF files, but this will be more time-consuming.
Addition of aromatics to SOA simulation Daven Henze IGC4 to be added in short order following v8-02-01 release
Archive tropospheric OH fields from benchmark runs GEOS-Chem Support Team IGC4  
Flexible region mask for tagged tracers Dylan Jones
Prasad Kasibhatla
IGC4  
Data servers for chemistry/climate databases Loretta Mickley IGC4  
Interannual lightning Lee Murray IGC4  
Fire injection heights Maria Val Martin IGC4  
CCSM3 interface Rokjin Park IGC4  
PBAP Colette Heald IGC4  
Sulfate/nitrate isotopes Becky Alexander IGC4  
ESMF/MPI capability GEOS-Chem Support Team IGC4 GEOS-Chem column code is being interfaced into the GEOS-5 GCM
Spatial reduction mechanism Mauricio Santillana IGC4  
GISS Model E interface Lee Murray IGC4 Please read the GISS Model E Memo by (Lee Murray and Loretta Mickley) for the latest information.

--Bob Y. 11:34, 10 May 2011 (EDT)