GEOS-Chem model development priorities
On this page we list the current priorities for GEOS-Chem development. This list was compiled by the user Working Groups at the last International GEOS-Chem Meeting (IGC6) in May 2013 and has been continuously updated since based on code readiness and input from the Working Groups and the Steering Committee.
We also invite you to view our GEOS-Chem Support Team project management board on Trello.com, which shows the current GCST workflow.
Contents
List of priorities as of January 2014
NOTE: We will update this list again once GEOS-Chem v9-02 is released.
Items "Awaiting release" will be part of the next version release of GEOS-Chem and are actively being incorporated into the standard model and benchmarked. Other items are in different stages of readiness and will be included in future versions of the model.
Awaiting release
Item | Author(s) | Status |
---|---|---|
Correction for GEOS-5 PBL heights | Sajeev Philip (Dalhousie) | Approved 16 Oct 2012 (v9-02a); awaiting release |
New soil NOx emission module | Rynda Hudman (UC Berkeley) Neil Moore (Dalhousie) Bram Maasakkers (Eindhoven) |
Approved 29 Oct 2012 (v9-02b); awaiting release |
EPA/NEI2005 Hg emissions for US | Lyatt Jaeglé (U. Washington) | Approved 29 Nov 2012 (v9-02c); awaiting release |
Streets future Hg emissions | Bess Corbitt (Harvard) | Approved 29 Nov 2012 (v9-02c); awaiting release |
Nested-grid Hg simulation | Lyatt Jaeglé (U. Washington) | Approved 29 Nov 2012 (v9-02c); awaiting release |
Updated Hg(0) oxidation kinetics | Bess Corbitt (Harvard) Justin Parrella (Harvard) |
Approved 29 Nov 2012 (v9-02c); awaiting release |
Capability to use GEOS-Chem Br/BrO fields in Hg simulation | Bess Corbitt (Harvard) Justin Parrella (Harvard) |
Approved 29 Nov 2012 (v9-02c); awaiting release |
POPs simulation: Polycyclic aromatic hydrocarbons | Carey Friedman (MIT) | Approved 29 Nov 2012 (v9-02c); awaiting release |
Inorganic chemistry updates | Mat Evans (York) | Approved 07 Feb 2013 (v9-02f); awaiting release |
Methyl peroxy nitrate (MPN) chemistry | Ellie Browne (UC Berkeley) | Approved 07 Feb 2013 (v9-02f); awaiting release |
Fix RO2+HO2 rate constant | Fabien Paulot (Harvard) | Approved 22 Mar 2013 (v9-02g); awaiting release |
Improvements to isoprene chemistry, standardization of Paulot Scheme | Fabien Paulot (Harvard) Eloise Marais (Harvard) Jingqiu Mao (NOAA/GFDL) Mat Evans (York) |
Approved 22 Mar 2013 (v9-02g); awaiting release |
Removal of NOx-Ox partitioning | GEOS-Chem Support Team | Approved 15 May 2013 (v9-02h); awaiting release |
Inhibition of N2O5 hydrolysis by aerosol nitrate | Lin Zhang (Peking University) | Approved 17 May 2013 (v9-02i); awaiting release |
Improved HO2 uptake by aerosol | Jingqiu Mao (NOAA/GFDL) | Approved 28 May 2013 (v9-02j); awaiting release |
Grid-independent GEOS-Chem: Chemistry | GEOS-Chem Support Team GMAO |
Approved 07 Jun 2013 (v9-02k); awaiting release |
Inline the TOMAS aerosol microphysics code into standard code | Sal Farina (CSU) | Approved 07 Jun 2013 (v9-02k); awaiting release |
Updated Canadian NH3 inventory | Wai-Ho Lo (Dalhousie) | Approved 26 Jun 2013 (v9-02l); awaiting release |
Updated NH3 seasonal scaling factors over the US | Lin Zhang (Peking University) | Approved 26 Jun 2013 (v9-02l); awaiting release |
RCP emission scenarios | Chris Holmes (UC Irvine) | Approved 30 Jul 2013 (v9-02m); awaiting release |
EDGAR v4.2 emissions for CH4 simulation | Kevin Wecht (Harvard) | Approved 30 Jul 2013 (v9-02m); awaiting release |
Update anthropogenic scale factors through 2010 | Aaron van Donkelaar (Dalhousie) | Approved 30 Jul 2013 (v9-02m); awaiting release |
AEIC aircraft emissions inventory | Sebastian D. Eastham(MIT) Steven Barrett (MIT) |
Approved 12 Aug 2013 (v9-02n); awaiting release |
Expanded SOA | Havala Pye (EPA/ORD) | Approved 03 Sep 2013 (v9-02o); awaiting release |
Cloud water pH for sulfate formation | Becky Alexander (U. Washington) | Approved 13 Sep 2013 (v9-02p); awaiting release |
Update jv_spec.dat with better representation of OC growth with RH and correction to sulfate optics | David Ridley (MIT) Randall Martin (Dalhousie) |
Approved 17 Sep 2013 (v9-02q); awaiting release |
Global simulations with GEOS-FP met data product from GMAO | GEOS-Chem Support Team | Approved 14 Dec 2014 (v9-02r); awaiting release
|
Nested-grid model at 0.25° x 0.3125° resolution | Yuxuan Wang (Tsinghua) |
|
High-resolution emissions for above nested-grid model | Yuxuan Wang (Tsinghua) |
|
Unit testing | GEOS-Chem Support Team |
Available as an external package in GEOS-Chem v9-02o and later versions |
--Bob Y. 10:55, 18 December 2013 (EST)
Ready to go in
Item | Author(s) | Status |
---|---|---|
Structural/programming updates | ||
Grid-independent GEOS-Chem: Packaging ESMF/MAPL | GEOS-Chem Support Team GMAO |
|
Science updates | ||
UCX strat chem mechanism, includes: | UCX: Sebastian Eastham (MIT) Fast-JX: Jingqiu Mao (Princeton) |
|
Online Radiative Transfer in GEOS-Chem | David Ridley (MIT) Colette Heald (MIT) |
|
NEI 2008 emissions with hourly resolution | Katie Travis (Harvard) |
|
Update to MEGAN2.1 | Dylan Millet (U. Minnesota) |
|
Update to EDGAR 4.2 anthropogenic emissions | Meng Li and Qiang Zhang (Tsinghua) Sajeev Philip (Dalhousie) |
|
PAN / Organics | Emily Fischer (CSU) |
|
CO2 direct effect on isoprene emissions | Amos Tai (City University of Hong Kong) |
|
Arctic Hg cycling | Jenny Fisher (Wollongong) |
|
Criegee intermediate | Dylan Millet (U. Minnesota) |
|
Impaction scavenging for hydrophobic BC | Qiaoqiao Wang (Harvard) |
|
Homogeneous IN removal | Qiaoqiao Wang (Harvard) |
|
MASAGE NH3 inventory | Fabien Paulot (Harvard) |
|
HTAP and hi-res Asian emissions | Qiang Zhang (Tsinghua U.) |
|
Two-way coupling between global and nested GEOS-Chem models | Jintai Lin (Peking U.) |
|
Improve temporal resolution of anthropogenic CO2 sources | Ray Nassar (Environment Canada) | |
Replace CASA CO2 biosphere climatology with year-specific fluxes | Ray Nassar (Environment Canada) Dylan Jones (U. Toronto) |
Ray Nassar wrote:
|
Acid uptake on dust aerosols | T. Duncan Fairlie (NASA/LARC) |
|
UNEP 2010 anthropogenic Hg emissions | Shaojie Song (MIT) | |
Historical anthropogenic atmospheric emissions of Hg | Bess Corbitt (Harvard) | |
Subsurface ocean Hg concentration update | Anne Soerensen (Harvard) | |
NEI 2008 Hg emission inventory | Yanxu Zhang (Harvard) | |
RRTMG radiative transfer code in APM aerosol microphysics | Fangqun Yu (SUNY Albany) | |
Interannual lightning | Lee Murray (Harvard) |
|
FINN biomass burning emissions | Jenny Fisher (Wollongong) Min Huang (JPL) |
|
Updates to PAH code | Carey Friedman (MIT) Helen Amos (Harvard) |
|
VBS SOA option | Rokjin Park (Seoul Nat'l Univ.) | |
Tagged sulfate and nitrate simulation | Becky Alexander (U. Washington) |
--Bob Y. 10:53, 18 December 2013 (EST)
Almost there (< 6 months)
Item | Author(s) | Status |
---|---|---|
Coupling to 3D ocean: OFFTRACK | Yanxu Zhang (Harvard) | |
Dry deposition updates for Hg simulation | Bess Corbitt (Harvard) | |
New Hg soil emissions standard from offline GTMM | Bess Corbitt (Harvard) | |
Pre- and online processing of emissions | Qiang Zhang (Tsinghua) Christoph Keller (Harvard) |
|
Benchmark procedure for nested model | Nested Model Working Group | |
TOMAS parallelization | Sal Farina (CSU) Jeff Pierce (CSU) |
|
Reduced TOMAS (12/15 bins) | Sal Farina (CSU) Jeff Pierce (CSU) |
|
APM v2, synch with v9-02 | Fangqun Yu (SUNY Albany) | |
Retain native resolution 2D surface winds | David Ridley (MIT) GEOS-Chem Support Team |
|
FLEXCHEM | Mat Evans (York) Mike Long (Harvard) |
|
Develop new coding standards | GEOS-Chem Support Team | |
Grid-independent GEOS-Chem: Dry deposition | GEOS-Chem Support Team GMAO |
|
HEMCO emissions component | Christoph Keller (Harvard) GEOS-Chem Support Team GMAO |
|
Grid-independent GEOS-Chem: NetCDF I/O | GEOS-Chem Support Team | |
CMS CO2 ocean fluxes | Kevin Bowman (JPL) | |
Dynamic subsurface ocean | Helen Amos (Harvard) | |
Fix for CH4 concentrations after 2008 | Lee Murray (Harvard) | |
Sub-domain within the nested-grid domain | Yuxuan Wang (Tsinghua) Jintai Lin (Peking) |
|
Offline satellite simulator tool | Nested Model Working Group | |
Metal catalyzed oxidation of SO2 | Becky Alexander (U. Washington) | |
Sulfate production on aerosol haze | Yuxuan Wang (Tsinghua) Rokjin Park (Seoul Nat'l Univ.) |
|
Diurnal variation of NH3 emissions | Daven Henze (UC Boulder) | |
Time-varying Arctic parameterizations | Jenny Fisher (Wollongong) | |
Future US emissions inventories of Hg | Amanda Giang (MIT) | |
Coastal inputs of Hg: Rivers and anthropogenic point sources | Helen Amos (Harvard) | |
Complete revamp of GTMM | Bess Corbitt (Harvard) | |
Dust PDF for global simulations | David Ridley (MIT) | |
Benchmark for aerosol deposition | Aerosols Working Group |
--Bob Y. 15:54, 18 December 2013 (EST)
Over the horizon (6-12 months)
Item | Author(s) | Status |
---|---|---|
Updates to redox chemistry for Hg simulation | Bess Corbitt (Harvard) | |
High-resolution regional emissions | Nested Model Working Group | |
Flexible diagnostic package | GEOS-Chem Support Team | |
Grid-independent GEOS-Chem: Convection | TBD | GCST needs help from community |
Grid-independent GEOS-Chem: Wet scavenging | TBD | GCST needs help from community |
Grid-independent GEOS-Chem: PBL mixing | Sajeev Philip (Dalhousie) Christoph Keller (Harvard) GMAO |
|
Grid-independent GEOS-Chem: Transport | TBD | GCST needs help from community |
3D VOC source for tagged CO simulation and enhanced tagging of secondary CO | Jenny Fisher (Wollongong) | |
Satellite diagnostic for XCO2 | Andrew Schuh (CSU) | |
Dynamic precision | GEOS-Chem Support Team | |
Profiling GEOS-Chem | TBD | |
Methylmercury in the surface ocean | Anne Soerensen (Harvard) | |
Primary marine emissions of OA | Brett Gantt (NCSU) | |
Recommendations for optimal timesteps | Sajeev Philip (Dalhousie) | |
DMS oxidation scheme updating (DMSO, oxidation by BrO) | Tom Breider (Harvard) Becky Alexander (U. Washington) |
|
More options for terrestrial CO2 fluxes | Kevin Bowman (JPL) | |
Merge organics from specialized simulations into the mainline code | Dylan Millet (U. Minnesota) |
--Melissa Sulprizio 15:33, 21 October 2013 (EDT)
Longer term (12-24 months)
Item | Author(s) | Status |
---|---|---|
Coupling to 3D ocean: MIT ocean GCM | Yanxu Zhang (Harvard) | |
Python interface | Benoît Bovy (U. Liège-Belgium) + others | |
Uniformity of units | GEOS-Chem Support Team | |
Historical inventory of Hg in products and processes | Hannah Horowitz (Harvard) | |
Better link/coupling to ocean processes | Chemistry-Climate Working Group | |
Better coupling to biogeochemical cycles | Chemistry-Climate Working Group | |
Chemistry feedbacks to vegetation ecosystem | Amos Tai (MIT) | |
Iodine chemistry | Tomás Sherwen (York) | |
Harmonization of aerosol optics (including water uptake) | David Ridley(MIT) Colette Heald (MIT) Peter Adams (Carnegie Mellon) Fangqun Yu (SUNY Albany) Gabriele Curci (U. L'Aquila) Randall Martin (Dalhousie) |
|
Grid-independent GEOS-Chem: Ocean interface | Yanxu Zhang (Harvard) | |
Updated LAI | Kevin Bowman (JPL) Folkert Boersma (KNMI) |
|
Merge dicarbonyl simulation into standard simulation | Tzung-May Fu (Peking) | |
Global 0.5x0.667 capability for CO2/CH4 | Liang Feng (Edinburgh) Dylan Jones (U. Toronto) |
|
Dynamic multiple boxes subsurface Arctic Ocean | Helen Amos (Harvard) Anne Soerensen (Harvard) |
|
PCB simulation: atmosphere and ocean | Carey Friedman (MIT) Helen Amos (Harvard) |
|
Nighttime isoprene chemistry | Rebecca Schwantes (Caltech) | |
ClNO2 | Mat Evans (York) | |
Dissolved Fe/Cu | Matthew Johnson (NCSU) Jingqiu Mao (NOAA/GFDL) |
|
UV absorption of organics/brown carbon | Rokjin Park (Seoul Nat'l Univ.) | |
CO-CO2-CH4 simulation | Dylan Jones (U. Toronto) Annemarie Fraser (Edinburgh) |
|
Updated HCN simulation | Dylan Jones (U. Toronto) | |
Passive tracer module | Jenny Fisher (Wollongong) |
Jenny Fisher wrote:
|
Plume in-grid lightning NOx emissions | Alicia Gressent (U. Toulouse) |
--Melissa Sulprizio 15:33, 21 October 2013 (EDT)