Difference between revisions of "Emissions Working Group"

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--[[User:Dbm|Dbm]] ([[User talk:Dbm|talk]]) 00:57, 1 September 2017 (UTC)
--[[User:Dbm|Dbm]] ([[User talk:Dbm|talk]]) 00:57, 1 September 2017 (UTC)
== Ongoing Developments (please add yours!) ==
Here is the list of updates that are slated to be added to GEOS-Chem in the next few releases:
{| border=1 cellspacing=0 cellpadding=5
|- bgcolor="#cccccc"
!width="400"|Planned release
|[[MEGAN biogenic emissions]]
|Michael Barkley (Leicester)
*Updates ongoing
|Australian anthropogenic emissions
|Jenny Fisher (Wollongong)
*Updates ongoing
|Updated EMEP anthropogenic emissions over Europe
|Eloise Marais (Leicester)
*Updates ongoing
|[http://wiki.seas.harvard.edu/geos-chem/images/a/a6/Ammonia_Emissions_Summary_Document.pdf Resolution fix for GEIA ammonia emissions]
|Eleanor Morris & Matt Evans (York)
*Slated for inclusion in 11-02f
*Updates ongoing
|[http://views.cira.colostate.edu/wiki/wiki/10197 2016 U.S. EPA Modeling Emissions Platform]
|Patrick C. Campbell (NOAA/ARL)
*Currently in beta stage
*"HEMCO-ready" available by request
*Updates ongoing
--[[User:Bmy|Bob Y.]] 18:55, 14 January 2015 (EST)
== Progression of Updates ==
== Progression of Updates ==

Revision as of 18:01, 7 June 2022

The purpose of this Working Group is to provide a forum to discuss current and new developments in GEOS-Chem associated with land-atmosphere and ocean-atmosphere sources, sinks, and fluxes of trace gases and aerosols.

All users interested in adding/updating the GEOS-Chem emissions inventories are encouraged to subscribe to the emissions email list (click on the link in the contact information section below).

Contact Information

Emissions and Deposition
Working Group Co-Chairs
Emissions and Deposition
Working Group email list
geos-chem-emissions [at] g.harvard.edu
To subscribe to email list Either
  • Send an email to geos-chem-emissions+subscribe [at] g.harvard.edu


To unsubscribe from email list Either
  • Send an email to geos-chem-emissions+unsubscribe [at] g.harvard.edu


--Bob Y. (talk) 18:35, 21 August 2015 (UTC)

Current Projects (please add yours!)

User Group Description Contact Person Date Added
GEOS-Chem Support Team Ongoing development of the Harmonized Emissions Component (HEMCO) GCST June 2022
Georgia Tech (USA) Global anthropogenic emissions of HCl and particulate chloride (1960-2014) Pengfei Liu January 2021

Top-down Findings Germane to GEOS-Chem Inventories (please add yours!)

Science findings from top-down studies that have implications for inventories used in GEOS-Chem (e.g., an inferred high or low bias or other such issue) can be compiled in this table. Please add any findings, either from your group or from other groups, that you feel the GEOS-Chem community should be aware of in using these inventories.

Species Authors Reference
Monthly NOx emissions for East Asia (2005-2012) Zhen Qu (CU Boulder)

Qu et al., 2017

--Dbm (talk) 00:57, 1 September 2017 (UTC)

Progression of Updates

We have added the following updates pertaining to emissions and deposition to past GEOS-Chem versions:

Version Released Description Contact
v11-01 Jan 2017 Update HEMCO to version 2.0.003 Christoph Keller (NASA GSFC)
v11-01 Jan 2017 0.1° x 0.1° CAC emissions Aaron van Donkelaar (Dalhousie)
v11-01 Jan 2017 Replace RETRO C3H8 emissions with emissions from Xiao et al. (2008) Emily Fischer (CSU)
Zitely Tzompa (CSU)
v11-01 Jan 2017 Add option for QFED & FINN emissions in the Hg simulations Jenny Fisher (Wollongong)
v11-01 Jan 2017 CO2 direct effect on isoprene emissions Amos Tai (CUHK)
v11-01 Jan 2017 Update biomass burning emissions to GFED4.1, includes:
  • Daily and diurnal factors
Prasad Kasibhatla (Duke)
Christoph Keller (Harvard)
v10-01 Jun 2015 The HEMCO emissions component now handles all GEOS-Chem emissions. Christoph Keller (Harvard)
v10-01 Jun 2015 Daily anthropogenic emissions broken down by sector from the EPA NEI2008 inventory (via HEMCO) Katie Travis (Harvard)
v10-01 Jun 2015 FINNv1 biomass burning emissions (via HEMCO) Jenny Fisher (Wollongong)
Min Huang (JPL)
v10-01 Jun 2015 MEGAN v2.1 plus Guenther 2012 biogenic emissions (via HEMCO) Dylan Millet (Minnesota)
v9-02 Mar 2014 New soil NOx emission module Rynda Hudman Kay (EPA)
Neil Moore (formerly of Dalhousie)
Bram Maasakkers (Harvard)
v9-02 Mar 2014 EPA/NEI05 North American Hg emissions Yanxu Zhang (U. Washington)
Lyatt Jaeglé (U. Washington)
v9-02 Mar 2014 Hg anthropogenic emissions options for the year 2006 or 2050 following SRES scenarios A1B, A2, B1, and B2 from Streets et al. 2009. Bess Corbitt (Harvard)
v9-02 Mar 2014 Updated NH3 seasonal scaling factors over the US Lin Zhang (PKU)
v9-02 Mar 2014 Updated Canadian NH3 inventory Wai-Ho Lo (Dalhousie)
v9-02 Mar 2014 Bug in wet deposition Henry's constant Fabien Paulot (Harvard)
v9-02 Mar 2014 Fix diurnal NOx scale factors and fix double counting of biofuels over Mexico, Canada, and Europe Christoph Keller (Harvard)
v9-02 Mar 2014 Correct bugs in ship emissions w/ non-local PBL mixing Chris Holmes (UC Irvine)
v9-02 Mar 2014 Bug fixes in day-of-week computation GEOS-Chem Support Team
v9-02 Mar 2014 RCP future emission scenarios Chris Holmes (UC Irvine)
v9-02 Mar 2014 EDGAR v4.2 emissions for CH4 simulation Kevin Wecht (Harvard)
v9-02 Mar 2014 Update anthropogenic scale factors through 2010 Aaron van Donkelaar (Dalhoisie)
v9-02 Mar 2014 Update GFED3 emissions to 2011 Prasad Kasibhatla (Duke)
v9-02 Mar 2014 AEIC aircraft emissions inventory Sebastian Eastham (MIT)
Steven Barrett (MIT)
v9-02 Mar 2014 Fix molecular weights of RIP and IEPOX used in drydep_mod.F GEOS-Chem Support Team
v9-02 Mar 2014 Bug fix for NEI2005 SO4 emissions in sulfate_mod.F Jenny Fisher (U. Wollongong)
v9-01-03 Sep 2012 Improved acetone simulation Emily Fischer (Harvard)
v9-01-03 Sep 2012 Complete shift of biogenic VOC emissions from GEIA to MEGAN; retire GEIA Dylan Millet
v9-01-03 Sep 2012 OVOC's dry deposition Jingqiu Mao (NOAA/GFDL)
v9-01-03 Sep 2012 Historical emission inventories of SO2, NOx, BC, and POA Eric Leibensperger (MIT)
v9-01-03 Sep 2012 PARANOX model for evolution of ship exhaust plumes Geert Vinken (Eindhoven)
v9-01-03 Sep 2012 Improved snow scavenging and washout parameterization Qiaoqiao Wang (Harvard)
v9-01-03 Sep 2012 Constraining the lightning NOx source with satellite data Lee Murray (Harvard)
v9-01-03 Sep 2012 MAP_A2A algorithm to regrid emissions on the fly Prasad Kasibhatla (Duke)
Matt Cooper (Dalhousie)
v9-01-03 Sep 2012 Anthropogenic NOx scaling factors from OMI Lok Lamsal (NASA)
Matt Cooper (Dalhousie)
v9-01-02 Nov 2011 GEIA 2005 Hg emissions Bess Corbitt (Harvard)
Noelle Selin (MIT)
v9-01-02 Nov 2011 Bug fix for biofuel emissions when using EPA/NEI05 GEOS-Chem Support Team
v9-01-02 Nov 2011 Update to GFED3 biomass burning Prasad Kasibhatla (Duke)
v9-01-02 Nov 2011 Anthropogenic VOCs Dylan Millet (UMN)
v9-01-02 Nov 2011 Added seasonality to Streets NH3 emissions over Asia Jenny Fisher (Harvard)
v9-01-01 May 2011 Updated Hg simulation Bess Corbitt (Harvard)
Jenny Fisher (Harvard)
Helen Amos (Harvard)
v9-01-01 May 2011 Bug fix for biofuel emissions when using EPA/NEI05 GEOS-Chem Support Team
v9-01-01 May 2011 Bug fixes for ship emissions and EMEP ship emissions mask file GEOS-Chem Support Team
v9-01-01 May 2011 Updated lightning parameterization and fix for cloud-top-height algorithm L. Murray, Harvard
v9-01-01 May 2011 Updated volcanic SO2 emissions from Aerocom J. Fisher (Harvard)
v9-01-01 May 2011 Updated wet scavenging and convective updraft scavenging algorithms and
Allow both washout and rainout when precipitation forms
H. Amos (Harvard)
Bess Corbitt (Harvard)
Q. Wang (Harvard)
v8-03-02 Sep 2010 Updated CO2 Emissions R. Nassar, Environment Canada
v8-03-01 May 2010 Extension of annual anthropogenic scale factors to 2006 A. van Donkelaar, Dalhousie
v8-03-01 May 2010 EMEP emissions extended to 2007 and seasonality extended to SOx, CO, and NH3 A. van Donkelaar, Dalhousie
v8-03-01 May 2010 Emissions for Nested NA/EU Simulations Nested Grid A. van Donkelaar, Dalhousie
v8-03-01 May 2010 Emissions for Global 1 x 1.25 simulation capability L. Lamsal, Dalhousie
v8-03-01 May 2010 Speciated biogenic emissions from MEGAN v2.1 now used in SOA code H. Pye, Caltech
v8-02-04 Feb 2010 EPA/NEI2005 regional emissions inventory for North America P. Le Sager (formerly Harvard),
A. van Donkelaar (Dalhousie)
v8-02-04 Feb 2010 MEGAN v2.1 biogenic emissions Mike Barkley, Edinburgh
v8-02-04 Feb 2010 Updated inventory of volcanic SO2 emissions from AeroCom Jenny Fisher, Harvard
v8-02-03 Oct 2009 ICOADS ship emissions Chulkyu Lee, Dalhousie
v8-02-03 Oct 2009 Updated OTD/LIS redistribution factors for GEOS-5 Lee Murray, Harvard
v8-02-02 Jun 2009 BOND inventory for BC and OC with monthly variations Eric Leibensperger, Harvard

--Melissa Sulprizio 10:43, 17 January 2014 (EST)

Recommended Default Emission Inventories

Emission inventories for standard full chemistry runs. Entries in BLACK are the recommended default emission inventories, entries in RED are alternate options, and entries in GREEN are inventories slated for inclusion in GEOS-Chem in the future. Regional inventories overwrite global inventories for particular locations (indicated in the table). Offline emissions of dust, biogenic VOCs, sea salt and soil NOx are the default in GEOS-Chem as of version 12.4.0. Options to switch from offline to online emissions are provided in the HEMCO configuration file (HEMCO_Config.rc).

Year(s) show years for which the inventory is provided. This is of particular importance for the offline emissions, as only dust emissions extend from the start year of the MERRA-2 and GEOS-FP meteorology to the end of 2019. In many of the anthropogenic emissions annual scale factors are applied to extend the inventory to the past or present. These are given in the "SCALE FACTORS" section of the HEMCO configuration file.

Please see our HEMCO data directories wiki page for information about how to download data files for each of the currently-available inventories.

Region HEMCO ExtName Description Resolution Year(s) Species References & Notes
Anthropogenic (Fossil, Biofuel and Process) Emission Inventories
Global CEDS CEDS anthropogenic + biofuel + ship 0.5° x 0.5°, monthly 1750-2014 NOx, SO2, CO, NMVOCs, NH3, BC, OC http://www.globalchange.umd.edu/ceds/
Global XIAO Fossil fuel + biofuel C3H8 1° x 1°, annual 1985 C3H8 Xiao et al. (2008)

Recommend using C2H6 from TZOMPA

Global TZOMPA Fossil fuel + biofuel C2H6 2° x 2.5°, annual 2010 C2H6 Tzompa-Sosa et al. (2017)
Global AEIC Aircraft emissions 1° x 1°, annual 2005 NOx, SO2, CO, NMVOCs, BC, OC Stettler et al. (2011)
Global ANTHRO_PM25_DUST Anthropogenic PM2.5 dust emissions 2° x 2.5°, monthly 2015 DST1 Philip et al. (2017)
Global ParaNOx Ship plume O3 and HNO3 formation N.A. N.A. O3, HNO3 Vinken et al. (2011) with updates from Holmes et al. (2014)
Global RCP_3PD, RCP_45, RCP_60, RCP_85 RCP scenarios 3PD, 4.5, 6.0, 8.5 0.5° x 0.5°, annual 2005, 2010-2100 in 10 year increments NOx, SO2, CO, NMVOCs, BC, OC, NH3 http://tntcat.iiasa.ac.at:8787/RcpDb/dsd?Action=htmlpage&page=welcome
Global EDGAR EDGAR v4.2 anthropogenic + biofuel 0.1° x 0.1°, monthly 1970-2008 NOx, SO2, SO4, CO, NH3 http://edgar.jrc.ec.europa.eu/overview.php?v=42

The following are also recommended when selecting EDGAR (added by default starting in GEOS-Chem 12.5.0):

  • Trash burning emissions of NOx, SOx, CO, NH3, BC and OC from Wiedinmyer et al. (2014) (0.1° x 0.1°, annual, 2010)
  • NMVOC emissions from CEDS
Global HTAP HTAP v2 inventory 0.1° x 0.1°, annual 2008, 2010 NOx, SO2, CO, NMVOCs, BC, OC, NH3 http://edgar.jrc.ec.europa.eu/htap_v2/index.php?SECURE=123
Asia MIX MIX v1.1 emission inventory for Asia 0.25° x 0.25°, monthly 2008, 2010 NOx, SO2, CO, BC, OC, NMVOCs, NH3 Li et al. (2017)
China MEIC MEIC inventory for China 0.25° x 0.25°, monthly 2008, 2010 NOx, SO2, CO, NMVOCs, NH3 http://www.meicmodel.org/.
Africa DICE-Africa Non-industrial anthropogenic emissions for Africa 0.1° x 0.1°, annual 2006, 2013 NOx, SO2, CO, NMVOCs, NH3, BC, OC Marais and Wiedinmyer (2016)
US NEI2011 US EPA NEI-2011 emission inventory 0.1° x 0.1°, monthly & hourly 2011 NOx, SO2, CO, NMVOCs, NH3, BC, OC https://www.epa.gov/air-emissions-inventories/2011-national-emissions-inventory-nei-data
Canada CAC CAC inventory for Canada 0.1° x 0.1°, annual 2005 NOx, SO2, CO, NH3 http://carexcanada.uvic.ca//emp/wp-content/uploads/2014/06/EC_Emission_Inventory_Guidebook.pdf
Biomass Burning (Open Fires) Emission Inventories
Global GFED4 GFED4 biomass burning inventory 0.25° x 0.25°, monthly, daily, every 3 hours 1997-2014 NOx, SO2, CO, NMVOCs, NH3, BC, OC http://www.globalfiredata.org, Giglio et al. (2013)
Global QFED2 QFED2 biomass burning emissions 0.1° x 0.1°, daily 2000-2014 NOx, SO2, CO, NMVOCs, NH3, BC, OC Darmenov and da Silva (2015)
Global FINN FINN v1.5 biomass burning emissions 0.25° x 0.25°, monthly, daily 2002-2014 NOx, SO2, CO, NMVOCs, NH3, BC, OC Wiedinmyer et al. (2016)
Global GFAS GFAS biomass burning emissions 0.1° x 0.1deg;, monthly, daily 2003-present NOx, SO2, CO, NMVOCs, NH3, BC, OC GFAS website
Grid-independent offline emissions
Global OFFLINE_DUST Offline dust emissions 0.25°x0.3125°, 0.5° x 0.625°, hourly 2014-2019, 1980-2019 DST1-4 Zender et al. (2003)
Offline emissions developed by David Ridley (CARB)
Offline emissions generated by Jun Meng (Dalhoisie)
Used in place of online DustDead or DustGinoux emissions
Global OFFLINE_BIOVOC Offline biogenic VOC emissions 0.25°x0.3125°, 0.5° x 0.625° hourly 2014-2017, 2001-2017 ACET, ALD2, C2H4, EOH, Isoprene, PRPE, SOAP, SOAS, CO, monoterpenes, sesquiterpenes Guenther et al. (2012)
Offline emissions developed by Jintai Lin (linjt@pku.edy.cn)
Offline emissions processed by Hongjian Weng (PKU)
Used in place of online MEGAN emissions
Global OFFLINE_SEASALT Offline sea salt emissions 0.25°x0.3125°, 0.5° x 0.625° hourly 2014-2017, 2001-2017 SALA, SALC, Br2, BrSALA, BrSALC Jaeglé et al. (2011)
Offline emissions developed by Jintai Lin (linjt@pku.edy.cn)
Offline emissions processed by Hongjian Weng (PKU)
Used in place of online SeaSalt emissions
Global OFFLINE_SOILNOX Offline emission of NOx from soils and fertiliser use 0.25°x0.3125°, 0.5° x 0.625° hourly 2014-2017, 2001-2017 NO Hudman et al. (2012)
Offline emissions developed by Jintai Lin (linjt@pku.edy.cn)
Offline emissions processed by Hongjian Weng (PKU)
Used in place of online SoilNOx emissions
Terrestrial Biogenic Emission Inventories (online calculation)
Global MEGAN MEGAN v2.1 biogenic emissions Horizontal and temporal resolution of the model Year of model ISOP, monoterpenes, sesquiterpenes, MOH, ACET, ETOH, CH2O, ALD2, HCOOH, C2H4, TOLU, PRPE Guenther et al. (2012)
To use these emissions, set the OFFLINE_BIOGENICVOC emissions to false
Global SeaFlux Air-sea exchange fluxes Horizontal and temporal resolution of the model Year of model DMS, ACET Lana et al. (2011)
Global SeaSalt Sea salt emissions Horizontal and emission resolution of the model Year of model SALA, SALC Jaeglé et al. (2011)
To use these emissions, set the OFFLINE_SEASALT emissions to false
Other Natural/Semi-Natural Emission Inventories (online calculation)
Global SoilNOx Emission of NOx from soils and fertiliser use Horizontal and temporal resolution of the model Year of model NO Hudman et al. (2012)
To use these emissions, set the OFFLINE_SOILNOX emissions to false
Global LightNOx NOx from lightning Horizontal and temporal resolution of the model Year of model NO Murray et al. (2012)

Uses 0.25° x 0.3125° (GEOS-FP) or 0.5° x 0.625° (MERRA-2) lightning flash rates and convective cloud depth as input starting in GEOS-Chem 12.5.0

Global VOLCANO AeroCom Volcanic SO2 emissions Horizontal and temporal resolution of the model 1978-2019 SO2 Carn et al. (2017)
Global LIANG_BROMOCARB Very short-lived bromocarbon emissions 2° x 2.5°, annual 2000 CHBr3, CH2Br2 Liang et al. (2010)
Global DustDead DEAD Dust emissions scheme 2° x 2.5°, 4° x 5°, model time resolution Year of model DST1-4 Zender et al. (2003)
To use these emissions, set the OFFLINE_DUST emissions to false
Global DustGinoux Ginoux dust emissions scheme 4° x 5°, model time resolution Year of model DST1-4 Ginoux et al. (2001)
To use these emissions, set the OFFLINE_DUST emissions to false
Global MASAGE MASAGE non-agricultural NH3 emissions 0.5° x 0.5°, monthly? 2005-2008 NH3 Paulot et al. (2013)
Arctic none yet Arctic seabird emissions of NH3 0.1° x 0.1°, monthly? 2011 NH3 Croft et al. (2016)

--Emarais (talk) 22:36, 7 September 2017 (UTC)
--Melissa Sulprizio (talk) 13:35, 14 June 2019 (UTC)
--Emarais (talk) 13:56, 6 August 2019 (UTC)


  • Auvray and Bey, Long-range transport to Europe: Seasonal variations and implications for the European ozone budget, J. Geophys. Res., doi:10.1029/2004JD005503, 2005.
  • Bond et al., Historical emissions of black and organic carbon aerosol from energy-related combustion, 1850–2000, Global Biogeochem. Cy., doi:10.1029/2006GB002840, 2007.
  • Carn et al., Extending the long-term record of volcanic SO2 emissions with the Ozone Mapping and Profiler Suite (OMPS) Nadir Mapper, Geophysical Research Letters, 42. doi:10.1002/2014GL062437, 2015.
  • Croft et al., Contribution of Arctic seabird-colony ammonia to atmospheric particles and cloud-albedo radiative effect, Nature Communications, doi:10.1038/ncomms13444, 2016.
  • Darmenov and da Silva, The Quick Fire Emissions Dataset (QFED): Documentation of versions 2.1, 2.2 and 2.4, R. D. Koster (Ed.), Vol. 38, USA, 2015.
  • Fisher et al., Sources, distribution, and acidity of sulfate–ammonium aerosol in the Arctic in winter–spring, Atmos. Environ., doi:10.1016/j.atmosenv.2011.08.030, 2011.
  • Giglio et al., Analysis of daily, monthly, and annual burned area using the fourth-generation global fire emissions database (GFED4), J. Geophys. Res., doi:10.1002/jgrg.20042, 2013.
  • Ginoux et al., Sources and distributions of dust aerosols simulated with the GOCART model, J. Geophys. Res., doi:10.1029/2000JD000053, 2001.
  • Guenther et al., The Model of Emissions of Gases and Aerosols from Nature version 2.1 (MEGAN2.1): an extended and updated framework for modeling biogenic emissions, Geosci. Model Dev., doi:10.5194/gmd-5-1471-2012, 2012.
  • Holmes et al., The climate impact of ship NOx emissions: an improved estimate accounting for plume chemistry, Atmos. Chem. Phys., doi:10.5194/acp-14-6801-2014, 2014.
  • Hudman et al., Steps towards a mechanistic model of global soil nitric oxide emissions: implementation and space based-constraints, Atmos. Chem. Phys., doi:10.5194/acp-12-7779-2012, 2012.
  • Jaeglé et al., Global distribution of sea salt aerosols: new constraints from in situ and remote sensing observations, Atmos. Chem. Phys., doi:10.5194/acp-11-3137-2011, 2011.
  • Kuhns et al., Big Bend Regional Aerosol and Visibility Observational (BRAVO) Study Emissions Inventory, DRI, Las Vegas, NV, 2003.
  • Lana et al., An updated climatology of surface dimethlysulfide concentrations and emission fluxes in the global ocean, Global Biogeochem. Cy., doi:10.1029/2010GB003850, 2011.
  • Li et al., MIX: a mosaic Asian anthropogenic emission inventory under the international collaboration framework of the MICS-Asia and HTAP, Atmos. Chem. Phys., doi:10.5194/acp-17-935-2017, 2017.
  • Liang et al., Finding the missing stratospheric Bry: a global modeling study of CHBr3 and CH2Br2, Atmos. Chem. Phys., doi:10.5194/acp-10-2269-2010, 2010.
  • Marais and Wiedinmyer, Air Quality Impact of Diffuse and Inefficient Combustion Emissions in Africa (DICE-Africa), Environ. Sci. Technol., doi:10.1021/acs.est.6b02602, 2016.
  • Murray et al., Optimized regional and interannual variability of lightning in a global chemical transport model constrained by LIS/OTD satellite data, J. Geophys. Res., doi:10.1029/2012JD017934, 2012.
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  • Philip et al., Anthropogenic fugitive, combustion and industrial dust is a significant, underrepresented fine particulate matter source in global atmospheric models, Environ. Res. Lett., 12, 2017.
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  1. Scale factors for anthropogenic emissions
  2. GEIA Anthropogenic Scaling Factors
  3. Biogenic Parameter Input Sources
  4. Historical and Future Emissions wiki page