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== GEOS-Chem development history ==
 
== GEOS-Chem development history ==
  
In the sections below, we list information about current and past GEOS-Chem releases.
+
In the table below, we list information about current and past GEOS-Chem releases. For information about upcoming releases, please visit [[GEOS-Chem model development priorities|our ''GEOS-Chem model development priorities'' wiki page]].
  
NOTES:
+
{| border=1 cellspacing=0 cellpadding=5
#Information about 1-year benchmark simulations can be found on the individual wiki pages for each GEOS-Chem version listed below.
+
|-valign="top" bgcolor="#cccccc"
#For versions prior to v7-04-12, please see the [http://acmg.seas.harvard.edu/geos/geos_versions.html GEOS-Chem version history web page].
+
!width="150px"|Version
 +
!width="165px"|Date released
 +
!width="300px"|Important features
 +
!width="300px"|Documentation
  
--[[User:Bmy|Bob Y.]] 15:25, 16 January 2014 (EST)
+
|-valign="top"
 +
|[[GEOS-Chem 12#12.2.0|12.2.0]]
 +
|19 Feb 2019
 +
|
 +
*[[Transport_Working_Group#Transport_Tracers_simulation|Transport Tracers simulation: a common set of tracers in GEOS-Chem and GEOS]]
 +
*[[ObsPack diagnostic]]
 +
*[[GFAS biomass burning emissions]]
 +
*[[GEOS-Chem_12#ESMF_version_update_required_for_MAPL_upgrade|Update ESMF version  in GCHP from v5.2.0rp2 to v7.1.0r]]
 +
|
 +
*[https://doi.org/10.5281/zenodo.2572887 DOI: 10.5281/zenodo.2572887]
 +
*[http://acmg.seas.harvard.edu/geos/doc/man/ GC 12 manual]
 +
*[[Getting_Started_With_GCHP|GCHP manual]]
 +
*[http://cloud.geos-chem.org Using GEOS-Chem on the AWS cloud]
  
=== Current GEOS-Chem version in development ===
+
|-valign="top"
 +
|[[GEOS-Chem 12#12.1.1|12.1.1]]
 +
|13 Dec 2018
 +
|
 +
*[[Tagged CO simulation#Do not multiply emission timestep by 60|Bug fix for tagged CO]]
 +
*[[GEOS-Chem_12#Skip_planeflight_observations_outside_a_nested_domain|Skip planeflight observations outside a nested domain]]
 +
*[[GEOS-Chem_12#Always_enable_BCPH_TPBC_to_allow_saving_out_BC_files_in_global_simulations|Always compile with BCPH_TPBC=y]]
 +
*Fix compilation issues, see [https://github.com/geoschem/geos-chem/commit/096ad29d02afbdba64a5dd138df0c976ddee3140 (1)] & [https://github.com/geoschem/geos-chem/commit/f9b2f19593afeaa396ff3ee3d315148d5a6f8600 (2)]
 +
*[[GEOS-Chem_12#GCHP_transport_fix_to_prevent_instant_propagation_from_troposphere_to_stratosphere|GCHP transport fix]]
 +
|
 +
*[https://doi.org/10.5281/zenodo.2249246 DOI: 10.5281/zenodo.2249246]
 +
*[http://acmg.seas.harvard.edu/geos/doc/man/ GC 12 manual]
 +
*[[Getting_Started_With_GCHP|GCHP manual]]
 +
*[http://cloud.geos-chem.org Using GEOS-Chem on the AWS cloud]
  
{| border=1 cellspacing=0 cellpadding=5
+
|-valign="top"
|- bgcolor="#cccccc"
+
|[[GEOS-Chem 12#12.1.0|12.1.0]]
!width="150px"|Version
+
|26 Nov 2018
!width="100px"|Expected release
+
|
!width="700px"|Important features
+
*[[List_of_diagnostics_archived_to_netCDF_format#The_Budget_collection|Budget diagnostics]]
!width="125px"|Benchmark history
+
*[[Mineral_dust_aerosols#Anthropogenic_PM2.5_dust_source_in_GEOS-Chem|Anthropogenic PM2.5 dust source]]
|-
+
*[[GEOS-Chem_Output_Files#GEOS-Chem_12|GEOS-Chem restart file updates]]  
|[[GEOS-Chem v10-01]]
+
*[[CEDS_anthropogenic_emissions|Updates and fixes for the CEDS anthropogenic emissions inventory]]
|Late 2014
+
*[[Implementation_of_HEMCO_in_GEOS-Chem#Features_added_in_12.1.0|HEMCO fixes]]
|[[UCX chemistry mechanism]]
+
*[[Boundary_layer_mixing#Mass_is_not_conserved_when_using_non-local_PBL_mixing|Fix mass conservation in non-local PBL mixing]]
|[[GEOS-Chem v10-01 benchmark history|v10-01 history]]
+
*[[FlexGrid|FlexGrid Stage 1: Use HEMCO to read met fields]]
|}
+
*[[GEOS-Chem 12#Add support for continuous integration with TravisCI|Add support for continuous integration with TravisCI]]
 +
|
 +
*[https://doi.org/10.5281/zenodo.1553349 DOI: 10.5281/zenodo.1553349]
 +
*[http://acmg.seas.harvard.edu/geos/doc/man/ GC 12 manual]
 +
*[http://cloud.geos-chem.org Using GEOS-Chem on the AWS cloud]
  
--[[User:Bmy|Bob Y.]] 15:21, 16 January 2014 (EST)
+
|-valign="top"
 +
|[[GEOS-Chem 12#12.0.3|12.0.3]]
 +
|16 Oct 2018
 +
|
 +
*[[#Fix_incorrect_run_configuration_for_offline_sea_salt_emissions_in_GCHP|Fix incorrect run configuration for offline sea salt emissions in GCHP]]
 +
*[[#Fix_bug_in_application_of_CFC_surface_mixing_ratios_in_GCHP|Fix bug in application of CFC surface mixing ratios in GCHP]]
 +
|
 +
*[https://doi.org/10.5281/zenodo.1464210 DOI: 10.5281/zenodo.1464210]
 +
*[http://acmg.seas.harvard.edu/geos/doc/man/ GC 12 manual]
  
=== Previously released GEOS-Chem versions ===
+
|-valign="top"
 +
|[[GEOS-Chem 12#12.0.2|12.0.2]]
 +
|10 Oct 2018
 +
|
 +
*[[GEOS-Chem 12#Fixed_local-time_averaging_in_ND51_and_ND51b_satellite_timeseries_diagnostics|Bug fixes for ND51/ND51b diagnostics]]
 +
*[[TOMAS_aerosol_microphysics#Fixes_for_missing_biomass_emissions_and_incorrect_aerosol_dry_deposition|Bug fixes for TOMAS simulations]]
 +
*[[CO2_simulation#CO2_emissions_are_double_counted|Bug fix for CO2 simulations]]
 +
|
 +
*[https://doi.org/10.5281/zenodo.1455215 DOI: 10.5281/zenodo.1455215]
 +
*[http://acmg.seas.harvard.edu/geos/doc/man/ GC 12 manual]
  
NOTE: Each new GEOS-Chem version since v9-01-02 is now evaluated with one or more 1-year benchmark simulations prior to release. Therefore, each new GEOS-Chem version is now equivalent to what we used to call a "public release" prior to v9-01-02. We have since stopped using the terms "public release" and "beta release".
+
|-valign="top"
 +
|[[GEOS-Chem 12#12.0.1|12.0.1]]
 +
|24 Aug 2018
 +
|
 +
*[[Mercury#Restore_biomass_emissions_and_do_not_double_count_anthropogenic_emissions|Bug fixes for mercury simulation]]
 +
*[[Intel_Fortran_Compiler#Compilation_issues_with_Intel_Fortran_18|Compatibility with IFORT 18]]
 +
*[[GNU_Fortran_compiler#Compiliation_issues_with_GNU_Fortran_8.2.0|Compatibility with GNU Fortran 8.2.0]]
 +
|
 +
*[https://doi.org/10.5281/zenodo.1403144 DOI: 10.5281/zenodo.1403144]
 +
*[http://acmg.seas.harvard.edu/geos/doc/man/ GC 12 manual]<br>
  
{| border=1 cellspacing=0 cellpadding=5
+
|-valign="top"
|- bgcolor="#cccccc"
+
|[[GEOS-Chem 12#12.0.0|12.0.0]]*<br>aka v11-02-final<br><br>*Note the switch in [[GEOS-Chem version numbering system|version numbering system]]
!width="150px"|Version
+
|10 Aug 2018
!width="150px"|Date Released
+
|
!width="700px"|Important features
+
*Bug fixes identified during the v11-02 release candidate period
!width="125px"|Benchmark history
+
|
|-
+
*[https://doi.org/10.5281/zenodo.1343547 DOI: 10.5281/zenodo.1343547]
|[[GEOS-Chem v9-02]]
+
*[http://acmg.seas.harvard.edu/geos/doc/man/ GC 12 manual]
 +
*[[GEOS-Chem_12_benchmark_history#12.0.0|1-month benchmark simulation]]
 +
*[[GEOS-Chem_12_benchmark_history#12.0.0-Run0|1-year benchmark simulation]]
 +
 
 +
 
 +
|-valign="top"
 +
|[[GEOS-Chem v11-02|v11-02-rc]]
 +
|22 Jun 2018
 +
|
 +
*[[GEOS-Chem_HP|GCHP option]]
 +
*[[Halogen_chemistry_mechanism|Halogen chemistry]]
 +
*[[GEOS-Chem_chemistry_mechanisms#Updated_isoprene_and_monoterpene_chemistry|Updated isoprene & monoterpene chemistry]]
 +
*[[Secondary_organic_aerosols#Simple_SOA_scheme|Simple SOA scheme]]
 +
*[[PAN|Updated PAN chemistry]]
 +
*[[GEOS-Chem_v11-02#v11-02f|Several new and updated emissions inventories]]
 +
*[[GEOS-Chem_Output_Files#NetCDF_File_Format|NetCDF diagnostic output]]
 +
|
 +
*[http://acmg.seas.harvard.edu/geos/doc/man/ GC v11-02 manual]
 +
*[[GEOS-Chem v11-02 benchmark history|GC v11-02 benchmark history]]
 +
 
 +
|-valign="top"
 +
|[[GEOS-Chem v11-01|v11-01]]
 +
|20 Dec 2016 (provisional)<br>01 Feb 2017 (public)
 +
|
 +
*[[FlexChem]]
 +
*[[MERRA-2]]
 +
*[[GEOS-Chem_species_database|Species Database]]
 +
*[[Moisture_Updates_in_v11-01|Air moisture fixes and updates]]
 +
*[[GNU_Fortran_compiler|Compatibility with the GNU Fortran compiler]]
 +
*[[GEOS-Chem_v11-01#New_data_directories|Updated emissions]]
 +
*[[GEOS-Chem_Output_Files#NetCDF_File_Format|NetCDF restart files]]
 +
|
 +
*[http://acmg.seas.harvard.edu/geos/doc/archive/man.v11-01/index.html GC v11-01 manual]
 +
*[[GEOS-Chem v11-01 benchmark history|GC v11-01 benchmark history]]
 +
 
 +
|-valign="top"
 +
|[[GEOS-Chem v10-01|v10-01]]
 +
|01 May 2015 (provisional)<br>17 Jun 2015 (public)
 +
|
 +
*[[UCX chemistry mechanism]]
 +
*[[HEMCO]]
 +
*[[Coupling_GEOS-Chem_with_RRTMG|Online radiative transfer]]
 +
|
 +
*[http://acmg.seas.harvard.edu/geos/doc/archive/man.v10-01/index.html GC v10-01 manual]
 +
*[[GEOS-Chem v10-01 benchmark history|GC v10-01 benchmark history]]
 +
 
 +
 
 +
|-valign="top"
 +
|[[GEOS-Chem v9-02|v9-02]]
 
|17 Jan 2014 (provisional)<br>03 Mar 2014 (public)
 
|17 Jan 2014 (provisional)<br>03 Mar 2014 (public)
|[[Soil NOx emissions#Updated soil NOx emissions algorithm|Updated soil NOx emissions module]], [[POPs simulation]], [[Updating standard chemistry with JPL_10-6|Inorganic chemistry updates]], [[Methyl peroxy nitrate chemistry]], [[New isoprene scheme|Adopt Paulot isoprene scheme as standard]], [[Historical and Future Emissions#RCP future emission scenarios|RCP emission scenarios]], [[Aircraft_emissions#MIT_aviation_emissions_inventory|AEIC aircraft emissions inventory]], [[GEOS-FP|GEOS-FP met fields]]
+
|
|[[GEOS-Chem v9-02 benchmark history|v9-02 history]]
+
*[[Hudman et al 2012 soil NOx emissions algorithm|Updated soil NOx emissions module]]
|-
+
*[[POPs simulation]]
|[[GEOS-Chem v9-01-03]]
+
*[[Updating standard chemistry with JPL_10-6|Inorganic chemistry updates]]
 +
*[[Methyl peroxy nitrate chemistry]]
 +
*[[New isoprene scheme|Adopt Paulot isoprene scheme as standard]]
 +
*[[Historical and Future Emissions#RCP future emission scenarios|RCP emission scenarios]]  
 +
*[[Aircraft_emissions#MIT_aviation_emissions_inventory|AEIC aircraft emissions inventory]]
 +
*[[GEOS-FP|GEOS-FP met fields]]
 +
|
 +
*[http://acmg.seas.harvard.edu/geos/doc/archive/man.v9-02/index.html GC v9-02 manual]
 +
*[[GEOS-Chem v9-02 benchmark history|GC v9-02 benchmark history]]
 +
 
 +
|-valign="top"
 +
|[[GEOS-Chem v9-01-03|v9-01-03]]
 
|14 Sep 2012
 
|14 Sep 2012
|[[Acetone|Updated acetone sources & sinks]]; Improved sea salt [[Sea salt aerosols#SST dependent sea salt emissions|emission]] & [[Sea salt aerosols#Updates to sea salt dry deposition|deposition]]; Improved [[Wet_deposition#Add_scavenging_by_snow|snow scavenging]] and [[Wet deposition#Updates for aerosol scavenging efficiency|washout parameterization]]; [[Bromine chemistry mechanism|Tropospheric bromine chemistry]]; [[Stratospheric chemistry|Stratospheric P and k (monthly climatological)]]
+
|
|[[GEOS-Chem v9-01-03 benchmark history|v9-01-03 history]]
+
*[[Acetone|Updated acetone sources & sinks]]
|-
+
*Improved sea salt [[Sea salt aerosols#SST dependent sea salt emissions|emission]] & [[Sea salt aerosols#Updates to sea salt dry deposition|deposition]]
|[[GEOS-Chem v9-01-02]]
+
*Improved [[Wet_deposition#Add_scavenging_by_snow|snow scavenging]] and [[Wet deposition#Updates for aerosol scavenging efficiency|washout parameterization]]
 +
*[[Bromine chemistry mechanism|Tropospheric bromine chemistry]]
 +
*[[Stratospheric chemistry|Stratospheric P and k (monthly climatological)]]
 +
|
 +
*[http://acmg.seas.harvard.edu/geos/doc/archive/man.v9-01-03/index.html GC v9-01-03 manual]
 +
*[[GEOS-Chem v9-01-03 benchmark history|GC v9-01-03 benchmark history]]
 +
 
 +
|-valign="top"
 +
|[[GEOS-Chem v9-01-02|v9-01-02]]
 
|28 Nov 2011
 
|28 Nov 2011
|[[APM aerosol microphysics]]; [[Biomass burning emissions#GFED3|GFED3 biomass emissions]]; [[Implementation of RETRO Anthropogenic Emissions|RETRO Anthropogenic Emissions]]; [[GEOS-Chem v9-01-02#Previous issues now resolved in v9-01-02|Various fixes to correct several identified issues]]
+
|
|[[GEOS-Chem v9-01-02 benchmark history|v9-01-02 history]]
+
*[[APM aerosol microphysics]]
|-
+
*[[Biomass burning emissions#GFED3|GFED3 biomass emissions]]
|[[GEOS-Chem v9-01-01]]
+
*[[Implementation of RETRO Anthropogenic Emissions|RETRO Anthropogenic Emissions]]
 +
*[[GEOS-Chem v9-01-02#Previous issues now resolved in v9-01-02|Various fixes to correct several identified issues]]
 +
|
 +
*[http://acmg.seas.harvard.edu/geos/doc/archive/man.v9-01-02/index.html GC v9-01-02 manual]
 +
*[[GEOS-Chem v9-01-02 benchmark history|GC v9-01-02 benchmark history]]
 +
 
 +
|-valign="top"
 +
|[[GEOS-Chem v9-01-01|v9-01-01]]
 
|07 Jun 2011
 
|07 Jun 2011
|Compatibility with the GMAO [[MERRA|MERRA met data product]]; Updated lightning NOx; various fixes
+
|
|[[GEOS-Chem v9-01-01 benchmark history|v9-01-01 history]]
+
*Compatibility with the GMAO [[MERRA|MERRA met data product]]
|-
+
*Updated lightning NOx; various fixes
|[[GEOS-Chem v8-03-02]]
+
|
 +
*[http://acmg.seas.harvard.edu/geos/doc/archive/man.v9-01-01/index.html GC v9-01-01 manual]
 +
*[[GEOS-Chem v9-01-01 benchmark history|GC v9-01-01 history]]
 +
 
 +
|-valign="top"
 +
|[[GEOS-Chem v8-03-02|v8-03-02]]
 
|07 Sep 2010
 
|07 Sep 2010
 
|Updated Hg and CO2 simulations
 
|Updated Hg and CO2 simulations
|  
+
|
|-
+
*[http://acmg.seas.harvard.edu/geos/doc/archive/man.v8-03-02/index.html GC v8-03-02 manual]
|[[GEOS-Chem v8-03-01]]
+
 
 +
|-valign="top"
 +
|[[GEOS-Chem v8-03-01|v8-03-01]]
 
|04 May 2010  
 
|04 May 2010  
|ISORROPIA II; TOMAS microphysics option; Updates to SOA and photolysis
+
|
|  
+
*ISORROPIA II
|-
+
*TOMAS microphysics option
|[[GEOS-Chem v8-02-04]]
+
*Updates to SOA and photolysis
 +
|
 +
*[http://acmg.seas.harvard.edu/geos/doc/archive/man.v8-03-01/index.html GC v8-03-01 manual]
 +
 
 +
|-valign="top"
 +
|[[GEOS-Chem v8-02-04|v8-02-04]]
 
|24 Feb 2010  
 
|24 Feb 2010  
|LINOZ strat chemistry; NEI2005 anthro emissions; MEGAN v2.1 biogenic emissions
+
|
|  
+
*LINOZ strat chemistry
|-
+
*NEI2005 anthro emissions
|[[GEOS-Chem v8-02-03]]
+
*MEGAN v2.1 biogenic emissions
 +
|
 +
*[http://acmg.seas.harvard.edu/geos/doc/archive/man.v8-02-01/index.html GC v8-02-04 manual]
 +
 
 +
|-valign="top"
 +
|[[GEOS-Chem v8-02-03|v8-02-03]]
 
|Oct 2009
 
|Oct 2009
|KPP solver; ICOADS emissions; Updated makefile structure
+
|
|  
+
*KPP solver
|-
+
*ICOADS emissions
|[[GEOS-Chem v8-02-02]]
+
*Updated makefile structure
 +
|
 +
*[http://acmg.seas.harvard.edu/geos/doc/archive/man.v8-02-01/index.html GC v8-02-03 manual]
 +
 
 +
|-valign="top"
 +
|[[GEOS-Chem v8-02-02|v8-02-02]]
 
|08 Jun 2009
 
|08 Jun 2009
|Non-local PBL mixing scheme; Updated Bond BC & OC emissions
+
|
|  
+
*Non-local PBL mixing scheme
|-
+
*Updated Bond BC & OC emissions
|[[GEOS-Chem v8-02-01]]
+
|
 +
*[http://acmg.seas.harvard.edu/geos/doc/archive/man.v8-02-01/index.html GC v8-02-02 manual]
 +
 
 +
|-valign="top"
 +
|[[GEOS-Chem v8-02-01|v8-02-01]]
 
|26 May 2009
 
|26 May 2009
|Updated chemistry & photolysis reactions; Glyoxal chemistry mechanism
+
|
|  
+
*Updated chemistry & photolysis reactions
|-
+
*Glyoxal chemistry mechanism
|[[GEOS-Chem v8-01-04]]
+
|
 +
*[http://acmg.seas.harvard.edu/geos/doc/archive/man.v8-02-01/index.html GC v8-02-01 manual]
 +
 
 +
|-valign="top"
 +
|[[GEOS-Chem v8-01-04|v8-01-04]]
 
|10 Mar 2009
 
|10 Mar 2009
|Various emissions updates (regional & global inventories); GFED2 biomass emissions updates
+
|
|  
+
*Various emissions updates (regional & global inventories)
|-
+
*GFED2 biomass emissions updates
|[[GEOS-Chem v8-01-03]]
+
|
 +
*[http://acmg.seas.harvard.edu/geos/doc/archive/man.v8-01-04/index.html GC v8-01-04 manual]
 +
 
 +
|-valign="top"
 +
|[[GEOS-Chem v8-01-03|v8-01-03]]
 
|Dec 2008  
 
|Dec 2008  
|Installation of GMI TPCORE routine
+
|
|  
+
*Installation of GMI TPCORE routine
|-
+
|
|[[GEOS-Chem v8-01-02]]
+
*[http://acmg.seas.harvard.edu/geos/doc/archive/man.v8-01-04/index.html GC v8-01-03 manual]
 +
 
 +
|-valign="top"
 +
|[[GEOS-Chem v8-01-02|v8-01-02]]
 
|Nov 2008
 
|Nov 2008
|Nested grid simulations for 0.5&deg; x 0.666&deg;
+
|
|  
+
*Nested grid simulations for 0.5&deg; x 0.666&deg;
|-
+
|
|[[GEOS-Chem v8-01-01]]
+
*[http://acmg.seas.harvard.edu/geos/doc/archive/man.v8-01-04/index.html GC v8-01-02 manual]
 +
 
 +
|-valign="top"
 +
|[[GEOS-Chem v8-01-01|v8-01-01]]
 
|May 2008
 
|May 2008
|Capability to run with GEOS-5 met fields
+
|
|  
+
*Capability to run with GEOS-5 met fields
|-
+
|
|[[GEOS-Chem v7-04-13]]
+
*[http://acmg.seas.harvard.edu/geos/doc/archive/man.v8-01-04/index.html GC v8-01-01 manual]
 +
 
 +
|-valign="top"
 +
|[[GEOS-Chem v7-04-13|v7-04-13]]
 
|Nov 2007
 
|Nov 2007
|H2/HD simulation; Bug fixes in SMVGEAR, lightning, and dynamic tropopause
+
|
 +
*H2/HD simulation
 +
*Bug fixes in SMVGEAR, lightning, and dynamic tropopause
 
|  
 
|  
|-
+
 
|[[GEOS-Chem v7-04-12]]
+
|-valign="top"
 +
|[[GEOS-Chem v7-04-12|v7-04-12]]
 
|Oct 2007
 
|Oct 2007
|Introduction of dynamic tropopause
+
|
 +
*Introduction of dynamic tropopause
 
|  
 
|  
 +
 +
|-valign="top"
 +
|[http://acmg.seas.harvard.edu/geos/geos_versions.html v7-04-11 and earlier]
 +
|March 2006 and earlier
 +
|
 +
|
 +
 
|}
 
|}
  
--[[User:Bmy|Bob Y.]] 15:25, 16 January 2014 (EST)
+
NOTES:
 +
#Information about 1-year benchmark simulations can be found on the individual wiki pages for each GEOS-Chem version listed below.
 +
#For information about 1-year benchmark simulations for GEOS-Chem v8-02-04 and earlier, see [http://acmg.seas.harvard.edu/geos/geos_1yr_plots.html this website].
 +
 
 +
--[[User:Melissa Payer|Melissa Sulprizio]] ([[User talk:Melissa Payer|talk]]) 16:02, 10 August 2018 (UTC)
  
 
== Mean OH from GEOS-Chem 1-year benchmark simulations ==
 
== Mean OH from GEOS-Chem 1-year benchmark simulations ==
  
Here is a plot of the [[Mean OH lifetime in GEOS-Chem|mean OH concentration]] from several recent GEOS–Chem 1-year benchmark simulations. The mean OH is an indicator how the chemistry mechanism is performing. Typical values are 10–12 x 10<sup>5</sup> molecules cm<sup>-1</sup>.
+
Here is a plot of the [[Mean OH concentration|mean OH concentration]] from several recent GEOS–Chem 1-year benchmark simulations. The mean OH is an indicator how the chemistry mechanism is performing. Typical values are 10–12 x 10<sup>5</sup> molecules cm<sup>-1</sup>.
 +
 
 +
[[Image:GC_Mean_OH_12.0.0.png]]
 +
 
 +
--[[User:Bmy|Bob Yantosca]] ([[User talk:Bmy|talk]]) 18:16, 10 August 2018 (UTC)
 +
 
 +
== Global burden history ==
  
[[Image:GEOS-Chem-Mean_OH.png]]
+
Please see [[Global_Burden_History|our ''Global burden history'' wiki page]] to view the global burdens for several species from several recent GEOS-Chem 1-year benchmark simulations.
  
--[[User:Bmy|Bob Y.]] 12:41, 17 January 2014 (EST)
+
--[[User:Bmy|Bob Y.]] ([[User talk:Bmy|talk]]) 19:32, 9 November 2015 (UTC)
  
 
== GEOS–Chem Benchmarking Procedure ==
 
== GEOS–Chem Benchmarking Procedure ==
  
'''GEOS-Chem Benchmarking Protocol<br>adopted at the 5th International GEOS-Chem Meeting (May 2011)'''
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For a complete description about the the standard 1-month and 1-year benchmark simulations, please see our [[GEOS-Chem_benchmarking|''GEOS-Chem Benchmarking'' wiki page]].
  
#<p>Any change to the GEOS–Chem source code will require a dedicated 1-month "full-chemistry" benchmark and a version update code a,b,c... (such as v9–01–02a). These final letter codes are for internal use only and do not represent a version release. The benchmark results will be posted publicly with an email sent to the [http://acmg.seas.harvard.edu/geos/geos_steering_cmte.html GEOS–Chem Steering Committee].</p>
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--[[User:Bmy|Bob Y.]] 15:47, 30 April 2015 (EDT)
#<p>The developer will assess the benchmark results by filling out a form (created by Colette Heald and adapted to a wiki page) for all to see. If the developer has any concerns about the benchmark results they will contact the [[GEOS-Chem Support Team]], the relevant [http://acmg.seas.harvard.edu/geos/geos_working_groups.html GEOS–Chem Working Group Chairs], or Model Scientist Daniel Jacob.  GEOS–Chem Steering Committee members can also comment on the benchmark results if they desire.</p>
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#<p>Once the developer is satisfied, GEOS–Chem Model Scientist Daniel Jacob will quickly review the results and approve the new internal version.</p>
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#<p>1-year benchmarks for these internal version updates will be conducted only if justifiably requested by the developer or by GEOS–Chem Steering Committee members.</p>
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#<p>Each new version release (such as v9–01–02) will be subject to a 1-year benchmark to be inspected by the GEOS–Chem Steering Committee before approval (as was done for v9–01–01).  Changes will be bundled so that we will have new versions released only every 4 months or so — this has been our rhythm in recent years.</p>
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Also, for each new version, we shall perform a standard 1-year [[Rn-Pb-Be simulation]].  This type of simulation is useful in examining if there are any significant impacts in convection or wet scavenging.
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== GEOS-Chem Benchmark Performance ==
  
For more information about the standard 1-month and 1-year benchmark simulations, please see our [http://acmg.seas.harvard.edu/geos/geos_benchmark.html GEOS-Chem Benchmarking web page].
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For an overview of GEOS-Chem 1-month benchmark timing results, please see [[GEOS-Chem_performance#Timing_results_from_1-month_benchmarks|this wiki page]].
  
--[[User:Bmy|Bob Y.]] 10:31, 3 August 2011 (EDT)
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--[[User:Melissa Payer|Melissa Sulprizio]] ([[User talk:Melissa Payer|talk]]) 13:59, 20 September 2018 (UTC)

Revision as of 15:35, 19 February 2019

Here we have posted links to a separate wiki page describing each GEOS-Chem model version.

GEOS-Chem development history

In the table below, we list information about current and past GEOS-Chem releases. For information about upcoming releases, please visit our GEOS-Chem model development priorities wiki page.

Version Date released Important features Documentation
12.2.0 19 Feb 2019
12.1.1 13 Dec 2018
12.1.0 26 Nov 2018
12.0.3 16 Oct 2018
12.0.2 10 Oct 2018
12.0.1 24 Aug 2018
12.0.0*
aka v11-02-final

*Note the switch in version numbering system
10 Aug 2018
  • Bug fixes identified during the v11-02 release candidate period


v11-02-rc 22 Jun 2018
v11-01 20 Dec 2016 (provisional)
01 Feb 2017 (public)
v10-01 01 May 2015 (provisional)
17 Jun 2015 (public)


v9-02 17 Jan 2014 (provisional)
03 Mar 2014 (public)
v9-01-03 14 Sep 2012
v9-01-02 28 Nov 2011
v9-01-01 07 Jun 2011
v8-03-02 07 Sep 2010 Updated Hg and CO2 simulations
v8-03-01 04 May 2010
  • ISORROPIA II
  • TOMAS microphysics option
  • Updates to SOA and photolysis
v8-02-04 24 Feb 2010
  • LINOZ strat chemistry
  • NEI2005 anthro emissions
  • MEGAN v2.1 biogenic emissions
v8-02-03 Oct 2009
  • KPP solver
  • ICOADS emissions
  • Updated makefile structure
v8-02-02 08 Jun 2009
  • Non-local PBL mixing scheme
  • Updated Bond BC & OC emissions
v8-02-01 26 May 2009
  • Updated chemistry & photolysis reactions
  • Glyoxal chemistry mechanism
v8-01-04 10 Mar 2009
  • Various emissions updates (regional & global inventories)
  • GFED2 biomass emissions updates
v8-01-03 Dec 2008
  • Installation of GMI TPCORE routine
v8-01-02 Nov 2008
  • Nested grid simulations for 0.5° x 0.666°
v8-01-01 May 2008
  • Capability to run with GEOS-5 met fields
v7-04-13 Nov 2007
  • H2/HD simulation
  • Bug fixes in SMVGEAR, lightning, and dynamic tropopause
v7-04-12 Oct 2007
  • Introduction of dynamic tropopause
v7-04-11 and earlier March 2006 and earlier

NOTES:

  1. Information about 1-year benchmark simulations can be found on the individual wiki pages for each GEOS-Chem version listed below.
  2. For information about 1-year benchmark simulations for GEOS-Chem v8-02-04 and earlier, see this website.

--Melissa Sulprizio (talk) 16:02, 10 August 2018 (UTC)

Mean OH from GEOS-Chem 1-year benchmark simulations

Here is a plot of the mean OH concentration from several recent GEOS–Chem 1-year benchmark simulations. The mean OH is an indicator how the chemistry mechanism is performing. Typical values are 10–12 x 105 molecules cm-1.

GC Mean OH 12.0.0.png

--Bob Yantosca (talk) 18:16, 10 August 2018 (UTC)

Global burden history

Please see our Global burden history wiki page to view the global burdens for several species from several recent GEOS-Chem 1-year benchmark simulations.

--Bob Y. (talk) 19:32, 9 November 2015 (UTC)

GEOS–Chem Benchmarking Procedure

For a complete description about the the standard 1-month and 1-year benchmark simulations, please see our GEOS-Chem Benchmarking wiki page.

--Bob Y. 15:47, 30 April 2015 (EDT)

GEOS-Chem Benchmark Performance

For an overview of GEOS-Chem 1-month benchmark timing results, please see this wiki page.

--Melissa Sulprizio (talk) 13:59, 20 September 2018 (UTC)