GEOS-Chem 12.2.1

GEOS-Chem 12.2.1
Released 28 Feb 2019

Contains the following updates:
(1) Bug fix: netCDF diagnostic collections with frequency "End" now properly span leap year days
(2) Move module-level variables from Linoz and MODIS LAI
(3) Make polar bromine explosion the default option in Hg simulation
(4) Add biomass burning subgrid coagulation option in TOMAS simulations
(5) Restore DST1, DST2, DST3, and DST4 in TOMAS simulations
(6) Fix Henry's Law coefficient for C2H6
(7) Add routine to save the GC species database to JSON format (commented out)
(8) Add RRTMG fluxes to netCDF diagnostics
(9) Fix for CO2 simulation chemical source
(10) Update MODIS LAI source directory for GCHP to match GEOS-Chem Classic
(11) Missing scaling factors for MERRA-2 simulations with GCHP
(12) Use online sea flux emissions by default in GCHP

For more information about this release. please see:
http://wiki.geos-chem.org/GEOS-Chem_12#12.2.1

Also please see the GEOS-Chem online manual at:
http://manual.geos-chem.org

This release is compatible with GCHP. See the GCHP online manual for more information:
http://wiki.seas.harvard.edu/geos-chem/index.php/Getting_Started_With_GCHP

Learn how you can run GEOS-Chem on the Amazon Web Services cloud computing platform:
http://cloud.geos-chem.org

GEOS-Chem 12.2.0

GEOS-Chem 12.2.0
Released 19 Feb 2019

Contains the following updates:
(1) Retire BRAVO emissions and use CEDS for Mexico instead
(2) Update mask file applied to NEI2011 emissions
(3) Transport Tracers simulation: a common set of tracers in GEOS-Chem and GEOS
(4) ObsPack diagnostic
(5) GFAS biomass burning emissions (as an option)
(6) Fix bug in stratosperic aerosol surface area netcdf diagnostics
(7) Update from HEMCO 2.1.010 to HEMCO 2.1.011:
(a) Now wrap the remaining HEMCO extensions in instances (to facilitate running in HPC environments)
(b) Update HEMCO standalone for compatibility with FlexGrid met field names
(c) HEMCO standalone now calls HCO_RUN in two phases
(8) Update ESMF version in GCHP from v5.2.0rp2 to v7.1.0r
(9) New fields in GCHP output restart file
(10) Bug fix: use checkpoint output file as subsequent run restart

For more information about this release. please see:
http://wiki.geos-chem.org/GEOS-Chem_12#12.2.0

Also please see the GEOS-Chem online manual at:
http://manual.geos-chem.org

This release is compatible with GCHP. See the GCHP online manual for more information:
http://wiki.seas.harvard.edu/geos-chem/index.php/Getting_Started_With_GCHP

Learn how you can run GEOS-Chem on the Amazon Web Services cloud computing platform:
http://cloud.geos-chem.org

GEOS-Chem 12.1.1

GEOS-Chem 12.1.1
Released 13 Dec 2018

Contains the following updates:
(1) Bug fix for tagged CO: don't multiply emissions timestep by 60
(2) Bug fix for planeflight diagnostic: skip observations that lie outside the nested domain
(3) Always compile with BPCH_TPBC=y to enable the bpch code for nested boundary conditions
(4) Do not create the hemco_standalone.x executable when compiling in HPC environments
(5) Bug fix: Add missing dependency for flexgrid_read_mod in the GeosCore/Makefile
(6) Add GCHP transport fix to prevent instant propagation from troposphere to stratosphere

For more information about this release. please see:
http://wiki.geos-chem.org/GEOS-Chem_12#12.1.0

Also please see the GEOS-Chem online manual at:
http://manual.geos-chem.org

This release is compatible with GCHP. See the GCHP online manual for more information:
http://wiki.seas.harvard.edu/geos-chem/index.php/Getting_Started_With_GCHP

Learn how you can run GEOS-Chem on the Amazon Web Services cloud computing platform:
http://cloud.geos-chem.org

GEOS-Chem 12.1.0

GEOS-Chem 12.1.0
Released 26 Nov 2018

This release contains several new features as well as fixes for issues discovered after the GEOS-Chem 12.0.3 release, including:

(1) Budget diagnostics
(2) Anthropogenic PM2.5 dust source
(3) GEOS-Chem restart file updates
(4) Updates and fixes for the CEDS anthropogenic emissions inventory
(5) HEMCO fixes
(6) Fix mass conservation in non-local PBL mixing
(7) Allow for SZA to 98 degrees when getting photolysis rates
(8) FlexGrid Stage 1: Use HEMCO to read met fields
(9) Add support for continuous integration with TravisCI
(10) Added netCDF diagnostics for several specialty simulations
(11) Convert input data for RRTMG from bpch to netCDF for input via HEMCO
(12) Add fixes for seasonal scale factors in CH4 simulations
(13) Move Fast-JX .dat files from the geos-chem-unittestrepository to gcgrid/ExtData
(14) Update HEMCO configuration file for the tagged CO simulation
(15) Structural updates to facilitate interfacing GEOS-Chem into WRF
(16) Structural updates to facilitate interfacing GEOS-Chem into GEOS-5
(17) Fix masking bug to correctly apply anthropogenic emissions in GCHP
(18) Remove erroneous 180 degree longitude shift in APEI regridding for GCHP
(19) Move GCHP run directory creation from GEOS-Chem Unit Tester to GCHP repository

For more information about this release. please see:
http://wiki.geos-chem.org/GEOS-Chem_12#12.1.0

Also please see the GEOS-Chem online manual at:
http://manual.geos-chem.org

This release is compatible with GCHP. See the GCHP online manual for more information:
http://wiki.seas.harvard.edu/geos-chem/index.php/Getting_Started_With_GCHP

GEOS-Chem 12.0.3 release

GEOS-Chem 12.0.3
Released 16 Oct 2018

This release contains two bug fixes for High Performance GEOS-Chem (GCHP), one for an issue was discovered after the GEOS-Chem 12.0.2 release and another for an issue persisting over several past versions. They are, respectively:

(1) Fix incorrect GCHP run configuration for offline sea salt emissions (run directory update only)
(2) Fix bug in application of CFC surface mixing ratios in GCHP

For more information about this release, please see:
http://wiki.geos-chem.org/GEOS-Chem_12#12.0.3

Also please see the GEOS-Chem online manual at:
http://manual.geos-chem.org

This release is compatible with GCHP. See the GCHP online manual for more information:
http://wiki.seas.harvard.edu/geos-chem/index.php/Getting_Started_With_GCHP

GEOS-Chem 12.0.2 release

GEOS-Chem 12.0.2
Released 10 Oct 2018

This release contains fixes for minor issues that were discovered after the GEOS-Chem 12.0.1 release, namely:

(1) Fixed local-time averaging issue in ND51/ND51b satellite timeseries diagnostics
(2) Fix to correct missing BC/OC biomass emissions in TOMAS simulations
(3) Fix for aerosol dry-deposition in TOMAS simulations
(4) Avoid double-counting of emissions in CO2 simulations

For more information about this release. please see:
http://wiki.geos-chem.org/GEOS-Chem_12#12.0.2

Also please see the GEOS-Chem online manual at:
http://manual.geos-chem.org

GEOS-Chem 12.0.1 release

GEOS-Chem 12.0.1
Released 24 Aug 2018

This release contains fixes for minor issues that were discovered after the GEOS-Chem 12.0.0 release, namely:

(1) Updates for compiling with GNU Fortran 8
(2) Fixes for minor bugs in diagnostics
(3) Fixes for minor issues in the Hg specialty simulation

For more information about this release. please see:
http://wiki.geos-chem.org/GEOS-Chem_12#12.0.1

Also please see the GEOS-Chem online manual at:
http://manual.geos-chem.org

GEOS-Chem 12.0.0 release

GEOS-Chem 12.0.0
Released 10 Aug 2018

For more information about this release see:
http://wiki.geos-chem.org/GEOS-Chem_12#12.0.0