GEOS-Chem 13.3.0: Difference between revisions

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'''''[[GEOS-Chem_versions|GEOS-Chem Versions Page]]'''''
'''''[[GEOS-Chem_versions|GEOS-Chem Versions Page]]'''''


This page includes information about GEOS-Chem 13.3.0 which is currently in development.
This page includes information about GEOS-Chem 13.3.0.


== Version overview ==
== Version overview ==


The items listed below have been added to GEOS-Chem 13.3.0 since [[GEOS-Chem 13.2.0]]. See also the following Github pages:
* '''Release date:''' 15 Nov 2021
* '''DOI for GEOS-Chem Classic 13.3.0:''' [https://doi.org/10.5281/zenodo.5703095 10.5281/zenodo.5703095]
* '''DOI for GCHP 13.3.0:''' [https://doi.org/10.5281/zenodo.5703410 10.5281/zenodo.5703410]
* '''DOI for HEMCO 3.2.0:''' [https://doi.org/10.5281/zenodo.5703120 10.5281/zenodo.5703120]
 
The items listed below have been added to GEOS-Chem 13.3.0 since [[GEOS-Chem 13.2.1]]. See also the following Github pages:
*[https://github.com/geoschem/geos-chem/milestone/19?closed=1 13.3.0 milestone for geoschem/geos-chem]
*[https://github.com/geoschem/geos-chem/milestone/19?closed=1 13.3.0 milestone for geoschem/geos-chem]
*[https://github.com/geoschem/GCHP/milestone/7?closed=1 13.3.0 milestone for geoschem/GCHP]
*[https://github.com/geoschem/GCHP/milestone/7?closed=1 13.3.0 milestone for geoschem/GCHP]
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|-valign="top"
|-valign="top"
!colspan="4" bgcolor="#CCFFFF"|Updates that will affect full-chemistry benchmark simulations
!colspan="4" bgcolor="#CCFFFF"|Updates that will affect full-chemistry benchmark simulations
|-valign="top"
|[https://github.com/geoschem/geos-chem/pull/985 Add extra fixes to prevent reaction rates from blowing up]
|Bob Yantosca (GCST)
|Chemistry
|
*[https://github.com/geoschem/geos-chem/pull/985 geoschem/geos-chem PR #985]
*[https://github.com/geoschem/gchp/issues/170 geoschem/GCHP #170]


|-valign="top"
|-valign="top"
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|Default
|Default
|Updated full-chemistry and TOMAS restart files with new species for 13.3.0 added.
|Updated full-chemistry and TOMAS restart files with new species for 13.3.0 added.
|<tt>ExtData/GEOSCHEM_RESTARTS/v2021-09/</tt>
|[http://geoschemdata.wustl.edu/ExtData/GEOSCHEM_RESTARTS/v2021-09/ <tt>ExtData/GEOSCHEM_RESTARTS/v2021-09/</tt>]


|-valign="top"
|-valign="top"
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|Default<br>(nested-grid simulations only)
|Default<br>(nested-grid simulations only)
|Updated sample nested-grid boundary conditions with new species for 13.3.0 added.
|Updated sample nested-grid boundary conditions with new species for 13.3.0 added.
|<tt>ExtData/HEMCO/SAMPLE_BCs/v2021-09/</tt>
|[http://geoschemdata.wustl.edu/ExtData/HEMCO/SAMPLE_BCs/v2021-09/ <tt>ExtData/HEMCO/SAMPLE_BCs/v2021-09/</tt>]


|-valign="top"
|-valign="top"
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|Default
|Default
|[https://gmd.copernicus.org/articles/14/4249/2021/ Offline dust emissions from Meng et al. (2021)]
|[https://gmd.copernicus.org/articles/14/4249/2021/ Offline dust emissions from Meng et al. (2021)]
|[http://ftp.as.harvard.edu/gcgrid/data/ExtData/HEMCO/OFFLINE_DUST/v2021-08/README <tt>HEMCO/OFFLINE_DUST/v2021-08</tt>]
|[http://geoschemdata.wustl.edu/ExtData/HEMCO/OFFLINE_DUST/v2021-08/README <tt>HEMCO/OFFLINE_DUST/v2021-08</tt>]


|-valign="top"
|-valign="top"
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|Default
|Default
|[https://github.com/geoschem/geos-chem/issues/833 Update offline dust emissions to May 2020 and add climatology]
|[https://github.com/geoschem/geos-chem/issues/833 Update offline dust emissions to May 2020 and add climatology]
|[http://ftp.as.harvard.edu/gcgrid/data/ExtData/HEMCO/VOLCANO/v2021-09/README <tt>HEMCO/VOLCANO/v2021-09</tt>]
|[http://geoschemdata.wustl.edu/ExtData/HEMCO/VOLCANO/v2021-09/README <tt>HEMCO/VOLCANO/v2021-09</tt>]


|-valign="top"
|-valign="top"
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|Optional
|Optional
|[https://github.com/geoschem/geos-chem/issues/547 EPA NEI2016 emissions (2002-2020)]
|[https://github.com/geoschem/geos-chem/issues/547 EPA NEI2016 emissions (2002-2020)]
|[http://ftp.as.harvard.edu/gcgrid/data/ExtData/HEMCO/NEI2016/v2021-06/README.md <tt>HEMCO/NEI2016/v2021-06</tt>]
|[http://geoschemdata.wustl.edu/ExtData/HEMCO/NEI2016/v2021-06/README.md <tt>HEMCO/NEI2016/v2021-06</tt>]


|}
|}
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|}
|}


=== Benchmark assessment form ===
==== 1-month fullchem: GCHP vs GEOS-Chem Classic difference of differences ====
 
This table contains plots comparing the difference [GCHP 13.3.0-rc.1 - GCHP 13.2.0] against the difference [GC Classic 13.3.0-rc.1 - GC Classic 13.2.0], taken from 1-month benchmark simulations.


{| border=1 cellspacing=0 cellpadding=5
{| border=1 cellspacing=0 cellpadding=5
|-bgcolor="#CCCCCC"
!width="325px"|Performance
!width="250px"|GEOS-Chem Classic (rc.0)
!width="250px"|GEOS-Chem Classic (rc.1)
!width="250px"|GCHP (rc.1)


|-valign="top"
|-valign="top"
|Grid resolution:
!width="325px" bgcolor="#CCFFFF"|Category
|4&deg; x 5&deg;
!colspan="4" bgcolor="#CCFFFF"|Plots
|4&deg; x 5&deg;
|C48


|-valign="top"
|-valign="top"
|# CPUs, nodes:
!
|48 CPUs<br>1 node (Intel Cascade Lake)
!colspan="2"|Level Map
|48 CPUs<br>1 node (Intel Cascade Lake)
!colspan="2"|Zonal Mean
|48 CPUs<br>2 nodes (Intel Cascade Lake)


|-valign="top"
|-valign="top"
|Wall time:
|'''Oxidants'''
|03:30:53
O3, CO, OH, NOx
|03:39:56
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Oxidants/Oxidants_Surface.pdf sfc]
|TBD
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Oxidants/Oxidants_500hPa.pdf 500hPa]
 
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Oxidants/Oxidants_FullColumn_ZonalMean.pdf full column]
|-valign="top"
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Oxidants/Oxidants_Strat_ZonalMean.pdf stratosphere]
|[[Scalability|CPU time / wall time]]:
 
|31.5510
|-valign="top"
|32.0326
|'''Aerosols'''
|TBD
DST1, DST2, DST3, DST4, NH4, NIT, SO4, BCPI, BCPO, OCPI, OCPO, AERI, BrSALA, BrSALC, ISALA, ISALC, NITs, SALA, SALC, SO4s, Simple_SOA, Complex_SOA, pFe
 
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Aerosols/Aerosols_Surface.pdf sfc]
|-valign="top"
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Aerosols/Aerosols_500hPa.pdf 500hPa]
|% of ideal performance:
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Aerosols/Aerosols_FullColumn_ZonalMean.pdf full column]
|65.73%
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Aerosols/Aerosols_Strat_ZonalMean.pdf stratosphere]
|66.73%
 
|
|-valign="top"
 
|'''Bromine'''
|-valign="top"
Bry, BrOx, Br, Br2, BrCl, BrNO2, BrNO3, BrO, CH3Br, CH2Br2, CHBr3, HOBr, HBr
|Memory:
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Bromine/Bromine_Surface.pdf sfc]
|12.097 GB
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Bromine/Bromine_500hPa.pdf 500hPa]
|12.0285 GB
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Bromine/Bromine_FullColumn_ZonalMean.pdf full column]
|TBD
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Bromine/Bromine_Strat_ZonalMean.pdf stratosphere]
 
 
|-valign="top"
|-valign="top"
|Global mean OH:<br>(% change from previous version)
|'''Chlorine'''
Cly, ClOx, Cl, ClO, Cl2, Cl2O2, ClOO, ClNO2, ClNO3, CCl4, CFCs, CH3Cl, CH2Cl2, CH3CCl3, CHCl3, HOCl, HCl, Halons, HCFCs, OClO
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Chlorine/Chlorine_Surface.pdf sfc]
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Chlorine/Chlorine_500hPa.pdf 500hPa]
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Chlorine/Chlorine_FullColumn_ZonalMean.pdf full column]
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Chlorine/Chlorine_Strat_ZonalMean.pdf stratosphere]
 
|-valign="top"
|'''Iodine'''
Iy, IxOy, I, I2, IBr, ICl, IO, IONO, IONO2, CH3I, CH2I2, CH2ICl, CH2IBr, HI, HOI, OIO
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Iodine/Iodine_Surface.pdf sfc]
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Iodine/Iodine_500hPa.pdf 500hPa]
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Iodine/Iodine_FullColumn_ZonalMean.pdf full column]
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Iodine/Iodine_Strat_ZonalMean.pdf stratosphere]
 
|-valign="top"
|'''Nitrogen'''
NOy, NOx, HNO2, HNO3, HNO4, MPAN, NIT, NO, NO2, NO3, N2O5, MPN, PAN, PPN, N2O, NHx, NH3, NH4, MENO3, ETNO3, IPRNO3, NPRNO3
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Nitrogen/Nitrogen_Surface.pdf sfc]
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Nitrogen/Nitrogen_500hPa.pdf 500hPa]
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Nitrogen/Nitrogen_FullColumn_ZonalMean.pdf full column]
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Nitrogen/Nitrogen_Strat_ZonalMean.pdf stratosphere]
 
|-valign="top"
|'''Primary Organics'''
EOH, MOH, ISOP, MTPA, MTPO, LIMO,  ALK4, BENZ, CH4, C2H6, C3H8, PRPE, TOLU, XYLE
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Primary_Organics/Primary_Organics_Surface.pdf sfc]
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Primary_Organics/Primary_Organics_500hPa.pdf 500hPa]
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Primary_Organics/Primary_Organics_FullColumn_ZonalMean.pdf full column]
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Primary_Organics/Primary_Organics_Strat_ZonalMean.pdf stratosphere]
 
|-valign="top"
|'''Secondary Organics'''
ACTA, ALD2, CH2O, HPALDs, MACR, IEPOX, ACET, HAC, MEK, MVK, ISOPN, GLYC, GLYX, HCOOH, MAP, RCHO, MP
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Secondary_Organics/Secondary_Organics_Surface.pdf sfc]
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Secondary_Organics/Secondary_Organics_500hPa.pdf 500hPa]
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Secondary_Organics/Secondary_Organics_FullColumn_ZonalMean.pdf full column]
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Secondary_Organics/Secondary_Organics_Strat_ZonalMean.pdf stratosphere]
 
|-valign="top"
|'''Secondary Organic Aerosols'''
TSOA0, TSOA1, TSOA2, TSOA3, ASOA1, ASOA2, ASOA3, ASOAN, TSOG0, TSOG1, TSOG2, TSOG3, ASOG1, ASOG2, ASOG3, INDIOL, LVOCOA, SOAIE, SOAGX, SOAP, SOAS
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Secondary_Organic_Aerosols/Secondary_Organic_Aerosols_Surface.pdf sfc]
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Secondary_Organic_Aerosols/Secondary_Organic_Aerosols_500hPa.pdf 500hPa]
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Secondary_Organic_Aerosols/Secondary_Organic_Aerosols_FullColumn_ZonalMean.pdf full column]
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Secondary_Organic_Aerosols/Secondary_Organic_Aerosols_Strat_ZonalMean.pdf stratosphere]
 
|-valign="top"
|'''Sulfur'''
SOx, DMS, OCS, SO2, SO4
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Sulfur/Sulfur_Surface.pdf sfc]
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Sulfur/Sulfur_500hPa.pdf 500hPa]
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Sulfur/Sulfur_FullColumn_ZonalMean.pdf full column]
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/Sulfur/Sulfur_Strat_ZonalMean.pdf stratosphere]
 
|-valign="top"
|'''ROy'''
H2O2, H, H2, H2O, HO2, O1D, OH, RO2
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/ROy/ROy_Surface.pdf sfc]
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/ROy/ROy_500hPa.pdf 500hPa]
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/ROy/ROy_FullColumn_ZonalMean.pdf full column]
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_13/13.3.0-rc.1/GCHP/BenchmarkResults_vs_13.3.0_rc.1/GCHP_GCC_diff_of_diffs/ROy/ROy_Strat_ZonalMean.pdf stratosphere]
 
|}
 
NOTE: At present diff-of-diffs plots are only generated for species concentrations.
 
=== Benchmark assessment form ===
 
{| border=1 cellspacing=0 cellpadding=5
|-bgcolor="#CCCCCC"
!width="325px"|Performance
!width="250px"|GEOS-Chem Classic (rc.0)
!width="250px"|GEOS-Chem Classic (rc.1)
!width="250px"|GCHP (rc.1)
 
|-valign="top"
|Grid resolution:
|4&deg; x 5&deg;
|4&deg; x 5&deg;
|C48
 
|-valign="top"
|# CPUs, nodes:
|48 CPUs<br>1 node (Intel Cascade Lake)
|48 CPUs<br>1 node (Intel Cascade Lake)
|48 CPUs<br>2 nodes (Intel Cascade Lake)
 
|-valign="top"
|Wall time:
|03:30:53
|03:39:56
|TBD
 
|-valign="top"
|[[Scalability|CPU time / wall time]]:
|31.5510
|32.0326
|TBD
 
|-valign="top"
|% of ideal performance:
|65.73%
|66.73%
|
 
|-valign="top"
|Memory:
|12.097 GB
|12.0285 GB
|TBD
 
|-valign="top"
|Global mean OH:<br>(% change from previous version)
|11.74989868895 x 10<sup>5</sup> molec/cm<sup>3</sup><br>(+4.68)
|11.74989868895 x 10<sup>5</sup> molec/cm<sup>3</sup><br>(+4.68)
|11.74659274801 x 10<sup>5</sup> molec/cm<sup>3</sup><br>(-0.028)
|11.74659274801 x 10<sup>5</sup> molec/cm<sup>3</sup><br>(-0.028)
Line 1,139: Line 1,259:
== 1-year full-chemistry benchmarks ==
== 1-year full-chemistry benchmarks ==


=== Model setup ===
=== 1-year fullchem: Model setup ===


The following table describes the GEOS-Chem setup for both GEOS-Chem Classic and GCHP 1-year benchmark simulations.
The following table describes the GEOS-Chem setup for the GEOS-Chem Classic 1-year benchmark simulation.


{| border=1 cellspacing=0 cellpadding=5
{| border=1 cellspacing=0 cellpadding=5
Line 1,151: Line 1,271:
|-valign="top"
|-valign="top"
|Compared to previous benchmark:
|Compared to previous benchmark:
|[[GEOS-Chem 13.2.0]]
|[[GEOS-Chem_13.2.0#1-year_full-chemistry_benchmarks|GEOS-Chem 13.2.0-beta.0]]


|-valign="top"
|-valign="top"
|Software environment:
|Software environment:
|ifort 18.0.5<br>OpenMPI 4.0.1<br>netcdf-fortran 4.5.2<br>CMake 3.16.1<br>ESMF 8.0.1
|gcc 10.2.0<br>OpenMPI 4.1.0<br>netcdf-fortran 4.5.3<br>CMake 3.17.3<br>ESMF 8.0.1


|-valign="top"
|-valign="top"
|Model resolution:
|Model resolution:
|
|4&deg; x 5&deg;
*GEOS-Chem Classic: 4&deg; x 5&deg;
*GCHP: c48


|-valign="top"
|-valign="top"
|Meteorology fields:
|Meteorology fields:
|[[MERRA-2]]
|[[MERRA-2]] 4&deg; x 5&deg;
*GEOS-Chem Classic: 4&deg; x 5&deg;
*GCHP: 0.5&deg; x 0.625&deg;


|-valign="top"
|-valign="top"
|Spin-up initial conditions:
|Spin-up initial conditions:
|[http://ftp.as.harvard.edu/gcgrid/data/ExtData/GEOSCHEM_RESTARTS/GC_13.0.0/ January 1, 2017 from 13.0.0 1-year benchmark]
|[http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.2.0-beta.0/GCClassic/FullChem/ July 1, 2018 from 13.2.0 1-year benchmark]
*NOTE: GCHP c48 regridded from GEOS-Chem Classic 4&deg; x 5&deg;


|-valign="top"
|-valign="top"
|Benchmark date:
|Benchmark date:
|Spin-up run: Jan 2018 - Dec 2018<br>Production run: Jan 2019 - Dec 2019
|Spin-up run: July 2018 - Dec 2018<br>Production run: Jan 2019 - Dec 2019


|}
|}
Line 1,607: Line 1,722:
*Aircraft: [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/aircraft.profile.C2H6.geos.GCC_13.3.0.pdf C2H6], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/aircraft.profile.C3H8.geos.GCC_13.3.0.pdf C3H8], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/aircraft.profile.CO.geos.GCC_13.3.0.pdf CO], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/aircraft.profile.H2O2.geos.GCC_13.3.0.pdf H2O2], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/aircraft.profile.HNO3.geos.GCC_13.3.0.pdf HNO3], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/aircraft.profile.NO.geos.GCC_13.3.0.pdf NO], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/aircraft.profile.O3.geos.GCC_13.3.0.pdf O3], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/aircraft.profile.PAN.geos.GCC_13.3.0.pdf PAN]
*Aircraft: [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/aircraft.profile.C2H6.geos.GCC_13.3.0.pdf C2H6], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/aircraft.profile.C3H8.geos.GCC_13.3.0.pdf C3H8], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/aircraft.profile.CO.geos.GCC_13.3.0.pdf CO], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/aircraft.profile.H2O2.geos.GCC_13.3.0.pdf H2O2], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/aircraft.profile.HNO3.geos.GCC_13.3.0.pdf HNO3], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/aircraft.profile.NO.geos.GCC_13.3.0.pdf NO], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/aircraft.profile.O3.geos.GCC_13.3.0.pdf O3], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/aircraft.profile.PAN.geos.GCC_13.3.0.pdf PAN]
*CO: [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/CO.profiles.mozaic.months.GCC_13.3.0.15sta.pdf Profiles], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/cmdl.latdist.GCC_13.3.0.pdf Latitudal distribution], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/CO.ships.geos.4.months.GCC_13.3.0.pdf Ships], Seasonal plots ([http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/surface.CO.geos.GCC_13.3.0.pdf Surface], <br>[http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/CO.seas.cycle.mozaic.geos.GCC_13.3.0.4lev.pdf MOZAIC 4 levels])
*CO: [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/CO.profiles.mozaic.months.GCC_13.3.0.15sta.pdf Profiles], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/cmdl.latdist.GCC_13.3.0.pdf Latitudal distribution], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/CO.ships.geos.4.months.GCC_13.3.0.pdf Ships], Seasonal plots ([http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/surface.CO.geos.GCC_13.3.0.pdf Surface], <br>[http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/CO.seas.cycle.mozaic.geos.GCC_13.3.0.4lev.pdf MOZAIC 4 levels])
*O3: Profiles ([http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/O3.profiles.geos.GCC_13.0.0.pdf GMI], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/O3.profiles.geos.GCC_13.0.0.pdf MOZAIC]), Seasonal plots ([http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/surface.O3.geos.GCC_13.0.0.pdf Surface], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/O3.seascycle.3lev.GCC_13.0.0.pdf GMI 3 levels], <br>[http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/O3.seascycle.4lev.GCC_13.0.0.pdf GMI 4 levels], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/O3.seascycle.3lev.3.mozaic.all.GCC_13.0.0.pdf MOZAIC 3 levels], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/O3.seas.cycle.mozaic.geos.GCC_13.0.0.pdf MOZAIC 4 levels])
*O3: Profiles ([http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/O3.profiles.geos.GCC_13.3.0.pdf GMI], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/O3.profiles.mozaic.geos.0.5.GCC_13.3.0.pdf MOZAIC]), Seasonal plots ([http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/surface.O3.geos.GCC_13.3.0.pdf Surface], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/O3.seascycle.3lev.GCC_13.3.0.pdf GMI 3 levels], <br>[http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/O3.seascycle.4lev.GCC_13.3.0.pdf GMI 4 levels], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/O3.seascycle.3lev.3.mozaic.all.GCC_13.3.0.pdf MOZAIC 3 levels], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/O3.seas.cycle.mozaic.geos.GCC_13.3.0.pdf MOZAIC 4 levels])
*PAN: [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/PAN.profiles.GCC_13.0.0.pdf Profiles]
*PAN: [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/PAN.profiles.GCC_13.3.0.pdf Profiles]
*PM2.5 with simple SOA: [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/Aerosol.map.PM25_simpleSOA.geos.GCC_13.0.0.pdf Maps], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/Aerosol.scatter.PM25_simpleSOA.geos.GCC_13.0.0.pdf Scatter plots]
*PM2.5 with simple SOA: [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/Aerosol.map.PM25_simpleSOA.geos.GCC_13.3.0.pdf Maps], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/Aerosol.scatter.PM25_simpleSOA.geos.GCC_13.3.0.pdf Scatter plots]
*PM2.5 with complex SOA: [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/Aerosol.map.PM25_complexSOA.geos.GCC_13.0.0.pdf Maps], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/Aerosol.scatter.PM25_complexSOA.geos.GCC_13.0.0.pdf Scatter plots]
*PM2.5 with complex SOA: [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/Aerosol.map.PM25_complexSOA.geos.GCC_13.3.0.pdf Maps], [http://ftp.as.harvard.edu/gcgrid/geos-chem/1yr_benchmarks/13.3.0-rc.0/GCClassic/FullChem/BenchmarkResults/ModelvsObs/Aerosol.scatter.PM25_complexSOA.geos.GCC_13.3.0.pdf Scatter plots]


|}
|}

Latest revision as of 18:18, 19 February 2022

GEOS-Chem Versions Page

This page includes information about GEOS-Chem 13.3.0.

Version overview

The items listed below have been added to GEOS-Chem 13.3.0 since GEOS-Chem 13.2.1. See also the following Github pages:

Feature Contributor(s) Model scope Notes
Updates that will affect full-chemistry benchmark simulations
Add extra fixes to prevent reaction rates from blowing up Bob Yantosca (GCST) Chemistry
Aromatic VOC chemistry Kelvin Bates (Harvard)
Ke Li (Harvard)
Mike Long (Harvard) 		Chemistry
C2H2 and C2H4 chemistry Kelvin Bates (Harvard)
Ke Li (Harvard)
Mike Long (GCST) 		Chemistry
CH3O2 + OH reaction Kelvin Bates (Harvard) Chemistry
HMS chemistry (via sulfate_mod.F90) Jonathan Moch (Harvard)
Mike Long (GCST) 		Chemistry
Updates to IONO2 hydrolysis from Wang et al. (2021) Tomas Sherwen (York) Chemistry
Revise gamma(N2O5) computation; cap A at 3.2e-8 Viral Shah (Harvard) Chemistry
Bug fixes in heterogeneous chemistry: Viral Shah (Harvard)
Chris Holmes(FSU) 		Chemistry
Cleaning up heterogeneous chemistry reaction rate computations Bob Yantosca (GCST) Chemistry &
Structural
Updated aerosol dry deposition Jeff Pierce (CSU) Dry deposition
Avoid double counting of acetone source from monoterpenes when using online MEGAN Dylan Millet (UMN) Emissions
Update volcano emissions to May 2020 and add climatology Christoph Keller (NASA/GMAO) Emissions
Updates that will NOT affect full-chemistry benchmark simulations
Updated offline dust emissions from Meng et al. (2021) Jun Meng (WUStL)
Yanshun Li (WUStL) 		Emissions
Update US emissions to NEI2016 (as option) Barron Henderson (EPA)
Lyssa Freese (MIT)
Melissa Sulprizio (GCST) 		Emissions
Send all HEMCO error messages to GEOS-Chem log Lizzie Lundgren (GCST) HEMCO
The ObsPack diagnostic can now use the ?ADV? wildcard Jessica Haskins (MIT) Diagnostics
Features only affecting GCHP:
Include thread number in GEOS-Chem and HEMCO error messages Lizzie Lundgren (GCST) GCHP/GEOS


GCHP Adjoint updates Colin Lee (CU Boulder) GCHP

New data directories

The following data directories have been added or updated in this version. You will have to download the directories relevant to your simulation.

Inventory Type What was added? Directory
GEOS-Chem Restart Files Default Updated full-chemistry and TOMAS restart files with new species for 13.3.0 added. ExtData/GEOSCHEM_RESTARTS/v2021-09/
Boundary conditions Default
(nested-grid simulations only) 		Updated sample nested-grid boundary conditions with new species for 13.3.0 added. ExtData/HEMCO/SAMPLE_BCs/v2021-09/
OFFLINE_DUST Default Offline dust emissions from Meng et al. (2021) HEMCO/OFFLINE_DUST/v2021-08
VOLCANO Default Update offline dust emissions to May 2020 and add climatology HEMCO/VOLCANO/v2021-09
NEI2016 Optional EPA NEI2016 emissions (2002-2020) HEMCO/NEI2016/v2021-06

1-month benchmarks

1-month fullchem: Model setup

The following table describes the GEOS-Chem setup for both GEOS-Chem Classic and GCHP 1-month benchmark simulations.

Git tag(s):

NOTE: 13.3.0-rc.0 was the original GC-Classic benchmark. During benchmarking of GCHP 13.3.0-rc.0, it was discovered that floating point numerical errors was causing GCHP benchmarks to fail. A fix was added, which was tagged with 13.3.0-rc.1.

Compared to previous benchmark: 13.2.0
Software environment: gcc 10.2.0
OpenMPI 4.1.0
netcdf-fortran 4.5.3
CMake 3.17.3
ESMF 8.0.1
Model resolution:
  • GEOS-Chem Classic: 4° x 5°
  • GCHP: c48
Meteorology fields: MERRA-2
  • GEOS-Chem Classic: 4° x 5°
  • GCHP: 0.5° x 0.625°
Initial conditions: July 1, 2019
  • NOTE: GCHP c48 restart file regridded from GEOS-Chem Classic 4° x 5°
Benchmark month: July 2019
Emissions setup: HEMCO_Config.rc
Chemistry mechanism: fullchem.eqn
This version will impact:
(select all that apply with boldface)
  • Advection
  • BL Mixing
  • Convection
  • Meteorology Fields
  • Dry Deposition
  • Wet Deposition
  • Emissions
  • Photolysis
  • Chemistry
  • Other (please specify):

Benchmark Plots and Tables

NOTES:

  • Enable PDF bookmarks in the file links to navigate between species. If you do not see bookmarks in your browser try using a different browser (not Safari) or installing an Adobe Acrobat plug-in.
  • See the species database for species definitions and details.
  • Species categories and lumped species are defined in YAML files within the GEOS-Chem post-processing software GCPy.

1-month fullchem: GEOS-Chem Classic 13.3.0-rc.0 vs 13.2.0

Below are links to plots and tables comparing 1-month simulations for GEOS-Chem Classic 13.3.0-rc.0 (Dev) and GEOS-Chem Classic 13.2.0 (Ref).

Species Category Plots Additional Information
Level Map Zonal Mean Emissions
Oxidants

O3, CO, OH, NOx

sfc 500hPa full column stratosphere sfc
Aerosols

DST1, DST2, DST3, DST4, NH4, NIT, SO4, HMS, BCPI, BCPO, OCPI, OCPO, AERI, BrSALA, BrSALC, ISALA, ISALC, NITs, SALA, SALC, SO4s, Simple_SOA, Complex_SOA, pFe

sfc 500hPa full column stratosphere column total AOD
Bromine

Bry, BrOx, Br, Br2, BrCl, BrNO2, BrNO3, BrO, CH3Br, CH2Br2, CHBr3, HOBr, HBr

sfc 500hPa full column stratosphere column total
Chlorine

Cly, ClOx, Cl, ClO, Cl2, Cl2O2, ClOO, ClNO2, ClNO3, CCl4, CFCs, CH3Cl, CH2Cl2, CH3CCl3, CHCl3, HOCl, HCl, Halons, HCFCs, OClO

sfc 500hPa full column stratosphere --
Iodine

Iy, IxOy, I, I2, IBr, ICl, IO, IONO, IONO2, CH3I, CH2I2, CH2ICl, CH2IBr, HI, HOI, OIO

sfc 500hPa full column stratosphere column total
Nitrogen

NOy, NOx, HNO2, HNO3, HNO4, MPAN, NIT, NO, NO2, NO3, N2O5, MPN, PAN, PPN, N2O, NHx, NH3, NH4, MENO3, ETNO3, IPRNO3, NPRNO3, AONITA, ETHN, BZPAN, NPHEN

sfc 500hPa full column stratosphere column total
Primary Organics

EOH, MOH, ISOP, MTPA, MTPO, LIMO, ALK4, BENZ, CH4, C2H2, C2H4, C2H6, C3H8, PRPE, TOLU, XYLE

sfc 500hPa full column stratosphere column total
Secondary Organics

ACTA, ALD2, BALD, CH2O, HPALDs, MACR, IEPOX, ACET, HAC, MEK, MVK, ISOPN, GLYC, GLYX, HCOOH, MAP, PHEN, RCHO, ETHP, MP

sfc 500hPa full column stratosphere column total
Secondary Organic Aerosols

TSOA0, TSOA1, TSOA2, TSOA3, ASOA1, ASOA2, ASOA3, ASOAN, TSOG0, TSOG1, TSOG2, TSOG3, ASOG1, ASOG2, ASOG3, INDIOL, LVOCOA, SOAIE, SOAGX, SOAP, SOAS

sfc 500hPa full column stratosphere column total
Sulfur

SOx, DMS, HMS, OCS, SO2, SO4

sfc 500hPa full column stratosphere column total
ROy

H2O2, H, H2, H2O, HO2, O1D, OH, RO2

sfc 500hPa full column stratosphere --
J-values sfc 500hPa full column stratosphere -- --
 
Emissions by HEMCO category Total

Aircraft, Anthropogenic, Biomass Burning, Biogenic, Lightning, Natural, Ocean, Seabirds, Decaying Plants, Ship, Soil, Degassing Volcanoes, Erupting Volcanoes

Emission totals Tables by species

Tables by inventory

Global mass Entire atmosphere

Troposphere only

Metrics OH concentration, MCF lifetime, CH4 lifetime

1-month fullchem: GEOS-Chem Classic 13.3.0-rc.1 vs 13.3.0-rc.0

NOTE: This benchmark shows the impact of the fixes to prevent very small concentration values from blowing up KPP reaction rate computations. The results show very minor differences.

Species Category Plots Additional Information
Level Map Zonal Mean Emissions
Oxidants

O3, CO, OH, NOx

sfc 500hPa full column stratosphere sfc
Aerosols

DST1, DST2, DST3, DST4, NH4, NIT, SO4, HMS, BCPI, BCPO, OCPI, OCPO, AERI, BrSALA, BrSALC, ISALA, ISALC, NITs, SALA, SALC, SO4s, Simple_SOA, Complex_SOA, pFe

sfc 500hPa full column stratosphere column total AOD
Bromine

Bry, BrOx, Br, Br2, BrCl, BrNO2, BrNO3, BrO, CH3Br, CH2Br2, CHBr3, HOBr, HBr

sfc 500hPa full column stratosphere column total
Chlorine

Cly, ClOx, Cl, ClO, Cl2, Cl2O2, ClOO, ClNO2, ClNO3, CCl4, CFCs, CH3Cl, CH2Cl2, CH3CCl3, CHCl3, HOCl, HCl, Halons, HCFCs, OClO

sfc 500hPa full column stratosphere --
Iodine

Iy, IxOy, I, I2, IBr, ICl, IO, IONO, IONO2, CH3I, CH2I2, CH2ICl, CH2IBr, HI, HOI, OIO

sfc 500hPa full column stratosphere column total
Nitrogen

NOy, NOx, HNO2, HNO3, HNO4, MPAN, NIT, NO, NO2, NO3, N2O5, MPN, PAN, PPN, N2O, NHx, NH3, NH4, MENO3, ETNO3, IPRNO3, NPRNO3, AONITA, ETHN, BZPAN, NPHEN

sfc 500hPa full column stratosphere column total
Primary Organics

EOH, MOH, ISOP, MTPA, MTPO, LIMO, ALK4, BENZ, CH4, C2H2, C2H4, C2H6, C3H8, PRPE, TOLU, XYLE

sfc 500hPa full column stratosphere column total
Secondary Organics

ACTA, ALD2, BALD, CH2O, HPALDs, MACR, IEPOX, ACET, HAC, MEK, MVK, ISOPN, GLYC, GLYX, HCOOH, MAP, PHEN, RCHO, ETHP, MP

sfc 500hPa full column stratosphere column total
Secondary Organic Aerosols

TSOA0, TSOA1, TSOA2, TSOA3, ASOA1, ASOA2, ASOA3, ASOAN, TSOG0, TSOG1, TSOG2, TSOG3, ASOG1, ASOG2, ASOG3, INDIOL, LVOCOA, SOAIE, SOAGX, SOAP, SOAS

sfc 500hPa full column stratosphere column total
Sulfur

SOx, DMS, HMS, OCS, SO2, SO4

sfc 500hPa full column stratosphere column total
ROy

H2O2, H, H2, H2O, HO2, O1D, OH, RO2

sfc 500hPa full column stratosphere --
J-values sfc 500hPa full column stratosphere -- --
 
Emissions by HEMCO category Total

Aircraft, Anthropogenic, Biomass Burning, Biogenic, Lightning, Natural, Ocean, Seabirds, Decaying Plants, Ship, Soil, Degassing Volcanoes, Erupting Volcanoes

Emission totals Tables by species

Tables by inventory

Global mass Entire atmosphere

Troposphere only

Metrics OH concentration, MCF lifetime, CH4 lifetime

1-month fullchem: GCHP 13.3.0-rc.1 vs 13.2.0

Below are links to plots and tables comparing 1-month simulations for GCHP 13.3.0 (Dev) and GCC 13.3.0 (Ref).

Species Category2 Plots Additional Information
Level Map Zonal Mean Emissions
Oxidants

O3, CO, OH, NOx

sfc 500hPa full column stratosphere column total
Aerosols

DST1, DST2, DST3, DST4, NH4, NIT, SO4, BCPI, BCPO, OCPI, OCPO, AERI, BrSALA, BrSALC, ISALA, ISALC, NITs, SALA, SALC, SO4s, Simple_SOA, Complex_SOA, pFe

sfc 500hPa full column stratosphere column total AOD
Bromine

Bry, BrOx, Br, Br2, BrCl, BrNO2, BrNO3, BrO, CH3Br, CH2Br2, CHBr3, HOBr, HBr

sfc 500hPa full column stratosphere column total
Chlorine

Cly, ClOx, Cl, ClO, Cl2, Cl2O2, ClOO, ClNO2, ClNO3, CCl4, CFCs, CH3Cl, CH2Cl2, CH3CCl3, CHCl3, HOCl, HCl, Halons, HCFCs, OClO

sfc 500hPa full column stratosphere --
Iodine

Iy, IxOy, I, I2, IBr, ICl, IO, IONO, IONO2, CH3I, CH2I2, CH2ICl, CH2IBr, HI, HOI, OIO

sfc 500hPa full column stratosphere column total
Nitrogen

NOy, NOx, HNO2, HNO3, HNO4, MPAN, NIT, NO, NO2, NO3, N2O5, MPN, PAN, PPN, N2O, NHx, NH3, NH4, MENO3, ETNO3, IPRNO3, NPRNO3

sfc 500hPa full column stratosphere column total
Primary Organics

EOH, MOH, ISOP, MTPA, MTPO, LIMO, ALK4, BENZ, CH4, C2H6, C3H8, PRPE, TOLU, XYLE

sfc 500hPa full column stratosphere column total
Secondary Organics

ACTA, ALD2, CH2O, HPALDs, MACR, IEPOX, ACET, HAC, MEK, MVK, ISOPN, GLYC, GLYX, HCOOH, MAP, RCHO, MP

sfc 500hPa full column stratosphere column total
Secondary Organic Aerosols

TSOA0, TSOA1, TSOA2, TSOA3, ASOA1, ASOA2, ASOA3, ASOAN, TSOG0, TSOG1, TSOG2, TSOG3, ASOG1, ASOG2, ASOG3, INDIOL, LVOCOA, SOAIE, SOAGX, SOAP, SOAS

sfc 500hPa full column stratosphere column total
Sulfur

SOx, DMS, OCS, SO2, SO4

sfc 500hPa full column stratosphere column total
ROy

H2O2, H, H2, H2O, HO2, O1D, OH, RO2

sfc 500hPa full column stratosphere --
J-values sfc 500hPa full column stratosphere -- --
 
Emissions by HEMCO category Total

Aircraft, Anthropogenic, Biomass Burning, Biogenic, Lightning, Natural, Ocean, Seabirds, Decaying Plants, Ship, Soil, Degassing Volcanoes, Erupting Volcanoes

Emission totals Tables by species

Tables by inventory

Global mass Entire atmosphere

Troposphere only

1-month fullchem: GCHP 13.3.0-rc.1 vs GEOS-Chem Classic 13.3.0-rc.1

Below are links to plots and tables comparing 1-month simulations for GCHP 13.3.0 (Dev) and GCC 13.3.0 (Ref).

Species Category2 Plots Additional Information
Level Map Zonal Mean Emissions
Oxidants

O3, CO, OH, NOx

sfc 500hPa full column stratosphere column total
Aerosols

DST1, DST2, DST3, DST4, NH4, NIT, SO4, BCPI, BCPO, OCPI, OCPO, AERI, BrSALA, BrSALC, ISALA, ISALC, NITs, SALA, SALC, SO4s, Simple_SOA, Complex_SOA, pFe

sfc 500hPa full column stratosphere column total AOD
Bromine

Bry, BrOx, Br, Br2, BrCl, BrNO2, BrNO3, BrO, CH3Br, CH2Br2, CHBr3, HOBr, HBr

sfc 500hPa full column stratosphere column total
Chlorine

Cly, ClOx, Cl, ClO, Cl2, Cl2O2, ClOO, ClNO2, ClNO3, CCl4, CFCs, CH3Cl, CH2Cl2, CH3CCl3, CHCl3, HOCl, HCl, Halons, HCFCs, OClO

sfc 500hPa full column stratosphere --
Iodine

Iy, IxOy, I, I2, IBr, ICl, IO, IONO, IONO2, CH3I, CH2I2, CH2ICl, CH2IBr, HI, HOI, OIO

sfc 500hPa full column stratosphere column total
Nitrogen

NOy, NOx, HNO2, HNO3, HNO4, MPAN, NIT, NO, NO2, NO3, N2O5, MPN, PAN, PPN, N2O, NHx, NH3, NH4, MENO3, ETNO3, IPRNO3, NPRNO3

sfc 500hPa full column stratosphere column total
Primary Organics

EOH, MOH, ISOP, MTPA, MTPO, LIMO, ALK4, BENZ, CH4, C2H6, C3H8, PRPE, TOLU, XYLE

sfc 500hPa full column stratosphere column total
Secondary Organics

ACTA, ALD2, CH2O, HPALDs, MACR, IEPOX, ACET, HAC, MEK, MVK, ISOPN, GLYC, GLYX, HCOOH, MAP, RCHO, MP

sfc 500hPa full column stratosphere column total
Secondary Organic Aerosols

TSOA0, TSOA1, TSOA2, TSOA3, ASOA1, ASOA2, ASOA3, ASOAN, TSOG0, TSOG1, TSOG2, TSOG3, ASOG1, ASOG2, ASOG3, INDIOL, LVOCOA, SOAIE, SOAGX, SOAP, SOAS

sfc 500hPa full column stratosphere column total
Sulfur

SOx, DMS, OCS, SO2, SO4

sfc 500hPa full column stratosphere column total
ROy

H2O2, H, H2, H2O, HO2, O1D, OH, RO2

sfc 500hPa full column stratosphere --
J-values sfc 500hPa full column stratosphere -- --
 
Emissions by HEMCO category Total

Aircraft, Anthropogenic, Biomass Burning, Biogenic, Lightning, Natural, Ocean, Seabirds, Decaying Plants, Ship, Soil, Degassing Volcanoes, Erupting Volcanoes

Emission totals Tables by species

Tables by inventory

Global mass Entire atmosphere

Troposphere only

1-month fullchem: GCHP vs GEOS-Chem Classic difference of differences

This table contains plots comparing the difference [GCHP 13.3.0-rc.1 - GCHP 13.2.0] against the difference [GC Classic 13.3.0-rc.1 - GC Classic 13.2.0], taken from 1-month benchmark simulations.

Category Plots
Level Map Zonal Mean
Oxidants

O3, CO, OH, NOx

sfc 500hPa full column stratosphere
Aerosols

DST1, DST2, DST3, DST4, NH4, NIT, SO4, BCPI, BCPO, OCPI, OCPO, AERI, BrSALA, BrSALC, ISALA, ISALC, NITs, SALA, SALC, SO4s, Simple_SOA, Complex_SOA, pFe

sfc 500hPa full column stratosphere
Bromine

Bry, BrOx, Br, Br2, BrCl, BrNO2, BrNO3, BrO, CH3Br, CH2Br2, CHBr3, HOBr, HBr

sfc 500hPa full column stratosphere
Chlorine

Cly, ClOx, Cl, ClO, Cl2, Cl2O2, ClOO, ClNO2, ClNO3, CCl4, CFCs, CH3Cl, CH2Cl2, CH3CCl3, CHCl3, HOCl, HCl, Halons, HCFCs, OClO

sfc 500hPa full column stratosphere
Iodine

Iy, IxOy, I, I2, IBr, ICl, IO, IONO, IONO2, CH3I, CH2I2, CH2ICl, CH2IBr, HI, HOI, OIO

sfc 500hPa full column stratosphere
Nitrogen

NOy, NOx, HNO2, HNO3, HNO4, MPAN, NIT, NO, NO2, NO3, N2O5, MPN, PAN, PPN, N2O, NHx, NH3, NH4, MENO3, ETNO3, IPRNO3, NPRNO3

sfc 500hPa full column stratosphere
Primary Organics

EOH, MOH, ISOP, MTPA, MTPO, LIMO, ALK4, BENZ, CH4, C2H6, C3H8, PRPE, TOLU, XYLE

sfc 500hPa full column stratosphere
Secondary Organics

ACTA, ALD2, CH2O, HPALDs, MACR, IEPOX, ACET, HAC, MEK, MVK, ISOPN, GLYC, GLYX, HCOOH, MAP, RCHO, MP

sfc 500hPa full column stratosphere
Secondary Organic Aerosols

TSOA0, TSOA1, TSOA2, TSOA3, ASOA1, ASOA2, ASOA3, ASOAN, TSOG0, TSOG1, TSOG2, TSOG3, ASOG1, ASOG2, ASOG3, INDIOL, LVOCOA, SOAIE, SOAGX, SOAP, SOAS

sfc 500hPa full column stratosphere
Sulfur

SOx, DMS, OCS, SO2, SO4

sfc 500hPa full column stratosphere
ROy

H2O2, H, H2, H2O, HO2, O1D, OH, RO2

sfc 500hPa full column stratosphere

NOTE: At present diff-of-diffs plots are only generated for species concentrations.

Benchmark assessment form

Performance GEOS-Chem Classic (rc.0) GEOS-Chem Classic (rc.1) GCHP (rc.1)
Grid resolution: 4° x 5° 4° x 5° C48
# CPUs, nodes: 48 CPUs
1 node (Intel Cascade Lake) 		48 CPUs
1 node (Intel Cascade Lake) 		48 CPUs
2 nodes (Intel Cascade Lake)
Wall time: 03:30:53 03:39:56 TBD
CPU time / wall time: 31.5510 32.0326 TBD
% of ideal performance: 65.73% 66.73%
Memory: 12.097 GB 12.0285 GB TBD
Global mean OH:
(% change from previous version) 		11.74989868895 x 105 molec/cm3
(+4.68) 		11.74659274801 x 105 molec/cm3
(-0.028) 		TBD
Methyl chloroform lifetime:
(% change from previous version) 		5.263415 years
(-4.47%) 		5.265200 years
(+0.033%) 		TBD
Methane lifetime:
(% change from previous version) 		8.868914 years
(-4.34%) 		8.871922 years
(+0.033) 		TBD
Details
Species, J-Values, and COLUMN AOD values that changed by 10% or more at the surface: GEOS-Chem Classic
13.3.0-rc.0 vs 13.2.0 		GEOS-Chem Classic
13.3.0-rc.1 vs 13.3.0-rc.0 		TBD
Species and J-Values that changed by 10% or more at 500 hPa: GEOS-Chem Classic
13.3.0-rc.0 vs 13.2.0 		GEOS-Chem Classic
13.3.0-rc.1 vs 13.3.0-rc.0 		TBD
Species and J-Values that changed by 10% or more in zonal mean: GEOS-Chem Classic
13.3.0-rc.0 vs 13.2.0 		GEOS-Chem Classic
13.3.0-rc.1 vs 13.3.0-rc.0 		TBD
Emissions that changed by 10% or more: GEOS-Chem Classic
13.3.0-rc.0 vs 13.2.0 		GEOS-Chem Classic
13.3.0-rc.1 vs 13.3.0-rc.0 		TBD
Overview
Below we summarize the notable changes caused by specific updates. Supplementary plots may be viewed at http://ftp.as.harvard.edu/gcgrid/geos-chem/validation/InternalBenchmarks/.

1. HMS chemistry (via sulfate_mod.F90)

This update introduces new advected species hydroxymethanesulfonate (HMS) in GEOS-Chem. This new chemistry has a relatively small impact on other species' concentrations and on global mean OH. Complete results from a 1-month benchmark evaluating the impact of this chemistry update may be viewed at this link.

2. C2H2 and C2H4 chemistry

This update introduces new advected species C2H2, C2H4, ETHN, and ETHP and adds one photolysis reaction. The new chemistry has a large (>10% impact) on GLYC, GLYX, H2O2, HCOOH, HMHP, MO2, MOH, MP, SOAGX (see this table). Global mean OH is reduced by -1.49%. Complete results from a 1-month benchmark evaluating the impact of this chemistry update may be viewed at this link.

3. Fixed typo in CloudHet

This fix has a large impact on many halogen species and changed global mean OH by +6.65%. These large changes are to be expected because the function in which this bug occurs (CloudHet) is used in the rate computations of many heterogeneous reactions. See this Github issue for further discussion on the changes from this fix.

4. Revise gamma(N2O5) computation; cap A at 3.2e-8

Prior to this fix, gamma(N2O5) (i.e. reaction probability) was too high over the oceans. This update now prevents gamma(N2O5) from exceeding ~0.036, which is consistent with lab results. We observe a relatively small (<10%) impact on most species, but ClNO2 shows a large decrease. But as gamma(N2O5) decreases, the production of ClNO2 via the reaction N2O5 + HCl = ClNO2 + HNO3 likewise decreases, so the results are to be expected. See this Github issue for further discussion on the changes from this update.

5. Updates to IONO2 hydrolysis from Wang et al. (2021)

This update replaced several heterogeneous reactions that converted gas-phase species HOI, IONO, and IONO2 to aerosol species ISALA and ISALC with the single hydrolysis reaction IONO2 + H2O = HOI + HNO3. We observe a large (>10%) impact on IONO2 and HOI, but a relatively small impact on other species (see this table). Global mean OH changed by -0.11%. See the original pull request on Github for more details of this update and its impact on model output.

6. Aromatic VOC chemistry

This update added new advected species AONITA, AROMP4, AROMP5, BALD, BENZP, BZCO3H, BZPAN, CSL, MCT, NPHEN, PHEN, along with ~45 gas-phase reactions, 1 heterogeneous reaction, and 4 photolysis reactions. The impact on other species is summarized in this table, and global mean OH changed by -0.36%. Complete results from a 1-month benchmark evaluating the impact of this chemistry update may be viewed at this link.

7. Updated aerosol dry deposition

This feature brings aerosol dry deposition in line with Emerson et al 2020, and several aerosol parameters within the dry deposition module were updated accordingly. Global mean OH increased by 0.024%. Most gas-phase species show small changes in mass (except for Br2 and ClNO2, which decreased by more than 5%). On the other hand, aerosol species such as AERI, ASOA1-4, DST1-4, show large decreases. Also, the mass of MSA increased by 7.7%. See this Github feature request for more information about this update. Complete results from a 1-month benchmark evaluating the impact of this chemistry update may be viewed at this link.

8. Update volcano emissions to May 2020 and add climatology

The volcano emissions inventory from GMAO has been updated from v20180523 to v202005. Plots for a 1-month benchmark evaluating the impact of this fix may be viewed at this link. The impact on SO2 emissions from volcanoes is:
    ###################################################################################
    ### Emissions totals for inventory VOLCANOdegas [Tg]                            ###
    ### Ref = GCC_13.3.0-alpha.7; Dev = GCC_13.3.0-alpha.8                          ###
    ###################################################################################
                                        Ref                 Dev     Dev - Ref    % diff
    VOLCANOdegas SO2   :           1.953161            1.826465     -0.126697    -6.487
  
    ###################################################################################
    ### Emissions totals for inventory VOLCANOerupt [Tg]                            ###
    ### Ref = GCC_13.3.0-alpha.7; Dev = GCC_13.3.0-alpha.8                          ###
    ###################################################################################
                                        Ref                 Dev     Dev - Ref    % diff
    VOLCANOerupt SO2   :           0.000000            0.101063      0.101063       nan

9. Avoid double counting of acetone source from monoterpenes when using online MEGAN

This update reduced ACET emissions in the MEGAN extension. Plots for a 1-month benchmark evaluating the impact of this fix may be viewed at this link. The impact on total ACET emissions from MEGAN is:
    ###################################################################################
    ### Emissions totals for inventory MEGAN [Tg]                                   ###
    ### Ref = GCC_13.2.1; Dev = GCC_13.3.0-alpha.0                                  ###
    ###################################################################################
                                        Ref                 Dev     Dev - Ref    % diff
    MEGAN ACET         :           4.967504            4.374804     -0.592700   -11.932

The following updates introduced differences on the order of numerical noise:

Approval
Requires further investigation:
Approved by:
Date of approval:

1-year full-chemistry benchmarks

1-year fullchem: Model setup

The following table describes the GEOS-Chem setup for the GEOS-Chem Classic 1-year benchmark simulation.

Git tag(s): 13.3.0-rc.0
Compared to previous benchmark: GEOS-Chem 13.2.0-beta.0
Software environment: gcc 10.2.0
OpenMPI 4.1.0
netcdf-fortran 4.5.3
CMake 3.17.3
ESMF 8.0.1
Model resolution: 4° x 5°
Meteorology fields: MERRA-2 4° x 5°
Spin-up initial conditions: July 1, 2018 from 13.2.0 1-year benchmark
Benchmark date: Spin-up run: July 2018 - Dec 2018
Production run: Jan 2019 - Dec 2019

Benchmark Plots and Tables

NOTES:

  • Enable PDF bookmarks in the file links to navigate between species. See the Species in GEOS-Chem wiki page for species definitions and details. If you do not see bookmarks in your browser try using a different browser (not Safari) or installing an Adobe Acrobat plug-in.
  • Species categories and lumped species are defined in YAML files within the GEOS-Chem post-processing software GCPy.

1-year fullchem: GEOS-Chem Classic 13.3.0-rc.0 vs 13.2.0

Below are links to plots and tables comparing 1-year full-chemistry simulations for GEOS-Chem Classic 13.3.0 (Dev) and GEOS-Chem Classic 13.2.0 (Ref).

Category1 Plots Additional Information
Level Map Zonal Mean Emissions
Oxidants

O3, CO, OH, NOx

Surface 500 hPa Full column Stratosphere Full column
Aerosols

DST1, DST2, DST3, DST4, NH4, NIT, SO4, BCPI, BCPO, OCPI, OCPO, AERI, BrSALA, BrSALC, ISALA, ISALC, NITs, SALA, SALC, SO4s, Simple_SOA, Complex_SOA

Surface 500 hPa Full column Stratosphere Full column AOD

Aerosol profiles
Aerosol burdens
Global mean AOD

Bromine

Bry, BrOx, Br, Br2, BrCl, BrNO2, BrNO3, BrO, CH4Br, CH2Br2, CH2Br2, CH3Br3, HOBr, HBr

Surface 500 hPa Full column Stratosphere Full column
Chlorine

Cly, ClOx, Cl, ClO, Cl2, Cl2O2, ClOO, ClNO2, ClNO3, CCl4, CFCs, CH3Cl, CH2Cl2, CH4CCl3, HOCl, HCl, Halons, HCFCs, OClO

Surface 500 hPa Full column Stratosphere -
Iodine

Iy, IxOy, I, I2, IBr, ICl, IO, INO2, IONO2, CH3I, CH2I2, CH2ICl, CH2IBr, HI, HOI, OIO

Surface 500 hPa Full column Stratosphere Full column
Nitrogen

NOy, NOx, HNO2, HNO3, HNO4, MPAN, NIT, NO, NO2, NO3, N2O5, MPN, PAN, PPN, N2O, NHx, NH3, NH4, MENO3, ETNO3, IPRNO3, NPRNO3

Surface 500 hPa Full column Stratosphere Full column
Primary Organics

EOH, MOH, ISOP, MTPA, MTPO, LIMO, ALK4, BENZ, CH4, C2H6, C3H8, PRPE, TOLU, XYLE

Surface 500 hPa Full column Stratosphere Full column
Secondary Organics

ACTA, ALD2, CH2O, HPALDs, MACR, IEPOX, ACET, MEK, MVK, ISOPN, GLYX, HCOOH, MAP, RCHO, MP

Surface 500 hPa Full column Stratosphere Full column
Secondary Organic Aerosols

TSOA0, TSOA1, TSOA2, TSOA3, ASOA1, ASOA2, ASOA3, ASOAN, TSOG0, TSOG1, TSOG2, TSOG3, ASOG1, ASOG2, ASOG3, INDIOL, LVOCOA, SOAIE, SOAGX, SOAP, SOAS

Surface 500 hPa Full column Stratosphere Full column
Sulfur

SOx, DMS, OCS, SO2, SO4

Surface 500 hPa Full column Stratosphere Full column
ROy

H2O2, H, H2, H2O, HO2, O1D, OH, RO2

Surface 500 hPa Full column Stratosphere -
J-values Surface 500 hPa Full column Stratosphere -
 
Emissions by HEMCO category
Emission totals
Global mass
Metrics

OH concentration, MCF lifetime, CH4 lifetime

Strat-trop exchange
Model vs Observations
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