Benchmark/GEOS-Chem 12.6.0: Difference between revisions
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|[[FAST-JX_v7.0_photolysis_mechanism#Updated_aerosol_hygroscopicity_and_optics|Updated aerosol hygroscopicity and optics]] | |[[FAST-JX_v7.0_photolysis_mechanism#Updated_aerosol_hygroscopicity_and_optics|Updated aerosol hygroscopicity and optics]] | ||
|Robyn Latimer (Dalhousie)<br>Jun Meng (Dalhousie) | |Robyn Latimer (Dalhousie)<br>Jun Meng (Dalhousie) | ||
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|[[DICE-Africa_anthropogenic_emissions_inventory#Add_EDGAR_BCPI_and_BCPO_emissions_for_remaining_sectors_to_DICE-Africa|Add EDGAR BCPI and BCPO emissions for remaining sectors to DICE-Africa]] | |||
|Tomas Sherwen (York)<br>Eloise Marais (Leicester) | |||
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!colspan="2" bgcolor="#CCFFFF"|Updates that will NOT affect full-chemistry simulations | |||
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|[[GEOS-Chem_chemistry_mechanisms#Aerosol_nitrate_photolysis_option|Aerosol nitrate photolysis option]] (off by default) | |[[GEOS-Chem_chemistry_mechanisms#Aerosol_nitrate_photolysis_option|Aerosol nitrate photolysis option]] (off by default) | ||
|Tomas Sherwen (York)<br>Prasad Kasibhatla (Duke) | |Tomas Sherwen (York)<br>Prasad Kasibhatla (Duke) | ||
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|List all 500 hPa species and J-Values that changed by 10% or more : | |List all 500 hPa species and J-Values that changed by 10% or more : | ||
| | | | ||
* Oxidants: None | |||
* Aerosols: NIT BCPI BCPO AERI BrSALA BrSALC | |||
* Nitrogen: HNO3 IPMN NIT NO NO3 N2O5 NH3 | |||
* ROy: RO2 | |||
* Sulfur: DMS SO2 | |||
* Iodine: IxOy I I2 ICl IO INO2 CH2I2 OIO | |||
* Bromine: Bry BrOx Br Br2 BrCl BrNO2 BrNO3 BrO HOBr HBr | |||
* Chlorine: Cly ClOx Cl ClO Cl2 Cl2O2 ClOO ClNO2 ClNO3 HOCl HCl OClO | |||
* Primary_Organics: ALK4 BENZ PRPE TOLU XYLE ISOP MTPA MTPO LIMO GLYX HCOOH MAP RCHO | |||
* Secondary_Organics: MEK MVK ALD2 HPALD MP ISOPN IEPOX ACTA EOH | |||
* Secondary_Organic_Aerosols: TSOA0 TSOA1 TSOG0 TSOG1 ASOG1 INDIOL ISN1OA LVOCOA SOAIE SOAGX SOAME SOAMG | |||
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|Comments on observed differences: | |Comments on observed differences: | ||
|'''''Below we summarize the notable changes caused by specific updates.''''' | |'''''Below we summarize the notable changes caused by specific updates.''''' | ||
'''[[GEOS-Chem_chemistry_mechanisms#Cloud_heterogeneous_chemistry|Combined heterogeneous chemistry updates]]''' | |||
:This update causes widespread changes in species concentrations. Global mean OH concentrations change by -4.14% due to this update alone. Notable changes at the surface include increases in NO3 and N2O5 over land and global decrease in HNO2. NOy decreases globally in the mid-to-upper troposphere. | |||
'''[[Dry_deposition#Cold-temperature_dry_deposition_updates|HNO3 cold-temperature deposition]]''' | |||
:With this update, HNO3 concentrations decrease slightly at the surface and aloft while NOy increases slightly at all levels. | |||
'''[[Secondary_organic_aerosols#Removal_of_VBS_isoprene_SOA|Remove isoprene in VBS]] (leaving aqueous)''' | |||
'''[[FAST-JX_v7.0_photolysis_mechanism#Updated_aerosol_hygroscopicity_and_optics|Updated aerosol hygroscopicity and optics]]''' | |||
'''[[DICE-Africa_anthropogenic_emissions_inventory#Scale_DICE-Africa_emissions_to_address_errors_in_inventory|Scale DICE-Africa emissions to address errors in inventory]]''' | '''[[DICE-Africa_anthropogenic_emissions_inventory#Scale_DICE-Africa_emissions_to_address_errors_in_inventory|Scale DICE-Africa emissions to address errors in inventory]]''' | ||
:This update contributes to changes in BC and OC concentrations over and just downwind of Africa. Slight differences can also be seen over Africa in the emission maps. The impact on the inventory emission totals are included below. | :This update contributes to changes in BC and OC concentrations over and just downwind of Africa. Slight differences can also be seen over Africa in the emission maps. The impact on the inventory emission totals are included below. | ||
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DICEAfrica BCPI : 0.004153 0.006925 0.002772 Tg | DICEAfrica BCPI : 0.004153 0.006925 0.002772 Tg | ||
DICEAfrica BCPO : 0.016612 0.027698 0.011087 Tg | DICEAfrica BCPO : 0.016612 0.027698 0.011087 Tg | ||
'''The following updates produced small changes:''' | '''The following updates produced small changes:''' | ||
*'''[[GEOS-Chem_12#Quick_fix_for_aerosol_pH_calculation_when_dry|Quick fix for aerosol pH calculation when dry]]''' | |||
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Revision as of 14:47, 19 September 2019
This page includes information about all benchmark simulations for GEOS-Chem 12.6.0.
GEOS-Chem Classic 1-month benchmark
Benchmark plots
Enable PDF bookmarks1 in the files linked below to navigate between species. See the Species in GEOS-Chem wiki page for species definitions and details.
Species Category2 | Plots | Additional Information | ||||
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Level Map | Zonal Mean | Emissions | ||||
Oxidants
O3, CO, OH, NOx |
sfc | 500hPa | full column | stratosphere | sfc | |
Aerosols
NH4, NIT, SO4, DST1, DST2, DST3, DST4, BC, OC, AERI, BrSALA, BrSALC, ISALA, ISALC, NITs, SALA, SALC, SO4s, SOA_Simple, SOA_Complex |
sfc | 500hPa | full column | stratosphere | sfc | AOD |
Bromine
Bry, BrOx, Br, Br2, BrCl, BrNO2, BrNO3, BrO, CH4Br, CH2Br2, CH2Br2, CH3Br3, HOBr, HBr |
sfc | 500hPa | full column | stratosphere | sfc | |
Chlorine
Cly, ClOx, Cl, ClO, Cl2, Cl2O2, ClOO, ClNO2, ClNO3, CCl4, CFCs, CH3Cl, CH2Cl2, CH4CCl3, HOCl, HCl, Halons, HCFCs, OClO |
sfc | 500hPa | full column | stratosphere | -- | |
Iodine
Iy, IxOy, I, I2, IBr, ICl, IO, INO2, IONO2, CH3I, CH2I2, CH2ICl, CH2IBr, HI, HOI, OIO |
sfc | 500hPa | full column | stratosphere | sfc | |
Nitrogen
NOy, NOx, HNO2, HNO3, HNO4, IMPN, NIT, NO, NO2, NO3, N2O5, MPN, PAN, PPN, N2O, NHx, NH3, NH4 |
sfc | 500hPa | full column | stratosphere | sfc | |
Primary Organics
ALK4, BENZ, CH4, C2H6, C2H4, C3H8, PRPE, TOLU, XYLE, ISOP, MTPA, MTPO, LIMO, GLYX, HCOOH, MAP, MBO, MOH, RCHO |
sfc | 500hPa | full column | stratosphere | sfc | |
Secondary Organics
ACET, MEK, MVK, ALD2, CH2O, HPALD, MP, ISOPN, IEPOX, ACTA, EOH, MOH |
sfc | 500hPa | full column | stratosphere | sfc | |
Secondary Organic Aerosols
SOAP, SOAS, TSOA0, TSOA1, TSOA2, TSOA3, ISOA1, ISOA2, ISOA3, ASOA1, ASOA2, ASOA3, ASOAN, TSOG0, TSOG1, TSOG2, TSOG3, ISOG1, ISOG2, ISOG3, ASOG1, ASOG2, ASOG3, INDIOL, ISN1OA, LVOCOA, SOAIE, SOAGX, SOAME, SOAMG |
sfc | 500hPa | full column | stratosphere | sfc | |
Sulfur
SOx, DMS, OCS, SO2, SO4 |
sfc | 500hPa | full column | stratosphere | sfc | |
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 | |||||
Global mass | Entire atmosphere | |||||
OH metrics | OH concentration, MCF lifetime, CH4 lifetime |
1All plots created with GCPy have PDF bookmarks. If you do not see them in your browser try using a different browser (not Safari) or installing an Adobe Acrobat plug-in.
2Species category and lumped species definitions are simple to adjust. Updating them requires only editing the json files.
Benchmark assessment form
Description | |||||||||||||||||||||||||||||||||
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New features added into GEOS-Chem |
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Version, resolution, met fields used: | GEOS-FP (72L), 4x5, July 2016 | ||||||||||||||||||||||||||||||||
1-month benchmark finished on: | Sat Sep 14 03:12:29 EDT 2019 | ||||||||||||||||||||||||||||||||
Performance statistics: |
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Compared to previous benchmark: | 12.5.0 | ||||||||||||||||||||||||||||||||
This update will impact: (select all that apply with boldface) |
Advection, BL Mixing, Convection, Met Fields, Dry Dep, Wet Dep, Stratosphere, Emissions, Photolysis, Chemistry, Other (please specify): | ||||||||||||||||||||||||||||||||
Unit test results may be viewed at: | http://ftp.as.harvard.edu/gcgrid/geos-chem/1mo_benchmarks/GC_12/12.6.0/GCC/Plots/GC_12.6.0_Sep13.results.html | ||||||||||||||||||||||||||||||||
Metrics | |||||||||||||||||||||||||||||||||
Global mean OH from log file (% change): | 11.7776515135847 x 105 molec/cm3 (-5.54%) | ||||||||||||||||||||||||||||||||
Methyl chloroform lifetime (% change): | 5.3395 (4.07%) | ||||||||||||||||||||||||||||||||
Methane lifetime (% change): | 8.9801 years (3.83%) | ||||||||||||||||||||||||||||||||
List all SURFACE species, J-Values, and COLUMN AOD values that changed by 10% or more: |
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List all 500 hPa species and J-Values that changed by 10% or more : |
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List all ZONAL MEAN species and J-Values that changed by 10% or more: |
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List all EMISSIONS that changed by 10% or more: |
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Comments on observed differences: | Below we summarize the notable changes caused by specific updates.
Combined heterogeneous chemistry updates
############################################################################### ### Inventory totals for DICEAfrica ### ### Ref = GC_12.5.0; Dev = GC_12.6.0 ### ############################################################################### Ref Dev Dev - Ref DICEAfrica BCPI : 0.004153 0.006925 0.002772 Tg DICEAfrica BCPO : 0.016612 0.027698 0.011087 Tg
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Comments on additional differences in GCHP: | |||||||||||||||||||||||||||||||||
Approval | |||||||||||||||||||||||||||||||||
Requires further investigation: | |||||||||||||||||||||||||||||||||
Approved by: | |||||||||||||||||||||||||||||||||
Date of approval: |
GCHP 1-month benchmark
The following sections contain validation plots for GCHP 12.6.0.
Comparison of GCHP versions
This table contains plots comparing GCHP 12.5.0 (Ref) and GCHP 12.6.0 (Dev) for a 1-month simulation.
Category | Plots | Additional Information | ||||
---|---|---|---|---|---|---|
Level Map | Zonal Mean | Emissions | ||||
Oxidants | sfc | 500hPa | full column | stratosphere | full column | |
Aerosols | sfc | 500hPa | full column | stratosphere | full column | Column AOD |
Bromine | sfc | 500hPa | full column | stratosphere | full column | |
Chlorine | sfc | 500hPa | full column | stratosphere | -- | |
Iodine | sfc | 500hPa | full column | stratosphere | full column | |
Nitrogen | sfc | 500hPa | full column | stratosphere | full column | |
Primary Organics | sfc | 500hPa | full column | stratosphere | full column | |
Secondary Organics | sfc | 500hPa | full column | stratosphere | full column | |
Secondary Organics | sfc | 500hPa | full column | stratosphere | full column |
|
Sulfur | sfc | 500hPa | full column | stratosphere | full column | |
Emissions by HEMCO category |
Aircraft,
Anthro,
Bioburn,
Biogenic, |
Emission totals |
Comparison of GCHP and GEOS-Chem Classic
This table contains plots comparing GEOS-Chem Classic 12.6.0 (Ref) against GCHP 12.6.0 (Dev) for a 1-month simulation.
Category | Plots | Additional Information | ||||
---|---|---|---|---|---|---|
Level Map | Zonal Mean | Emissions | ||||
Oxidants | sfc | 500hPa | full column | stratosphere | full column | |
Aerosols | sfc | 500hPa | full column | stratosphere | full column | Column AOD |
Bromine | sfc | 500hPa | full column | stratosphere | full column | |
Chlorine | sfc | 500hPa | full column | stratosphere | -- | |
Iodine | sfc | 500hPa | full column | stratosphere | full column | |
Nitrogen | sfc | 500hPa | full column | stratosphere | full column | |
Primary Organics | sfc | 500hPa | full column | stratosphere | full column | |
Secondary Organics | sfc | 500hPa | full column | stratosphere | full column | |
Secondary Organic Aerosols | sfc | 500hPa | full column | stratosphere | full column | |
Sulfur | sfc | 500hPa | full column | stratosphere | full column | |
Emissions by HEMCO category |
Aircraft,
Anthro,
Bioburn,
Biogenic, |
Emission totals |
GCHP and GEOS-Chem Classic difference of differences
This table contains plots comparing the difference [GCHP 12.6.0 - GCHP 12.5.0] against the difference [GC Classic 12.6.0 - GC Classic 12.5.0], taken from 1-month benchmark simulations.
Category | Plots | |||
---|---|---|---|---|
Level Map | Zonal Mean | |||
Oxidants | sfc | 500hPa | full column | stratosphere |
Aerosols | sfc | 500hPa | full column | stratosphere |
Bromine | sfc | 500hPa | full column | stratosphere |
Chlorine | sfc | 500hPa | full column | stratosphere |
Iodine | sfc | 500hPa | full column | stratosphere |
Nitrogen | sfc | 500hPa | full column | stratosphere |
Primary Organics | sfc | 500hPa | full column | stratosphere |
Secondary Organics | sfc | 500hPa | full column | stratosphere |
Secondary Organic Aerosols | sfc | 500hPa | full column | stratosphere
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Sulfur | sfc | 500hPa | full column | stratosphere |
NOTE: At present, we have only created the diff-of-diffs plots for species concentration. This can be extended to other categories in the future.