GEOS-Chem 13.4.0
This page includes information about GEOS-Chem 13.4.0 (currently under development)
Contents
- 1 Version overview
- 2 New data directories
- 3 Notes for viewing benchmark plots
- 4 1-month full-chemistry benchmarks
- 4.1 1-month benchmark setup
- 4.2 1-month internal benchmarks
- 4.3 1-month benchmark assessment form
- 4.4 1-month GEOS-Chem Classic version comparison (13.4.0-rc.3 vs 13.3.0-rc.1)
- 4.5 1-month GCHP version comparison (13.4.0-rc.3 vs 13.3.0-rc.1)
- 4.6 1-month GCHP (13.4.0-rc.3) vs. GEOS-Chem Classic (13.4.0-rc.3) comparison
- 4.7 1-month GCHP vs GEOS-Chem-Classic diff-of-diffs
- 5 1-year full-chemistry benchmarks
- 6 1-year transport tracers benchmarks
Version overview
The following items have been added to GEOS-Chem 13.4.0 since the last GEOS-Chem version GEOS-Chem 13.3.4. Also see the following Github pages:
- 13.4.0 milestone for geoschem/geos-chem
- 13.4.0 milestone for geoschem/GCHP
- 3.4.0 milestone for geoschem/HEMCO
Feature | Contributor(s) | Model scope | Notes and references |
---|---|---|---|
Updates that will affect full-chemistry benchmark simulations | |||
Migrate sulfate chemistry into KPP | Mike Long (Harvard) Viral Shah (Harvard) Bob Yantosca (GCST) |
Chemistry | |
Convert the HOCl & HOBr reactions with dissolved SO2 to use gas phase SO2 | Mike Long (Harvard) | Chemistry | |
Turn off sea salt debromination by default | Viral Shah (Harvard) Melissa Sulprizio (GCST) |
Chemistry & Emissions |
|
Fix bug in Henry law CALC_HEFF routine in hetchem computations | Viral Shah (Harvard) | Chemistry | |
Bug fix: Remove double-counting of HCl uptake on acidic sea salt | Viral Shah (Harvard) | Chemistry | |
Update surface resistance for ozone deposition to ice/snow | Ryan Pound (York) Shuting Zhai (UW) |
Dry deposition | |
AEIC 2019 aircraft emissions inventory | Seb Eastham (MIT) Thibaud Fritz (MIT) |
Emissions | |
Use degassing-only volcano emissions in GEOS-Chem benchmark simulations | Christoph Keller (GMAO) Daniel Jacob (Harvard) |
Emissions & Benchmarking |
|
Fix end year for CEDS_NO_SHIP and MULTISEAICE entries in HEMCO_Config.rc | Liam Bindle (GCST) | Emissions | |
Fix parallelization errors in GEOS-Chem Classic and add updates for better numerical stability | Bob Yantosca (GCST) | Structural | |
Use updated definition of PM2.5; Add PM10 diagnostic | Bob Yantosca (GCST) | Diagnostics & Benchmarking |
|
Updates that will NOT affect full-chemistry benchmark simulations | |||
Updated Hg chemistry in KPP | Viral Shah (Harvard) Colin Thackray (Harvard) Mike Long (GCST) Bob Yantosca (GCST) |
Chemistry |
|
Bug fix: Use REAL*8 precision in for CH3O2 + OH reaction definition in fullchem.eqn | Bob Yantosca (GCST) | Chemistry |
|
Updated Global Inventory of Methane Emissions from Oil/Gas/Coal (GFEI v2) | Tia Scarpelli (U. Edinburgh) Melissa Sulprizio (GCST) |
Emissions |
|
Anthropogenic Methane Emission Inventory for Canada | Tia Scarpelli (U. Edinburgh) Melissa Sulprizio (GCST) |
Emissions |
|
Use EDGARv6 global anthro emissions for CH4 simulation | Melissa Sulprizio (GCST) | Emissions | |
Updated Rn-222 emissions for TransportTracers simulations | Bo Zhang (NIA) | Emissions |
|
Retire HEMCO extension for CH4 wetland emissions | Melissa Sulprizio (GCST) | Emissions |
|
Updates to enable automated run directory creation | Liam Bindle (GCST) Melissa Sulprizio (GCST) |
Run directory |
|
Bug fix: Allow GEOS-Chem Classic History to archive irregular intervals (e.g. a month and a day) | Bob Yantosca (GCST) | Diagnostics |
|
Updates for running GEOS-Chem within GEOS | Christoph Keller (GMAO) Lizzie Lundgren (GCST) |
GEOS |
|
Add CH4 pseudo flux diagnostic | Christoph Keller (GMAO) | Diagnostics | |
Add capability to write GEOS-Chem Classic timers to JSON file | Bob Yantosca (GCST) | Diagnostics | |
Update tagged Ox simulation to use archived prod/loss rates from GEOS-Chem and retire Linoz | Bob Yantosca (GCST) | Specialty simulation | |
Apply bug fix for dust aciduptake simulation | Shixian Zhai (Harvard) | Chemistry | |
Updates that will only affect GCHP | |||
Add capability to use mass fluxes in advection | Sebastian Eastham (MIT) Liam Bindle (GCST) |
Advection | |
Switch advection to use total pressure (rather than dry) | Sebastian Eastham (MIT) Liam Bindle (GCST) |
Advection | |
Add option for driving GCHP with native GEOS meteorological files | Liam Bindle (GCST) | Structural | |
Add diagnostic for vertical air movement (vertical mass flux) | Liam Bindle (GCST) | Diagnostics | |
Define a GCHP "Default" diagnostic collection that will archive a small number of commonly-requested diagnostic fields | Liam Bindle (GCST) | Structural | |
Add capability to read native meteorological data files | Liam Bindle (GCST) Bob Yantosca (GCST) |
Structural | |
Fix communicators leak | Weiyuan Jiang (GSFC) | Bug fix |
|
Fix unintuitive error handling when untemplated file is missing | Sebastian Eastham (MIT) | Bug fix | |
Fix incorrect output file timestamp with 24-hour duration and 1-hour frequency | Atanas Troyanov (GMAO) | Bug fix | |
Fix units in FV3 mass flux variable that impacted vertical mass flux diagnostic | Bill Putman (GMAO) | Bug fix | |
Move call to setup_wetscav to prevent zero C_H2O used in wet scavening in first timestep | Lizzie Lundgren (GCST) | Bug fix |
|
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 | Simulations | What was added? | Directory |
---|---|---|---|
AEIC2019 |
|
Aircraft emissions (with prior year scaling factors) from the AEIC inventory.
|
ExtData/AEIC2019/v2022-03/ |
Updated CH4 anthropogenic emissions: |
|
ExtData/HEMCO/CH4/v2022-01 | |
Updated Hg simulation restart file |
|
Sample restart file for the updated Hg mechanism. See Viral Shah et al (2021) | ExtData/GEOSCHEM_RESTARTS/v2021-12 |
Updated TOMAS simulation restart files |
|
Added HSO3m and SO3mm species to TOMAS restart files | ExtData/GEOSCHEM_RESTARTS/v2021-12 |
ZHANG_Rn222 |
|
Updated Rn222 emissions for TransportTracers simulations. See Bo Zhang et al (2021) | ExtData/HEMCO/ZHANG_Rn222/v2021-11 |
Notes for viewing benchmark plots
- 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 full-chemistry benchmarks
1-month benchmark setup
The following table describes the GEOS-Chem setup for both GEOS-Chem Classic and GCHP 1-month benchmark simulations.
Git tag(s): |
|
Compared to previous benchmark: | 13.3.0 |
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: |
|
Meteorology fields: | MERRA-2
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Initial conditions: | July 1, 2019
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Benchmark month: | July 2019 |
Emissions setup: | HEMCO_Config.rc |
Chemistry setup: | fullchem.eqn |
This version will impact: (select all that apply with boldface) |
|
1-month internal benchmarks
Each update that will introduce a significant change in the full-chemistry simulation is tagged with an alpha version in Git. For each of these alpha versions, the GCST runs an internal 1-month benchmark simulation to isolate the impact from that update. Plots and tables for the internal benchmarks may be viewed at http://ftp.as.harvard.edu/gcgrid/geos-chem/validation/InternalBenchmarks/13.4.0/.
For more details on the update(s) included in each alpha version, see this README.
1-month benchmark assessment form
Performance | GEOS-Chem Classic | GCHP | ||
---|---|---|---|---|
Grid resolution: | 4° x 5° | C48 | ||
# CPUs, nodes: | 48 CPUs 1 node (Intel Cascade Lake) |
96 CPUs 2 nodes (Intel Cascade Lake) | ||
Wall time: | 03:17:57 | 05:47:22 | ||
CPU time / wall time: | 30.66 | 95.31 | ||
% of ideal performance: | 63.86% | 97.3% | ||
Memory: | 11.3411 GB | 129.2 GB | ||
Global mean OH: (% change from previous version) |
12.19481805525 x 105 molec/cm3 (+3.82%) |
12.07125560163 x 105 molec/cm3 (+3.33%) | ||
Methyl chloroform lifetime: (% change from previous version) |
5.065134 years (-3.80%) |
5.112511 years (-3.55%) | ||
Methane lifetime: (% change from previous version) |
8.535706 years (-3.79%) |
8.613382 years (-3.57%) | ||
Details | ||||
Species, J-Values, and COLUMN AOD values that changed by 10% or more at the surface: | GEOS-Chem Classic 13.4.0-rc.3 vs. 13.3.0-rc.0 |
GCHP 13.4.0-rc.3 vs. 13.3.0-rc.0 | ||
Species and J-Values that changed by 10% or more at 500 hPa: | GEOS-Chem Classic 13.4.0-rc.3 vs. 13.3.0-rc.0 |
GCHP 13.4.0-rc.3 vs. 13.3.0-rc.0 | ||
Species and J-Values that changed by 10% or more in zonal mean: | GEOS-Chem Classic 13.4.0-rc.3 vs. 13.3.0-rc.0 |
GCHP 13.4.0-rc.3 vs. 13.3.0-rc.0 | ||
Emissions that changed by 10% or more: | GEOS-Chem Classic 13.4.0-rc.3 vs. 13.3.0-rc.0 |
GCHP 13.4.0-rc.3 vs. 13.3.0-rc.0 | ||
Overview | ||||
Below we summarize the notable changes caused by specific updates. See also the internal benchmark results which isolate impacts from specific updates.
1. Migrating sulfate chemistry into KPP An error in GEOS-Chem 13.3.0 meant that HMS chemistry was not properly implemented. This has now been fixed (see this plot). Furthermore, this update causes the global tropospheric mass of BrO to increase by 11%: before after diff % diff BrO trop mass [Gg] : 9.543837 10.623180 1.079344 11.309 This increase (see plot) seems to be caused by the sulfur reactions on sea salt that were added to the KPP-generated chemical mechanism. The area of greatest change of BrO is at the surface southern extratropics, an area of high sea salt emissions. ] 2. Turn off sea salt aerosol debromination by default To address the large increase in ozone concentrations over the Southern Ocean caused primarily by the sulfate chemistry updates and their impact on BrO, we now turn off sea salt aerosol debromination by default. This is done by turning off emissions of BrSALA and BrSALC via the Seasalt extension or offline seasalt emissions in HEMCO. This restores ozone back to reasonable levels as shown by the internal benchmark. 3. Convert the HOCl & HOBr reactions with dissolved SO2 to use gas phase SO2 The overall impact on model output appears small. For example, global mass differences for select species are: ################################################################################### ### Global mass (Gg) at end of simulation (Trop only) ### ### Ref = GCC_13.4.0-alpha.20; Dev = GCC_13.4.0-alpha.21 ### ################################################################################### Ref Dev Dev - Ref % diff HBr : 7.176643 7.253128 0.076485 1.066 HCl : 297.524170 297.648682 0.124512 0.042 HOBr : 7.022534 7.188446 0.165912 2.363 HOCl : 5.749225 5.807306 0.058081 1.010 SO2 : 406.362946 406.138885 -0.224060 -0.055 SO3mm : 0.697430 nan nan nan SO4 : 1644.606079 1644.084473 -0.521606 -0.032 SO4s : 0.420955 0.067558 -0.353397 -83.951 4. Fix bug in Henry law CALC_HEFF routine in hetchem computations This update causes the global tropospheric mass of BrO to increase by 15%: before after diff % diff BrO trop mass [Gg} : 8.358857 9.663602 1.304745 15.609 Other changes in benchmark output related to this update are: 5. AEIC 2019 aircraft emissions inventory and Fix scale factors applied to VOC aircraft emissions in AEIC inventory The impact of updating from AEIC 2005 to AEIC 2019 may be viewed in the aircraft emissions difference plot. ################################################################################### ### Emissions totals for species ALD2 [Tg] ### ### Ref = GCC_13.3.0-rc.1; Dev = GCC_13.4.0-rc.3 ### ################################################################################### Ref Dev Dev - Ref % diff ALK4 Aircraft : 0.005617 0.003038 -0.002579 -45.915 BCPI Aircraft : 0.000486 0.001650 0.001165 239.838 C2H6 Aircraft : 0.000152 0.000074 -0.000078 -51.395 C3H8 Aircraft : 0.000022 0.000011 -0.000011 -50.282 CH2O Aircraft : 0.002871 0.001749 -0.001122 -39.081 CO Aircraft : 0.068360 0.117254 0.048894 71.525 MACR Aircraft : 0.001827 0.000762 -0.001065 -58.287 NO Aircraft : 0.156922 0.228305 0.071384 45.490 NO2 Aircraft : nan 0.048208 nan nan OCPI Aircraft : 0.000486 0.000691 0.000206 42.355 PRPE Aircraft : 0.004855 0.002530 -0.002325 -47.896 RCHO Aircraft : 0.001384 0.000522 -0.000861 -62.247 SO2 Aircraft : 0.019036 0.027639 0.008604 45.197 SO4 Aircraft : 0.000583 0.000846 0.000263 45.197 SOAP Aircraft : 0.004717 0.008091 0.003374 71.525 6. Bug fix: Remove double-counting of HCl uptake on acidic sea salt This update causes the global tropospheric mass of BrO to increase by 13%: before after diff % diff alpha.4 BrO : 7.354777 8.358857 1.004080 13.652 Other changes in benchmark output related to this update are: 7. Update surface resistance for ozone deposition to ice/snow Barten et.al 2021 (https://doi.org/10.5194/acp-21-10229-2021) increased the surface resistance of ozone dry deposition to snow and ice to 1E4 s m−1, this results in a reduction of ozone deposition velocity to ice of <= 0.01 cm s−1 (~ 66% reduction) which has better agreement with observations and results in improved comparison between Ozone observations in the arctic. This update was added in 13.3.3 but does cause very slight changes in NOx soil and fertilizer emissions, as shown below. The HEMCO soil NOx extension uses an manual diagnostic to keep track of NOx from fertilizers. ################################################################################### ### Emissions totals for species NO [Tg] ### ### Ref = GCC_13.3.0-rc.1; Dev = GCC_13.4.0-rc.0 ### ################################################################################### Ref Dev Dev - Ref % diff NO Aircraft : 0.156922 0.156922 0.000000 0.000 NO Anthro : 5.327773 5.327773 0.000000 0.000 NO BioBurn : 1.882279 1.882279 0.000000 0.000 NO Fert : 0.359627 0.359458 -0.000169 -0.047 NO Lightning : 1.664984 1.664984 0.000000 0.000 NO Ship : 0.073301 0.074878 0.001577 2.152 NO Soil : 1.745616 1.745500 -0.000115 -0.007 ----------------------------------------------------------------------------------- NO Total : 10.850869 10.852331 0.001462 0.013 9. Use degassing-only volcano emissions in GEOS-Chem benchmark simulations Removing eruptive volcanoes from the benchmark simulations reduces the amount of SO2 emitted by 1%: ################################################################################### ### Emissions totals for species SO2 [Tg] ### ### Ref = GCC_13.3.0-rc.1; Dev = GCC_13.4.0-rc.0 ### ################################################################################### Ref Dev Dev - Ref % diff SO2 Aircraft : 0.019036 0.019036 0.000000 0.000 SO2 Anthro : 5.872509 5.872509 0.000000 0.000 SO2 BioBurn : 0.555350 0.555350 0.000000 0.000 SO2 Ship : 0.951114 0.951114 0.000000 0.000 SO2 VolcDegas : 1.826465 1.826465 0.000000 0.000 SO2 VolcErupt : 0.101063 0.000000 -0.101063 -100.000 ----------------------------------------------------------------------------------- SO2 Total : 9.325534 9.224471 -0.101063 -1.084 Other changes in benchmark output related to this update are: 10. Add option for driving GEOS-Chem & GCHP with native GEOS meteorological files
11. Fix end year for CEDS NO ship emissions A typo in the end year for CEDS_NO_SHIP caused 2010 emissions to be used for benchmark simulations instead of 2019 emissions. The impact on ship emissions is summarized below. ################################################################################### ### Emissions totals [Tg] ### ### Ref = GCC_13.4.0-rc.2; Dev = GCC_13.4.0-alpha.19 ### ################################################################################### Ref Dev Dev - Ref % diff HNO3 Ship : 1.216580 1.218035 0.001454 0.120 NO Ship : 0.074879 0.077218 0.002339 3.124 NO2 Ship : 0.638942 0.674229 0.035287 5.523 The following were zero-difference updates:
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Approval | ||||
Requires further investigation: | ||||
Approved by: | ||||
Date of approval: |
1-month GEOS-Chem Classic version comparison (13.4.0-rc.3 vs 13.3.0-rc.1)
Below are links to plots and tables comparing 1-month simulations for GEOS-Chem Classic 13.4.0-rc.3 (Dev) and GEOS-Chem Classic 13.3.0-rc.1 (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 | |||||
Global mass | Entire atmosphere | |||||
Metrics | OH concentration, MCF lifetime, CH4 lifetime |
1-month GCHP version comparison (13.4.0-rc.3 vs 13.3.0-rc.1)
Below are links to plots and tables comparing 1-month simulations for GCHP 13.4.0-rc.3 (Dev) and GCHP 13.3.0-rc.1 (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, 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 | |||||
Global mass | Entire atmosphere |
1-month GCHP (13.4.0-rc.3) vs. GEOS-Chem Classic (13.4.0-rc.3) comparison
Below are links to plots and tables comparing 1-month simulations for GCHP 13.4.0-rc.3 (Dev) and GEOS-Chem Classic 13.4.0-rc.3 (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, 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 | |||||
Global mass | Entire atmosphere |
1-month GCHP vs GEOS-Chem-Classic diff-of-diffs
Below are links to plots and tables comparing 1-month simulations for GCHP 13.4.0-rc.3 - 13.3.0-rc.1 (Dev) and GEOS-Chem Classic GCHP 13.4.0-rc.3 - 13.3.0-rc.1 (Ref).
Species Category2 | 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 |
1-year full-chemistry benchmarks
1-year fullchem benchmark setup
The following table describes the GEOS-Chem setup for the GEOS-Chem Classic 1-year benchmark simulation.
Git tag(s): | 13.4.0-rc.3 |
Compared to previous benchmark: | GEOS-Chem 13.3.0-rc.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, 2019 from 13.3.0 1-year benchmark |
Benchmark date: | Spin-up run: July 2018 - Dec 2018 Production run: Jan 2019 - Dec 2019 |
1-year fullchem GEOS-Chem Classic version comparison (13.4.0-rc.3 vs 13.3.0-rc.0)
Below are links to plots and tables comparing 1-year full-chemistry simulations for GEOS-Chem Classic 13.4.0 (Dev) and GEOS-Chem Classic 13.3.0 (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 |
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 | ||||||
Ox budget | ||||||
Metrics | ||||||
Strat-trop exchange | ||||||
Model vs Observations |
|
1-year transport tracers benchmarks
1-year transport benchmark setup
The following table describes the GEOS-Chem setup for both GEOS-Chem Classic and GCHP 1-year transport tracer benchmark simulations.
Git tag(s): |
|
Compared to previous benchmark: | 13.2.0-beta.0 |
Software environment: |
|
Model resolution: | 4° x 5° |
Meteorology fields: | MERRA-2 4° x 5° |
Spin-up initial conditions: | January 1, 2019 from GEOS-Chem 13.0.0 1-year transport tracer benchmark |
Benchmark date: | Spinup run: Jan 2010 - Dec 2018 Production run: Jan 2019 - Dec 2019 |
1-year transport GEOS-Chem Classic version comparison (13.4.0-rc.1 vs 13.2.0-beta.0)
This table contains plots comparing 1-year transport tracer simulations for GEOS-Chem Classic 13.4.0-rc.1 (Dev) and GEOS-Chem Classic 13.2.0-beta.1 (Ref).
Category1 | Plots | |||
---|---|---|---|---|
Level Map | Zonal Mean | |||
RnPbBeTracers
Rn222, Pb210, Pb210Strat, Be7, Be7Strat, Be10, Be10Strat |
Surface | 500 hPa | Full column | Stratosphere |
PassiveTracers
PassiveTracer, SF6Tracer, CH3ITracer, COAnthroEmis25dayTracer, COAnthroEmis50dayTracer, COUniformEmis25dayTracer, GlobEmis90dayTracer, NHEmis90dayTracer, SHEmis90dayTrace |
Surface | 500 hPa | Full column | Stratosphere |
WetLossConv
Pb210, Pb210Strat, Be7, Be7Strat, Be10, Be10Strat |
Surface | 500 hPa | Full column | Stratosphere |
WetLossLS
Pb210, Pb210Strat, Be7, Be7Strat, Be10, Be10Strat |
Surface | 500 hPa | Full column | Stratosphere |
Pb-Be Budgets | GEOS-Chem 13.2.0-beta.0 (Ref): | GEOS-Chem 13.4.0-rc.1 (Dev): | ||
Strat-trop exchange | GEOS-Chem 13.2.0-beta.0 (Ref): | GEOS-Chem 13.4.0-rc.1(Dev): | ||
Mass conservation | Passive tracer |