Difference between revisions of "History collections for dry deposition"
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== The DryDep collection == | == The DryDep collection == | ||
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!width="100px"|[[List of diagnostics archived to bpch format|Bpch equiv.]] | !width="100px"|[[List of diagnostics archived to bpch format|Bpch equiv.]] | ||
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'''''[[History collections for convection and wet deposition|Previous]] | [[History collections for mercury and POPs|Next]] | [[Guide to GEOS-Chem History diagnostics]]''''' | '''''[[History collections for convection and wet deposition|Previous]] | [[History collections for mercury and POPs|Next]] | [[Guide to GEOS-Chem History diagnostics]]''''' |
Revision as of 22:32, 8 December 2020
Previous | Next | Guide to GEOS-Chem History diagnostics
- Overview of History diagnostics
- Legend for History diagnostics
- Collections for History diagnostics
- History collections for advection and mixing
- History collections for aerosols
- History collections for budgets
- History collections for chemistry and photolysis
- History collections for convection and wet deposition
- History collections for dry deposition
- History collections for mercury and POPs
- History collections for met fields and related quantities
- History collections for methane
- History collections for species concentrations
- History collections for TransportTracers
- Replicating the behavior of the prior timeseries diagnostics
The ConcAboveSfc collection
The ConcAboveSfc diagnostic collection uses dry deposition quantities (surface resistance, dry deposition velocity) to compute the species concentration of O3 and HNO3 at a given altitude (such as 10 m) above the surface. This will facilitate comparison between GEOS-Chem and observational networks (e.g. CASTNET), which often place instruments above the canopy at approx. 10m height.
Here is a sample definition section for the ConcAboveSfc collection.
- If this collection is not already present in the HISTORY.rc file in the GEOS-Chem run directory for your selected simulation, you can copy and paste this into your HISTORY.rc file and edit accordingly.
- To prevent an individual field from being included in the diagnostic output, place a comment character # in front of the field name.
- Please see our Legend for History diagnostics page for more information about each of the collection tags.
- The ConcAboveSfc collection is best used as a timeseries diagnostic (set mode to "instantaneous").
NOTE: If dry deposition is turned off in your simulation, then you must disable this collection, or else your run will stop with an error.
ConcAboveSfc.template: '%y4%m2%d2_%h2%n2z.nc4', ConcAboveSfc.format: 'CFIO', ConcAboveSfc.frequency: 00000000 010000 ConcAboveSfc.duration: 00000000 010000 ConcAboveSfc.mode: 'instantaneous' ConcAboveSfc.fields: 'DryDepRaALT1 ', 'GIGCchem', 'DryDepVelForALT1_?DRYALT? ', 'GIGCchem', 'SpeciesConcALT1_?DRYALT? ', 'GIGCchem', ::
This table describes the diagnostic quantities belonging to the ConcAboveSfc collection:
Diagnostic name | Description | Units | Wildcards | Simulations | Notes |
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DryDepRaALT1 | Dry deposition aerodynamic resistance computed at ALT1 meters above the surface | s cm-1 |
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DryDepVelforALT1_<spcname> | Dry deposition velocity for all species tagged with the ?DRYALT? tag. | cm s-1 |
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SpeciesConcALT1_<spcname> | Chemical species concentrations of O3 or HNO3 at a user-specified height (e.g. 10 m) above the surface | mol/mol dry air |
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The DryDep collection
The DryDep collection contains diagnostics for the flux and velocity of each species lost to dry-deposition.
Here is a sample definition section for the DryDep collection.
- If this collection is not already present in the HISTORY.rc file in the GEOS-Chem run directory for your selected simulation, you can copy and paste this into your HISTORY.rc file and edit accordingly.
- To prevent an individual field from being included in the diagnostic output, place a comment character # in front of the field name.
- Please see our Legend for History diagnostics page for more information about each of the collection tags.
DryDep.template: '%y4%m2%d2_%h2%n2z.nc4', DryDep.format: 'CFIO', DryDep.frequency: 00000100 000000 DryDep.duration: 00000100 000000 DryDep.mode: 'time-averaged' DryDep.fields: 'DryDepVel_?DRY? ', 'GIGCchem', 'DryDepMix_?DRY? ', 'GIGCchem', 'DryDepChm_?DRY? ', 'GIGCchem', 'DryDep_?DRY? ', 'GIGCchem', ::
This table describes the diagnostic quantities belonging to the DryDep collection:
Diagnostic name | Description | Units | Wildcards | Simulations | Notes | Bpch equiv. |
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DryDepVel_<spcname> | Dry deposition velocity | cm/s |
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DryDepMix_<spcname> | Dry deposition flux (computed in PBL mixing) |
molec/cm2/s |
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DryDepChm_<spcname> | Dry deposition flux (computed in chemistry) |
molec/cm2/s |
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DryDep_<spcname> | Total dry deposition flux | molec/cm2/s |
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