History collections for dry deposition

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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.
DryDepVel_<spcname> Dry deposition velocity cm/s
  • ?DRY?
  • all simulations with drydep species
DryDepMix_<spcname> Dry deposition flux
(computed in PBL mixing)
molec/cm2/s
  • ?DRY?
  • all simulations with drydep species


DryDepChm_<spcname> Dry deposition flux
(computed in chemistry)
molec/cm2/s
  • ?DRY?
  • all simulations with drydep species
DryDep_<spcname> Total dry deposition flux molec/cm2/s
  • ?DRY?
  • all simulations with drydep species
  • Sum of drydep flux in mixing and drydep flux in chemistry.

--Bob Yantosca (talk) 20:33, 16 May 2018 (UTC)