History collections for advection and mixing

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The Transport collection

The Transport collection contains diagnostics for age of air. This is used for benchmarking purposes

Here is a sample definition section for the AerosolMass 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 Transport COLLECTION %%%%%
#
# Diagnostics for evaluating transport, including age of air [s]
#
# Available for all simulations
#==============================================================================
  Transport.template:         '%y4%m2%d2_%h2%n2z.nc4',
  Transport.format:           'CFIO',
  Transport.frequency:        'End',
  Transport.duration:         'End',
  Transport.mode:             'instantaneous'
  Transport.fields:           'Met_AgeOfAir                  ', 'GIGCchem',

This table describes the diagnostic quantities belonging to the AerosolMass collection:

Diagnostic name Description Units Wildcards Simulations Notes
Met_AgeOfAir Age of air years Typically used with:
  • benchmark
  • TransportTracers