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CMAQv5.3 Beta

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@bnmurphy bnmurphy released this 19 Oct 06:29
CMAQv5.3.b2_19Oct2018
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CMAQv5.3, the latest version of the Community Multiscale Air Quality modeling system (release date June 2019), includes many new scientific and use-oriented features.

Science Features:

  • Updated chlorine chemistry
  • Updated OMI data through 2017, new photolysis relevant diagnostic variables exported (e.g. AOD, single-scattering albedo, etc)
  • Extended Kinetic Mass Transfer Module for cloud chemistry (KMT2; optional)
  • Consolidated anthropogenic secondary organic aerosol into reduced number of species
  • Revise biogenic secondary organic aerosol yields for alpha-pinene ozonolysis to substantially increase monoterpene derived SOA predicted by the model.
  • Added water uptake by organic compounds
  • Revised deposition parameterizations for gas and aerosol uptake.
  • Introduced STAGE model which treats tiled deposition fluxes as a function of all land use types in a grid cell (optional).

User-Oriented Features:

  • Introduced new Detailed Emission Scaling, Isolation, and Diagnostics module (DESID).
  • Revised log file for enhanced transparency and clarity.
  • Introduced vertical extraction module for isolating, for example, ozone sonde data without printing full 4D grid.
  • Improved process analysis with Integrated Reaction Rate (IRR) functionality for all mechanisms and aerosol sub-process accounting.

See the Release Notes for more details regarding these updates.

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