BREEZE CALPUFF Dispersion Modeling

Dispersion Modeling System


CALPUFF is a multi-layer, multi-species non-steady-state puff dispersion model which simulates the effects of time- and space-varying meteorological conditions on pollution transport, transformation, and removal. It includes algorithms for subgrid scale effects and longer range effects. It can be applied for long-range transport and for complex terrain. The CALPUFF modeling system is an important tool for regional haze (visibility) and fine particulate matter (e.g., PM2.5) impact assessments over distances hundreds of kilometers from emission sources and also applies for certain near-field applications involving complex meteorological conditions.

BREEZE CALPUFF provides modelers with the tools and functionality required to perform air quality analyses that help to address both permitting, regulatory, and nuisance issues as well as perform academic research.

Key Features

  • Supports the latest U.S. EPA-approved version of the CALPUFF modeling system: CALPUFF Version 5.8.5, CALMET Version 5.8.5 and CALPOST Version 6.221
  • Supports one of Exponent's latest versions of the CALPUFF modeling system (version 6)
  • Updates map control to feature significant improvements to the Map view
  • Streamlines graphical user interface for more intuitive and easier dispersion modeling
  • Simplifies the setup of pre-modeling objects with a variety of utilities
  • Includes back compatibility with previous BREEZE CALPUFF projects
  • Integrates with the BREEZE 3D Analyst
  • Models numerous source types including point, area, volume, and buoyant line
  • Models numerous receptor types including discrete Cartesian grid, polar grid, and variable density grid

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    BREEZE CALPUFF Dispersion Modeling

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