CALPUFF View™

Long Range Transport Air Dispersion Model

Technical Specifications

CALPUFF View is an interface for the CALPUFF modeling system. See below the technical specifications for this model:

Parameter

Description

Model Name

CALPUFF

Model Type

Non-steady state Gaussian Puff model

Range

200-300km from the source

Time Step

1 hour (version 5.8), variable down to the second (version 6.0)

Terrain

Elevated, processed by TERREL

Building Downwash

Modeled by BPIP or BPIP-PRIME

Source Types

Point, area, volume, line, flare*

Meteorology

Hourly surface, upper air and precipitation data and/or prognostic data (e.g. MM5 or WRF)

Wind Field

Three dimensional

Release Types

Buoyant or neutrally buoyant plumes

Emission Types

Constant or time-varying, planned or fugitive

Atmospheric Chemistry

MESOPUFF II, RIVAD/ARM3, SOA and user specified transformation rates

Regulatory Status

Preferred US EPA regulatory model for long-range and visibility applications.  Also used for complex wind field scenarios

* Pseudo source types

System Requirements

This product is a Microsoft Windows-based program that can be installed in the following Windows operating systems:

  • 32-Bit and 64-Bit Operating Systems
  • Microsoft Windows 7 (Home Premium, Professional and Ultimate Versions)
  • Microsoft Windows Vista (Business and Ultimate Versions)
  • Microsoft Windows XP Professional (Service Pack 3)

Minimum requirements:

  • An Intel Pentium 4 processor (or equivalent) or higher
  • At least 10 GB of available hard disk space
  • 2 GB of RAM for Windows Vista
  • 1 GB of RAM for Windows XP and Windows 2000