AERMOD View™

Gaussian Plume Air Dispersion Model

Technical Specifications

AERMOD View is an interface for the AERMOD, ISCST3, and ISC-PRIME US EPA air dispersion models. See below technical specifications for these 3 models:

AERMOD

Parameter

Description

Model Name

AERMOD

Developed By

AERMIC - (American Meteorological Society (AMS) and United States Environmental Protection Agency (US EPA)

Model Type

Steady-state Gaussian plume air dispersion model

Range

Up to 50km from the source

Atmospheric Stability Model

Planetary boundary layer theory, turbulence scaling concepts

Wind Field

Homogeneous

Release Types

Buoyant or neutrally buoyant plumes

Emission Types

Constant or time-varying, planned or fugitive

Atmospheric Chemistry

NOX to NO2 and SO2 decay

Source Types

Point, area, volume, open pit, line*, flare*

Meteorology

Hourly surface and upper air data (processed by AERMET)
Minimum Requirements for AERMOD Surface Meteorological Data File

Terrain

Flat or elevated (terrain processed by AERMAP)

Receptors

Several types of grids (Cartesian, polar) and discrete receptors

Other Options

Building downwash (modeled by BPIP-PRIME)

Regulatory Status

Preferred US EPA regulatory model for near-field applications

* Pseudo source types

ISCST3

Parameter

Description

Model Name

ISCST3 - Industrial Source Complex Short Term model (US EPA)

Developed By

United States Environmental Protection Agency (US EPA)

Model Type

Steady-state Gaussian plume air dispersion model

Time Step

1 hour

Range

Up to 50km from the source

Terrain

Flat and elevated

Building Downwash

Modeled by BPIP

Source Types

Point, area, volume, open pit, line*, flare*

Input Meteorology

Hourly surface data and mixing height data (through PCRAMMET)

Atmospheric Stability Model

Pasquill-Gifford Stability Classes

Wind Field

Homogeneous

Release Types

Buoyant or neutrally buoyant plumes

Emission Types

Constant or time-varying, planned or fugitive

Atmospheric Chemistry

NOX to NO2 and SO2 decay

Regulatory Status

Former US EPA regulatory model for near-field applications

* Pseudo source types

ISC-PRIME

Parameter

Description

Model Name

ISC-PRIME model

Developed By

United States Environmental Protection Agency (US EPA)

Model Type

Steady-state Gaussian plume air dispersion model

Time Step

1 hour

Range

Up to 50km from the source

Terrain

Flat and elevated

Building Downwash

Modeled by BPIP-PRIME

Source Types

Point, area, volume, open pit, line*, flare*

Input Meteorology

Hourly surface data and mixing height data (through RAMMET)

Atmospheric Stability Model

Pasquill-Gifford Stability Classes

Wind Field

Homogeneous

Release Types

Buoyant or neutrally buoyant plumes

Emission Types

Constant or time-varying, planned or fugitive

Atmospheric Chemistry

NOX to NO2 and SO2 decay

Regulatory Status

Former US EPA regulatory model for near-field applications

* 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
  • Windows 10
  • Windows 8 & 8.1
  • Windows 7 (Home Premium, Professional, and Ultimate Versions)

Minimum requirements:

  • An Intel Pentium 4 processor (or equivalent) or higher
  • At least 2 GB of available hard disk space
  • 1 GB of RAM (2 GB recommended)