IMMIS^■■■

IMMIS^■■■ provides a comprehensive program set to evaluate traffic-induced emission and air pollution. The IMMIS^■■■ models are integrated in GIS thus retaining the spatial reference in data used for environmental planning.

Meso scale

Screening

Micro scale

IMMIS^em – calculation of emissions

• calculation of emissions of road traffic

• based on Handbook emission factors for road transport (HBEfa) and VDI 3782 Blatt 7

• cold start model for different road conditions

• integrated Level-of-Service model

• modelling of vehicle-specific emissions

• determination of emission time series

IMMIS^net – background concentration

• Gaussian multi-source dispersion model

• calculation of regional and urban background

IMMIS^luft – citywide screening

• screening model to assess air pollution in city street canyons

• fast and easy to use

• characteristics according to EU directives

IMMIS^arc – GIS integration of IMMIS models

• integration of IMMIS^■■■ models into the geogra-phical information systems ArcGIS® and MapInfo®

• model data = GIS data (no redundancies)

• editing, correction, completion and adjustment of data using the editing tools of the GIS

• results of calculation as GIS data for direct processing

• support of ESRI’s geodatabase

IMMIS^cpb – micro scale calculations in street canyons

• complex individual case studies based on real street geometries

• calculation of hourly values

IMMIS^mt – screening system for real-time monitoring

• monitoring system for city-wide calculation of air pollution based on constantly updated traffic data

• real-time modelling

• scalable and modular

• Module for database-based archiving system

• Module for visualization of input data and model results on the website immis-mt.ivu-umwelt.de

• Module for prediction of city-wide air pollution levels