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Press release 32/2023 from 15.09.2023 | Last changed: 30.11.2023

European Mobility Week: Sustainable mobility saves energy

A banner reads: "European Mobility Week 16 to 22 September Mix and Move! - climate-friendly mobility."

… 16 to 22 September, municipalities together with local actors are demonstrating that being sustainably mobile can also save energy. Press release No. 32/2023 | … municipalities from all over Europe are showing how sustainable mobility can work in everyday life. Because walking, cycling or sharing transport saves energy. … to school, addressing the issue of parents driving their children to school, and working together with children and young people on safe routes to school for …

Article from 26.03.2024 | Last changed: 26.03.2024

Air Quality Control in Europe

… installations are only granted a license if model calculations have demonstrated that the emissions of the planned installation will not cause permitted levels of … used elsewhere, this flexible modelling procedure produces realistic results even when buildings and uneven terrain influence flue gas dispersion. A computer …

Article from 26.11.2025 | Last changed: 28.11.2025

Download

… Download This page provides the download of current program versions as well as … for the accuracy or suitability for a particular purpose of the data and programs that can be downloaded from this site. The full risk of use lies with the user. If … installation instructions English (TXT / 26.11.2025) Program packages Attention: When downloading the three large ZIP files with the plume library from the UBA …

Article from 12.12.2025 | Last changed: 12.12.2025

Overview

… They can be used both for practical applications and for checking other programs that are considered to be capable of implementing the calculation methods in … turbulence, parallel to similar works by Wilson and Legg & Raupach; in doing so, I delivered a promise made to Hanna during a conference in the preceding … in Amsterdam. The preparations for the TA Luft 1983 had not yet finished, nevertheless the participants already discussed how the TA Luft should develop on an …

Article from 12.12.2025 | Last changed: 12.12.2025

Deprecated files & changes

… of program changes. last update on 12.12.2025 Always use the latest program version when carrying out dispersion calculations! Archived files for BESTAL, AUSTAL, … monitor points in nested grids) 2011-04-13: Problem 2011-04-13 (project title with more than 140 characters) 2010-11-08: FAQ, new entry S16 (calculation of odor hours …

Article from 12.12.2025 | Last changed: 12.12.2025

FAQ

… FAQ From the questions that have been received, the most important were selected and listed on this page … the drift of the raindrops should be taken into account in the dispersion model when designating wet deposition. Such a procedure is to be described in the new … if the vertical component Vs of the wind vector at the bottom of the cell is less or equal -99 m/s. Below a building cell there may beno free cell (this would …

Article from 26.11.2025 | Last changed: 28.11.2025

Known and resolved problems

… Known and resolved problems This page provides a list of problems that have been discovered. They are grouped into known and resolved issues. last … abort on Windows 11 Description: Under Windows 11, BESMAX crashes sporadically when using multi-threading. A log file (hs_err_pid<...>.log) is then output by the … or specify the additional option -XX:TieredStopAtLevel=1 in the batch call (less aggressive optimization with a slight loss of speed). Resolved: 2025-11-26 …

Article from 11.06.2015 | Last changed: 19.04.2024

AUSTAL2000N - Download

… AUSTAL2000N - Download This page provides the current program versions, sample and … and modification date is denoted in brackets. last update on 11.06.2015 Please note that the reference implementation for dispersion calculations in conformance with TA … of charge. Programs and source code are subject to the GNU PUBLIC LICENCE . Note that there is no guarantee, neither explizit nor implicit, for the correctness of …