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News in 2013
IVU Umwelt presented a contribution to the lecture programme at the International Conference on Air Quality 2014:
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The 9th "International Conference on Air Quality - Science and Application" took place in Garmisch-Partenkirchen, Germany from 24th to 28th March 2014.
More information on Air Quality Conference 2014
IVU Umwelt together with BSV Aachen compiled the report "Potentials of cycling in urban traffic", that has now been published by the Federal Highway Research Institute (Bundesanstalt für Straßenwesen).
In the context of climate protection, noise reduction, and air quality control, consistent promotion of cycling is considered as suitable traffic planning approach. So far, quantified statements on the potential savings were only sporadically and mostly based on flat-rate approach; whereas they could contribute to environmental protection by effective increase in cycling traffic in the share of the (inner-city) transportation services.
In this research project, the quantification of the impacts of measures at the level overall city was carried out by means of a macroscopic traffic model for stock situation ("case analysis"), and defined scenarios for structural and infrastructure-related developments ("prognosis") for three German sample cities.
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The VDI Standard, published by The Association of German Engineers (VDI), is available since August 2013:
VDI 3783 Part 14: Environmental meteorology - Quality control concerning air pollution forecast - Vehicle-related air pollutions
This VDI Standard defines quality assurance measures concerning the performance and presentation of dispersion calculations in accordance with vehicle related air pollution and may be used as a help to establish or to check studies and expertises.
IVU Umwelt presented a contribution to the lecture programme at HARMO 15:
"Spatial representativeness of air quality samples at hot spots"
Exceedances of the air quality limit values for NO2 and PM2.5/PM10 in Europe are mostly measured in the vicinity of roads. In general, the concentration distribution at hot spot locations in urban areas is very inhomogeneous due to the complex building situation. The EU air quality directive specifies details for the siting of air quality sampling points at traffic-oriented sites. Based on microscale model calculations, this paper discusses the possibility of assessing the spatial representativeness of the air pollution for specific hot spot examples and provides some hints on the applicability of HBEFA in hot spot analysis.
HARMO 15 (15th International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes) took place in Madrid, Spain from 6th to 9th May 2013.
More information on HARMO 15