Procedures to analyse noise maps in connection with noise action plans

After finishing of the noise mapping of the European Noise Directive1” the noise action planning follows. This part of the END-projects concerns with measures for noise reduction in general and in detail and information and collaboration of the public. In this process a huge amount of measures and alternatives accumulates. Therefore automatic working tools for evaluation of the measures and ranking is needed. This contribution shows, that the data and results of the noise mapping could be also used for the evaluation of the measures.

After the step of mapping the principal noise sources the following questions come up: Where shall we start to find measures? How can we evaluate measures? And if measures have been agreed on, how is the ranking for realization? We will show, that most of all needed data for this additional analysis are available and could be linked together by tools which could be written in well established GIS-systems in a noise prediction software like SoundPLAN. In SoundPLAN most of the tools are ready-made and only have to be furnished with model data and results.

During noise mapping for the European Noise Directive the modeling data contain several properties, which are very useful for later analysis including the area of buildings (which can be calculated from the geometry); the number of floors, the building type (residential houses, schools, hospitals), the number of inhabitants or dwellings. Even if some properties are missing for the single building, it is possible within a sufficient accuracy to deduce the missing property from average values: For example: The number of inhabitants of buildings or the number of floors can be estimated from the average living area of a person respectively to the building height.

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