Noise mapping State of art is it just a simple as it looks like - Pitfalls

Invited paper

Hans J.A. Van Leeuwen

DGMR consultants

Monday 1 june, 2015, 14:40 - 15:00

0.3 Copenhagen (49)

Noise pollution is subjective. Decibel values give a quantification of noise levels. Contour lines with equal noise levels and filled areas of noise classes seem to be useful for citizens and decision makers to oversee the situation. This is okay at first glance, but as soon we do simple analyses a step more in detail, the limitations must be clear. Some items: grid size, interpolation techniques, noise levels at facades, counting number of dwellings and citizens, down wind conditions, tunnels and viaducts, the effect of the height of grid points, low flow roads, effect of noise measures, other noise sources. This paper will summarise the state of art and will give some explanation on limitations and constraints of a noise map.

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