Mapping Services

A noise map is normally generated using computer software that calculates noise levels from input data such as traffic flows and topography (e.g. ground levels) Computer modeling is used rather than noise measurement as measurement would be prohibitively expensive and it would be technically difficult to isolate different sources of noise (e.g. that from road, rail, aircraft or industry). Noise maps are normally contour maps showing areas of differing levels of noise They can be maps of individual noise sources i.e. road traffic, railway traffic, aircraft in flight or industry. However, all the sources can be combined into one map to give an overall picture of the noise climate.

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