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Abstract
DYNAMAP, a European Life project, provides a real-time image of the noise generated by vehicular traffic in urban and suburban areas, developing a dynamic acoustic map based on a limited number of low-cost permanent noise monitoring stations. Traffic noise data within a urban pilot area (Area 9 of Milan), collected by 24 monitoring sensors, are used to build-up a “real time” noise map. DYNAMAP is based on a statistical approach implying that information captured by each sensor must be representative of an extended area, and simultaneously uncorrelated from that of other stations. The study of the correlations among the sensors represents a further contribution in refining the sampling network design.
Highlights
DYNAMAP, a European Life project, provides a real-time image of the noise generated by vehicular traffic in urban and suburban areas, developing a dynamic acoustic map based on a limited number of low-cost permanent noise monitoring stations
Noise mapping are becoming a necessary tool for evaluating the noise exposure of citizens in large cities, as it has been recognized by the strict dose-harmful effect relationships reported both in the Directive 2002/49/EC [1] and the 2018 WHO Environmental noise guidelines [2]
Designing a dynamic noise mapping is a complex task owing to the large number of parameters that need to be considered in order to describe with sufficient accuracy the traffic noise in urban areas [12]
Summary
Noise mapping are becoming a necessary tool for evaluating the noise exposure of citizens in large cities, as it has been recognized by the strict dose-harmful effect relationships reported both in the Directive 2002/49/EC [1] and the 2018 WHO Environmental noise guidelines [2]. Strategic Noise Maps have been implemented to enable effective diagnostics on the acoustic environment and provide useful information for local intervention measures and policy-making [3, 4] They evaluate the overall exposure to noise in a given area due to different sources and, together with Action Plans, provide a framework to manage environmental noise and its effects. The European project DYNAMAP [11] has developed a dynamical acoustic map in two pilot areas: a large portion of the urban area of the city of Milan (Area 9) [12] and the motorway surrounding Rome [13] In both cases, one can predict traffic noise in an extended area using a limited number of monitoring sensors and the knowledge of traffic flows.
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