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Conference_programme: 15: Noise mapping

Lecture: Long-term noise monitoring and dynamic noise mapping

Author(s): Bite Pal, Silló Szabolcs

This paper presents a unique approach, the practical application of long-term monitoring system to support dynamic noise mapping in a GCC metropolis. \nIf not used properly, the output of a long-term noise monitoring system is limited to numeric values without leading to any conclusions. To avoid this common failure, the authors established the future goals of the system long before installing it. Locations of the stations, assessment methodology, parameters and indices have been defined; in this way, the system is suitable to fulfill the set-out requirements needed to be an efficient tool for urban planners and designers and support their aim for less noise.\nThe paper presents beside the installation of the system, the web-based application the authors developed. The application is used for presentation and data storage it also automatically filters the massive amounts of data. Results are assessed with defined noise indices suited for the metropolis. Besides the common terminology employing LAeq, Lmax, Lmin, etc. a Noise Pollution Index was developed and calculated using a web based application. The Noise Pollution Index (referred as NPI) is based on the well-known Harmonica Index.\nThe use of the simplified database delivered by the system of 10 stations will be mandatory for urban planners and designers. They can now use the valid and reliable data as a common baseline for evaluating the necessary noise mitigation measures. In parallel with the self-developed web interface available for public authorities and residents, we also use an expert background web interface of the SvanNet for calibrating dynamic noise maps.\nThe developed webpage was also capable of presenting the assessed Key Performance Indicators and the Dynamic Noise Map of the metropolis. \nThe developed dynamic noise map associated with the system serve awareness raising purposes as the information is available to the public.

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Corresponding author

Name: Mr Szabolcs Silló

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Country: Hungary