According to the"Technical Specifications for Environmental Noise Monitoring Routine Monitoring for Urban Environment Noise"(HJ 640-2012),combined with local laws and regulations of Dalian,acoustic environment function zoning,comprehensive consideration of land use status,transportation network,topography and other factors involved,the optimization and adjustment principle and path of regional acoustic environment monitoring point in Dalian city center were determined.After preliminary determination of the number of points and the size of the grid,field survey and further optimization,the monitoring points that can truthfully reflect the regional acoustic environment quality of Dalian city center are determined comprehensively and objectively under requirements of technical specifications.
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