According to the monitoring data of Yinchuan functional area,road traffic and regional acoustic environmental quality during the 13th Five-Year Plan period from 2016 to 2020,the spatial distribution characteristics and annual time change characteristics of Yinchuan acoustic environmental quality are analyzed.From 2016 to 2020,the acoustic environment of various functional areas in Yinchuan City reached the national standard limit without exceeding the standard.The average equivalent sound level of urban daytime road traffic noise is less than 68 dB(A),and the road traffic noise intensity level is all Level 1,and the overall level evaluation is"good".From 2016 to 2020,the area sound environment quality of Yinchuan in the daytime was rated as Grade Ⅱ,and the overall level was evaluated as"good".The results indicate that during the 13th Five Year Plan period,the sound environment quality in Yinchuan City was good and maintained at a relatively stable level.However,from the perspective of sound source intensity,road traffic and social life noise still need to be continuously strengthened and controlled.Based on the causes of noise pollution in construction,road traffic,industrial enterprises,and social life,and combined with the actual situation,corresponding prevention and control measures are analyzed and proposed from multiple aspects.
NETL
NSTL
万方数据
维普
