【摘要】 收集2006-2010年淮安市各功能区环境噪声、交通噪声和区域环境噪声监测数据,分析中小城市环境噪声的污染状况,结果表明中小城市的噪声环境质量都有不同程度的好转,与大城市环境噪声比较,各类噪声都明显低于大城市的噪声污染,但随着城市和交通的改造与发展,第4类城市功能区夜间环境噪声有增加趋势。更多还原

【Abstract】 This paper collected the monitoring data of environmental noises in various functional areas,traffic noises and regional environmental noises of Huaian during 2006 to 2010.The pollution situations of environmental noises in medium and small-sized cities were analyze and the results showed that quality of environment noises in these cities all improved in different degrees.The noise environment is obviously bitter than the big cities,but along with the transformation and development of city and transportation,the environmental noise in the fourth kind of functional area has an increase tendency at night.更多还原