摘要
通过采集杭州市临安区不同功能区6个监测点3次降雨径流过程的水样,监测降雨径流中总磷(TP)、总氮(TN)、氨氮(NH3-N)、化学需氧量(COD)的EMC值,分析城市道路地表径流污染特征。结果表明,临安区不同功能区路面降雨径流中相同污染物浓度不同,降雨径流污染物EMC平均值由高到低为商业区>交通区>居民区>文教区。降雨径流污染物EMC值随着降雨时间增加逐渐降低。降雨前期空气污染越严重,降雨径流污染物浓度越高,即冬季降雨径流污染物浓度大体上高于秋季。
In this paper,3 rainfall runoff samples were collected from 6 sites in different functional zones of Lin an,Hangzhou,the EMC values of total phosphorus(TP),total nitrogen(TN),ammonia nitrogen(NH 3-N),chemical oxygen demand(COD)in the samples were monitored and the pollution characteristics of the road rainfall runoff were analyzed.The results showed that the concentration of the same pollutant varied in different functional zones.The average EMC values from high to low were business district,traffic area,residential district,institutes and colleges district.The pollutant EMC values in rainfall runoff decreased as the rainfall time increased.The more serious of air pollution before rain,the higher concentration of the pollutant in rainfall runoff.In general,the pollutant concentration was higher in winter than that in the fall.
作者
龚苗苗
蔡成豪
苗涵倩
洪家兴
朱方伦
许振波
方晓波
GONG Miao-miao;CAI Cheng-hao;MIAO Han-qian;HONG Jia-xing;ZHU Fang-lun;XU Zhen-bo;FANG Xiao-bo(School of Environmental and Resources Science,Zhejiang A & F University,Hangzhou,Zhejiang 311300, China;Hangzhou Lin an Environmental Monitoring Station,Hangzhou,Zhejiang 311300,China)
出处
《环境监测管理与技术》
CSCD
2019年第4期18-22,共5页
The Administration and Technique of Environmental Monitoring
基金
浙江省自然科学基金资助项目(LY15D010005)
浙江省大学生科技创新活动计划暨新苗人才计划基金资助项目(2017R412009)
浙江农林大学学生科研训练基金资助项目(2013200035)
关键词
路面径流
污染特征
场次降雨平均浓度
功能区
临安
Road runoff
Pollution characteristic
Event mean concentration(EMC)
Functional zones
Lin an
