摘要
选择城市校园区作为研究对象,自制了降雨径流水质监测取样装置,在2002年-2004年雨季,对研究区的天然降雨及不同下垫面的9个观测点18场降雨进行了监测取样,获取有效水样423个,检测得到5000余个水质数据。通过研究分析,对城市校园区降雨过程中不同下垫面的污染情况和各项水质指标变化规律有了初步了解,研究结果表明:城市校园区雨水径流的主要污染物质为COD、SS、TN等,而重金属和无机盐类浓度则较低。据此,提出了城市校园区雨水利用和面源污染防控的具体建议措施。
Selecting one urban campus as the research area and sampling with the self-designed sampling apparatus, the authors obtained 423 samples from 9 different underlying surfaces and 1 natural rainfall during 18 rainwater runoff processes from July, 2002 to September, 2004. The program has obtained more than 5000 chemical test data. The research result indicates that： the main pollutants in the campus are COD, suspen- ded solids and TN etc. , while the concentrations of heavy metals and inorganic substances are relatively very low. According to above results, some detail measures are suggested for the urban campus areas on rainwater utilization and runoff pollution controlling.
出处
《南水北调与水利科技》
CAS
CSCD
2010年第2期91-94,106,共5页
South-to-North Water Transfers and Water Science & Technology
基金
国家自然科学基金项目(50678009)
关键词
面源污染
取样装置
降雨径流
雨水水质
下垫面
城市雨水利用
non-point source pollution
sampling apparatus
precipitation runoff
rainwater quality
underlying surface
urban rainwater utilization
