ANALYSIS OF RAINFALL RUNOFF POLLUTION CHARACTERISTICS OF DIFFERENT ROOF UNDERLYING SURFACES IN RESIDENTIAL AREAS OF TIANJIN
-
摘要: 选取天津市居民区典型材质(油毡、塑钢和水泥瓦)屋面下垫面,对其降雨径流污染特征和污染物初期冲刷效应进行了分析,并考察了不同类型材质屋面降雨径流中颗粒物分布及主要污染物赋存形式。场次降雨径流平均浓度分析结果表明:SS和COD是降雨径流中的主要污染物,降雨径流污染程度顺序为油毡屋面>水泥瓦屋面>塑钢屋面;颗粒物是降雨径流中污染物的主要载体,与COD和TP的相关度较高。各屋面径流污染均存在一定程度的初期冲刷效应,塑钢屋面径流污染物冲刷与Sartor-Boyd模型拟合相关性较好;屋面径流中颗粒物粒径分布主要受降雨量和降雨强度的影响,颗粒物粒径主要分布在10~100μm(体积比60%~75%)。不同屋面降雨径流中86%~92%的COD和90%~95%的TP均主要以颗粒态形式存在,而50%~65%的氮主要以溶解态形式存在。Abstract: The characteristics of the rainfall runoff pollution and the first flush effect of pollutants on the underlying surfaces of typical roofing materials(asphalt, plastic steel and cement tile) in the residential areas of Tianjin were investigated, and the distribution of particles and the occurrence forms of main pollutants in rainfall runoff from roofs of different materials were also analyzed. The results of the event mean concentration(EMC) analysis showed that SS and COD were the main pollutants in rainfall runoff. The order of pollution degree of rainfall runoff was asphalt roof > cement tile roof > plastic steel roof. The main carriers of pollutants in rainfall runoff were particulate matters, which were closely related with COD and TP. The first flush phenomenon was found in different roof runoffs, among them the plastic steel roof showed higher correlation with the Sartor-Boyd model. The particle size distribution of particulate pollutants in the runoffs were mainly influenced by the rainfall and rainfall intensity. The main particulate pollutants were distributed in particles diameter range of 10~100 μm, accounting for 60%~75% of the total volume. 86%~92% of COD and 90%~95% of TP were mainly existed in the granular form, while 50%~65% of nitrogen was mainly existed in the dissolved form in rainfall runoff from different roofs.
-
Key words:
- rainfall runoff /
- underlying surface /
- pollution characteristic /
- first flush effect /
- particles
-
[1] 王显海,来庆云,杜靖宇,等.宁波市城区不同下垫面降雨径流水质特征分析[J].环境工程,2016,34(增刊1):312-316. [2] GILBERT J K,CLAUSEN J C.Stormwater runoff quality and quantity from asphalt,paver,and crushed stone driveways in Connecticut[J].Water Research,2006,40(4):826-832. [3] 何湖滨,陈诚,林育青,等.城市不同材料屋面径流的污染负荷特性[J].环境科学,2019,40(3):1287-1294. [4] 王宝山,黄廷林,聂小保,等.不透水表面雨水径流污染物冲刷规律研究[J].环境工程学报,2010,4(9):1950-1954. [5] 陈伟伟,吴晓楷,李自明.城市屋面降雨冲刷污染物变化模型模拟研究[J].水利与建筑工程学报,2017,15(1):48-51. [6] LEE J H,BANG K W,KETCHUM L H,et al.First flush analysis of urban storm runoff[J].Science of the Total Environment,2002,293(1/2/3):163-175. [7] GEONHA K,JOONGHYUN Y,JEONGKON K.Diffuse pollution loading from urban stormwater runoff in Daejeon city,Korea[J].Journal of Environmental Management,2007,85(1):9-16. [8] 张伟,罗乙兹,钟兴,等.北京市中心城区某沥青屋面和金属屋面径流污染特征[J].科学技术与工程,2019,19(23):358-365. [9] CHAD C,JARROD T,JOHN J S.A granulometry-based selection methodology for separation of traffic-generated particles in urban highway snowmelt runoff[J].Water,Air,and Soil Pollution,2002,136(1/2/3/4):33-53. [10] UUSITALO R,TURTOLA E,PUUSTINEN M,et al.Contribution of particulate phosphorus to runoff phosphorus bioavailability[J].Journal of Environmental Quality,2003,32(6):2007-2016. [11] BIBBY R L,WEBSTER-BROWN J G.Characterisation of urban catchment suspended particulate matter (Auckland region,New Zealand):a comparison with non-urban SPM[J].The Science of the Total Environment,2005,343(1/2/3):177-197. [12] XU C,YANG Z J,QIAN W,et al.Runoff and soil erosion responses to rainfall and vegetation cover under various afforestation management regimes in subtropical montane forest[J].Land Degradation & Development,2019,30(14):1711-1724. [13] HANZLIK J E,MMNSTER C L,MCFARLANG A,et al.GIS analysis to identify turfgrass sod production sites for phosphorus removal[J].Transactions of the ASAE,2004,47(2):453-461. [14] HOGAN D M,WALBRIDGE M R.Best management practices for nutrient and sediment retention in urban stormwater runoff[J].Journal of Environmental Quality,2007,36(2):386-395. [15] 刘新梅.《水和废水监测分析方法》问题探讨[J].中国环境监测,1993(1):63-64. [16] 王书敏,郭树刚,何强,等.城市流域降雨径流水质特性及初期冲刷现象[J].环境科学研究,2015,28(4):532-539. [17] SARTOR J D,BOYD G B,AGAEDY F J.Water pollution aspects of street surface contaminants[J].Journal (Water Pollution Control Federation),1974,46(3):458-467. [18] WHIPPLE W,HUNTER J V,Yu S L.Effects of storm frequency on pollution from urban runoff[J].Journal (Water Pollution Control Federation),1977,49(11):2243-2248. [19] 杨宗政,龚红君,曹井国,等.天津中心城区典型区域雨水径流污染特性[J].地球与环境,2020,48(5):593-601. [20] 刘大喜,李倩倩,李铁龙,等.北方沿海城市屋面雨水径流水质及影响因素[J].环境科学与技术,2016,39(12):100-105. [21] 王海邻,曹雪莹,任玉芬,等.北京城市主干道降雨径流污染负荷分析[J].环境科学学报,2019,39(6):1860-1867. [22] 郝丽岭.重庆城市居民区不同下垫面降雨径流污染及其控制研究[D].重庆:西南大学.2012. [23] 赵晓佳,王少坡,于贺,等.天津中心城区典型下垫面降雨径流污染冲刷特征分析[J].环境工程,2019,37(7):34-38,87. [24] 袁玲,周鑫斌,辜夕容,等.重庆典型地区大气湿沉降氮的时空变化[J].生态学报,2009,29(11):6095-6101. [25] 李春林,刘淼,胡远满,等.沈阳市降雨径流初期冲刷效应[J].生态学报,2013,33(18):5952-5961. [26] 周栋,陈振楼,毕春娟.温州城市降雨径流磷的负荷及其初始冲刷效应[J].环境科学,2012,33(8):2634-2643. [27] DELETIC A.The first flush load of urban surface runoff[J].Water Research,1998,32(8):2462-2470. [28] 程丰,王庆国,刘朝榕,等.城市路面径流颗粒污染物研究现状分析[J].环境工程,2019,37(4):181-185. [29] 武俊良,任玉芬,王雪梅,等.城市典型屋面径流的排污特征[J].环境工程学报,2016,10(8):4351-4356. [30] 李淮,吴玮,田永静,等.苏州市古城区降雨径流颗粒物粒径分布及污染物赋存形态[J].环境科学,2016,37(2):565-572. [31] VAZE J,CHIEW H S F.Experimental study of pollutant accumulation on an urban road surface[J].Urban Water,2002,4(4):379-389. [32] VAZE J,CHIEW H S F.Nutrient loads associated with different sediment sizes in the urban stormwater and surface pollutants[J].Journal of Environmental Engineering,2004,130(4):391-396. [33] MIGUNTANNA N P,LIU A,EGODAWATTA P,et al.Characterising nutrients wash-off for effective urban stormwater treatment design[J].Journal of Environmental Management,2013,120:61-67. [34] TAYLOR G D,FLETCHER T D,WONG T H F,et al.Nitrogen composition in urban runoff—implications for stormwater management[J].Water Research,2005,39(10):1982-1989. [35] 王彪,李田,孟莹莹,等.屋面径流中营养物质的分布形态研究[J].环境科学,2008,29(11):3035-3042.
点击查看大图
计量
- 文章访问数: 205
- HTML全文浏览量: 31
- PDF下载量: 5
- 被引次数: 0