西昌邛海滨湖公路不同路段路面径流污染研究
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摘要
通过对西昌邛海滨湖公路5个不同路段在旱季和雨季降雨期间的有效采样,分析其路面径流的污染特征。结果表明,旱季SS和TN污染贡献率较大,分别为51.206%和24.008%;雨季的SS和COD污染贡献率较大,分别为40.559%和22.058%;5个不同路段的路面径流污染程度均超过邛海湖泊功能的Ⅱ类水质要求,旱季和雨季的污染物浓度存在一定的差异,可能与不同路段的车流量、降雨强度、路面清扫程度以及自然气候等因素密切相关。本文结合其污染因素探讨有效的控制措施,并提出建议。
In this paper,water samples of road runoff are collected in five different road sections of Qionghai Lakeside Road during the dry season and rainy season.The pollution index are evaluated by comprehensive index method based on factor analysis.The variance contribution rates in dry season are 51.206% and 24.008% respectively,while the variance contribution rates in rainy season are 40.559% and 22.058% respectively.According to the comprehensive evaluation,it is concluded that the water quality of road runoff in all of the five different sections have exceeded the standard of GraveⅡ quality for Qionghai Lake though there is certain difference in dry and rainy seasons in terms of the contaminant concentration which may be related to the traffic volume,rainfall intensity and degree of cleaning as well as climate etc.In the paper the effective control measures and suggestions are proposed based on the pollution factors.
In this paper,water samples of road runoff are collected in five different road sections of Qionghai Lakeside Road during the dry season and rainy season.The pollution index are evaluated by comprehensive index method based on factor analysis.The variance contribution rates in dry season are 51.206% and 24.008% respectively,while the variance contribution rates in rainy season are 40.559% and 22.058% respectively.According to the comprehensive evaluation,it is concluded that the water quality of road runoff in all of the five different sections have exceeded the standard of GraveⅡ quality for Qionghai Lake though there is certain difference in dry and rainy seasons in terms of the contaminant concentration which may be related to the traffic volume,rainfall intensity and degree of cleaning as well as climate etc.In the paper the effective control measures and suggestions are proposed based on the pollution factors.
引文
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[15]王彪,李田,等.路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.
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[2]康爱红,娄可可,肖鹏,等.扬州市路面径流污染特征分析与排放规[J].公路,2016,(8):212-216.
[3]曾伟峰,许益新,李一平.南京城区两类典型屋面降雨径流的特征[J].净水技术,2016,35(2):26-31.
[4]胡林,王琦,单永体,等.青藏高原地区典型公路路域水环境特征[J].水土保持通报,2017,37(1):286-291.
[5]蒋康,刘克非.长株潭地区路面径流污染特征调查与研究[J].公路工程,2016,41(2):217-220.
[6]李华,陈玉成,杨志敏,等.高速公路路面径流污染影响因素的初步分析[J].公路交通科技,2011,28(5):146-152.
[7]叶伊兵.中国环境保护标准汇编---水质分析方法[M].北京:中国标准出版社,2001.
[8]关博文,王英伟,郑国臣.基于因子分析的嫩江重要省界缓冲区水质评价研究[J].环境科学与管理,2016,41(10):172-175.
[9]李文生.基于因子分析的水质综合指标评价法及其运用[J].中北大学学报:自然科学版,2011,32(2):1673-3193.
[10]聂发辉,向速林,王全金,等.城市高架公路雨水径流的污染特征[J].生态环境学报,2012,21(5):924-928.
[11]黄金良,杜鹏飞,欧志丹,等.澳门城市路面地表径流特征分析[J].中国环境科学,2006,26(4):469-473.
[12]赵晓光,李雅楠.西安市城区降雨路面径流水质分析与评价[J].能源与环境,2016,(3):57-69.
[13]陈莹,赵剑强,胡博.西安市城市主干路道路路面径流污染特征研究[J].中国环境科学,2011,31(5):781-788.
[14]龙剑波,李兴杨.城市区域不同屋顶降雨径流水质特征[J].环境工程学报,2014,8(7):2895-2900.
[15]王彪,李田,等.路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.
[16]赵金辉.陈卫.高速公路降雨径流污染特征及其污染控制[J].环境污染治理技术与设备,2006,7(11):66-70.