铁岭市城市降雨径流产生面源污染对辽河污染的研究

Studing on The Liao River Water Pollution about The Non-Point Source Pollution by Rain Runoff in Tieling City Area

为了保证铁岭市城市水环境安全,选择铁岭市中心城区开展面源污染研究,以降雨实测数据和降雨频次计算出一年中大雨、中雨和小雨过程中各排污口污染物年汇入量,得出城市面源污染负荷强度以及污染物入河量规律,分析污染变化趋势,为政府治理辽河提供科学依据。

Studied non- point source pollution in fie.ling city, calculated out every arranges annual abouehement of filthy mouths pollution amounts among one year in heavy rain, moderate rain and light rain process, the paper reaches city source intensity contaminating load and pollution entering amounts fiver laws, analyses the basis contaminationg the change trend, provides a scientific basis for the government governs on Liso river.