This article gives a spot investigation on the gutters in Beijing urban area and carries out a simulated experiment with the litters from gutters and gives a quantitative estimation of the pollutants from the litters.
雨水口既是城市排水管系汇集雨水径流的瓶颈,又是城市非点源污染物进入水环境的首要通道,一旦被垃圾充塞,不仅导致排水不畅甚至水涝,还会对城市水体造成严重的污染。