Study On River Restoration Such As Trend Analysis Of Water Quality And Control Measures In Suzhou Urban River

The article has introduced the research development of the river pollution control technology in domestic and foreign. According to the comparison of the river water quality pollution controlled before and after, the improvement of the water quality of Suzhou urban river is mainly due to the river pollution comprehensive improvement project.The change tendency of main pollution target and the rivers water quality from 1991 to 2006 in Suzhou urban river is evaluated by integrated pollution index method and spearman rank correlation coefficient method . The results show that the Suzhou urban river is typically the type of organic pollution of rivers, oil is the most important Pollutant target; Suzhou urban rivers water pollution in these 16 years period as a whole is reducing unceasingly, water quality obvious change for the better.Along with urban river course comprehensive improvement project's completion, the urban rivers water quality assumes the change for the better tendency as a whole, but has certain disparity to the corresponding function regionalization request. From this proposed that river pollution's comprehensive program of public order control countermeasure, further improves the Suzhou urban rivers water quality, improves the overall water environment quality continuously.