The Suzhou Creek is a seriously polluted tid-al river in Shanghai. The SuzhouCreek Rehabilitation Project was launched in 1998, and the total investment will surpass 10 billionyuan RMB. It is important to assess the e...The Suzhou Creek is a seriously polluted tid-al river in Shanghai. The SuzhouCreek Rehabilitation Project was launched in 1998, and the total investment will surpass 10 billionyuan RMB. It is important to assess the effectiveness of the project and ascertain its targets. Inthis study, by analyzing the achievements of Suzhou Creek Reha-bilitation Project (Stage Ⅰ) and itsremaining problems, the main tasks of the Project Stage Ⅱ are proposed. These works are wastewaterinterception, sediment dredging, bidirectional water diversion, and reconstruction of municipalpump stations. The water quality model established with USEPA''s WASP is employed to analyze thequantitative targets of the Project Stage Ⅱ. In the Project Stage Ⅱ, the water quality ofmainstream and tributaries will be improved continuously, the valus of COD_(Cr), BOD_5 , DO in themainstream will steadily attain Class Ⅳ according to the National Surface Water Quality Standard,and the ecological environment of Suzhou Creek with continuously recover.展开更多
文摘The Suzhou Creek is a seriously polluted tid-al river in Shanghai. The SuzhouCreek Rehabilitation Project was launched in 1998, and the total investment will surpass 10 billionyuan RMB. It is important to assess the effectiveness of the project and ascertain its targets. Inthis study, by analyzing the achievements of Suzhou Creek Reha-bilitation Project (Stage Ⅰ) and itsremaining problems, the main tasks of the Project Stage Ⅱ are proposed. These works are wastewaterinterception, sediment dredging, bidirectional water diversion, and reconstruction of municipalpump stations. The water quality model established with USEPA''s WASP is employed to analyze thequantitative targets of the Project Stage Ⅱ. In the Project Stage Ⅱ, the water quality ofmainstream and tributaries will be improved continuously, the valus of COD_(Cr), BOD_5 , DO in themainstream will steadily attain Class Ⅳ according to the National Surface Water Quality Standard,and the ecological environment of Suzhou Creek with continuously recover.