Pollution Characteristics of Water System and River System in Haihe Basin
Based on the data of water yield and quality from 2000 to 2013 in Haihe basin,the pollution characteristics of the four water systems and the seven river systems in the basin were discussed using statistics analysis method.Results showed that the pollution characteristics existed significant differences between the systems and the water quality in the whole basin deteriorated from north to south.The water quality of Tuhaimajia river was the worst and the length percent content of polluted rivers with inferior class Ⅲ was kept almost 100%.In the whole basin,water quality of northern river was relatively good.Water quality in about 40% ~70% sections of Haihe North,Luanhe and Jidong coastal rivers were kept over class Ⅲ water level.On the whole,the water pollution in Haihe Basin may degrade in the following years.
Haihe river basinpollution characteristicswater systemriver system