淮安市地表水水质变化趋势分析

应用季节性kendall检验法,对2000—2009年淮安市主要水系河流的地表水水质指标变化趋势进行分析评价。结果表明:随着近年来淮河流域水污染防治力度的加大,以及对洪泽湖作为南水北调东线工程输水主干线自身的治理,淮安市境内的主要河流湖泊总体水质略有好转,由于淮河入海水道水功能区划的调整,入海水道总体水质有所下降,而洪泽湖水体TP含量呈逐年上升趋势,其他水体水质总体变化不大。

Analysis of change tendency of surface water quality in Huai'an City

The change tendency of the main pollution indices of surface water quality from 2000 to 2009 in Huai'an City was evaluated using the seasonal Kendall method.The results showed that,with the improvement of prevention and control of water pollution in Huaihe River Basin in recent years,and based on the demands of self-management of Hongze Lake,the water quality of the major rivers and lakes in Huai'an City was tending to be well.While the water quality was tending to be bad in Huaihe water course to the sea b...