肯达尔检验法在江阴市河流水质趋势分析中的应用

Application of Kendall method to analysis of variation tendency of water quality in river of Jiangyin

为了了解江阴市水质变化动态,根据2006-2011年江阴市地表水主要污染指数的实测资料,应用季节性肯达尔检验法,对江阴市地表水主要污染指标的变化趋势进行分析评价。结果表明:近年来,随着江阴市水污染防治力度的加大,江阴市境内的主要河流湖泊总体水质状况呈好转趋势。

In order to understand the dynamic change of water quality and according to the actual data of main pollution indices of surface water quality in Jiangyin from 2006 to 2011 , the paper used the seasonal Kendall method to analyze the variation tendency of main pollution indices of surface water in Jiangyin . The results showed that in recent years , with the implement of prevention and control of water pollution in Jiangyin, the situation of water quality of major rivers and lakes in Jiangyin shows improving trends .