Quantificational analysis on progress of river water quality in China

查看全文 作　　者：YUN Yi,ZOU Zhihong,FENG Wei,RU Mai School of Economics and Management,Beihang University,Beijing 100191,China.

出　　处：《Journal of Environmental Sciences》索引2009年第21卷第6期,共4页

基　　金：supported by the National Natural Science Foundation of China (No. 50778009) 摘　　要：In order to understand the dynamic change of water quality in a specific period of time,a type of possibility transition matrix based on the theory of Markov process was established.The transition possibility with a weight to calculate the degree of absolute advancement was given based on the result of water quality evaluation.The concept of relative advancement was presented.It was used to evaluate the extent of water quality changed in a period of time.The method was used to calculate the degrees of relative advancement for 4 rivers in China,and the results were analyzed. 关键词：河流水质定量分析中国马尔可夫过程转移矩阵理论重量计算动态变化水质变化

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Quantificational analysis on progress of river water quality in China

参考文献(18)

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耦合文献(509)

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