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《Yellow River》 2015-02
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Application of Entropy-Weighted Matter-Element Model in Black-Odour Prediction for River

ZHANG Jingyao;XU Mingde;ZHANG Junjie;GUO Yuan;College of Environmental Science and Engineering,Taiyuan University of Technology;  
Considering the fuzziness and uncertainty of reasons for river black- odor and the complexity of reasons for black- odor of river in arid areas,a method of entropy weight to determine the weight of each evaluation index was applied with the matter- element extension model based on the entropy weight to estimate the black- odor level of river in arid areas. Besides this,Jincheng section of Danhe River was selected as a representative research object where built 5 monitoring sections in Zhaozhuang,reservoir outlet of Dongjiao River,Renzhuang Reservoir,west of Gaoping River and Baishui River. Through investigation and water quality monitoring in wet season,normal season and dry season,BOD,COD,NH3- N,Mn,CH,DO,Fe,P were selected as the evaluation index to evaluate the level of black- odor river. The results show that the prediction results are consistent with the actual situation and the accuracy is higher.
【Fund】: 山西省自然科学基金资助项目(2012011033-1)
【CateGory Index】: X824
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