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《Journal of Anhui Agricultural Sciences》 2007-11
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Changes of Heavy Metals Distribution in Water Body of the Three Gorges Reservoir at 135 m Water Level

ZHANG Sheng et al(Chongqing Academy of Environmental Science,Chongqing 400020)  
Horizontal distribution of the 4 heavy metals before and after the water level reached 135 meters were analyzed,taken Zhutuo,Cuntan(upriver area),Qingxichang(fluctuating backwater area),Wanzhou(reservoir area) as representatives.The result indicated that concentration of total Pb,total Cu,total Cd had augment trend after the water level reached 135 meters.Concentration of dissolvable Pb had augment trend before the water level reached 135 meters,and had depressed trend after the water level reached 135 meters.Dissolvable Cu(except Zhutuo) had augment trend in the other monitoring sites after the water level reached 135 meters.Dissolvable Cd had no significant differences before and after the water level reached 135 meters in different monitoring sites.There might be Pb,Cd complex pollution and Pb,Cu complex pollution and Cu,Cd complex pollution before and after the water level reached 135 meters.
【Fund】: 重庆市自然科学基金资助项目(2005BB7239);; 重庆市建委资助项目(2006-12)
【CateGory Index】: X524
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