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三峡库区香溪河中重金属元素的分布特征
Authors
张晓华,肖邦定,陈珠金,惠阳,徐小清
Publication date
1 January 2002
Publisher
Abstract
长江三峡水库蓄水后 ,香溪河水环境条件将发生变化 ,也导致该流域内重金属环境化学行为的变化 ,有些金属的危害比现在会更大。为积累蓄水前的基本资料 ,在 1996~ 1997年春、夏、秋、冬四季采集了香溪河原水、沉积物、鱼类和植物样品 ,并对所采集的鱼进行分类 ,分析这些样品中的Ca、Mg、As、Pb、Cd、Cr、Cu、Hg和Zn元素的含量。研究结果显示 ,香溪河局部地区因小金矿开发引起的Hg污染十分严重 ;洪水期 (7月 )原水中的Pb、Cd、Cr、Cu浓度大于枯水期 (1月 ) ;沉积物中Pb、Cd浓
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Institute of Hydrobiology, Chinese Academy Of Sciences
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oai:ir.ihb.ac.cn:152342/2572
Last time updated on 15/03/2018