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长江渡口以上水化学
Alternative TitleTHE HYDROCHEMISTRY IN THE UPPER REACHES TO DUKOU OF THE CHANGJIANG RIVER
Language中文
苏春江; 唐邦兴
Source Publication长江河源区自然环境研究
Editor孙广友 ; 唐邦兴 主编
Pages61-69
1995
Publisher科学出版社
Publication Place北京市
Keyword长江上游 水化学 水质
Abstract本文对长江上游的水化学做了系统分析,指出从源头到渡口,矿化度沿程减少,水质变好。以巴塘为界,上游为硬水,下游为软水。水土流失使水质受到影响。
Other AbstractThe writers have studied initially hydrochemical characteristics form the upper reaches to Dukou of the Changjiang River on the basis of the field investigation and the analysis of the water samples.The contents  of ions appear  increasing tendency from the source  to Tuotuoheyan.The order of the anion content is:HCO3->Cl->SO42-.But the ion of Cl had superiority in special dryillg of the river,the content of ca2+  is the higher in the cations.The river water appear weak alkali,the pH Value is between 7.55 and 8.55, the correlation coefficient r>O.9.The contents of trace element in the river are intluenced by naturaI condition of the catchment,they have nothing in COmmon with each other.
Document Type专著章节文集论文
Identifierhttp://ir.imde.ac.cn/handle/131551/7289
Collection成都山地所知识仓储(2009年以前)
山区发展研究中心
Recommended Citation
GB/T 7714
苏春江,唐邦兴. 长江渡口以上水化学. 长江河源区自然环境研究. 北京市:科学出版社,1995:61-69.
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