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长江河源区水化学基本特征的研究
Language中文
邓伟
Source Publication长江河源区自然环境研究
Editor孙广友
Pages53-60
1995
Publisher科学出版社
Publication Place北京市
Keyword长江河源区 水化学 基本特征
Abstract本文以长江河源区的考察和水样分析为依据,对其水化学基本特征进行了初步研究.绪论:地表水与地下水的pH值均>7,一般在7.8-8.2。东部区的矿化度较西部区低,沱沱河流域水化学类型复杂,水质咸化明显。
Other AbstractThe results of water sample analysis and investigation in the source region of the Changjiang River revealed that the characteristics of hydrochemistry of the river vary with drainage basins.In the drainage basin of the Tuotuo River,the mineralization degree of water is generally high,ions of Cl- and Na+ are obviously dominant.The water tends to be sahy,and the type of hydrochemistry is rather complex.In the drairmge basin of the Dam River.the mineralization degree is mainly in a low and middle level,HCO3- and Ca2+ is higher than others,and the type of hydrochemistry is relatively simple.The ground water in deep layers plays an important role in recharging surface water,and the stable recharging resuhs in a little change in chemical composition 0f surface water.
Document Type专著章节文集论文
Identifierhttp://ir.imde.ac.cn/handle/131551/7288
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
邓伟. 长江河源区水化学基本特征的研究. 长江河源区自然环境研究. 北京市:科学出版社,1995:53-60.
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