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学科主题: 地理学::自然地理学
题名: Comparison of surface water chemistry and weathering effects of two lake basins in the Changtang Nature Reserve, China
作者: Wang, R (Wang, Rui)1, 2; Liu, ZF (Liu, Zhaofei)1; Jiang, LG (Jiang, Liguang)1; Yao, ZJ (Yao, Zhijun)1; Wang, JB (Wang, Junbo)3; Ju, JT (Ju, Jianting)3
通讯作者: Yao, ZJ
刊名: JOURNAL OF ENVIRONMENTAL SCIENCES
发表日期: 2016
DOI: 10.1016/j.jes.2015.03.016
卷: 41, 期:0, 页:183-194
收录类别: SCI
合作性质: 国内
文章类型: Article
英文摘要: The geochemistry of natural waters in the Changtang Nature Reserve, northern Tibet, can help us understand the geology of catchments, and provide additional insight in surface processes that influence water chemistry such as rock weathering on the Qinghai-Tibet Plateau. However, severe natural conditions are responsible for a lack of scientific data for this area. This study represents the first investigation of the chemical composition of surface waters and weathering effects in two lake basins in the reserve (Lake Dogaicoring Qiangco and Lake Longwei Co). The results indicate that total dissolved solids (TDS) in the two lakes are significantly higher than in other gauged lakes on the Qinghai-Tibet Plateau, reaching 20-40 g/L, and that TDS of the tectonic lake (Lake Dogaicoring Qiangco) is significantly higher than that of the barrier lake (Lake Longwei Co). Na+ and Cl-are the dominant ions in the lake waters as well as in the glacier-fed lake inflows, with chemical compositions mainly affected by halite weathering. In contrast, ion contents of inflowing rivers fed by nearby runoff are lower and concentrations of dominant ions are not significant. Evaporite, silicate, and carbonate weathering has relatively equal effects on these rivers. Due to their limited scope, small streams near the lakes are less affected by carbonate than by silicate weathering. (C) 2015 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V.
语种: 英语
WOS记录号: WOS:000373231400021
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7742
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Tibetan Plateau Res, Beijing 100085, Peoples R China

Recommended Citation:
Wang, R ,Liu, ZF ,Jiang, LG ,et al. Comparison of surface water chemistry and weathering effects of two lake basins in the Changtang Nature Reserve, China[J]. JOURNAL OF ENVIRONMENTAL SCIENCES,2016,41(0):183-194.
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