气候变化领域集成服务门户(CCPortal): Composition, spatial distribution, and environmental significance of water ions in Pumayum Co catchment, southern Tibet

CCPortal

DOI	10.1007/s11442-010-0109-x
	Composition, spatial distribution, and environmental significance of water ions in Pumayum Co catchment, southern Tibet
	Zhu Liping; Ju Jianting; Wang Yong; Xie Manping; Wang Junbo; Peng Ping; Zhen Xiaolin; Lin Xiao
通讯作者	Ju, JT (通讯作者)
发表日期	2010
ISSN	1009-637X
EISSN	1861-9568
起始页码	109
结束页码	120
卷号	20 期号:1
英文摘要	The chemistry of major cations (Mg2+, Ca2+, Na+, and K+) and anions (HCO3-, SO42-, and Cl-) in the water of Lake Pumayum Co and its inflow river was studied, revealing the obvious ionic difference among various inflow rivers and the lake. The chemical type of the lake water was Mg2+-Ca2+-HCO3--SO42+, but the major ions of the main inflow rivers were Ca2+-Mg2+-HCO3-. In the lake inlet of Jiaqu River, the main inflow river, there was significant variance of water chemistry within the depth less than 2 m. However, it was almost homogeneous at other area of the lake. Therefore, with the evidence of distribution of water chemistry and oxygen isotope of lake water, a conclusion can be outlined that Jiaqu River had a distinct effect on the hydrochemistry of the water on the submerged delta, whereas this is not the case for other rivers. The Gibbs plot revealed that the dominant mechanism responsible for controlling chemical compositions of the lake water was rocks weathering in the drainage area. Ion ratios and ternary plots further explored the main processes controlling the water chemistry of the catchment, i.e., carbonate weathering, pyrite weathering, and silicate weathering. The different hydrochemistry characteristics between river water and lake water may result from the CaCO3 precipitation. The findings will benefit the explanation of the environmental significance of carbonate in paleolimnological studies in the lake.
关键词	WEATHERING PROCESSES SOLUTE ACQUISITION GARHWAL HIMALAYA CHEMISTRY INDIA RIVER GEOCHEMISTRY FLUXES LAKE
英文关键词	Lake Pumayum Co; hydrochemistry; spatial distribution; sedimentary process; carbonate
语种	英语
WOS研究方向	Physical Geography
WOS类目	Geography, Physical
WOS记录号	WOS:000273792100008
来源期刊	JOURNAL OF GEOGRAPHICAL SCIENCES
来源机构	中国科学院青藏高原研究所
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/257765
推荐引用方式 GB/T 7714	Zhu Liping,Ju Jianting,Wang Yong,et al. Composition, spatial distribution, and environmental significance of water ions in Pumayum Co catchment, southern Tibet[J]. 中国科学院青藏高原研究所,2010,20(1).
APA	Zhu Liping.,Ju Jianting.,Wang Yong.,Xie Manping.,Wang Junbo.,...&Lin Xiao.(2010).Composition, spatial distribution, and environmental significance of water ions in Pumayum Co catchment, southern Tibet.JOURNAL OF GEOGRAPHICAL SCIENCES,20(1).
MLA	Zhu Liping,et al."Composition, spatial distribution, and environmental significance of water ions in Pumayum Co catchment, southern Tibet".JOURNAL OF GEOGRAPHICAL SCIENCES 20.1(2010).