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Hydrochemical regime and its mechanism in Yamzhog Yumco Basin, South Tibet
Zhe, Meng1,2; Zhang, Xueqin1; Wang, Buwei1,2; Sun, Rui3; Zheng, Du1
2017-09-01
Source PublicationJOURNAL OF GEOGRAPHICAL SCIENCES
ISSN1009-637X
Volume27Issue:9Pages:1111-1122
Corresponding AuthorZhang, Xueqin(zhangxq@igsnrr.ac.cn)
AbstractThe hydrochemistry of alpine lakes reflects water characteristic and its response to climatic change. Over 300 water samples had been collected from 52 sites of 5 lakes and 7 inflowing rivers in the Yamzhog Yumco Basin, South Tibet, during 2009-2014, basing which the hydrochemical regime and its mechanism were analyzed along with the adoption of hydrological investigations in 1979 and 1984 as well. Results revealed that the waters were hard with weak alkalinity for the Yamzhog Yumco Basin. Most of them were fresh, and the rest were slightly saline. The hydrochemical types of 5 lakes (i.e., Lake Yamzhog Yum Co, Puma Yum Co, Bajiu Co, Kongmu Co, and Chen Co) were SO4 (2-)-HCO3 (-)-Mg2+-Na+, HCO3 (-)-SO4 (2-)-Mg2+-Ca2+, SO4 (2-)-Mg2+-Na+, SO4 (2-)-HCO3 (-)-Ca2+, and SO4 (2-)-Na+-Mg2+-Ca2+, respectively. As for rivers, HCO3 (-) and SO4 (2-) were the major anions, and Ca2+ was the dominant cation. Lake Yamzhog Yum Co, the largest lake in the basin, exhibited remarkable spatial variations in hydrochemistry at its surface but irregular changes with depth. The weathering of evaporates and carbonates, together with evaporation and crystallization, were the major mechanisms controlling the hydrochemistry of waters in the Yamzhog Yumco Basin. Global warming also had significant impacts on hydrochemical variations.
Keywordhydrochemical regime control mechanism Piper diagram Gibbs model Yamzhog Yumco Basin alpine lake
DOI10.1007/s11442-017-1425-1
WOS KeywordMAJOR ION GEOCHEMISTRY ; LAKE AREA VARIATIONS ; NAM CO BASIN ; CLIMATE-CHANGE ; SHALLOW GROUNDWATER ; WATER CHEMISTRY ; YANGTZE-RIVER ; PLATEAU ; GLACIER ; CHINA
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41471064] ; National Natural Science Foundation of China[41171062]
Funding OrganizationNational Natural Science Foundation of China
WOS Research AreaPhysical Geography
WOS SubjectGeography, Physical
WOS IDWOS:000404514400007
PublisherSCIENCE PRESS
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/63346
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhang, Xueqin
Affiliation1.Chinese Acad Sci, Key Lab Land Surface Pattern & Simulat, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Trop Agr Sci, Rubber Res Inst, Danzhou 571737, Hainan, Peoples R China
Recommended Citation
GB/T 7714
Zhe, Meng,Zhang, Xueqin,Wang, Buwei,et al. Hydrochemical regime and its mechanism in Yamzhog Yumco Basin, South Tibet[J]. JOURNAL OF GEOGRAPHICAL SCIENCES,2017,27(9):1111-1122.
APA Zhe, Meng,Zhang, Xueqin,Wang, Buwei,Sun, Rui,&Zheng, Du.(2017).Hydrochemical regime and its mechanism in Yamzhog Yumco Basin, South Tibet.JOURNAL OF GEOGRAPHICAL SCIENCES,27(9),1111-1122.
MLA Zhe, Meng,et al."Hydrochemical regime and its mechanism in Yamzhog Yumco Basin, South Tibet".JOURNAL OF GEOGRAPHICAL SCIENCES 27.9(2017):1111-1122.
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