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题名: Isotopic and geochemical evidence of recharge sources and water quality in the Quaternary aquifer beneath Jinchang city, NW China
作者: Ma, JZ(马金珠); Pan, F(潘峰); Chen, LH; Edmunds, WM; Ding, ZY; He, JH(何建华); Zhou, KP; Huang, TM
收录类别: SCIE ; EI
出版日期: 2010-07
刊名: APPLIED GEOCHEMISTRY
卷号: 25, 期号:7, 页码:996-1007
出版者: ELSEVIER
出版地: OXFORD
英文摘要: Multiple isotopic and hydrogeochemical tracers were utilized to understand the recharge sources and geochemical evolution of groundwater in the Quaternary aquifer beneath Jinchang city and the adjacent Gobi desert area. The groundwater shows markedly depleted stable isotopic composition compared to modern rainfall. The signature of groundwaters from Jinchang and the northern Gobi desert area differ clearly from that of the alluvial fan in the south Yongchang basin and modern rainfall, and has lower or non-detectable (3)H activity, implying that the aquifer is likely maintained by palaeowater. This groundwater in the Gobi desert has a (14)C age older than 12 ka, indicating that the groundwater resources are non-renewable. The build-up of dissolved solids through evaporation is a major control on groundwater composition, and the dominant anion species change systematically from HCO(3)(-), SO(4)(2-) to Cl(-), but cations from weathering of albite, calcite, dolomite and gypsum also make a significant contribution. The scientific results have important implications for groundwater management in Jinchang city and as well as in the Shiyang River basin under China's West Development Strategy. It is recommended that the water allocation program of diverting water from the Dongda river to the Minqin basin be reconsidered. (C) 2010 Elsevier Ltd. All rights reserved.
作者部门: [Ma, Jinzhu ; Pan, Feng ; Chen, Lihua ; Ding, Zhenyu ; He, Jianhua ; Zhou, Kunpeng ; Huang, Tianming] Lanzhou Univ, Minist Educ, Key Lab Western Chinas Environm Syst, Lanzhou 730000, Peoples R China ; [Chen, Lihua] NW Univ Nationalities, Coll Chem Engn, Lanzhou 730000, Peoples R China ; [Edmunds, W. Mike] Univ Oxford, Ctr Environm, Oxford Ctr Water Res, Oxford OX1 3QY, England ; [Huang, Tianming] Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
通讯作者: Ma, JZ (reprint author), Lanzhou Univ, Minist Educ, Key Lab Western Chinas Environm Syst, 222 S Tianshui Rd, Lanzhou 730000, Peoples R China.
学科分类: Geochemistry & Geophysics
文章类型: Article
所属项目编号: National Science Foundation of China [40872161, 40721061] ; Royal Society [2007/R3] ; 111 project [B06026]
所属项目名称: 国家自然科学基金项目 ; 高等学校学科创新引智计划(111计划)
项目资助者: NSFC ; MOE ; SAFEA
语种: 英语
DOI: 10.1016/j.apgeochem.2010.04.006
ISSN号: 0883-2927
WOS记录号: WOS:000279093900007
EI记录号: 20103013096916
第一机构:
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/119987
Appears in Collections:资源环境学院_期刊论文

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Recommended Citation:
Ma, JZ,Pan, F,Chen, LH,et al. Isotopic and geochemical evidence of recharge sources and water quality in the Quaternary aquifer beneath Jinchang city, NW China[J]. APPLIED GEOCHEMISTRY,2010,25(7):996-1007.
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