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How much information can soil solute profiles reveal about groundwater recharge?

文献类型：期刊论文

作者Huang, Tianming1,2; Yang, Shuo2,3; Liu, Jilai2; Li, Zhi4
刊名GEOSCIENCES JOURNAL
出版日期2016-08-01
卷号20期号:4页码:495-502
关键词groundwater recharge unsaturated zone Chinese Loess Plateau chloride tritium
DOI10.1007/s12303-015-0069-3
文献子类Article
英文摘要The unsaturated zone is an important link between groundwater and the land surface, and can provide storage capacity for both water and contaminants. Consequently, the solute profile of the unsaturated zone can provide much information on groundwater recharge using tracers. This study takes a rain-fed agricultural area (Luochuan loess plain) in the Chinese Loess Plateau as an example to demonstrate how much recharge information in the thick unsaturated zone can be obtained from the solute profile. The results show that the recharge rate is 36-67 mm yr(-1) and infiltration rate is 0.19 to 0.30 m yr(-1), as obtained using three methods, i.e., evaluating the Cl-peak, chloride mass balance, and nitrate levels. The amount of time needed for annual precipitation to reach the water table is 133-316 years, and the groundwater is tritium free. The nitrate introduced by human activities is mainly distributed in the upper unsaturated zone (above 6 m), and the groundwater nitrate content (3.7 to 9.6 mg l(-1) as NO3) remains at baseline level. The storage capacity of the unsaturated zone is found to delay the entrance of pollutants into the aquifer.
WOS关键词LOESS PLATEAU ; NORTHERN CHINA ; DESERT SOILS ; ARID REGIONS ; WATER ; CHLORIDE ; TRITIUM ; MOVEMENT ; TRACERS ; SAHEL
WOS研究方向Geology
语种英语
WOS记录号WOS:000380724000006
资助机构Open Research Fund of the State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau Grant(K318009902-1409) ; Open Research Fund of the State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau Grant(K318009902-1409) ; Open Research Fund of the State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau Grant(K318009902-1409) ; Open Research Fund of the State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau Grant(K318009902-1409) ; Chinese Academy of Sciences(XDB10030603) ; Chinese Academy of Sciences(XDB10030603) ; Chinese Academy of Sciences(XDB10030603) ; Chinese Academy of Sciences(XDB10030603) ; National Natural Science Foundation of China(41202183 ; National Natural Science Foundation of China(41202183 ; National Natural Science Foundation of China(41202183 ; National Natural Science Foundation of China(41202183 ; China Postdoctoral Science Foundation(2012T50136) ; China Postdoctoral Science Foundation(2012T50136) ; China Postdoctoral Science Foundation(2012T50136) ; China Postdoctoral Science Foundation(2012T50136) ; 51179161) ; 51179161) ; 51179161) ; 51179161) ; Open Research Fund of the State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau Grant(K318009902-1409) ; Open Research Fund of the State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau Grant(K318009902-1409) ; Open Research Fund of the State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau Grant(K318009902-1409) ; Open Research Fund of the State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau Grant(K318009902-1409) ; Chinese Academy of Sciences(XDB10030603) ; Chinese Academy of Sciences(XDB10030603) ; Chinese Academy of Sciences(XDB10030603) ; Chinese Academy of Sciences(XDB10030603) ; National Natural Science Foundation of China(41202183 ; National Natural Science Foundation of China(41202183 ; National Natural Science Foundation of China(41202183 ; National Natural Science Foundation of China(41202183 ; China Postdoctoral Science Foundation(2012T50136) ; China Postdoctoral Science Foundation(2012T50136) ; China Postdoctoral Science Foundation(2012T50136) ; China Postdoctoral Science Foundation(2012T50136) ; 51179161) ; 51179161) ; 51179161) ; 51179161)
源URL[http://ir.iggcas.ac.cn/handle/132A11/53316]  
专题地质与地球物理研究所_中国科学院页岩气与地质工程重点实验室
作者单位1.Chinese Acad Sci, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Northwest A&F Univ, Coll Nat Resources & Environm, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China
推荐引用方式
GB/T 7714		 Huang, Tianming,Yang, Shuo,Liu, Jilai,et al. How much information can soil solute profiles reveal about groundwater recharge?[J]. GEOSCIENCES JOURNAL,2016,20(4):495-502.
APA Huang, Tianming,Yang, Shuo,Liu, Jilai,&Li, Zhi.(2016).How much information can soil solute profiles reveal about groundwater recharge?.GEOSCIENCES JOURNAL,20(4),495-502.
MLA Huang, Tianming,et al."How much information can soil solute profiles reveal about groundwater recharge?".GEOSCIENCES JOURNAL 20.4(2016):495-502.

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来源：地质与地球物理研究所

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