干旱区生态环境知识资源中心(Arid): Radiokrypton unveils dual moisture sources of a deep desert aquifer

Arid

DOI	10.1073/pnas.1904260116
	Radiokrypton unveils dual moisture sources of a deep desert aquifer
	Yokochi, Reika 1; Ram, Roi 2; Zappala, Jake C.3,4; Jiang, Wei 4,5; Adar, Eilon 2; Bernier, Ryan 1; Burg, Avihu 6; Dayan, Uri 7; Lu, Zheng-Tian 3,4,5; Mueller, Peter 4; Purtschert, Roland 8; Yechieli, Yoseph 2,6
通讯作者	Yokochi, Reika ; Adar, Eilon ; Lu, Zheng-Tian
来源期刊	PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
ISSN	0027-8424
出版年	2019
卷号	116 期号:33 页码:16222-16227
英文摘要	In arid regions, groundwater is a vital resource that can also provide a long-term record of the regional water cycle. However, the use of groundwater as a paleoclimate proxy has been limited by the complex hydrology and the lack of appropriate chronometers to determine the recharge time without complication. Applying Kr-81, a long-lived radioisotope tracer, we investigate the paleohydroclimate and subsurface water storage properties of the Nubian Sandstone Aquifer in the Negev Desert, Israel. Based on the spatial distributions of stable isotopes and the abundance of Kr-81, we resolve subsurface mixing and identify two distinct moisture sources of the recharge: one recent (<38 ky ago) from the Mediterranean and the other 361 +/- 30 ky ago from the tropical Atlantic, both of which occurred under conditions of low orbital eccentricity comparable to that of the present. The recent recharge provided by the moisture from Mediterranean cyclones can be attributed to the southward shift of the storm track during the Last Glacial Maximum, and the earlier recharge can be attributed to moisture from the Atlantic delivered as tropical plumes under a climate colder than the present. Furthermore, the residence time of the latter reveals that tectonically active terrain can store groundwater for an unexpectedly long period, likely due to strongly attenuated groundwater flow across the fault zones. With this tracer, groundwater can now serve as a direct record of paleoprecipitation over land and of subsurface water storage from the mid-Pleistocene and onward.
英文关键词	groundwater dating radiokrypton isotopes moisture sources paleohydroclimate subsurface water storage
类型	Article
语种	英语
国家	USA ; Israel ; Peoples R China ; Switzerland
开放获取类型	Bronze, Green Published, Green Submitted
收录类别	SCI-E
WOS记录号	WOS:000481404300018
WOS关键词	NUBIAN SANDSTONE AQUIFER ; MIDDLE-EAST ; TROPICAL PLUMES ; NEGEV DESERT ; HYDROLOGICAL CYCLE ; DECADAL TRENDS ; NORTH-AFRICA ; GROUNDWATER ; RAINFALL ; PRECIPITATION
WOS类目	Multidisciplinary Sciences
WOS研究方向	Science & Technology - Other Topics
来源机构	Ben-Gurion University of the Negev ; Hebrew University of Jerusalem
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/218182
作者单位	1.Univ Chicago, Dept Geophys Sci, 5734 S Ellis Ave, Chicago, IL 60637 USA; 2.Ben Gurion Univ Negev, Blaustein Inst Desert Res, Zuckerberg Inst Water Res, IL-8499000 Sede Boqer, Israel; 3.Univ Chicago, Dept Phys, Chicago, IL 60637 USA; 4.Argonne Natl Lab, Phys Div, 9700 S Cass Ave, Argonne, IL 60439 USA; 5.Univ Sci & Technol China, CAS Ctr Excellence Quantum Informat & Quantum Phy, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China; 6.Geol Survey Israel, Water & Nat Resources Div, IL-9692100 Jerusalem, Israel; 7.Hebrew Univ Jerusalem, Dept Geog, IL-919051 Jerusalem, Israel; 8.Univ Bern, Phys Inst, Climate & Environm Phys, CH-3012 Bern, Switzerland
推荐引用方式 GB/T 7714	Yokochi, Reika,Ram, Roi,Zappala, Jake C.,et al. Radiokrypton unveils dual moisture sources of a deep desert aquifer[J]. Ben-Gurion University of the Negev, Hebrew University of Jerusalem,2019,116(33):16222-16227.
APA	Yokochi, Reika.,Ram, Roi.,Zappala, Jake C..,Jiang, Wei.,Adar, Eilon.,...&Yechieli, Yoseph.(2019).Radiokrypton unveils dual moisture sources of a deep desert aquifer.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,116(33),16222-16227.
MLA	Yokochi, Reika,et al."Radiokrypton unveils dual moisture sources of a deep desert aquifer".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 116.33(2019):16222-16227.