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DOI	10.1007/s10040-021-02428-7
	Using groundwater noble gas measurements to confirm paleorecharge hypotheses at Pahute Mesa, Nevada National Security Site, Nevada, USA
	Visser, Ate; Kwicklis, Edward; Farnham, Irene; Tompson, Andrew F. B.; Hershey, Ronald L.
通讯作者	Visser, A (corresponding author)，Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
来源期刊	HYDROGEOLOGY JOURNAL
ISSN	1431-2174
EISSN	1435-0157
出版年	2022
卷号	30 期号:1 页码:203-220
英文摘要	Pahute Mesa (Nevada, USA) was the site of 85 underground nuclear tests between 1965 and 1992 whose residual radiochemical inventory poses a contaminant threat to local groundwater resources. To assess the fate and transport of these radionuclides in groundwater, several geochemical studies, including this one, have been conducted to understand long-term groundwater flow patterns at, and downgradient of, Pahute Mesa. Groundwater samples from the Pahute Mesa area at the Nevada National Security Site were analyzed for noble gases (He-3/He-4 isotopic ratio and He, Ne, Kr, Ar and Xe concentrations) to infer groundwater recharge temperatures and provide additional evidence in support of groundwater flow patterns and the presence of late-pluvial Pleistocene groundwater. These data confirm recent findings (based on groundwater geochemistry and isotope compositions) that most recharge in the area occurred under temperature conditions much cooler than are found today, except near major drainages where ephemeral runoff continues to recharge shallow groundwater. These noble gas data indicate that noble gas recharge temperatures and terrigenic He components have been reset where groundwater has flowed upward over barriers formed by caldera margins, or near the regional discharge area (Oasis Valley) where shallow groundwater has interacted with shallow soil gas. This evidence from groundwater noble gas measurements, in combination with other isotopic and geochemical studies, supports the current understanding of the unusual hydrogeology and recharge history of Pahute Mesa.
英文关键词	Geochemistry Groundwater isotopes Noble gases Nuclear test site USA
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000739250100002
WOS关键词	RECHARGE ; PALEOTEMPERATURE ; PRECIPITATION ; VALLEY ; BASIN ; PARAMETERS ; SIGNATURES ; MOUNTAINS ; WATER
WOS类目	Geosciences, Multidisciplinary ; Water Resources
WOS研究方向	Geology ; Water Resources
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/376606
作者单位	[Visser, Ate; Tompson, Andrew F. B.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA; [Kwicklis, Edward] Los Alamos Natl Lab, EES 16,MS T003, Los Alamos, NM 87545 USA; [Farnham, Irene] Navarro, Las Vegas, NV 89106 USA; [Hershey, Ronald L.] Desert Res Inst, Reno, NV 89512 USA
推荐引用方式 GB/T 7714	Visser, Ate,Kwicklis, Edward,Farnham, Irene,et al. Using groundwater noble gas measurements to confirm paleorecharge hypotheses at Pahute Mesa, Nevada National Security Site, Nevada, USA[J],2022,30(1):203-220.
APA	Visser, Ate,Kwicklis, Edward,Farnham, Irene,Tompson, Andrew F. B.,&Hershey, Ronald L..(2022).Using groundwater noble gas measurements to confirm paleorecharge hypotheses at Pahute Mesa, Nevada National Security Site, Nevada, USA.HYDROGEOLOGY JOURNAL,30(1),203-220.
MLA	Visser, Ate,et al."Using groundwater noble gas measurements to confirm paleorecharge hypotheses at Pahute Mesa, Nevada National Security Site, Nevada, USA".HYDROGEOLOGY JOURNAL 30.1(2022):203-220.