使用超低本底正比计数法利用氩-39对地下水进行年龄测定的方法。
Methods for using argon-39 to age-date groundwater using ultra-low-background proportional counting.
作者信息
Mace Emily, Aalseth Craig, Brandenberger Jill, Day Anthony, Hoppe Eric, Humble Paul, Keillor Martin, Kulongoski Justin, Overman Cory, Panisko Mark, Seifert Allen, White Signe, Wilcox Freeburg Eric, Williams Richard
机构信息
Pacific Northwest National Laboratory, P.O. Box 999, MSIN J4-65, Richland, WA 99352, USA.
Pacific Northwest National Laboratory, P.O. Box 999, MSIN J4-65, Richland, WA 99352, USA.
出版信息
Appl Radiat Isot. 2017 Aug;126:9-12. doi: 10.1016/j.apradiso.2016.12.037. Epub 2016 Dec 21.
Argon-39 can be used as a tracer for age-dating glaciers, oceans, and more recently, groundwater. With a half-life of 269 years, Ar fills an intermediate age range gap (50-1,000 years) not currently covered by other common groundwater tracers. Therefore, adding this tracer to the data suite for groundwater studies provides an important tool for improving our understanding of groundwater systems. We present the methods employed for arriving at an age-date for a given sample of argon degassed from groundwater.
氩-39可作为冰川、海洋以及最近用于地下水年龄测定的示踪剂。氩的半衰期为269年，填补了目前其他常见地下水示踪剂尚未覆盖的中间年龄范围空白（50 - 1000年）。因此，将这种示踪剂添加到地下水研究的数据集中，为增进我们对地下水系统的理解提供了一个重要工具。我们介绍了用于确定从地下水中脱气的给定氩样品年龄测定的方法。
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