Radon migration through soil and bedrock

Lennart Malmqvist, Mats Isaksson, Krister Kristiansson
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引用次数: 16

Abstract

To investigate radon migration in the ground a series of measurements have been made along a profile of 160 m length. The radon concentration was measured in the soil at different depths with the inverted cup technique. The emission of radon and the gamma emission were measured on soil samples from the profile and the exhalation of radon from two drill cores taken right below the profile was investigated. The radon profile agreed better with the drill core emission than with the measurements on the soil samples supporting the hypothesis that streaming transport from the bedrock exists and is important.

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氡在土壤和基岩中的迁移
为了研究氡在地下的迁移,沿着160米长的剖面进行了一系列测量。用倒杯法测定了不同深度土壤中的氡浓度。测量了剖面土壤样品的氡辐射和伽马辐射,并研究了剖面正下方两个钻孔岩心的氡呼出。氡剖面与钻孔岩心发射比土壤样品的测量结果更吻合,这支持了基岩存在流输送的假设,而且流输送很重要。
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