Inferring ground water flow in fractured rock from dissolved radon

P. G. Cook; A. J. Love; J. C. Dighton

doi:10.1111/j.1745-6584.1999.tb01148.x

Inferring ground water flow in fractured rock from dissolved radon

P. G. Cook, A. J. Love, J. C. Dighton

Research output: Contribution to journal › Article › peer-review

40 Citations (Scopus)

Abstract

Ground water radon concentrations have been measured in nested piezometers and an open borehole in fractured, metasedimentary aquifers in the Clare Valley, South Australia. The vertical radon concentration profile within the undisturbed, open borehole appears to indicate the locations of hydraulically active fractures. If radon concentrations within the aquifer are uniform, then the highest radon concentration within the borehole will indicate the location of the highest flow rate into the bore. In relatively short screened piezometers, radon concentrations have been measured both before and after purging. The ratio of radon concentration before to after purging normalizes for variations in aquifer mineralogy, and can be used to quantify the ground water flow rate.

Original language	English
Pages (from-to)	606-610
Number of pages	5
Journal	Ground water
Volume	37
Issue number	4
DOIs	https://doi.org/10.1111/j.1745-6584.1999.tb01148.x
Publication status	Published - Jul 1999
Externally published	Yes

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abstract = "Ground water radon concentrations have been measured in nested piezometers and an open borehole in fractured, metasedimentary aquifers in the Clare Valley, South Australia. The vertical radon concentration profile within the undisturbed, open borehole appears to indicate the locations of hydraulically active fractures. If radon concentrations within the aquifer are uniform, then the highest radon concentration within the borehole will indicate the location of the highest flow rate into the bore. In relatively short screened piezometers, radon concentrations have been measured both before and after purging. The ratio of radon concentration before to after purging normalizes for variations in aquifer mineralogy, and can be used to quantify the ground water flow rate.",

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AU - Love, A. J.

AU - Dighton, J. C.

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N2 - Ground water radon concentrations have been measured in nested piezometers and an open borehole in fractured, metasedimentary aquifers in the Clare Valley, South Australia. The vertical radon concentration profile within the undisturbed, open borehole appears to indicate the locations of hydraulically active fractures. If radon concentrations within the aquifer are uniform, then the highest radon concentration within the borehole will indicate the location of the highest flow rate into the bore. In relatively short screened piezometers, radon concentrations have been measured both before and after purging. The ratio of radon concentration before to after purging normalizes for variations in aquifer mineralogy, and can be used to quantify the ground water flow rate.

AB - Ground water radon concentrations have been measured in nested piezometers and an open borehole in fractured, metasedimentary aquifers in the Clare Valley, South Australia. The vertical radon concentration profile within the undisturbed, open borehole appears to indicate the locations of hydraulically active fractures. If radon concentrations within the aquifer are uniform, then the highest radon concentration within the borehole will indicate the location of the highest flow rate into the bore. In relatively short screened piezometers, radon concentrations have been measured both before and after purging. The ratio of radon concentration before to after purging normalizes for variations in aquifer mineralogy, and can be used to quantify the ground water flow rate.

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JO - Ground water

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Inferring ground water flow in fractured rock from dissolved radon

Abstract

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