Sf6 groundwater dating

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Department of the Interior U. Water from pumping stations located on chalk below Palaeogene cover can be distinguished hydrochemically, and a likely interpretation is that these supplies are receiving a small proportion of recharge via induced via induced leakage. Dating method for young groundwater using environmental tracers. Mainly for SF 6, the phenomenon of 'excess air' requires consideration. For the analytical model, effects of porosity, tortuosity, gas-liquid partitioning, and sorption were tested as part of a lumped diffusion coefficient parameter. All rights reserved. The analytical procedure determines concentrations of the four tracers in air and water samples.

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The magnitude and source of the excess air is not directly relevant to these studies and so is often ignored.

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Sulfur Hexafluoride-based Age Dating of Groundwater in the Shimekake Landslide in Yamagata, Japan

Oster, H. On the basis of SF6 concentrations of groundwater at the same points collected by different sampling methods, this paper focuses on the influence of sampling methods on groundwater dating. The potential of soils as a sink of chlorofluorocarbons and other man-made chlorocarbons. Water Resour. The reason was presumed that the heavy rain with a dilution was fewer in than We use cookies to make interactions with our website easy and meaningful, to better understand the use of our services, and to tailor advertising.

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