天然放射能の地表検出による地下水探査について (地下水(特集))

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概要

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• No effective method of surveying the fissure ground water in the base rock has hitherto been found. The writer who has been proceeding the study of surveying the fissure ground water by measuring the natural radioactivity (gamma-ray) since 1950 has established the prospecting method. This method may be applicable not only to the development and utilization of natural ground water, but also to the surveying of artificially recharged ground water.<BR>By the performance of the ground water prospecting by this method, the writer has successfully detected some large fissure water zones in thirty water-wanted areas in our country. In these areas where the strong radioactivities were detected deep wells were drilled, from which several hundreds to four thousands cubic meters per day of water obtained. The radioactive dating of these ground waters was done, using tritium.<BR>As explained above, the writer's method of prospecting ground water by determining natural radioactivity has been proved to be very effective for the prospecting of fissure ground water.

著者

• 落合 敏郎

  農業土木試験場 日本地下水学会会長

関連論文

• 天然放射能の地表検出による地下水探査について (地下水(特集))

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