有馬温泉地下における泉温分布に関する考察
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概要
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The underground temperature gradients with reference to the ten wells bored at Arima spar district near Kobe were studied.<BR>Each well bored as deep as 160 meters at shallowest and 300 meters at deepest from the ground surface respectively. The temperatures were found to be 73°C. at lowest and 133°C, at highest.<BR>Average temperature gradient was found, from calculation, to be 11.7°C. per 30 m. depth.<BR>An isothermal map was made at the depth of 120 m., according to the measuring results of the underground temperature at each point.<BR>In consequence, it was found that in the area surrounded by the 50°C. isothermal contour there existed places where the temperatures were higher than 50°C. so that the author attained the conclusion that temperatures above 50°C. will be expected in the area within the 50°C. thermal contour at the depth of 120 m. This conclusion will probably be applicable to the whole Arima spar district as far as the isothermal map concerns.
- 社団法人 東京地学協会の論文