Water leakage from Lake Chuzenji, Nikko.
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概要
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Springs adjacent to the east coast of Lake Chuzenji were classified into the following two types from the examinations of water quality and water temperature : (1) Lake type in which the water quality has close resemblance to that of the lake ; (2) non lake type in which the water quality is quite different from the lake. The lake type spring has a lower temperature in the summer and a smaller annual temperature range than those of the non lake type. The source of the lake type spring is attributed to the lake. The water leaked from the lake discharges at Kegon Springs, Elevator Springs, Shirakumo Springs and Houdou Springs. Agon Springs and Han'nya Springs have water source other than the lake. The lake water is seemed to leak at a depth of around 30 m or more below the lake surface, that is, at the lower metaliumiom in summer. The calculation of the water balance of the catchment area induced an estimated discharge rate of leakage of 5.13 m<SUP>3</SUP>·sec<SUP>-1</SUP>, against the measured spring discharge of 5.07 m<SUP>3</SUP>·sec<SUP>-1</SUP>. The water leakage reached 69.7 per cent of the total discharge from the lake.
- 日本陸水学会の論文
日本陸水学会 | 論文
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