Effects of a Volcanic-Fluid Cycle System on Water Chemistry of a Deep Caldera Lake: Lake Tazawa, Akita Prefecture, Japan

Lake Tazawa, the deepest lake (423.4 m depth at maximum) in Japan underwent drastically changed water quality in 1940, because volcanic water from two active volcanos was then drawn into the lake for power generation and irrigation. Thereby, the pH of lake water decreased from 6.7 to 4.2, which exte...

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Veröffentlicht in:Water (Basel) 2022-10, Vol.14 (19), p.3186
Hauptverfasser: Chikita, Kazuhisa A., Amita, Kazuhiro, Oyagi, Hideo, Okada, Jun
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Sprache:eng
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