Abstract
Lake Katanuma (pH 2.0-2.1) was covered with a layer of snow and ice on 27 February, 1975. The layer consisted of a surface snow layer, five ice sheets and four water layers between them. Field observations and study of the chemical composition of the snow, ice and lake water revealed that the main component of the ice sheets was deposited snow, and in the case of the water layers, acid lake water had penetrated the snow layer. The snow and ice contained a considerable amount of ammonia (1.06-3.56 μg-at N/1), which, when they melt, is supplied into the lake water.
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Schedule a callMore From: Japanese Journal of Limnology (Rikusuigaku Zasshi)
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