RELATIONSHIP BETWEEN THE ORIGIN OF GROUNDWATER AND THE GEOLOGIC STRUCTURE OF IRUMAGAWA ALLUVIAL FAN, SAITAMA PLEFECTURE
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概要
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The writer investigated the origin of groundwater using its chemical contents of the water from 232 wells and, based on its result, he presumed the geologic structure of Irumagawa alluvial fan, Saitama Prefectuer. By the measurement of the wells, he made Fig. 5-7, from which he considered the hydro-logical conditions of groundwater. He analysed S04, '' Cl, ' Fe of groundwater. The results are shown in Fig. 8-11. The influence of human contamination was considered from the value of _??_. The origins of groundwater in this region were classified into three, that is, human contamination water, non-conta-minated water and mixed water. Lastly, discussing the relation between the origins of groundwater and the geologic structure of this region, he classified the unexposed deposits of the fan into gravels, sands and clay deposits as the result of examining of the value of _??_.
- The Association of Japanese Geographersの論文
The Association of Japanese Geographers | 論文
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