日本地下水学会会誌
Online ISSN : 2186-5515
Print ISSN : 0029-0602
ISSN-L : 0029-0602
小牧東部丘陵地における地下水位の変動特性に関する一考察
高木 不折原田 守博内田 光一
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ジャーナル フリー

1985 年 27 巻 4 号 p. 171-182

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Groundwater behavior is generally complex because of various influences of many factors which are not only natural phenomena but also artificial impacts. It is necessary for flow estimation of regional groundwater to clarify the relation between various scales of groundwater behavior and its governing factors.
In the present paper, characteristics of unconfined groundwater behavior recharged by rainfall infiltration are discussed. Field observation was carried out in the KOMAKI hill region. In order to investigate the effect of unsaturated zone to variation of groundwater level, physical characteristics of soil water were examined for soil samples.
Through this paper, it has been clarified that variation of the groundwater level in the hill region are consist of the behaviors with two different scales in time and space. The behavior during and just after rainfall is mainly governed by inhomogeneity of the geological characteristics in the region, and the behavior during long-term recession state by hydrogeological structure of aquifer. The phenomenological discussions on mechanism of vertical recharge to unconfined aquifer are also presented.

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