Geiben-Herzberg Relation - Geiben-Herzberg Relation

…Water that is underground and has a pressure greater than atmospheric pressure and that can naturally seep out into wells or tunnels, or to the surface as springs, is called groundwater. In contrast to surface water such as rivers and lakes, groundwater is distributed underground. However, there is a distinction between virgin water, which usually comes from magma deep underground, adsorbed water that covers the surface of soil particles, capillary water that exists between particles in an unsaturated state, and gravitational water that flows down to the depths due to gravity. Soil water does not have a pressure greater than atmospheric pressure. …

*Some of the terminology explanations that refer to the "Gaiben-Herzberg relationship" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…地中にあって大気圧以上の圧力をもち，井戸やトンネルの中へ，あるいは泉となって地表へ自然にしみ出すことのできる水を地下水という。陸水のうち河川や湖沼などの地表水に対し，地下に分布する水をさすが，普通は地下深所のマグマに由来する処女水と，土粒子の表面をおおっている吸着水や，粒子の間に不飽和の状態で存在する毛管水，さらに重力に従って深部に下って行く重力水などの土壌水は区別する。土壌水は大気圧以上の圧力をもっていない。…

※「ガイベン=ヘルツベルクの関係」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報