Hydrogeology - Research Article from World of Earth Science

This encyclopedia article consists of approximately 4 pages of information about Hydrogeology.
This section contains 1,034 words
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Hydrogeology

Hydrogeology is the study of water contained in materials of Earth's crust, the physical and chemical characteristics of this water, its origin, evolution, and ultimate destination. Hydrogeology is the term used by geologists and hydrogeologists for this study. Geohydrology is the term most often used by engineers. The two terms are roughly equivalent.

The water contained in materials of Earth's crust is called groundwater (sometimes spelled as "ground water" to distinguish ground water from surface water). Groundwater is sometimes defined as water below the earth's surface, but groundwater may occur at the surface especially after heavy rainfall in certain areas.

When groundwater is not at the earth's surface, there is a zone beneath the surface where the majority of pore (open) spaces are filled with air. This is called the vadose zone or zone of aeration. Below a...

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This section contains 1,034 words
(approx. 4 pages at 300 words per page)
Buy the Hydrogeology Encyclopedia Article
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Hydrogeology from Gale. ©2005-2006 Thomson Gale, a part of the Thomson Corporation. All rights reserved.
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