Summary
Contents
Subject index
This unique addition to reference literature provides an introduction to the major concepts and contemporary issues that are essential for students of environmental science and environmental studies to know. With over 200 entries authored by world-class names like Anthony Brazel, John Day and Edward Keller, this text is divided into six sections: Environmental Science, Environments, Paradigms & Concepts, Processes & Dynamics, Scales & Techniques, and Environmental Issues.
Karst
Karst
The term ‘karst’ refers to karst topography, which is peculiar to and dependent upon chemical weathering of rocks (generally limestone and marble) and diversion of surface waters to subterranean routes. The best examples of karst topography are developed upon soluble rocks such as limestone that are dense, thin bedded and well jointed. That is, there are many surfaces along which water may move and dissolve the limestone, producing sinkholes at the surface and subterranean features such as caverns. Sedimentary rocks cover much of the surface of Earth and limestone is present in about a quarter of the areas where sedimentary rocks are exposed. As a result, karst topography is very common and karst areas are found in many areas of Earth including Europe, North America, ...
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