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.  



Seismology is defined by the AGI Glossary in 1987 as ‘The study of earthquakes and of the structure of the Earth, by both natural and artificially generated seismic waves’; a fault as ‘a fracture in the Earth's crust along which displacement of the sides has occurred relative to each other, parallel to the walls of the fracture’; and an earthquake as ‘the shaking that occurs by the abrupt release of stored elastic strain energy along a fault’.

If a rock is tossed into a pond, then waves ripple out from the point where the rock breaks the surface of the water (Fig. 4). Seismic waves likewise ripple through the Earth when it is broken abruptly along a fault during an earthquake. The earthquake waves emanate outward ...

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