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.  

Erosion Rates

Erosion rates

Erosion takes several forms and processes, but generally modifies landforms. The river engineer or fluvial geomorphologist may be interested in rates of bank erosion and change of position of a river channel. People living along the coast are concerned with rates of coastal erosion. That is, how fast are the beach or sea cliff eroding and what is the importance to a particular community or location. Erosion rates from a geological perspective refer to the rates of denudation or general lowering of the landscape over time. Finally, in respect of agriculture, we are most concerned with rates of soil erosion. Rates may be reported as kg per hectare per year (soil erosion), mm per km2 per 1000 yrs. (denudation), or mm to ...

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