This article discusses the effects of human activities on the interaction of ground water and surface water. Produced by the United States Geological Survey (USGS), this site provides solid textual content along with...

This description is of field measurements of soil erosion and runoff as written by the Food and Agriculture Organization of the United Nations. The site addresses everything from experimental practices to actual...

Mass-Wasting is defined as the down slope movement of rock and regolith near the Earth's surface mainly due to the force of gravity. Mass-wasting is an important part of the erosional process, as it moves material from...

Published by the Northwest Center for Sustainable Resources, this material considers environmental problems associated with biological resources, using ecosystem management as an underlying theme. Evaluates issues...

This site is part of the US Department of Agriculture\'s Natural Resource\'s Conservation Service, providing state-of-the-art soil survey technology, standards, data, and expertise. This site covers soil quality, hydric...