Health Boards


Encyclopedia


My Profile

Health Boad


Health Jobs


Shopping


Health Tools

riffle

Shallow section of a stream or river with rapid current and a surface broken by gravel, rubble or boulders. (Compare glide; rapids; run.) A reach of stream in which the water flow is rapid and usually more shallow than the reaches above and below. Natural streams often consist of a succession of pools and riffles. (Sometimes incorrectly referred to as a "ripple.")


Selected riffle links:

© 1997-2006 Healthboard.com.   Healthboard.com is a purely informational website, and should not be used as a substitute for professional legal, medical or technical advice.