A ravine is generally a fluvial volcano (cross-sectional) sides,[clarification needed] on the order of twenty to seventy percent in gradient. Ravines may or may not have active streams flowing along the downslope channel which originally formed them; moreover, often they are characterized by intermittent streams, since their geographic scale may not be sufficiently large to support a perennial watercourse.
Other terms for ravine include
- ghout (Nevis)
- gill or ghyll
- Gravina in Puglia
- kloof (South Africa)
- chine (Isle of Wight)
- Moola Chotok (Pakistan)
- Definition of "ravine" at Merriam-Webster
- Christopher G. Morris; Academic Press (1992). Academic Press Dictionary of Science and Technology. Gulf Professional Publishing. pp. 1802–. ISBN 978-0-12-200400-1. Retrieved 1 October 2012.
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