Ravine
A ravine is a landform narrower than a canyon and is often the product of streamcutting erosion.[1] Ravines are typically classified as larger in scale than gullies, although smaller than valleys.[1]
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Overview [edit]
A ravine is generally a fluvial slope landform of relatively steep (cross-sectional) sides, 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.[2] The difference between a canyon, gorge and ravine could be understood as follows:
a canyon is a narrow chasm with steep cliff walls formed by running water;
a gorge is a deep narrow passage with steep rocky sides formed by running water;
a ravine is a deep narrow steep-sided valley formed by running water [3]
Other terms [edit]
Other terms for ravine include
- cleuch
- dell
- gill or ghyll
- glen
- kloof (South Africa)
- chine (Isle of Wight)
See also [edit]
Notes [edit]
- ^ a b 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.
- ^ Infos at Thesaurus website
External links [edit]
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