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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] 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 characterised by intermittent streams, since their geographic scale may not be sufficiently large to support a perennial watercourse.[2] A ravine is a deep valley which is formed due to linear/dendritic fluvial erosion of loose unconsolidated and bare soils byes.[3]
Other terms for ravine include
- cleuch
- dell
- ghost (Nevis)
- gill or ghyll
- glen
- gorge
- Gravina in Puglia
- kloof (South Africa)
- chine (Isle of Wight)