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A dry gulch in the desert near Tamchy
. The creek that may have run along the bottom of the gulch in the past has been diverted to a parallel aryk
In xeric lands, a gulch is a deep V-shaped valley formed by erosion. It may contain a small stream or dry creek bed and is usually larger in size than a gully. Sudden intense rainfall upstream may produce flash floods in the bed of the gulch.
In eastern Canada, gulch refers to:
- Arroyo (creek) – A dry creek or stream bed with flow after rain
- Canyon – Deep ravine between cliffs, includes gorge.
- Dale (landform) – Open valley
- Coulee – Type of valley or drainage zone
- Gully – Landform created by running water eroding sharply into soil
- Ravine – Small valley, which is often the product of streamcutting erosion
- Valley – Low area between hills, often with a river running through it
- Wadi – River valley, especially a dry riverbed that contains water only during times of heavy rain
- Draw (terrain)
- ^ "Gulch". Interesting and curious generic terms used in Canada. Natural Resources Canada. Archived from the original on 26 September 2011. Retrieved 2013.