Gulch

{{short description|Deep V-shaped valley formed by erosion}} {{Other uses}} [[File:E8236-Tamchy-dry-gulch.jpg|thumb|upright=1.2|A dry gulch in the desert near Tamchy, Kyrgyzstan. The creek that may have run along the bottom of the gulch in the past has been diverted to a parallel aryk.]] 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.<ref name="dict-geological-terms">{{cite web |title=Dictionary of geological terms |url=https://archive.org/details/dictionaryofgeol00amer/page/198/mode/2up |publisher=American Geological Institute |page=199 |date=1976 |quote=a small revine; a small swallow cayon with smoothly included slopes and steep sides. Local in Far West}}</ref> Sudden intense rainfall upstream may produce flash floods in the bed of the gulch. [[Image:Witches Gulch with people for perspective - narrower.jpg|thumb|Witches Gulch found in the Dells of the Wisconsin River]]

In eastern Canada, gulch refers to:<ref>{{cite web |url=http://geonames.nrcan.gc.ca/education/gen_e.php#gulch |title=Gulch |work=Interesting and curious generic terms used in Canada |publisher=Natural Resources Canada |access-date=8 April 2013 |archive-url=https://web.archive.org/web/20110926235804/http://geonames.nrcan.gc.ca/education/gen_e.php#gulch |archive-date=26 September 2011 |url-status=dead }}</ref> *a narrow deep cove (Newfoundland) *a narrow saltwater channel (Nova Scotia)

==See also== * {{annotated link|Arroyo (watercourse)|Arroyo}} * {{annotated link|Canyon}}, includes gorge. * {{annotated link|Chine}} * {{annotated link|Dale (landform)}} * {{annotated link|Coulee}} * {{annotated link|Gully}} * {{annotated link|Ravine}} * {{annotated link|Valley}} * {{annotated link|Wadi}} * {{annotated link|Draw (terrain)}}

==References== {{reflist}}

Category:Erosion landforms Category:Fluvial landforms Category:Canyons and gorges Category:Valleys