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In southern Louisiana the word coulée (also spelled coolie) originally meant a gully or ravine usually dry or intermittent but becoming sizable during rainy weather. As stream channels were dredged or canalized, the term was increasingly applied to perennial streams, generally smaller than bayous. The term is also used for small ditches or ...
Example on a topographical map, and how it would look in the real world. Typical draw, Little Carpathians A draw, sometimes known as a re-entrant in orienteering, is a terrain feature formed by two parallel ridges or spurs with low ground in between them.
Side valley – Valley with a tributary to a larger river; Summit – Point on a surface with a higher elevation than all immediately adjacent points; Trim line – Clear line on the side of a valley marking the most recent highest extent of the glacier; Truncated spur – Ridge that descends towards a valley floor or coastline that is cut short
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. [1] Sudden intense rainfall upstream may produce flash floods in the bed of the gulch. Witches Gulch found in the Dells of the Wisconsin River. In eastern Canada, gulch refers to: [2]
Gully erosion may also advance laterally through similar methods, including mass movement, acting on the gully walls (banks), and the development of 'branches' (a type of tributary). Gullies reduce the productivity of farmlands where they incise into the land and produce sediment that may choke downstream waterbodies and reduce water quality ...
A narrow gully with a steep gradient in a mountainous terrain, often enclosed by sheer cliffs and filled with snow or ice even during the summer months. country A region identified as a distinct national entity in political geography. Compare state. county A type of subnational division of a country or federal state used for administrative or ...
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Badlands are characterized by a distinctive badlands topography. [3] [4] This is terrain in which water erosion has cut a very large number of deep drainage channels, separated by short, steep ridges (interfluves). [5] Such a drainage system is said to have a very fine drainage texture, [6] as measured by its drainage density. Drainage density ...