hillslope-profile position
- hillslope-profile position
Discrete slope segments found along a transect line that runs perpendicular to the contour, beginning at a divide and descending to a lower, bounding stream channel or valley floor; a discrete piece of a two-dimensional cross profile of a hill. Positions are commonly separated from one another by inflection points along the line. In descending elevational order, the hillslope-profile positions of a simple hillslope include summit, shoulder, backslope, footslope, and toeslope. Not all of these segments (positions) are necessarily present along a particular hillslope. Complex hillslopes include multiple sequences or partial sequences, or partial sequences.
SW, HP, & RR
Glossary of landform and geologic terms.
2013.
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footslope — The hillslope profile position that forms the concave surface at the base of a hillslope. It is a transition zone between upslope sites of erosion and transport (shoulder, backslope) and downslope sites of deposition (toeslope). Compare:… … Glossary of landform and geologic terms
shoulder — The hillslope profile position that forms the convex, erosional surface near the top of a hillslope. If present, it comprises the transition zone from summit to backslope. Compare: summit, crest, backslope, footslope, and toeslope. SW &… … Glossary of landform and geologic terms
backslope — The hillslope profile position that forms the steepest and generally linear, middle portion of the slope. In profile, backslopes are commonly bounded by a convex shoulder above and a concave footslope below. They may or may not include… … Glossary of landform and geologic terms
summit — a) The topographically highest position of a hillslope profile with a nearly level (planar or only slightly convex) surface. Compare: shoulder, backslope, footslope, and toeslope, crest. b) A general term for the top, or highest area… … Glossary of landform and geologic terms
river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… … Universalium
soil — soil1 soilless, adj. /soyl/, n. 1. the portion of the earth s surface consisting of disintegrated rock and humus. 2. a particular kind of earth: sandy soil. 3. the ground as producing vegetation or as cultivated for its crops: fertile soil. 4. a… … Universalium
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toeslope — The hillslope position that forms the gently inclined surface at the base of a hillslope. Toeslopes in profile are commonly gentle and linear, and are constructional surfaces forming the lower part of a hill slope continuum that grades to… … Glossary of landform and geologic terms
continental landform — ▪ geology Introduction any conspicuous topographic feature on the largest land areas of the Earth. Familiar examples are mountains (including volcanic (volcanism) cones), plateaus, and valleys. (The term landform also can be applied to… … Universalium
Marine terrace — A marine terrace, coastal terrace[1], raised beach or perched coastline is a relatively flat, horizontal or gently inclined surface of marine origin[2], mostly an old abrasion platform which has been lifted out of the sphere of wave activity… … Wikipedia
