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

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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

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