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The individual landforms developed under the cycle may differ considerably according to local types of bedrock and the manner in which geomorphic processes act upon the terrain, but the general operation of the pediplanation cycle is that it tends to reduce uplifted land, whatever its form, ultimately to a landscape of low relief through a series of intermediate stages during which the hillslopes retreat more or less parallel to themselves, leaving at reduced level ever broadening pediments which reach from the foot of each hillslope to a nearby stream or river bed Figs.
Open image in new window. This is a preview of subscription content, log in to check access. King, L. Second ed. Google Scholar. Mulcahy, M. Penck, W. Schumm, S. King There are no affiliations available.
In geology and geomorphology a pediplain from the Latin pes , genitive case pedis , meaning "foot" is an extensive plain formed by the coalescence of pediments. The concept gained notoriety as it was juxtaposed to peneplanation. The coalesced pediments of the pediplains may form a series of very gentle concave slopes. Pediplanation is linked to scarp retreat in the following way: as scarps retreat over geological time pediments migrate and extend over large areas. The result is that the surface is eroded chiefly backward and that downward erosion is limited. Cryoplanation is a variant of pediplanation that is restricted to cold climates. From Wikipedia, the free encyclopedia.