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The geographic cycle, or cycle of erosion, is an idealized model that explains the development of relief in landscapes. [1] The model starts with the erosion that follows uplift of land above a base level and ends, if conditions allow, in the formation of a peneplain. [1]
Localized geology and geomorphology topics for various parts of the Himalaya are discussed on other pages: Geology of Nepal; Zanskar is a subdistrict of the Kargil district, which lies in the eastern half of the Indian union territory of Ladakh. Indus River - the erosion at Nanga Parbat is causing rapid uplifting of lower crustal rocks; Mount ...
In geomorphology a river is said to be rejuvenated when it is eroding the landscape in response to a lowering of its base level. The process is often a result of a sudden fall in sea level or the rise of land. The disturbance enables a rise in the river's gravitational potential energy change per unit distance, increasing its riverbed erosion rate.
In geomorphology and geology, a peneplain is a low-relief plain formed by protracted erosion. This is the definition in the broadest of terms, albeit with frequency the usage of peneplain is meant to imply the representation of a near-final (or penultimate) stage of fluvial erosion during times of extended tectonic stability. [ 1 ]
Climatic geomorphology is the study of the role of climate in shaping landforms and the earth-surface processes. [1] An approach used in climatic geomorphology is to study relict landforms to infer ancient climates. [1] Being often concerned about past climates climatic geomorphology considered sometimes to be an aspect of historical geology. [2]
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. [1] The processes through which pediplains forms is known as pediplanation . [ 2 ]
In geology and geomorphology, a hogback or hog's back is a long, narrow ridge or a series of hills with a narrow crest and steep slopes of nearly equal inclination on both flanks. Typically, the term is restricted to a ridge created by the differential erosion of outcropping , steeply dipping (greater than 30–40°), homoclinal , and typically ...
Blowout (geomorphology) – Depressions in a sand dune ecosystem caused by the removal of sediments by wind; Desert pavement – Type of desert earth surface; Dune – Hill of loose sand built by aeolian processes or the flow of water; Erg (landform) – Broad area of desert covered with wind-swept sand