NTA-NET (UGC-NET) Geography (80) Geomorphology-Slope Forms and Processes Study Material (Page 2 of 4)

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Slope Development: Classification of Slope

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Classification of Slope

Based on Slope Element

Development of different elements of hillslope profile depends on the local conditions and age of structure. For example, free face does not develop in the regions of low or subdued reliefs. On the other hand, if resistant and weak rocks are alternated in a hillslope, there is repetition of free face (on resistant rocks) and rectilinear elements (on weak rocks) . Sequence of these four elements also changes with the passage of time during cycle of erosion. For example, summital convexity is dominant element in youthful stage while rectilinearity becomes more p…

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Slope Development: Approaches to Slope Development

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Approaches to Slope Development

There are two main approaches to slope development, which can be studied theoretically, experimentally, or empirically (theory based on field observation) .

  • Slope Evolution Approach: It involves study of historical development of hill slopes. For example, Davisian model of slope decline. Problems with this approach are
    • It becomes necessary to find out original form of present day hill slope, which is very difficult.
    • Dating of slope development is a serious problem.
  • Process Form Approach: It is based on the direct relationship of slope types and slope forms w…

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