Remote sensing techniques in establishing geomorphic-soil relationships |
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| Authors: | R S Murthy R M Pofali R K Saxena |
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| Institution: | 1. National Bureau of Soil Survey and Land Use Planning (ICAR), Nagpur
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| Abstract: | Landform constitutes one of the important factors in establishing a firm relationship between soil development and pertinent morphological characteristics. Therefore, an understanding of the geomorphological processes helps to initiate studies in the characterisation of soil scapes. Landscape-soil relationships also assist in mapping soils rapidly and accurately. Remote sensing data products like aerial photographs and satelite imagery help in the recognition, delineation and satellite imagery help in the recognition, delineation and classification of landforms for genetical studies. Five sample areas selected from heterogeneous climatic environments distinctly reveal geomorphic-soil linkages. In the humid, highly weathered, sedimentary hilly terrain of Tripura, Udalfs, Ochrepts and Orthents are common while in the valleys Aqualfs, and Aquepts occur dominantly. In the arid and hilly terrain of Kutch, shallow Orthents and Orthids form the dominant soils but in the plains, deep Salorthids and Natrargids take a dominant place. The semihumid Malwa plateau and Nagpur consists of Ochrepts and Usterts. |
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