Identification of palaeochannels around Cauvery river near Talakad, Karnataka using remote sensing data |
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| Authors: | M A Mohammed Aslam A Balasubramanian |
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| Institution: | (1) National Institute of Advanced Studies (NIAS), Indian Institute of Science Campus, Bangalore, 560 012, India;(2) Space Applications Centre (SAC), Ambawadi Vistar P.O., Jodhpur Tekra, Ahmedabad, 380 015, India |
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| Abstract: | Visual interpretation of satellite images could help in the identification of present and past landforms. An attempt has been made to identify the palaeochannels of the Cauvery river in Karnataka state through visual interpretation of IRS-1C, LISS III False Colour Composites (FCC). In order to assess their inter-relationship with other hydrogeomorphic elements, various geomorphic units have been mapped. Major geomorphic units like alluvial plain, pediplain, valley fill. residual hill, ridges, meander scar, channel bars and water bodies have been demarcated. Considering the hydrogeomorphic setup of the palaeochannels. it is inferred that the disposition of palaeochannels of the area are controlled by the geology and structure and the prevailing geomorphic process. |
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