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Please use this identifier to cite or link to this item: http://eprint.iitd.ac.in/handle/2074/2322

Title: Lithological discrimination of sun-facing and shadowed portions of Aravalli region
Authors: Patel, Nilanchal
Rampal, K K
Keywords: litho-units
landsat thematic mapper data
ground truth data
Issue Date: 1993
Citation: Advances in Space Research, 13(11), 91-94p.
Abstract: Surface illumination in the mountainous terrains is characterized differently on the sun-facing and shadowed portions of the geologic units. This causes misclassification of the litho-units using satellite remotely sensed data. In the present paper, an effort has been made to use Landsat thematic mapper data for the classification of the different litho-units of the Aravalli mountains of Rajasthan State (India) by applying supervised maximum likelihood classifier. The various litho-units of the Aravalli region have been classified considering the sun-facing and shadowed portions of each unit as different classes based on ground truth data. A geological map prepared from the digital image is found to compare closely with the published geological map.
URI: http://eprint.iitd.ac.in/dspace/handle/2074/2322
Appears in Collections:Civil Engineering

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