COMPARATIVE ANALYSIS OF TERRAIN CHARACTERISTICS OF UDHAGAMANDALAM, NILGIRI DISTRICT, TAMIL NADUR. Nagalakshmi and Debanjan Pakrasi
The objective of this study is to do comparison of 2 year digital elevation model and observe the certain changes of terrain characteristics by analyzing certain parameters like elevation, slope, aspect and contour. A tehsil of Nilgiri District which is known as Udhagamandalam tehsil has been chosen for this study. The methodology has been developed in such a way that was helpful for analyze the certain changes in topography. Here Cartosat-1 DEM, acquired from NRSC Bhuvan data archive, was used to analysis the terrain changes. The Computer based tool which is known as GIS has been found as a very efficient tool to derive the aiming result.
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