2.3.1. Data acquisition and software
Landsat TM data of 2012, path 168 and row 054 were used for this study. A portion of the image covering 0839 C1 and C2 toposheet area was selected. The image has seven bands, having a pixel resolution of 30 m. Analysis of the image was carried out using ArcGIS 10.2, ERDAS Imagine® 11, ENVI 4.7 and JMP statistical software Version 11.