Volume : 3, Issue : 8, AUG 2017
GEOMORPHOLOGICAL ANALYSIS OF UPPER KARHA WATERSHED IN SEMI-ARID AREA, MAHARASHTRA, INDIA
VAISHALI S. GULAVANI, PROF. S. S. DESHMUKH, DR. A, M. ZENDE
In the present paper, an attempt has been made to study the quantitative geomorphological analysis of Upper Karha watershed, Western Maharashtra, India. Geomorphological parameters are calculated on the basis of Survey of India toposheets 47F-15, 47 J-3, 4 and 7at 1: 50000 scale, and ASTER DEM (2016) with 30m spatial resolutions. The morphometric analysis of study area has been carried out using Arc GIS 9.3 software. The study area covers 400 sq.km. Morphological characteristics of the watershed as appear in shape, size, number, order, length, Dd, Sf, Rb, Fs, T, Rc are derived to trace its usefulness for surface development. The present study involves Geographic Information System (GIS) analysis technique to evaluate and compare linear, relief and aerial morphometry of Upper Karha watershed. Upper Karha watershed is basically 6th order watershed and mainly dendritic to sub dendritic drainage pattern. Drainage density and texture of the drainage basin is 3.15 km/km2, 17.84 respectively. The drainage frequency of Upper Karha watersheds is 4.37 whereas the mean bifurcation ratio is 3.87. Hence from the study it can be conclude that GIS technique proves to be competent tool in morphometric analysis.
Morphometric analysis, ASTER DEM, Arc GIS, Drainage frequency, Drainage density, Surface Development.
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