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VOL. 1, ISSUE 1 (2025)
GIS and remote sensing-based morphometric evaluation of wainganga river sub-basin using dem data
Authors
Dr. Umesh Sharma
Abstract

Morphometric analysis is a fundamental approach to understanding the hydrological behavior and geomorphological characteristics of a river basin. This study uses Geographic Information System (GIS) and Remote Sensing (RS) techniques to evaluate the Wainganga River sub-basin, a significant tributary in central India, through Digital Elevation Model (DEM) data. The Shuttle Radar Topography Mission (SRTM) DEM with a 30 m spatial resolution was processed using ArcGIS 10.8 and QGIS 3.28 to extract drainage networks, watershed boundaries, and topographic parameters. Morphometric parameters were calculated under three categories—linear (stream order, bifurcation ratio, stream length), areal (drainage density, texture ratio, form factor), and relief (basin relief, relief ratio, ruggedness number). The results reveal that the Wainganga sub-basin exhibits a dendritic drainage pattern indicative of homogeneous lithology. The computed drainage density of 1.75 km/km² suggests moderate permeability and surface runoff potential. High bifurcation ratios (average 4.2) indicate structural control over drainage development, while the relief ratio of 0.016 reflects low to moderate relief energy. These findings provide crucial insights for watershed management, flood risk assessment, and soil conservation strategies. The integration of GIS and RS offers a cost-effective and accurate approach for large-scale morphometric studies, enabling better-informed river basin management in regions with limited field data availability.

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Pages:21-23
How to cite this article:
Dr. Umesh Sharma "GIS and remote sensing-based morphometric evaluation of wainganga river sub-basin using dem data". World Journal of Applied Research, Vol 1, Issue 1, 2025, Pages 21-23
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