Morphometry and Geomorphological Investigations of the Neugal Watershed, Beas River Basin, Kangra District, Himachal Pradesh Using GIS Tools
Abstract
An attempt has been made to study the detailed morphometric and geomorphological characteristics of the Neugal Watershed, which is a part of the Beas River Basin, in Kangra district of Himachal Pradesh, India. For detailed study of this watershed, geographical information system (GIS) was used in the evaluation of slope, linear stream ordering and relief aspects of morphometric parameters and also in presentation of geomorphological subdivisions of the basin. Surface Tools in ArcGIS-10 software and ASTER (DEM) were used in the preparation of watershed boundary, slope-aspect and different thematic maps like drainage density, slope and relief. More than eight morphometric parameter of different aspects have been computed. It is observed that the stream frequency decreases as the stream order increases and the densities of 1st order streams are higher in the northern, southern and south-eastern part of the Neugal watershed area. Based on the relationship between absolute and relative relief in the study area, it can be indicated that the relative relief increases with the increase in the absolute relief and shows active correlation. In Neugal watershed, the slope is controlled by the structure, and the erosional processes which have resulted in varied landform leading to environmental hazards.
Keywords: Morphometric parameters, Geomorphological analysis, Neugal watershed, Relief, Environmental hazards
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ISSN (Paper)2224-3216 ISSN (Online)2225-0948
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