Morphometric analysis of song watershed: A GIS approach

Qadir, Abdul and Mallick, T.M. and Abir, Ismail Ahmad and Aman, Mohd Adil and Akhtar, Naseem and Anees, Mohd Talha and Hossain, Kaizar and Ahmad, Akil (2019) Morphometric analysis of song watershed: A GIS approach. Indian Journal of Ecology, 46 (3). pp. 475-480. ISSN 0304-5250,

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The present study conducted in Dehradun district of Uttarakhand state advocates that remotely sensed data and GIS based approach in evaluation of drainage morphometric parameter was more appropriate than the conventional methods. Various linear, aerial and relief aspects were taken into consideration to analyze the morphometry of the study area and digital elevation model (DEM) and slope map of the catchment area were generated from ASTER data of 30 m resolution. The drainage patterns were mainly dendritic to sub dendritic. The slope of the study area had been divided into five equal intervals viz. gentle (00 to 130), moderate (140 to 260), moderately steep (270 to 390), steep (400 to 520), and very steep (530 to 650). The order of stream of the study area ranged from 1st order to 6th order. The variation in stream length ratio might be due to difference in slope and topographic conditions. The variation of bifurcation ratio in the catchment area was ascribed to the difference in topography and geometric development. The drainage density was 2.03 km2 which was moderate. The drainage texture was 8.75 which shows that the lithology is not so complex. © 2019 Ecological Society of India. All rights reserved.

Item Type: Article
Uncontrolled Keywords: Digital Elevation Model (DEM); Geographic information system; Morphometric analysis; Remote sensing; Sub-watershed
Subjects: Q Science > QE Geology
Divisions: Faculty of Science > Department of Geology
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 11 Feb 2020 02:30
Last Modified: 11 Feb 2020 02:30

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