Abstract

Scientists and researchers in ancient and modern times have profoundly applied morphometric analysis to evaluate quantitative description of landforms or drainage basins and large regions.The objective of this study is to enlighten certain features like tectonic control over drainage basin, the hydro-geomorphic characteristics of the drainage system and the geomorphic maturity of terrain of South Andaman Island. After extensive studies, drainage system in this particular island is broadly classified into five major drainage patterns (dendritic, trellis, parallel, radial and centripetal). An attempt has been made here to investigate the in-depth morphometric characteristics of dendritic pattern of a fourth-order watershed. In earlier attempts, researchers have used morphometric analysis to calculate stream ordering, stream length, length ratio and bifurcation ratio as part of linear aspects and drainage density, stream frequency, form factor, circulatory ratio, elongated ratio as part of areal aspects. The present case study has been carried out in remote sensing and geographical information system (GIS) environment. Shuttle Radar Topographic Mission data has been used to prepare the digital elevation model and GIS to evaluate all linear, areal and relief aspects of this small drainage basin in South Andaman Island which was never unearthed till date.

Highlights

  • The fundamental of this research paper is based on morphometric analysis of a small drainage basin in South Andaman Island, India

  • Among the widely used techniques as described, geographical information system (GIS) methodologies have been implemented to accomplish the morphometric analysis of the South Andaman drainage basin

  • The analysis performed for the Burma Nala river basin of South Andaman Island provides information regarding the hydrogeologic condition of the basin

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Summary

Introduction

The fundamental of this research paper is based on morphometric analysis of a small drainage basin in South Andaman Island, India. Emphasis was given to the development of quantitative methods to assess the behavior and evolution of the surface drainage networks (Horton 1945; Leopold and Maddock Jr 1953; Abrahams 1984). Applied Water Science (2020) 10:5 the impact of tectonics over the drainage basin. Among the widely used techniques as described, GIS methodologies have been implemented to accomplish the morphometric analysis of the South Andaman drainage basin. This tool is devised to provide a powerful and flexible environment for the manipulation and analysis of spatial information

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