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A Study on bank erosion in the southern part of Majuli Island, Assam

Abstract

Majuli is the largest river island in the world, located on the Brahmaputra River in Assam. The entire area of Majuli is 1250 km². However, it is now only 421.65km after suffering severe erosionrelated losses. Majuli has long been renowned for its rich cultural history. Furthermore, it is a hotspot for flora and fauna, home to numerous rare and endangered bird species, including migratory birds like the Whistling Teal, Pelican, Siberian Crane, and Greater Adjutant Stork. Because there aren't any factories or industries that emit pollutants, the island is supposedly pollution-free. However, severe flooding and bank erosion are the two natural hazards that it is currently facing. Each year, erosion and deposition put both island’s banks in grave danger. The south bank has a higher average rate of maximum shift that causes erosion over all time periods, ranging from 0.004 to 0.48 km/year, than the north bank, which has an average rate of 0.009 to 0.4 km/year. The goal of this paper is to examine the causes and effects of the changing Brahmaputra south bank on Majuli River Island in the modern era. The type of changes and effects have been observed using both primary and secondary data. It is anticipated that the current study will undoubtedly be beneficial to geographers, engineers, planners, etc.

Keywords

Avifauna; Flood; Erosion; Deposition; Natural hazards

Corresponding Author

Mr. Mriganka Bora

Department of Geography, Assistant Professor, Dr B.K.B. College, Nagaon, Assam, India

mriganka.ng.06@gmail.com

Article History

Received Date : 13 July 2025

Revised Date : 07 August 2025

Accepted Date : 26 August 2025

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