Decadal Dynamics of Jamuna Riverbank Erosion and Its Impact on Local Livelihoods in Shariakandi, Bangladesh
Journal Title: Acadlore Transactions on Geosciences - Year 2024, Vol 3, Issue 1
Abstract
Over a thirty-year period (1990-2020), the spatiotemporal changes in riverbank erosion and accretion along the Jamuna River in Shariakandi Upazila, Bogura District, Bangladesh, were investigated using Landsat satellite imagery processed through ArcGIS 10.8 and Erdas Imagine 2015. The analysis delineated significant alterations in the riverbank, quantifying a decrease in the river area from 108 km2 to 79.99 km2, with a net erosion of 50.02 km2 and an accretion of 78.03 km2. Among the nine unions affected, Karnibari, Kazla, and Chaulabari were most impacted, with erosion accounting for 14.79%, 25.98%, and 28.42% of the total, respectively. This study established a direct correlation between riverbank erosion and increased vulnerability for local populations, characterized by loss of homesteads and agricultural lands, displacement, income reduction, and a cycle of poverty. Environmental repercussions included deteriorated water quality and an increased prevalence of diseases. The effectiveness of various local adaptation strategies, such as financial reliance on external sources, migration, and occupational shifts, was also assessed, revealing a spectrum of success and underscoring the necessity for more sustainable, holistic approaches. This research emphasizes the imperative for integrated riverbank management strategies that concurrently address the geological and socio-economic ramifications of riverbank erosion.
Authors and Affiliations
Sheikh Al Amin, Rifat Bin Hossain, Md. Iqbal Hasan
Keywords
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- EP ID EP749383
- DOI 10.56578/atg030105
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