International Journal of Environmental Planning and Management
Articles Information
International Journal of Environmental Planning and Management, Vol.7, No.1, Mar. 2021, Pub. Date: Feb. 23, 2021
Effects of Bank Protection Structures on River Morphology
Pages: 21-35 Views: 6 Downloads: 5
Authors
[01] Kuldeep Pareta, Water Resource Department, DHI (India) Water & Environment Pvt Ltd., New Delhi, India.
[02] Upasana Pareta, Omaksh Consulting Pvt. Ltd., Greater Noida (West), Uttar Pradesh, India.
Abstract
The Rapti river and its tributaries are meandering river, consisting of a variable number of meander bends, which change their locations and sizes each year. The most significant bankline modifications take place during the receding stages when excess sediment is deposited as point bars, side bars along the main channel, causing changes in local flow directions and migration of the thalweg. During floods river hydraulics change inducing variations in sediment transport characteristics and erosive forces, and the channel starts shifting at several vulnerable reaches. Understanding the flow of river and flow of hydraulic structures helps in their proper planning, design, and maintenance. Hydraulic analysis is made up of downstream and downstream hydraulic structures such as barrages and spurs such as sediment deposition upstream and skewed hydraulic jumps downstream as a result of insufficient energy dissipation. Therefore, the morphological studies have played an important role in sustainable river management, and restoration structures as well as flood risk mitigation. To solve this problem, we have done various study like effect of barrage, embankment, spurs on river morphology; and development of embayment between spurs. The study area needs corrective measure, appropriate planning, and governmental support to stabilize the riverbank lines and protect riverbank from erosion.
Keywords
River Morphology, Rapti River, Bank Protection Structures, Remote Sensing, and GIS
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