Abstract:
A river is defined as any naturally occurring body of water that moves along a specified
course. Erosion, sediment transport, and sediment deposition are the three most essential
processes taking place in river channels. The geography of Bangladesh is largely shaped
by its rivers. The Padma is one of the longest rivers in Bangladesh and it goes all the way
across the nation. The river's structure is quite dynamic. Currently, riverbank erosion in the
Padma River is a significant concern. Naria, located in the Shariatpur district was selected
as the research area. This study aims to assess the morphological alterations along the
Padma River in the adversely devastated Naria upazila. Satellite pictures from the past 50
years (1972-2022) were evaluated. In this paper, image processing was accomplished with
the use of technologies like EarthExplorer and Geographic Information Systems (GIS). The
images of Landsat were collected with the use of EarthExplorer. The results of this research
demonstrate that calamities such as riverbank erosion-deposition occur as a result of
flooding, sediment transport, and human activity. Massive erosion-deposition was observed
in Naria upazila, particularly for the floods that occurred in 1987, 1988, 1998, 2004, and
2007, which were assessed in this study. This catastrophe had a serious influence on a great
number of people's lives. It has caused a lot of people to lose their homes and jobs and end
up on the streets. Residents in this region are leaving their homes to find better living
circumstances due to a lack of sanitation, clean water, healthcare and education. Because
of this, the government must promptly adopt strategies that supplement current systems. To
stop riverbank erosion and protect people and their way of life, it's important to use both
non- structural and structural methods.
