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Morphological Changes of River Dikrong with Due Emphasis on Effects of Ranganadi Hydroelectric Power Plant
With every new dawn, there have been changes in the spheres of the earth. These changes have many times touched the morphology of a river. Man-made interventions like the construction of a dam also add to changes in the geomorphological characteristics of a river. The shifting of the course of a river due to various reasons is seen to be a common phenomenon that affects the life of local habitats. The advances in aerial photographs, satellite imageries, remote sensing, and GIS technologies significantly help in gathering information from remote areas where field survey is inaccessible, thereby standing to be a fundamental tool for morphological studies of rivers. In the present study, the morphological changes of river Dikrong with due emphasis on the effects of the Ranganadi hydroelectric power plant are tried to find out using multi-temporal satellite data coupled with geospatial techniques. For it, the Landsat datasets were collected, which were digitalized, processed, and analysed using ArcGIS to find the amount of erosion, deposition, changes in channel dimension, and bankline shifting for a reasonable time period. It has been observed that the release of water from the Ranganadi Dam into Dikrong has increased erosion and deposition as well as affects the morphology of the river.
Morphological Changes of River Dikrong with Due Emphasis on Effects of Ranganadi Hydroelectric Power Plant
With every new dawn, there have been changes in the spheres of the earth. These changes have many times touched the morphology of a river. Man-made interventions like the construction of a dam also add to changes in the geomorphological characteristics of a river. The shifting of the course of a river due to various reasons is seen to be a common phenomenon that affects the life of local habitats. The advances in aerial photographs, satellite imageries, remote sensing, and GIS technologies significantly help in gathering information from remote areas where field survey is inaccessible, thereby standing to be a fundamental tool for morphological studies of rivers. In the present study, the morphological changes of river Dikrong with due emphasis on the effects of the Ranganadi hydroelectric power plant are tried to find out using multi-temporal satellite data coupled with geospatial techniques. For it, the Landsat datasets were collected, which were digitalized, processed, and analysed using ArcGIS to find the amount of erosion, deposition, changes in channel dimension, and bankline shifting for a reasonable time period. It has been observed that the release of water from the Ranganadi Dam into Dikrong has increased erosion and deposition as well as affects the morphology of the river.
Morphological Changes of River Dikrong with Due Emphasis on Effects of Ranganadi Hydroelectric Power Plant
Advances in Sustainability sci. & technol.
Bhattacharjya, Rajib Kumar (editor) / Talukdar, Bipul (editor) / Katsifarakis, Konstantinos L. (editor) / Sarmah, Dhruba Jyoti (author) / Gohain, Sanjib (author) / Bhattacharjya, Rajib Kumar (author)
2022-06-18
11 pages
Article/Chapter (Book)
Electronic Resource
English
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