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Erschienen in:
2021 | OriginalPaper | Buchkapitel
Sand-Spit Evolution and Inlet Dynamics Derived from Satellite Images: A Case Study for Tien Chau Inlet, Vietnam
verfasst von : Tran Thanh Tung, Nguyen Quang Chien, Do Xuan Tinh
Erschienen in: Proceedings of the 3rd International Conference on Sustainability in Civil Engineering
Verlag: Springer Singapore
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Abstract
The Tien Chau inlet, where the Ky Lo river discharges into the southern part of Xuan Dai Bay, belongs to the An Ninh Dong ward, Tuy An district. This place has been a shelter area for over 400 vessels of Tuy An and other districts of Phu Yen province. The inlet is frequently accreted and shifted, causing difficult and unsafe navigation of vessels on their routes to seek for shelter and sell fishing products. This paper presents the results of a research on the evolution patterns of a sand-spit to the north of Tien Chau inlet as well as the analysis on the linkage between river dynamic factors to the past evolutions of the sand-spit and the inlet, using collected Landsat images from 1988 to 2019 and Sentinel images from 2016 to 2020. The results highlight strong relationships between geometries of both the Tien Chau inlet and the northern sand-spit, and the peak discharge Qmax of the Ky Lo river.