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Published in:
2021 | OriginalPaper | Chapter
Investigation the Influence of Cua Tien Urban Area on Flood Drainage Capacity of Vinh River, Vinh City, Nghe an Province by Numerical Model
Authors : Nguyen Viet Thanh, Hoang Nam Binh, Bui Vinh Phuc
Published in: Proceedings of the 3rd International Conference on Sustainability in Civil Engineering
Publisher: Springer Singapore
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Abstract
Cua Tien urban area is located in Vinh riverside, Vinh City, Nghe An province. The New urban area was constructed in flood plain of Vinh river may reduce the flood drainage capacity. This research used numerical model to investigate the flood distribution, water depth change and current speed during history flood based on the bathymetries measured in May 2005 and November 2019 in the Vinh river. The results show that, the highest water depth before and after construction of Cua Tien urban area increased only 7.5 cm and the largest current speed reached to 1.58 m/s. These results indicated that the construction of Cua Tien urban area only causes a very small impact on the increasing of water level in upstream and does not change the flood drainage capacity of Vinh River in the rainy season.