Warning the risk of flash flood in valley due to the highest rainfall in mountainous districts of Quang Nam province
Applied research | No. 52 (2022)
Applied research | No. 52 (2022)

Warning the risk of flash flood in valley due to the highest rainfall in mountainous districts of Quang Nam province

DOI: 10.54491/jgac.2022.52.596
10.54491/jgac.2022.52.596
Published 2022-06-25
Thi Thu Hien Nguyen
The University of Danang – University of Science and Education
Ngoc Thach Nguyen
University of Science, Vietnam National University, Hanoi
Thi Diem My Nguyen
University of Science, Vietnam National University, Hanoi
PDF (Tiếng Việt) | Download: 132

Keywords

Cảnh báo lũ quét
huyện miền núi
tai biến môi trường
tỉnh Quảng Nam Flash flood warning
mountainous district
environmental disaster
Quang Nam province

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Tiếng Việt

How to Cite

Nguyen, T. T. H., Nguyen, N. T., & Nguyen, T. D. M. (2022). Warning the risk of flash flood in valley due to the highest rainfall in mountainous districts of Quang Nam province. Journal of Geodesy and Cartography, (52), 36–46. https://doi.org/10.54491/jgac.2022.52.596
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Abstract

In the context of climate change, the impact of extreme rainfall and its knock-on effects has increased sharply in the mountainous districts of Quang Nam province, Vietnam. The basin division method, combined with assessing flash flood risk by basin with the maximum daily rainfall threshold, is divided into 77 basins with five levels of flash flood risk in mountainous districts in the region research area. The results show that low risk (I and II) accounts for 79.5% of the entire mountainous district, and high and very high-risk levels (IV and V) account for 10.5% distributed in mountainous areas district (Nam Tra My, Tay Giang) belonging to 7 basin areas (417, 44, 419, 393, 402, 425 and 415).

https://doi.org/10.54491/jgac.2022.52.596
PDF (Tiếng Việt) | Download: 132

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