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An Assessment of Structural Measures for Flood-prone Lowlands with High Population Density along the Keelung River in Taiwan

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  • Lung-Sheng Hsieh
  • Ming-Hsi Hsu
  • Ming-Hsu Li

Abstract

Midstream of the Keelung River Basin in Northern Taiwan has become highly urbanized and densely populated area. Flood inundation along riversides frequently occurred during typhoons or rainstorms. Three protection measures, including constructions of high-level protection levees, a diversion channel, and a detention reservoir, were proposed for flood mitigation. The main purpose of this study is to evaluate the flood mitigation performance of the three proposed structural measures by using combined hydrologic analyses and hydraulic routings. A semi-distributed parallel-type linear reservoirs rainfall-runoff model was used for estimating the surface runoff. Furthermore, a 1-D dynamic channel routing model was coupled with a two-dimensional inundation model to simulate the hydraulic characteristics of river flooding and overland flow. Simulation results of flood stages, runoff peak discharges, and inundation extent under design rainfall scenarios were chosen as the criteria for evaluation. The results showed a diversion channel is superior to the other two measures for flood mitigation of the study area. After the process of environmental impact assessment, a revised diversion channel approach has been approved for construction as the major structural measure. Copyright Springer 2006

Suggested Citation

  • Lung-Sheng Hsieh & Ming-Hsi Hsu & Ming-Hsu Li, 2006. "An Assessment of Structural Measures for Flood-prone Lowlands with High Population Density along the Keelung River in Taiwan," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 37(1), pages 133-152, February.
    • Handle: RePEc:spr:nathaz:v:37:y:2006:i:1:p:133-152
    DOI: 10.1007/s11069-005-4660-1
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    Citations

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    Cited by:

    1. Nanda Khoirunisa & Cheng-Yu Ku & Chih-Yu Liu, 2021. "A GIS-Based Artificial Neural Network Model for Flood Susceptibility Assessment," IJERPH, MDPI, vol. 18(3), pages 1-20, January.
    2. Cheol-Hee Son & Jong-In Baek & Yong-Un Ban & Sung-Ryong Ha, 2015. "The Effects of Mitigation Measures on Flood Damage Prevention in Korea," Sustainability, MDPI, vol. 7(12), pages 1-19, December.
    3. Shang-Shu Shih & Sheng-Chi Yang & Huei-Tau Ouyang, 2014. "Anthropogenic effects and climate change threats on the flood diversion of Erchung Floodway in Tanshui River, northern Taiwan," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 73(3), pages 1733-1747, September.
    4. Tsung-Yi Pan & Lung-Yao Chang & Jihn-Sung Lai & Hsiang-Kuan Chang & Cheng-Shang Lee & Yih-Chi Tan, 2014. "Coupling typhoon rainfall forecasting with overland-flow modeling for early warning of inundation," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 70(3), pages 1763-1793, February.
    5. Chen Cao & Peihua Xu & Yihong Wang & Jianping Chen & Lianjing Zheng & Cencen Niu, 2016. "Flash Flood Hazard Susceptibility Mapping Using Frequency Ratio and Statistical Index Methods in Coalmine Subsidence Areas," Sustainability, MDPI, vol. 8(9), pages 1-18, September.
    6. Yu-Shou Su, 2016. "Urban Flood Resilience in New York City, London, Randstad, Tokyo, Shanghai, and Taipei," Journal of Management and Sustainability, Canadian Center of Science and Education, vol. 6(1), pages 92-108, March.
    7. Qiang Zhang & Wei Zhang & Yongqin Chen & Tao Jiang, 2011. "Flood, drought and typhoon disasters during the last half-century in the Guangdong province, China," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 57(2), pages 267-278, May.
    8. Wen-Cheng Liu & Chung-Yi Wu, 2011. "Flash flood routing modeling for levee-breaks and overbank flows due to typhoon events in a complicated river system," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 58(3), pages 1057-1076, September.

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