Effect of Land Use and Drainage System Changes on Urban Flood Spatial Distribution in Handan City: A Case Study

Beibei Liu, Chaowei Xu, Jiashuai Yang, Sen Lin and Xi Wang ()
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Beibei Liu: National Disaster Reduction Center of China, Ministry of Emergency Management of China, Beijing 100124, China
Chaowei Xu: College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
Jiashuai Yang: College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
Sen Lin: National Disaster Reduction Center of China, Ministry of Emergency Management of China, Beijing 100124, China
Xi Wang: College of Urban and Environmental Sciences, Peking University, Beijing 100871, China

Sustainability, 2022, vol. 14, issue 21, 1-18

Abstract: This study simulated urban flooding under various land use and drainage system conditions and described the process of historical ground–underground construction and its influence on spatial variations in waterlogging, taking Handan City as an example. The obtained results can provide support for urban water security and sustainable urban water resource management. The land use change, represented by the expansion of sealed surfaces, has a positive impact on the distribution and the volume of flood in Handan City, while the drainage system has the opposite effect. The flooding distribution changes over decades reveal that flooding risk is reduced in most areas by improved drainage conditions but exacerbated in impervious areas and riversides due to increasing impermeable areas, the rapid draining of pipes, and poor outlet conditions. This study demonstrates how the dual changes in land use and drainage pipeline networks affect urban flooding distribution; we suggest considering land use and the extension of drainage pipelines in future construction.

Keywords: land use change; drainage system; urban water security; SWMM; Handan (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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