ORIGINAL RESEARCH article
Front. Environ. Sci.
Sec. Interdisciplinary Climate Studies
This article is part of the Research TopicClimate Change and Water Resource Management: Building ResilienceView all articles
Assessing the impact of land use patterns on rain-flood risk in high-density urban centers: A SCS-CN model-based approach
Provisionally accepted
- 1College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou, China
- 2Yangzhou University Agricultural College, Yangzhou, China
- 3College of Landscape Architecture,, Nanjing Forestry University, Nanjing, China
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In this paper, we employ an enhanced watershed division method and the establishment of stormwater corridors, in conjunction with the SCS-CN model, to quantitatively assess flood disasters under varying rainstorm intensities in the central city of Nanjing, Jiangsu, China. The study also analyzes local adaptation practices and their effectiveness in mitigating adverse effects, taking into account the existing urban roadways and rivers. The results of our research demonstrate that this approach accurately analyzes runoff from each land unit, identifies the location, area, and propagation pattern of land units susceptible to flooding under different rainstorm intensities. Furthermore, the rain-flood corridors developed through this method effectively integrate the urban rain-flood pipeline network and provide a more precise analysis of infiltration losses during the runoff process. In conclusion, the flood safety pattern derived from this data offers valuable technical guidance for managing extreme rainstorm floods in central urban areas.
Keywords: urban central area flooding, rain–flood security pattern, rain–flood corridor, Land use impact, Nanjing central area
Received: 26 Sep 2025; Accepted: 18 Nov 2025.
Copyright: © 2025 Ma, Li, Liu, Zhou and Li. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Kun Ma, makun@yzu.edu.cn
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