Flood Risk Analysis of Urban Agglomerations in the Yangtze River Basin Under Extreme Precipitation Based on Remote Sensing Technology
Flooding is the most pervasive hydrological disaster globally. This study presents a comprehensive analysis of torrential rain and flood characteristics across three major urban agglomerations (CY, MRYR, and YRD) in the Yangtze River Basin from 1991 to 2020. Utilizing satellite-derived microwave SSM...
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MDPI AG
2024-11-01
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| Series: | Remote Sensing |
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| Online Access: | https://www.mdpi.com/2072-4292/16/22/4289 |
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| author | Haichao Li Dawen Yang Zhenduo Zhu Yanqi Wei Yuliang Zhou Hiroshi Ishidaira Nii Amarquaye Commey Han Cheng |
| author_facet | Haichao Li Dawen Yang Zhenduo Zhu Yanqi Wei Yuliang Zhou Hiroshi Ishidaira Nii Amarquaye Commey Han Cheng |
| author_sort | Haichao Li |
| collection | DOAJ |
| description | Flooding is the most pervasive hydrological disaster globally. This study presents a comprehensive analysis of torrential rain and flood characteristics across three major urban agglomerations (CY, MRYR, and YRD) in the Yangtze River Basin from 1991 to 2020. Utilizing satellite-derived microwave SSM/I data and CHIRPS precipitation datasets, this study examines the impacts of urbanization and climate change on flood risk patterns. The results showed: (1) In 1998, the MRYR had the highest flood risk due to heavy rainfall and poor flood control, but by 2020, risk shifted to the CY with rapid urbanization and more rainfall, while the YRD maintained the lowest risk due to advanced flood control. (2) The relationship between impervious surface area and flood risk varied by region. The CY showed a negative correlation (−0.41), suggesting effective flood mitigation through topography and infrastructure; the MRYR had a slight positive correlation (0.12), indicating increased risks from urban expansion; and the YRD’s weak negative correlation (−0.18) reflected strong flood control systems. This research underscores the imperative of strategic urban planning and effective water resource management to mitigate future flood risks and contributes valuable insights to ongoing efforts in flood disaster prevention and control within the Yangtze River Basin. |
| format | Article |
| id | doaj-art-29151727fe204b6f95fb2ed7e70dc93e |
| institution | OA Journals |
| issn | 2072-4292 |
| language | English |
| publishDate | 2024-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Remote Sensing |
| spelling | doaj-art-29151727fe204b6f95fb2ed7e70dc93e2025-08-20T02:27:38ZengMDPI AGRemote Sensing2072-42922024-11-011622428910.3390/rs16224289Flood Risk Analysis of Urban Agglomerations in the Yangtze River Basin Under Extreme Precipitation Based on Remote Sensing TechnologyHaichao Li0Dawen Yang1Zhenduo Zhu2Yanqi Wei3Yuliang Zhou4Hiroshi Ishidaira5Nii Amarquaye Commey6Han Cheng7State Key Laboratory of Hydroscience and Engineering, Department of Hydraulic Engineering, Tsinghua University, Beijing 100084, ChinaState Key Laboratory of Hydroscience and Engineering, Department of Hydraulic Engineering, Tsinghua University, Beijing 100084, ChinaState Key Laboratory of Hydroscience and Engineering, Department of Hydraulic Engineering, Tsinghua University, Beijing 100084, ChinaSchool of Energy and Power Engineering, Xihua University, Chengdu 610039, ChinaCollege of Civil Engineering, Hefei University of Technology, Hefei 230009, ChinaInterdisciplinary Centre for River Basin Environment, University of Yamanashi, Kofu 400-8510, JapanInterdisciplinary Centre for River Basin Environment, University of Yamanashi, Kofu 400-8510, JapanState Key Laboratory of Hydroscience and Engineering, Department of Hydraulic Engineering, Tsinghua University, Beijing 100084, ChinaFlooding is the most pervasive hydrological disaster globally. This study presents a comprehensive analysis of torrential rain and flood characteristics across three major urban agglomerations (CY, MRYR, and YRD) in the Yangtze River Basin from 1991 to 2020. Utilizing satellite-derived microwave SSM/I data and CHIRPS precipitation datasets, this study examines the impacts of urbanization and climate change on flood risk patterns. The results showed: (1) In 1998, the MRYR had the highest flood risk due to heavy rainfall and poor flood control, but by 2020, risk shifted to the CY with rapid urbanization and more rainfall, while the YRD maintained the lowest risk due to advanced flood control. (2) The relationship between impervious surface area and flood risk varied by region. The CY showed a negative correlation (−0.41), suggesting effective flood mitigation through topography and infrastructure; the MRYR had a slight positive correlation (0.12), indicating increased risks from urban expansion; and the YRD’s weak negative correlation (−0.18) reflected strong flood control systems. This research underscores the imperative of strategic urban planning and effective water resource management to mitigate future flood risks and contributes valuable insights to ongoing efforts in flood disaster prevention and control within the Yangtze River Basin.https://www.mdpi.com/2072-4292/16/22/4289Yangtze River Basinextreme precipitationflood riskremote sensing technologyurbanization |
| spellingShingle | Haichao Li Dawen Yang Zhenduo Zhu Yanqi Wei Yuliang Zhou Hiroshi Ishidaira Nii Amarquaye Commey Han Cheng Flood Risk Analysis of Urban Agglomerations in the Yangtze River Basin Under Extreme Precipitation Based on Remote Sensing Technology Remote Sensing Yangtze River Basin extreme precipitation flood risk remote sensing technology urbanization |
| title | Flood Risk Analysis of Urban Agglomerations in the Yangtze River Basin Under Extreme Precipitation Based on Remote Sensing Technology |
| title_full | Flood Risk Analysis of Urban Agglomerations in the Yangtze River Basin Under Extreme Precipitation Based on Remote Sensing Technology |
| title_fullStr | Flood Risk Analysis of Urban Agglomerations in the Yangtze River Basin Under Extreme Precipitation Based on Remote Sensing Technology |
| title_full_unstemmed | Flood Risk Analysis of Urban Agglomerations in the Yangtze River Basin Under Extreme Precipitation Based on Remote Sensing Technology |
| title_short | Flood Risk Analysis of Urban Agglomerations in the Yangtze River Basin Under Extreme Precipitation Based on Remote Sensing Technology |
| title_sort | flood risk analysis of urban agglomerations in the yangtze river basin under extreme precipitation based on remote sensing technology |
| topic | Yangtze River Basin extreme precipitation flood risk remote sensing technology urbanization |
| url | https://www.mdpi.com/2072-4292/16/22/4289 |
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