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With rapid urbanization, flooding disasters caused by heavy rainfall and floods have brought huge economic and social losses. Therefore, it is critical to seek a scientific and effective stormwater management solution. Using GIS technology, this study focuses on the growing urban flooding problem in three stages: before, during, and after the rainstorm. In the pre-storm stage, GIS is used for flood risk assessment and prediction management to provide accurate early warning information and decision support so that timely countermeasures can be taken. In the mid-storm stage, GIS plays a key role in command and dispatch and emergency response, enabling task assignment and dispatch optimization, and facilitating inter-departmental collaboration. In the post-storm phase, GIS technology is used to identify flooding problem areas, evaluate management effectiveness, and offer support for summarizing lessons learned and improving the urban flooding management system. Hence, this study provides scientific and efficient flood management solutions to reduce flood risks, improve city resilience to floods, and promote urban sustainable development. Through the application of GIS technology, the proposed findings will reveal that spatial analysis, data management, and decision support functions can be employed to provide comprehensive and systematic solutions for urban flood management.
With rapid urbanization, flooding disasters caused by heavy rainfall and floods have brought huge economic and social losses. Therefore, it is critical to seek a scientific and effective stormwater management solution. Using GIS technology, this study focuses on the growing urban flooding problem in three stages: before, during, and after the rainstorm. In the pre-storm stage, GIS is used for flood risk assessment and prediction management to provide accurate early warning information and decision support so that timely countermeasures can be taken. In the mid-storm stage, GIS plays a key role in command and dispatch and emergency response, enabling task assignment and dispatch optimization, and facilitating inter-departmental collaboration. In the post-storm phase, GIS technology is used to identify flooding problem areas, evaluate management effectiveness, and offer support for summarizing lessons learned and improving the urban flooding management system. Hence, this study provides scientific and efficient flood management solutions to reduce flood risks, improve city resilience to floods, and promote urban sustainable development. Through the application of GIS technology, the proposed findings will reveal that spatial analysis, data management, and decision support functions can be employed to provide comprehensive and systematic solutions for urban flood management.
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