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极端特大暴雨后,超大城市的安全韧性探索
Core Viewpoint - Shenzhen is actively enhancing its urban resilience and disaster prevention capabilities in response to extreme weather events, particularly following the severe flooding caused by the "9·7" rainstorm two years ago [1][3][5]. Group 1: Urban Resilience Initiatives - Shenzhen has implemented various measures to improve urban safety governance, including revising emergency plans and conducting regular flood response drills [1][3]. - The city plans to add 35 kilometers of comprehensive utility tunnels and 60 square kilometers of sponge city infrastructure by 2024, along with upgrading water supply capabilities [2][3]. - A new "5025 grid + meteorology" disaster prevention model has been established to enhance disaster risk management and information dissemination [4][5]. Group 2: Infrastructure and Technology - Over 5,000 underground spaces are undergoing flood prevention capability enhancements, and a technical guide for underground flood prevention has been issued [5][6]. - The city has built 421 rain gauge stations and 329 hydrological monitoring stations to improve rainfall monitoring and flood forecasting capabilities [4][5]. - Shenzhen is exploring the integration of artificial intelligence with drainage models to enhance flood prediction accuracy [4][5]. Group 3: Community Engagement and Risk Management - The city is initiating climate resilience community pilot projects in urban villages to address climate risks and enhance community participation in disaster preparedness [8][9]. - A new "meteorology + insurance" risk reduction mechanism has been launched to improve disaster risk management through data integration and innovative insurance solutions [9][10]. - The city emphasizes the importance of public awareness and community involvement in disaster response through training and emergency drills [9][10]. Group 4: Challenges and Future Directions - Shenzhen faces challenges in balancing engineering standards with cost-effectiveness while addressing the increasing frequency of extreme weather events [2][5]. - The city is focusing on a closed-loop system for risk management that includes risk identification, prevention, and iterative planning [11][12]. - There is a need for improved coordination among various departments to address urban resilience issues effectively, particularly in infrastructure projects [12][13].