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台风“级联效应”灾害下城乡环境的响应机制与营建策略——基于乐清市虹桥的研究
Urban-Rural Response Mechanism and Construction Strategies in the Face of Cascading Effects of Typhoon Disasters: Research Based on Hongqiao, Yueqing
【摘要】 台风“级联效应”,即灾害事件连锁、多要素相互作用并导致灾害损失累积放大,给受影响地区的城乡环境带来了严峻的挑战,通过适宜性营建减少风险、提高城乡韧性成为重要的人居环境发展目标。以“响应机制—灾变机理—营建策略”为技术路径,针对乐清市虹桥流域城镇组团的“台风—雨洪潮—内涝”级联过程进行实证研究,诠释了海陆基面、流域特征、城乡空间三级尺度驱动灾害级联过程,明确“过程控制”的治理导向,建立平灾结合目标下“水文—地貌—需求”相协同的城乡环境营建单元,揭示出台风“级联效应”灾害下城乡环境的响应机制,进而把握台风的非线性灾变机理,构建城乡环境营建单元的适宜性策略,以期为台风频发区域城乡环境的灾害适应性营建提供策略路径与技术方法。
【Abstract】 The "cascading effect" of typhoons, characterized by a chain of disaster events, multi-factor interactions, and the cumulative amplification of damage, poses significant challenges to urban and rural environments in affected regions, making risk-reduction and resilience-enhancing construction practices critical goals in human settlements development. Following a technical pathway of "Response MechanismCatastrophe Mechanism-Construction Strategy", the paper examines the cascading process of "Typhoon—Rain, Flood, Surge—Waterlogging" in Hongqiao Basin Township Cluster, Yueqing City. Based on an analysis of the cascading process driven by factors in three aspects: the marine-terrestrial interface, watershed characteristics, and urban-rural space, the paper points out the critical importance of process control in local governance. Consequently, it introduces the concept of the urban-rural environmental construction unit, a spatial unit suitable for development and disaster management with integrated hydrology, geomorphology, and demand considerations. The paper sheds light on the urban-rural response mechanism to the cascading effect of typhon disasters. Furthermore, by comprehending the nonlinear catastrophe effects, it helps develop strategies for sustainable urban-rural development in typhoon-prone areas.
【Key words】 typhoon cascading effect; urban-rural environment; response mechanism; catastrophe mechanism; construction strategy;
- 【文献出处】 城市规划学刊 ,Urban Planning Forum , 编辑部邮箱 ,2024年02期
- 【分类号】TU984;P429
- 【下载频次】79