基于灾后恢复过程解析的城市韧性评价体系

为实现对城市韧性的有效评价,本论文在系统研究国际城市韧性评价体系的基础之上,结合中国城市发展的现状,基于对城市灾后实际恢复过程的系统考察,建立了基于恢复过程的城市韧性评价体系。该评价体系通过解析城市灾后恢复过程的四个阶段:救援阶段(Rescue)、避难阶段(Refuge)、重建阶段(Rebuild)、复兴阶段(Revival),从社区与人口(Community and Population)、政府与管理(Official Organization and Management)、住房与设施(Valuable Housing and Facilities)、经济与发展(Economy and Development)、环境与文化(Renewable Environment and Culture)共五个维度,以62项指标对城市的韧性进行系统分析。这一体系可以简称为城市韧性评价的ReCOVER体系,其中“Re”代表了城市恢复的四个阶段,COVER则分别代表了城市韧性的五个维度。进而以该体系为基础,对我国大陆31个省级行政区域的城市韧性进行了五个维度、四个阶段的实证研究,并对城市韧性的提升策略,给出了分析建议。

An urban resilience measurement system based on decomposing post-disaster recovery process

Advancing existing resilience metric systems found in literatures,this study develops a recovery-based resilience measurement framework through a thorough decomposition of the recovery processes in China following major disasters.The proposed measurement framework is characterized by a multi-stage and multi-dimensional structure:that is,1)it measures resilience by investigating post-disaster recovery in four stages:rescue,refuge,rebuild and revival;and 2)through five dimensions:community and population,official organization and management,valuable housing and facilities,economy and development,renewable environment and culture.Such a categorization leads to a selection of 62 indicators to collectively measure a city’s recovery capability and disaster resilience in a holistic manner.This framework is referred herein as ReCOVER,where the“Re”represents the four recovery stages and the“COVER”is the acronym of the five major dimensions of urban resilience.To illustrate the practical implementation of the framework,the ReCOVER is utilized to assess the disaster resilience of the 31 provinces in China's Mainland and possible resilience enhancement strategies are further discussed.