[1]刘耀辉,刘文毅,李晓丽,等.基于夜间灯光数据的四川省城市韧性时空演变及其关联性分析[J].华南地震,2024,(04):77-86.[doi:10.13512/j.hndz.2024.04.09]
 LIU Yaohui,LIU Wenyi,LI Xiaoli,et al.Spatiotemporal Evolution and Correlation Analysis of Urban Resilience in Sichuan Province Based on Nighttime Light Data[J].,2024,(04):77-86.[doi:10.13512/j.hndz.2024.04.09]
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基于夜间灯光数据的四川省城市韧性时空演变及其关联性分析()
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华南地震[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2024年04期
页码:
77-86
栏目:
地震与地质灾害
出版日期:
2024-12-30

文章信息/Info

Title:
Spatiotemporal Evolution and Correlation Analysis of Urban Resilience in Sichuan Province Based on Nighttime Light Data
文章编号:
1001-8662(2024)04-0077-10
作者:
刘耀辉1刘文毅1李晓丽2魏本勇3李志强2
1.山东建筑大学测绘地理信息学院,济南 50101;2.中国地震台网中心,北京 100045;3.中国地震局地质研究所,北京 100029
Author(s):
LIU Yaohui1LIU Wenyi1LI Xiaoli2WEI Benyong3LI Zhiqiang2
1.School of Surveying and Geo-Informatics, Shandong Jianzhu University , Jinan 250101, China;2.China Earthquake Networks Center , Beijing 100045, China;3.Institute of Geology , China Earthquake Administration , Beijing 100029, China
关键词:
四川省韧性评估空间分析夜间灯光莫兰指数
Keywords:
Sichuan ProvinceResilience assessmentSpatial analysisNighttime lightMoran index
分类号:
P315.941
DOI:
10.13512/j.hndz.2024.04.09
文献标志码:
A
摘要:
四川省灾害频繁,且灾害链复杂,评估四川省城市韧性对其韧性城市建设和防灾减灾具有重要作用。本研究采用强制判定法、变异系数法以及莫兰指数法,从社会、经济和基础设施三个维度构建城市韧性评估模型,并结合“类NPP-VIIRS”夜间灯光数据构建韧性指数与夜间灯光指数拟合模型,研究2010—2020年四川省21个市级行政区的城市韧性时空演变特征及其关联性。研究表明:时间尺度上,2010—2020年四川省城市韧性指数均值由0.191升高到0.229,表明各个城市的韧性指数变化幅度小,但都有一定的提升;空间尺度上,成都市属于高韧性,其余城市均属于低韧性或较低韧性。韧性发展呈现“环形”趋势;2016年以后,除2019年外,其他年份均呈现空间负相关性,大部分城市空间集聚现象不明显。成都市韧性持续提升,对周边城市的影响表现为“虹吸效应”;城市韧性与夜间灯光指数存在正比例关系,拟合模型的相关系数R2为0.864。此研究可为四川省韧性城市建设和防灾减灾提供数据参考和科学依据。
Abstract:
As Sichuan Province has frequent disasters and complex disaster chains, the assessment of urban resilience in Sichuan Province plays an important role in the construction of resilient cities and disaster prevention and mitigation. This study used the mandatory determination method,coefficient of variation method,and Moran index method to construct an urban resilience assessment model from three dimensions of society,economy,and infrastructure, and combined the NPP-VIIRS-like nighttime light data to construct the resilience index and the nighttime light index fitting model, so as to study the spatiotemporal evolution characteristics of urban resilience and its correlation among 21 municipal-level administrative districts in Sichuan Province from 2010 to 2020. The study shows that on the time scale,the average value of the urban resilience index in Sichuan Province from 2010 to 2020 increases from 0.191 to 0.229,indicating that the resilience index of each city has small changes,but all of them have a certain degree of improvement. On the spatial scale,Chengdu City belongs to high resilience,and the rest of the cities belong to low resilience or lower resilience. The development of resilience presents a“circular” trend. After 2016,except for 2019,all other years show negative spatial correlation,and the spatial clustering phenomenon of most cities is not obvious. The resilience of Chengdu City continues to improve,and its influence on neighboring cities is characterized by the “siphonic effect”. There is a positive relationship between urban resilience and nighttime light index, and the correlation coefficient R2 of the fitting model is 0.864. This study can provide data references and a scientific basis for the construction of resilient cities in Sichuan Province and disaster prevention and mitigation.

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备注/Memo

备注/Memo:
收稿日期:2024-05-26
基金项目:国家自然科学基金项目(42201077,42177453);中国博士后科学基金资助项目(2023M732105);山东省自然科学基金项目(ZR2021QD074);山东省高等学校“青创团队计划”项目(2024KJH087)联合资助。
作者简介:刘耀辉(1991-),男,博士后,副教授,主要从事遥感信息提取、深度学习技术及灾害管理等方面的研究。E-mail:liuyaohui20@sdjzu.edu.cn
通信作者:李晓丽(1982-),女,博士,高级工程师,主要从事灾害信息处理技术、地震灾害评估等方面的研究。E-mail:lixiaoli@seis.ac.cn
更新日期/Last Update: 2024-12-30