期刊
SUSTAINABLE CITIES AND SOCIETY
卷 57, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.scs.2020.102115
关键词
Natural disaster; Resilience; Economic recovery; Nighttime lights; Empirical assessment; DMSP/OLS
资金
- U.S. National Science Foundation [1940091, 1853866]
- Directorate For Geosciences
- ICER [1940091] Funding Source: National Science Foundation
A major challenge for measuring community resilience is the lack of empirical observations in disasters. As an effective tool to observe human activities on the earth surface, night-time light (NTL) remote sensing images can fill the gap of empirical data for measuring community resilience in natural disasters. This study introduces a quantitative framework to model recovery patterns of economic activity in a natural disaster using the Defense Meteorological Satellite Program-Operational Linescan System (DMSP-OLS) images. The utility of the framework is demonstrated in a retrospective study of Hurricane Katrina, which uncovered the great economic impact of Katrina and spatial variation of the disturbance and recovery pattern of economic activity. Environmental and socio-economic factors that potentially influence economic recovery were explored in statistical analyses. Instead of a static and holistic index, the framework measures resilience as a dynamic process. The analysis results provide actionable information for prompting resilience in diverse communities and in different phases of a disaster. In addition to Hurricane Katrina, the resilience modeling framework is applicable for other disaster types. The introduced approaches and findings increase our understanding about the complexity of community resilience and provide support for developing resilient and sustainable communities.
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