数字农科院2.0

Economic footprint assessment of storm surge disasters in China based on disastrously-extended input-output analysis

文献类型： 外文期刊

作者： Han, Rui;Yin, Kedong;Dai, Xin;Li, Huishang;Zhou, Shiwei

作者机构：

关键词： storm surge disasters;economic footprint;disaster prevention and mitigation policy;economic loss diffusion;input-output model

期刊名称： FRONTIERS IN MARINE SCIENCE

ISSN：

年卷期： 2025 年 12 卷

页码：

收录情况： SCIE（2025版）

摘要： Introduction Escalating climate change has intensified storm surge disasters in China, whose economic repercussions are not confined to coastal areas but cascade nationwide through industrial supply chains. However, existing research overlooks these nationwide implications.Methods To address this gap, this paper proposes an innovative assessment framework for evaluating the economic footprint of storm surge disasters, quantifies the indirect economic losses inflicted by storm surge disasters in China from 2011 to 2020 and further trace the diffusion of these losses across various industries and regions by developing a disastrously-extended input-output model.Results The findings reveal that indirect economic losses constituted over 60% of the total economic losses from storm surge disasters during the aforementioned period. Interestingly, regions remote from the direct impact of the storm surge disasters were not immune to their effects. Among these, Henan Province emerged as the inland area most severely impacted by storm surge disasters, while the northwest and southwest regions typically experienced minimal indirect economic losses. Furthermore, the majority of the indirect economic losses originated from the Resource Processing Industry and Service Department of the directly affected regions, and the secondary industry of the potentially affected regions.Discussion These findings demonstrate the inadequacy of localized disaster policies and underscore the urgent need for a nationwide resilience strategy focused on critical supply chain vulnerabilities.

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