Typhoon Risk Perception: A Case Study of Typhoon Lekima in China

台风 自然灾害 危害 人口 中国 地理 感知 自然灾害 环境资源管理 风险感知 环境科学 气象学 人口学 心理学 生态学 社会学 考古 神经科学 生物
作者
Jiting Tang,Saini Yang,Yimeng Liu,Kezhen Yao,Guofu Wang
出处
期刊:International Journal of Disaster Risk Science [Springer Science+Business Media]
卷期号:13 (2): 261-274 被引量:7
标识
DOI:10.1007/s13753-022-00405-6
摘要

Abstract The typhoon is one major threat to human societies and natural ecosystems, and its risk perception is crucial for contextualizing and managing disaster risks in different social settings. Social media data are a new data source for studying risk perception, because such data are timely, widely distributed, and sensitive to emergencies. However, few studies have focused on crowd sensitivity variation in social media data-based typhoon risk perception. Based on the regional disaster system theory, a framework of analysis for crowd risk perception was established to explore the feasibility of using social media data for typhoon risk perception analysis and crowd sensitivity variation. The goal was to quantitatively analyze the impact of hazard intensity and social and geographical environments on risk perception and its variation among population groups. Taking the Sina Weibo data during Typhoon Lekima of 2019 as an example, we found that: (1) Typhoon Lekima-related Weibo public attention changed in accordance with the evolution of the typhoon track and the number of Weibo posts shows a significantly positive correlation with disaster losses, while socioeconomic factors, including population, gross domestic product, and land area, are not explanatory factors of the spatial distribution of disaster-related Weibo posts; (2) Females, nonlocals with travel plans, and people living in areas with high hazard intensity, low elevation, or near waterbodies affected by Lekima paid more attention to the typhoon disaster; and (3) Descriptions of rainfall intensity by females are closer to the meteorological observation data.
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