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  • 标题:Human Vulnerability to Landslides
  • 本地全文:下载
  • 作者:William Pollock ; Joseph Wartman
  • 期刊名称:GeoHealth
  • 印刷版ISSN:2471-1403
  • 电子版ISSN:2471-1403
  • 出版年度:2020
  • 卷号:4
  • 期号:10
  • 页码:1-17
  • DOI:10.1029/2020GH000287
  • 语种:English
  • 出版社:John Wiley & Sons, Ltd
  • 摘要:AbstractLandslides pose a devastating threat to human health, killing thousands of people annually. Human vulnerability is a crucial element of landslide risk reduction, yet up until now, all methods for estimating the human consequences of landslides rely on subjective, expert judgment. Furthermore, these methods do not explore the underlying causes of mortality or inform strategies to reduce landslide risk. In light of these issues, we develop a data‐driven tool to estimate an individual's probability of death based on landslide intensity, which can be used directly in landslide risk assessment. We find that between inundation depths of approximately 1–6 m, human behavior is the primary driver of mortality. Landslide vulnerability is strongly correlated with the economic development of a region, but landslide losses are not stratified by gender and age to the degree of other natural hazards. We observe that relatively simple actions, such as moving to an upper floor or a prepared refuge space, increase the odds of survival by up to a factor of 12. Additionally, community‐scale hazard awareness programs and training for citizen first responders offer a potent means to maximize survival rates in landslides.Key PointsMany modern estimates of human vulnerability to landslides rely on subjective judgment and ignore the role of human behaviorWe present a human vulnerability curve that links an individual's probability of death to landslide inundation depthWe find that human behavior drives vulnerability at inundation depths of 0.9–5.9 m and suggest practical actions to reduce personal risk
  • 关键词:landslidevulnerabilityrisk analysismortalityprobability of deathdisaster
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