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Spatiotemporal Variations in Meteorological Disasters and Vulnerability in China During 2001–2020

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Type de ressource
Article de revue
Auteurs/contributeurs
  • Li, Ying (Auteur)
  • Zhao, Shanshan (Auteur)
  • Zhao, Shiqiang (Auteur)
  • Wang, Guojie (Auteur)
Titre
Spatiotemporal Variations in Meteorological Disasters and Vulnerability in China During 2001–2020
Résumé
Based on the Yearbook of Meteorological Disasters in China, we analyzed the spatiotemporal variations in major meteorological disaster (MD) losses at the provincial scale during 2001–2020 to determine the spatiotemporal variations in MDs and vulnerability in China. Our results suggest that the impacts of MDs, including floods, droughts, hail and strong winds (HSs), low temperature and frosts (LTFs), and typhoons, have been substantial in China. MDs in China affect an average of 316.3 million people and 34.3 million hectares of crops each year, causing 1,739 deaths and costing 372.3 billion yuan in direct economic losses (DELs). Floods and droughts affected more of the population in China than the other MDs. Fatalities and DELs were mainly caused by floods, and the affected crop area was mainly impacted by drought. The national average MD losses decreased significantly, except for DELs. The trends in the affected population and crop area were mainly caused by droughts, and the trends in fatalities and DELs were dominated by floods. Floods and typhoons showed increasing influence in the last two decades relative to other disasters. The annual mean and long-term trends in MD losses exhibited regional heterogeneity and were subject to different dominant hazards in different regions. The disaster losses and their trends in southeastern China were mainly attributed to typhoons. The affected population, crop area, and DELs were all significantly and positively correlated with exposure. The vulnerability of the population, crops, and economy tended to decrease. Economic development reduced the vulnerability of the population and economy but showed no significant influence on the vulnerability of crops. Our findings suggest that more focus should be placed on the impacts of floods and typhoons and that socioeconomic development has an important influence on the vulnerability of the population and economy. These results provide a foundation for designing effective disaster prevention and mitigation measures.
Publication
Frontiers in Earth Science
Volume
9
Date
2021-12-14
DOI
10.3389/feart.2021.789523
Extra
DOI: 10.3389/feart.2021.789523 MAG ID: 4200618679
Référence
Li, Y., Zhao, S., Zhao, S., & Wang, G. (2021). Spatiotemporal Variations in Meteorological Disasters and Vulnerability in China During 2001–2020. Frontiers in Earth Science, 9. https://doi.org/10.3389/feart.2021.789523
Axes du RIISQ
  • 1 - aléas, vulnérabilités et exposition
  • 4 - réduction des vulnérabilités
Lien vers cette notice
https://bibliographies.uqam.ca/riisq/bibliographie/8CWBJXD6
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