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Spatiotemporal Evolution and Socioeconomic Impacts of Rainstorms and Droughts in Contiguous Poverty-Stricken Areas of China

Author

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  • Aiwei Li

    (Institute for Disaster Risk Management, Nanjing University of Information Science and Technology, Nanjing 210044, China
    School of Geographical Science, Nanjing University of Information Science and Technology, Nanjing 210044, China)

  • Shuyuan Gao

    (Institute for Disaster Risk Management, Nanjing University of Information Science and Technology, Nanjing 210044, China
    School of Geographical Science, Nanjing University of Information Science and Technology, Nanjing 210044, China)

  • Miaoni Gao

    (Institute for Disaster Risk Management, Nanjing University of Information Science and Technology, Nanjing 210044, China
    School of Geographical Science, Nanjing University of Information Science and Technology, Nanjing 210044, China)

  • Xueqing Wang

    (Institute for Disaster Risk Management, Nanjing University of Information Science and Technology, Nanjing 210044, China)

  • Hongling Zhang

    (Institute for Disaster Risk Management, Nanjing University of Information Science and Technology, Nanjing 210044, China
    School of Geographical Science, Nanjing University of Information Science and Technology, Nanjing 210044, China)

  • Tong Jiang

    (Institute for Disaster Risk Management, Nanjing University of Information Science and Technology, Nanjing 210044, China
    School of Geographical Science, Nanjing University of Information Science and Technology, Nanjing 210044, China)

  • Jing Yang

    (State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China
    Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China)

Abstract

To consolidate the achievements in the elimination of absolute poverty in China and prevent rural populations from returning to poverty as a result of meteorological disasters, this study analyzed the spatiotemporal characteristics of rainstorms and droughts and their socioeconomic impacts on China’s contiguous poverty-stricken areas (CPSAs) from 1984 to 2019. The annual number of rainstorms and drought days in CPSAs of China reached approximately 1.9 days/year and 44.6 days/year, respectively. It gradually decreased from southeast to northwest. Rainstorms showed a significant increasing trend of 0.075 days/decade, while there is no significant trend in drought days. Due to rainstorms and droughts, the average annual number of people affected and direct economic losses in CPSAs reached 34 million people/year and 29 billion Chinese yuan/year, accounting for 22.9% and 12.6% of China’s total amounts, respectively. The average annual loss rate due to disasters in this region reached 1.6%, which is 0.6% higher than the national level. Furthermore, the distinct features and socioeconomic impacts of rainstorms and droughts were identified on the southeastern and northwestern sides of the population density line (PDL) along Tengchong-Aihui in China. Droughts have often impacted the regions located along the PDL, while rainstorms and droughts have occurred more frequently in the regions to the southeast of the PDL than in the regions to the northwest of the PDL. As a result, the affected population and direct economic losses due to rainstorms and droughts in the regions to the southeast of the PDL were 8.8 and 9.2 times and 3.3 and 7.4 times higher, respectively, than those in the regions on the other side of the PDL. Although the losses were greater, the disaster resistance capabilities were significantly improved in these regions. In contrast, the regions to the northwest side of the PDL exhibited a significant increasing trend in losses with a relatively low disaster resistance capabilities. This study revealed that it is necessary to improve the capability of meteorological disaster prevention and reduction in China’s CPSAs, especially in the regions to the west of the PDL, which could further contribute to the realization of United Nations Sustainable Development Goals.

Suggested Citation

  • Aiwei Li & Shuyuan Gao & Miaoni Gao & Xueqing Wang & Hongling Zhang & Tong Jiang & Jing Yang, 2022. "Spatiotemporal Evolution and Socioeconomic Impacts of Rainstorms and Droughts in Contiguous Poverty-Stricken Areas of China," Sustainability, MDPI, vol. 14(16), pages 1-14, August.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:16:p:9927-:d:885669
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    References listed on IDEAS

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    1. Dorte Verner & Jakob Kronik, 2010. "Indigenous Peoples and Climate Change in Latin America and the Caribbean," World Bank Publications - Books, The World Bank Group, number 2472, December.
    2. Azreen Karim & Ilan Noy, 2016. "Poverty and Natural Disasters: A Meta-Regression Analysis," Review of Economics and Institutions, Università di Perugia, vol. 7(2).
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    Cited by:

    1. Shuangming Yin & Xiaojuan Chen & Xiangyu Zhou & Chao Chen & Jianxu Liu, 2023. "Effect of Micro-Credit for Poverty Alleviation on Income Growth and Poverty Alleviation—Empirical Evidence from Rural Areas in Hebei, China," Agriculture, MDPI, vol. 13(5), pages 1-17, May.

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