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Examining the Impact of China’s Poverty Alleviation on Nighttime Lighting in 831 State-Level Impoverished Counties

Author

Listed:
  • Yiguo Shen

    (School of Public Administration, Sichuan University, Chengdu 610065, China)

  • Xiaojie Chen

    (School of Public Administration, Sichuan University, Chengdu 610065, China)

  • Qingxin Yao

    (School of Public Administration, Sichuan University, Chengdu 610065, China)

  • Jiahui Ding

    (School of Public Administration, Sichuan University, Chengdu 610065, China)

  • Yuhan Lai

    (School of Public Administration, Sichuan University, Chengdu 610065, China)

  • Yongheng Rao

    (School of Public Administration, Sichuan University, Chengdu 610065, China)

Abstract

China’s poverty alleviation projects have made significant contributions to global poverty eradication. This study investigates the impact of China’s poverty alleviation projects on nighttime lighting in 831 state-level impoverished counties using the “NPP-VIIRS-like” dataset and discusses the difference of land use change under different nighttime light clusters in order to provide reference for future policy formulation and implementation. Our results show that the growth of total intensity of nighttime lighting (GRTNL) and the year-on-year growth rate of total intensity of nighttime lighting (YGRTNL) in China’s impoverished counties are 103.74% and 9.69% from 2013 to 2021, respectively, which are both higher than the average levels of all counties (67.16%, 6.77%) and non-poor counties (64.68%, 6.56%) in China during the same period. Additionally, we discovered that impoverished counties that lifted out of poverty earlier had significantly higher nighttime lighting intensity than those later. Regional analysis reveals that the growth of nighttime lighting intensity shows a trend of decreasing from the central (1550.89 nW·cm −2 ·sr −1 ) to the eastern (924.57), western (762.57), and northeastern regions (588.07), while the growth rate decreases from western regions (282.46%) to the eastern (189.13%), central (178.56%), and northeastern (108.07%). We also identified that Gini coefficient of nighttime lighting has a trend of “slow and short-term rise-rapid and continuous decline”. Moreover, nighttime lighting growth had similar trends with land use change, especially construction land. Overall, our study provides novel insights into the relationship between poverty alleviation effects and nighttime lighting in China’s impoverished counties, which could inform future policy-making and research in this area.

Suggested Citation

  • Yiguo Shen & Xiaojie Chen & Qingxin Yao & Jiahui Ding & Yuhan Lai & Yongheng Rao, 2023. "Examining the Impact of China’s Poverty Alleviation on Nighttime Lighting in 831 State-Level Impoverished Counties," Land, MDPI, vol. 12(6), pages 1-17, May.
    • Handle: RePEc:gam:jlands:v:12:y:2023:i:6:p:1128-:d:1155501
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    References listed on IDEAS

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