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Thermal Environment Effects of Built-Up Land Expansion in Shijiazhuang

Author

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  • Ling Qin

    (International Science and Technology Cooperation Base of Hebei Province, Hebei International Joint Research Center for Remote Sensing of Agricultural Drought Monitoring, Hebei GEO University, Shijiazhuang 050031, China
    Hebei Province Collaborative Innovation Center for Sustainable Utilization of Water Resources and Optimization of Industrial Structure, Hebei GEO University, Shijiazhuang 050031, China
    School of Land Science and Space Planning, Hebei GEO University, Shijiazhuang 050031, China)

  • Han Liu

    (School of Land Science and Space Planning, Hebei GEO University, Shijiazhuang 050031, China)

  • Guofei Shang

    (International Science and Technology Cooperation Base of Hebei Province, Hebei International Joint Research Center for Remote Sensing of Agricultural Drought Monitoring, Hebei GEO University, Shijiazhuang 050031, China
    Hebei Province Collaborative Innovation Center for Sustainable Utilization of Water Resources and Optimization of Industrial Structure, Hebei GEO University, Shijiazhuang 050031, China
    School of Land Science and Space Planning, Hebei GEO University, Shijiazhuang 050031, China)

  • Huicai Yang

    (Hebei Province Collaborative Innovation Center for Sustainable Utilization of Water Resources and Optimization of Industrial Structure, Hebei GEO University, Shijiazhuang 050031, China
    School of Land Science and Space Planning, Hebei GEO University, Shijiazhuang 050031, China)

  • Haiming Yan

    (Hebei Province Collaborative Innovation Center for Sustainable Utilization of Water Resources and Optimization of Industrial Structure, Hebei GEO University, Shijiazhuang 050031, China
    School of Land Science and Space Planning, Hebei GEO University, Shijiazhuang 050031, China)

Abstract

Exploring the thermal environment effects of built-up land expansion can lay a firm foundation for urban planning and design. This study revealed the spatiotemporal dynamic characteristics of built-up land and heat island center points in Shijiazhuang using land-use/land-cover data and land surface temperature (LST) products from 1996 to 2019, and the response mechanism between the percentage of built-up land (PLAND) and LST with the grid sampling method and statistical analysis. Results indicated that heat islands are mainly clustered in the downtown, built-up areas of counties and the Hutuo River Basin. The spatiotemporal shift direction of the center point of the urban heat island (UHI) and built-up land in the whole study area varied due to the eco-environmental transformation of the Hutuo River Basin. In areas far from the Hutuo River Basin, the center points of UHI and built-up land were shifted in a similar direction. There is a remarkable linear correlation between the PLAND and LST, the correlation coefficient of which was higher than 0.7 during the study period. Areas with PLAND > 60% are urban regions with stronger heat island effects, and areas with PLAND < 55% are villages and towns where the temperature raised more slowly.

Suggested Citation

  • Ling Qin & Han Liu & Guofei Shang & Huicai Yang & Haiming Yan, 2022. "Thermal Environment Effects of Built-Up Land Expansion in Shijiazhuang," Land, MDPI, vol. 11(7), pages 1-15, June.
    • Handle: RePEc:gam:jlands:v:11:y:2022:i:7:p:968-:d:846615
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    References listed on IDEAS

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    1. Liou, Yuei-An & Nguyen, Kim-Anh & Ho, Le-Thu, 2021. "Altering urban greenspace patterns and heat stress risk in Hanoi city during Master Plan 2030 implementation," Land Use Policy, Elsevier, vol. 105(C).
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