Spatiotemporal Evolution and Driving Factors of Desertification Sensitivity During Urbanization: A Case Study of the Beijing–Tianjin–Hebei Core Region

Deshen Xu, Haoyu Wu, Qiusheng Yao, Fei Song () and Fangli Su
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Deshen Xu: College of Forestry, Shenyang Agricultural University, Shenyang 110866, China
Haoyu Wu: College of Forestry, Shenyang Agricultural University, Shenyang 110866, China
Qiusheng Yao: College of Water Conservancy, Shenyang Agricultural University, Shenyang 110866, China
Fei Song: College of Water Conservancy, Shenyang Agricultural University, Shenyang 110866, China
Fangli Su: College of Forestry, Shenyang Agricultural University, Shenyang 110866, China

Land, 2025, vol. 14, issue 4, 1-17

Abstract: Desertification sensitivity in semi-arid urbanizing regions remains a critical challenge for sustainable land management. This study analyzes the spatiotemporal dynamics (2018–2022) of desertification sensitivity in the Beijing–Tianjin–Hebei core region using the Normalized Difference Vegetation Index (NDVI), soil texture, the Digital Elevation Model (DEM), and nighttime light data. Using a GIS-based model, we found a decline in overall desertification sensitivity, with vegetation degradation (post-2020) emerging as a key factor. Key recommendations include optimizing urban spatial patterns via ecological red lines, prioritizing vegetation restoration in high-sensitivity zones, and establishing dynamic remote sensing-based monitoring systems. These strategies aim to coordinate urban growth with ecological resilience, offering actionable pathways for semi-arid regions facing similar pressures. Future work should integrate socioeconomic drivers to refine adaptive governance frameworks.

Keywords: desertification sensitivity; urban expansion; NDVI; nighttime lighting; urban sustainability development (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2025
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