Spatiotemporal evolution of the thermal environment and influencing factors in Kashgar City’s Urban Expansion
Jiaxing Yan, Wenli Wu, Chunlan Du, Xutong Zhang, Xinyan Sheng
TL;DR
This study examines how urban expansion in Kashgar City affects its thermal environment, revealing patterns and factors driving rising temperatures.
Contribution
The paper introduces a multidimensional analysis of urban expansion and thermal environment interactions in an arid-zone city.
Findings
Kashgar’s urban expansion shows spatial heterogeneity, with rapid peripheral growth and thermal expansion in the township-Mulatibag area.
High-temperature areas in Kashgar increased by 19.55% annually, evolving through three distinct spatial stages.
Impervious surfaces and population density amplify high temperatures, while vegetation and water bodies help mitigate them.
Abstract
Under the dual pressures of global warming and rapid urbanization, the mechanisms governing the evolution of high-temperature environments in arid-zone cities demand systematic analysis. This study investigates the spatiotemporal evolution characteristics and multidimensional influencing factors of urban expansion and thermal environments in the Kashgar region. As a representative city in China’s arid western region, the analysis utilizes multi-source remote sensing data and socioeconomic statistics from 2010 to 2024. Methods including urban expansion indices, surface temperature inversion, and geographic detector models were employed to reveal spatiotemporal patterns linking urban form changes and thermal environments. The findings indicate: (1) Kashgar’s urban expansion exhibits significant spatial heterogeneity, with construction land expansion characterized by stable central areas…
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Taxonomy
TopicsUrban Heat Island Mitigation · Land Use and Ecosystem Services · Tree-ring climate responses