Thermal mechanisms reorganize, not merely attenuate, across the urban–rural gradient: A diurnal analysis of land surface temperature drivers in Changsha, China

Qianjun Wei

doi:10.1016/j.scs.2026.107775

Thermal mechanisms reorganize, not merely attenuate, across the urban–rural gradient: A diurnal analysis of land surface temperature drivers in Changsha, China

2026-08-03

0

PRE

AI

Q

Qianjun Wei

D

Dongxuan Zhou

X

Xinying Yang

W

Wenzhong Zhang

S

Siyu Fan

W

Wenjun Kuang

S

Shuchang Luo

D

De Yu

J

Jie Tan *

DOI：10.1016/j.scs.2026.107775

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Abstract

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• LST-driver structures reorganize diurnally across the urban–rural gradient. • Nighttime attribution remains activity-dominated in UA but broadens in URTZs. • SHAP zero-crossing transition behaviour is most pronounced in URTZs. • Nested 100 m diagnostics link attribution to sub-grid landscape organization. • Findings inform zone-specific heat-mitigation priorities across the gradient.

Thermal mechanisms reorganize, not merely attenuate, across the urban–rural gradient: A diurnal analysis of land surface temperature drivers in Changsha, China

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