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Unraveling the efficiency-equity trade-off in urban heat island mitigation by blue–green–grey space optimization in China

delete2026-07-09
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Z
Zhongwei Liu *
DOI：10.1016/j.uclim.2026.103041delete
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Abstract

Abstract

En 中文
• XGBoost-SHAP shows blue, green, and grey spaces explain ∼83% of UHI variance. • A physically constrained 3D Convex Hull model quantifies mitigation boundaries. • Thermal patterns reveal phenological, radiational and thermostatic mechanisms. • Efficiency optimization yields 2.23 °C cooling but exacerbates spatial inequity. • Expanding footprint offers 1.83 °C cooling while promoting equity.
Keywords:
Urban heat islands
Urban management
Space optimization
Climate change mitigation
Equity

Journal

Urban Climate cover
Urban Climate
IF:
6.9
Papers:
2.6K
Citations:
1.2W

Organization

C
chinese academy of sciences
Scholars:
54.9W
Papers: 44.5W
Citations: 703
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