Figure 5 (a) Spatial distribution of LST; (b) Spatial distribution of LST among UFZs; (c) Boxplot of landscape metrics of LST among UFZs; (d) Spatial distribution of MTHI; (d) Spatial distribution of WTHI among UFZs; (f) The proportion of MTHI categories among UFZs Note: The blank part in (b) and (e) represents the mountains and lakes.