Divergent Response of Leaf Coloring Seasons to Temperature Change in Northern China over the Past 50 Years

Table 1

The trend of potential influencing factors and their partial correlation with the start of LCS.

	Trend		Partial correlation coefficient (R)
	Beijing	Xi’an	Beijing	Xi’an
Relative humidity	−0.15 (%/a)	−0.21 (%/a)	−0.31	0.43
Precipitation	0.46 (mm/a)	−1.39 (mm/a)	0.20	0.13
Wind velocity	−0.01 (m/s·a)	0.01 (m/s·a)	−0.04	0.19
Sunshine duration	−0.05 (h/a)	−0.01 (h/a)	−0.17	0.05

^∗p < 0.05; ^∗∗p < 0.01.