Evapotranspiration Trend and Its Relationship with Precipitation over the Loess Plateau during the Last Three Decades

Table 2

Correlation statistics between predicted ET and observations at four sites in the Loess Plateau.

Site	Fitting coefficient	Correlation coefficient	Root-mean-square error (mm)	Relative error (%)
SACL	0.969	0.94	7.9	18.1
Dingxi	0.834	0.87	9.4	21.5
Pingliang	0.918	0.95	8.4	19.3
Qingyang	0.935	0.96	6.8	22.4

Correlation coefficients passed the significance test at all sites ().