Impact of Direct Soil Moisture and Revised Soil Moisture Index Methods on Hydrologic Predictions in an Arid Climate

Table 3

Values of the indices used for the evaluation of the models’ accuracy during model calibration and validation.

Index analysis	Calibration-validation
	SMI method	SMCII method
NS	0.40–0.51	0.66–0.71
RMSE (m^3/s)	50.2–36.2	36.9–27.6
-factor	0.57–0.5	0.5–0.5
-factor	0.16–0.06	0.18–0.17