Table 6.

As Table 5, but for root zone (top 1 m) soil moisture.

Metric	Root Zone Soil Moisture
# Stations	137
Experiment	OPL	NoBC	BC1	BCS	BCV
Bias	0.038 ± 0.015	−0.013 ± 0.016	−0.002 ± 0.016	0.014 ± 0.016	−0.009 ± 0.017
RMSE	0.093 ± 0.008	0.094 ± 0.008	0.092 ± 0.008	0.092 ± 0.008	0.094 ± 0.008
Unbiased RMSE	0.037 ± 0.003	0.040 ± 0.003	0.036 ± 0.002	0.038 ± 0.003	0.038 ± 0.003
Correlation	0.672 ± 0.040	0.685 ± 0.043	0.680 ± 0.043	0.667 ± 0.042	0.677 ± 0.045