Spatial and Temporal Soil Moisture Variations over China from Simulations and Observations

Table 2

The RMSE and bias between simulated monthly mean and measured SM of each layer over the subregions (unit: m³/m³).

Regions	0–10 cm		10–20 cm		20–30 cm		30–50 cm		0–50 cm
	RMSE	Bias	RMSE	Bias	RMSE	Bias	RMSE	Bias	RMSE	Bias
R1	0.067	0.062	0.039	0.028	0.032	0.013	0.03	0.004	0.035	0.022
R2	0.09	0.084	0.088	0.081	0.093	0.088	0.1	0.095	0.094	0.09
R3	0.094	0.083	0.068	0.054	0.059	0.045	0.041	0.022	0.057	0.044