A Spatial Interpolation of Meteorological Parameters considering Geographic Semantics

Table 19

Comparison of interpolation accuracy of 5 kinds of interpolation methods on Jul. 10, 2013.

Study area	Forecasting methods	Forecast time	Jul. 10, 2013
		RMSE	MAE	MAPE (%)	RVAR
Study area-2	S-IDW	1.451	1.307	0.021	0.695
	IDW	2.303	2.083	0.982	0.835
	Kriging	2.345	2.047	0.667	0.870
	Natural	2.315	1.953	0.577	0.813
	Spline	3.894	3.048	0.861	1.753