A Spatial Interpolation of Meteorological Parameters considering Geographic Semantics

Table 10

Comparison of interpolation accuracy of 5 kinds of interpolation methods on Aug. 9, 2013.

Study area	Forecasting methods	Forecast time	Aug. 9, 2013
		RMSE	MAE	MAPE (%)	RVAR
Study area-1	S-IDW	1.531	1.234	1.252	0.827
	IDW	1.955	1.537	0.781	0.870
	Kriging	2.290	1.977	1.818	0.605
	Natural	2.340	1.509	1.253	0.983
	Spline	3.233	2.177	0.057	1.450