Comparison of the Applicability of Two Reanalysis Products in Estimating Tall Tower Wind Based on Multiple Linear Regression and Artificial Neural Network in South China

Table 5

Comparisons of the performance results for the U/V components of wind.

	ERA5				MERRA2
	MLR		ANN		MLR		ANN
	U95 (m/s)	RE (%)	U95 (m/s)	RE (%)	U95 (m/s)	RE (%)	U95 (m/s)	RE (%)
U component of wind
T1	0.250	9.9	0.246	11.6	0.247	11.3	0.243	12.1
T2	0.223	11.5	0.217	13.4	0.219	12.2	0.216	16.3
T3	0.311	6.9	0.307	8.4	0.310	5.1	0.301	9.4
T4	0.204	18.9	0.204	18.6	0.234	18.2	0.230	19.1
Average	0.247	11.8	0.244	13.0	0.252	11.7	0.247	14.2
V component of wind
T1	0.269	13.1	0.269	14.3	0.272	14.0	0.271	13.9
T2	0.271	26.1	0.266	28.8	0.275	24.7	0.270	28.8
T3	0.296	13.8	0.292	17.6	0.295	12.4	0.289	17.0
T4	0.293	39.8	0.292	41.1	0.341	35.0	0.338	37.8
Average	0.282	23.2	0.280	25.4	0.296	21.5	0.292	24.3