Comparative Analysis of Global Solar Radiation Models in Different Regions of China
Table 3
Statistics performances of the 12 models in estimating global solar radiation in North China.
Stations
Evaluation index
AP
OG
Jin
BA
LO
GM
EM
AH
DL
HS
AN
BC
Beijing
RMSE
RRMSE
NS
MAE
2.986
Laoting
RMSE
RRMSE
NS
MAE
2.665
Taiyuan
RMSE
RRMSE
NS
MAE
3.370
Average
RMSE
RRMSE
NS
MAE
GPI
Rank
10
Note. , NS, and GPI are dimensionless; RRMSE is a percentage (%); RMSE and MAE are both in MJ m−1 d−1; means a statistically significant correlation () (the same as shown in Tables 4–9).
