Li, Mao-Fen; Fan, Li; Liu, Hong-Bin; Wu, Wei; Chen, Ji-Long - In: Renewable Energy 44 (2012) C, pp. 431-438
The Ångström-Prescott (A-P) model, a highly rated model, has been widely used to estimate global solar radiation (H) at daily or monthly scales in different locations around the world. However, few studies focused on the interchangeability of the A-P coefficients at different time scales,...