Global solar radiation estimation based on sunshine duration at plateaus zone, China
作者： Kaijiang Yu , Shiqiong Zhou , Longyun Kang
DOI:
关键词: Coefficient of determination 、 Atmospheric sciences 、 Atmospheric model 、 Mean squared error 、 Sunshine duration 、 Altitude 、 Meteorology 、 Mathematics 、 Exponential function 、 Latitude 、 Sunlight
摘要: A total of 12 models in linear quadratic, cubic, exponential and power forms using only sunshine hours, latitude, altitude were developed compared to estimate the daily global solar radiation on a horizontal surface for 6 weather stations at plateaus zone, China. The basis statistical error tests root mean square (RMSE), bias (MBE), adjusted coefficient determination (R 2 ). For each individual station, errors resulting from better equations are such that R lies between 73.039% Lasa 92.871% Geermu, MBE is under 0.162(MJ/m ) Yushu RSME does not go beyond 3.073(MJ/m Lasa. general equation was established , values vary 84.74% 85.10%,from −0.3747 0.0396 (MJ/m 2.7224 2.7739 respectively. Results show present model can be recommended engineering practice with adequate accuracy.
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