CHARACTERISTICS OF HOURLY GLOBAL IRRADIANCE MODELED FROM CLOUD DATA

被引:13
作者
OLSETH, JA
SKARTVEIT, A
机构
[1] Geophysical Institute, Division of Meteorology, University of Bergen, N-5007 Bergen
关键词
D O I
10.1016/0038-092X(93)90097-8
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
A model yielding hourly global irradiance from cloud observations is presented. Tested against independent observations of hourly irradiance, the model yields a correlation coefficient 0.92. The corresponding correlation coefficients for daily and monthly values are 0.975 and 0.998, respectively. The mean bias and root-mean-square errors for hourly data are less than, respectively, 3% and 30% of the average. Moreover, the frequency distributions and the lag one autocorrelations of modelled hourly averages are close to those of the observed data.
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页码:197 / 204
页数:8
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