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Estimation of hourly solar radiation at the surface under cloudless conditions on the Tibetan Plateau using a simple radiation model
Alternative TitleEstimation of Hourly Solar Radiation at the Surface under Cloudless Conditions on the Tibetan Plateau Using a Simple Radiation Model
Liang Hong1; Zhang Renhe1; Liu Jingmiao1; Sun Zhian4; Cheng Xinghong5
2012
Source PublicationADVANCES IN ATMOSPHERIC SCIENCES
ISSN0256-1530
Volume29Issue:4Pages:675-689
AbstractIn this study, the clear sky hourly global and net solar irradiances at the surface determined using SUNFLUX, a simple parameterization scheme, for three stations (Gaize, Naqu, and Lhasa) on the Tibetan Plateau were evaluated against observation data. Our modeled results agree well with observations. The correlation coefficients between modeled and observed values were > 0.99 for all three stations. The relative error of modeled results, in average was < 7%, and the root-mean-square variance was < 27 W m(-2).
Other AbstractIn this study,the clear sky hourly global and net solar irradiances at the surface determined using SUNFLUX,a simple parameterization scheme,for three stations(Gaize,Naqu,and Lhasa) on the Tibetan Plateau were evaluated against observation data.Our modeled results agree well with observations.The correlation coefficients between modeled and observed values were > 0.99 for all three stations.The relative error of modeled results,in average was < 7%,and the root-mean-square variance was < 27 W m 2.The solar irradiances in the radiation model were slightly overestimated compared with observation data;there were at least two likely causes.First,the radiative effects of aerosols were not included in the radiation model.Second,solar irradiances determined by thermopile pyranometers include a thermal offset error that causes solar radiation to be slightly underestimated.The solar radiation absorbed by the ozone and water vapor was estimated.The results show that monthly mean solar radiation absorbed by the ozone is < 2% of the global solar radiation(< 14 W m 2).Solar radiation absorbed by water vapor is stronger in summer than in winter.The maximum amount of monthly mean solar radiation absorbed by water vapor can be up to 13% of the global solar radiation(95 W m 2).This indicates that water vapor measurements with high precision are very important for precise determination of solar radiation.
KeywordNUMERICAL WEATHER PREDICTION PRECIPITABLE WATER-VAPOR THERMAL OFFSET SATELLITE MEASUREMENTS ENERGY-BALANCE GPS OZONE VALIDATION RADIOSONDE PARAMETERIZATIONS solar radiation numerical simulation Tibetan Plateau
Indexed ByCSCD
Language英语
Funding Project[National Natural Science Foundation of China]
CSCD IDCSCD:4604718
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/149189
Collection中国科学院金属研究所
Affiliation1.Chinese Acad Meteorol Science, Beijing 100081, Peoples R China
2.中国科学院
3.中国科学院金属研究所
4.Australian Bur Meteorol, Ctr Australian Weather & Climate Res, Melbourne, Vic, Australia
5.China Meteorol Adm, Publ Weather Serv Ctr, Beijing 100081, Peoples R China
Recommended Citation
GB/T 7714
Liang Hong,Zhang Renhe,Liu Jingmiao,et al. Estimation of hourly solar radiation at the surface under cloudless conditions on the Tibetan Plateau using a simple radiation model[J]. ADVANCES IN ATMOSPHERIC SCIENCES,2012,29(4):675-689.
APA Liang Hong,Zhang Renhe,Liu Jingmiao,Sun Zhian,&Cheng Xinghong.(2012).Estimation of hourly solar radiation at the surface under cloudless conditions on the Tibetan Plateau using a simple radiation model.ADVANCES IN ATMOSPHERIC SCIENCES,29(4),675-689.
MLA Liang Hong,et al."Estimation of hourly solar radiation at the surface under cloudless conditions on the Tibetan Plateau using a simple radiation model".ADVANCES IN ATMOSPHERIC SCIENCES 29.4(2012):675-689.
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