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气象:2012,38(9):1053-1059
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一个改进的理想大气太阳辐射计算模型
(陕西省气候中心,西安 710015)
An Improved Daily Solar Radiation Model in Ideal Atmosphere
(Shaanxi Climate Centre, Xi’an 710015)
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投稿时间:2011-09-15    修订日期:2012-05-29
中文摘要: 文章选取多个国外应用广泛、得到公认并且其主要的大气消减过程都有单独的透射率公式的宽广谱太阳辐射机理模型,在理想大气下将各模型的透射率(TR、TO、TUM)以及直接辐射、散射辐射与精确的谱模型SMARTS逐一进行严格的比较、评述。在此基础上选取模型精确度较高的METSTAT模型,对模型中的相对光学质量、臭氧吸收透射率、均一混合气体吸收透射率等存在的缺陷和不足进行逐一修正,获得一个改进的理想大气太阳辐射模型METSTAT_M。经过严格的比较,METSTAT_M模型优于其他模型。
Abstract:In this paper we select 10 broad spectrum solar radiation mechanism models widely used in foreign countries and achieved recognitions, and there are separate transmittance formulas in the main atmospheric attenuation process. The transmission (TR,TO,TUM), direct radiation, and diffuse radiation by selected models in relation to the exact spectrum model SMARTS are compared and reviewed strictly in an ideal atmosphere. On this basis, we then selected the model of high precision METSTAT, and corrected its defects and inadequacies regarding optical mass, transmission rate of ozone absorption and uniformly mixed gas absorption transmittance of the model, then an improved solar radiation model METSTAT_M in an ideal atmosphere is obtained. After a rigorous comparison, it is demonstrated that the METSTAT_M model is superior to other models.
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基金项目:公益性行业(气象)科研专项(GYHY201006036)和2011年陕西省科学技术研究发展计划项目(2011K09 23)共同资助
引用文本:
孙娴,姜创业,程路,王娟敏,何晓嫒,2012.一个改进的理想大气太阳辐射计算模型[J].气象,38(9):1053-1059.
SUN Xian,JIANG Chuangye,CHENG Lu,WANG Juanmin,HE Xiao’ai,2012.An Improved Daily Solar Radiation Model in Ideal Atmosphere[J].Meteor Mon,38(9):1053-1059.