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首页> 外文期刊>Theoretical and applied climatology >Assessing the performance of global solar radiation empirical formulations in Kampala, Uganda
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Assessing the performance of global solar radiation empirical formulations in Kampala, Uganda

机译：评估乌干达坎帕拉的全球太阳辐射经验公式的表现

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摘要

Solar radiation incident on the Earth's surface is a determining factor of climate on Earth, hence having a proper solar radiation database is crucial in understanding climate processes in the Earth's atmosphere. Solar radiation data may be used in the development of insolation maps, analysis of crop growth and in the simulation of solar systems. Unfortunately, measured solar radiation data may not be available in locations where it is most needed. An alternative to obtaining observed data is to estimate it using an appropriate solar radiation model. The purpose of this study is to assess the performance of thirteen global solar radiation empirical formulations, in Kampala, Uganda, located in an African Equatorial region. The best performing formulations were determined using the ranking method. The mean bias error, root mean square error and t-statistic value were calculated and utilized in the ranking process. Results have shown that the formulation: H/H_0 = a + b(S/S_0) + c(S/S_0)~2 is ranked the highest and therefore is the recommended empirical equation for the estimation of the monthly mean global solar irradiation in Kampala, Uganda and in other African Equatorial locations with similar climate and terrain.
机译：入射到地球表面的太阳辐射是地球气候的决定因素，因此拥有适当的太阳辐射数据库对于理解地球大气中的气候过程至关重要。太阳辐射数据可用于日照图的开发，农作物生长的分析以及太阳系的模拟。不幸的是，在最需要的地方可能无法获得测量的太阳辐射数据。获取观测数据的另一种方法是使用适当的太阳辐射模型对其进行估算。这项研究的目的是评估位于非洲赤道地区乌干达坎帕拉的13种全球太阳辐射经验公式的性能。使用排名方法确定性能最佳的配方。计算平均偏差误差，均方根误差和t统计值，并将其用于排序过程。结果表明，公式H / H_0 = a + b（S / S_0）+ c（S / S_0）〜2排名最高，因此是推荐的经验公式，用于估算月平均全球太阳辐射坎帕拉，乌干达和其他非洲赤道地区，气候和地形相似。

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