首页> 中文期刊> 《安徽农业科学》 >格尔木太阳辐射气候特征及其与气象因子的关系

格尔木太阳辐射气候特征及其与气象因子的关系

         

摘要

Using solar radiation data and contemporaneous meteorological data during 1981-2015 , adopting meteorological statistics method , the variation law of solar radiation in Glomud in recent 35 years and its correlation with meteorological factors were analyzed .The results showed that the overall trend of Golmud direct radiation in recent 35 years is similar to annual total radiation,but the amplitude of direct radiation is lar -ger than total radiation.Although the variation trend of total radiation is not obvious , the percentage of direct radiation to total radiation has obvi-ous phasic change;the annual change curve of total radiation presents double peak type ,radiation in spring is more than that in autumn .Monthly total solar radiation are mainly correlated with sunshine, total colud cover, water vapor pressure, relative humidity, evaporation capacity, low cloud cover, among which, sunshine, total cloud cover are closely related to total radiation.%利用1981—2015年太阳能辐射资料和同期气象资料,采用气象统计学方法,对近35年格尔木太阳能辐射变化规律及其与气象因子的相关性进行分析。结果表明,近35年来格尔木直接辐射的总体走势与年总辐射相近,但直接辐射的变幅大于总辐射。近35年虽然总辐射的变化趋势不明显,但直接辐射占总辐射的百分率存在明显的阶段性变化;总辐射年变化曲线呈双峰型,且春季比秋季多。月太阳总辐射主要与日照、总云量、水汽压、相对湿度、蒸发量、低云量等因素相关,其中日照、总云量与总辐射相关性较好。

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