2007—2011年塔克拉玛干沙漠腹地太阳辐射观测研究  

Observational Study of Solar Radiation on Taklimakan Desert Hinterland from 2007 to 2011

作　　者：买买提艾力.买买提依明 金莉莉[2] 李振杰 缪启龙[2] 何清[1] 

机构地区：[1]中国气象局乌鲁木齐沙漠气象研究所,乌鲁木齐830002 [2]南京信息工程大学应用气象学院,南京210044 [3]云南省临沧市气象局,临沧677099

出　　处：《气候变化研究进展》2014年第2期87-94,共8页Climate Change Research

基　　金：国家自然科学基金(41175140);公益性行业专项(GYHY201306066)

摘　　要：利用塔克拉玛干沙漠塔中大气环境观测试验站2007年1月至201 1年12月总辐射、散射辐射和直接辐射观测资料,分析了塔克拉玛干沙漠腹地太阳总辐射、散射辐射和水平面直接辐射的主要特征。结果表明:塔克拉玛干沙漠腹地总辐射、散射辐射和水平面直接辐射平均年总量分别为6619.0、3507.8和2203.5 MJ·m^(-2)。典型晴天总辐射日峰值分别为散射辐射的2.4倍和直接辐射的1.5倍。沙尘暴天散射辐射值增加到与总辐射基本一致,而直接辐射衰减最明显。当太阳高度角>20°时,散射辐射随总云量的增加而增大,且秋、冬两季增幅明显。In order to reveal the essential feature of radiation in extreme arid region of Northwest China,the characteristics of global radiation,direct radiation and diffuse radiation were analyzed by using solar irradiance observation data and meteorological data from January,2007 to December,2011.The results show that the annual total of global radiation,diffuse radiation and direct radiation were 6619.0,3507.8,2203.5 MJ · m-2,respectively.The daily peak of global radiation is 2.4 times of diffuse radiation and 1.5 times of direct radiation in the clear day.In the sand storm day,the value of diffuse radiation increases to be consistent with the global radiation,and direct radiation attenuation is obvious.Diffuse radiation increases with the total cloud amount rise when the solar zenith angle is higher than 20°,and it increases significantly in autumn and winter.

关 键 词：塔克拉玛干沙漠 总辐射 散射辐射 直接辐射 

分 类 号：P412.14[天文地球—大气科学及气象学]