总辐射表两种现场校准方法的比较  

Comparison Between Two Field Calibration Methods of Pyranometer

作　　者：权继梅[1] 丁蕾[2] 郑向东[1] 杨云[2] 王冬[2] 

机构地区：[1]中国气象科学研究院,北京100081 [2]中国气象局气象探测中心,北京100081

出　　处：《气象》2010年第9期116-119,共4页Meteorological Monthly

基　　金：中国气象局城市气象研究所2005年度开放项目(UMRF200508)资助

摘　　要：分析一次在北京上甸子区域大气本底站的总辐射表的两种校准方法的比较。结果表明:以工作级标准的CM22总辐射表所确定的各类总辐射表灵敏度系数接近以H-F腔体直接辐射表的校准结果,两者之间的差别没有超过±0.1μV·W^(-1)·m^2,辐照度值的差别基本上在±5 W·m^(-2)以内。携带和操作比较方便的CM22表用于校准大气本底站的总辐射表,测量精度达到现有BSRN站对辐射表的要求。Calibration measurements of pyranometers at the Shang Dianzi Regional GAW（Global Atmospheric Watch） Station are presented in this manuscript.The results show that the sensitivity of pyranometer determined by the CM22 is very agreeable to those determined by HF cavity radiometer which is used as a standard for pyranometers.The difference of the sensitivities determined by two standards is no more than±0.1μV·W^（-1）·m^2,and the difference of their induced solar shortwave irradiances is generally within±5 W·m^（-2）.In summery,the portable CM22 pyranometer can be used as the reference of pyranometer in GAW field calibration,and their calibration sensitivities satisfy with accuracy requirement of the BSRN（Baseline Surface Radiation Network） operations.

关 键 词：校准 总辐射表 方法比较 

分 类 号：TK51[动力工程及工程热物理—热能工程]