太阳辐射计实验室定标方法

大气与环境光学学报 ›› 2015, Vol. 10 ›› Issue (4): 333-342.

• “多尺度大气气溶胶综合观测实验”专辑 • 上一篇下一篇

太阳辐射计实验室定标方法

李健军1, 孟凡刚1, 夏茂鹏1, 李正强2, 翟文超1, 李东辉2, 丁蕾1, 郑小兵1, 戚涛1

（1 中国科学院安徽光学精密机械研究所, 中国科学院通用光学定标与表征技术重点实验室，安徽合肥 230031;
2 中国科学院遥感与数字地球研究所，北京 100101）

收稿日期:2015-03-18 修回日期:2015-03-23 出版日期:2015-07-28 发布日期:2015-07-21
通讯作者: 李健军(1978-)，安徽桐城人，博士，副研究员，主要从事光学遥感器高精度定标方法、标准和技术方面的研究工作。 E-mail:jjli@aiofm.ac.cn
作者简介:李健军(1978-)，安徽桐城人，博士，副研究员，主要从事光学遥感器高精度定标方法、标准和技术方面的研究工作。
基金资助:
国家重点基础研究发展计划（973）项目（2010CB950801）、国家自然科学基金项目资助（61275173）资助

Laboratory Calibration Method of Sunphotometer

LI Jianjun1, MENG Fangang1, XIA Maopeng1, LI Zhengqiang2, ZHAI Wenchao1, LI Donghui2, DING Lei1, ZHENG Xiaobing1, QI Tao1

(1 Key Laboratory of Optical Calibration and Characterization, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China;
2 Institute of Remote Sensing and Digital Earth, Chinese Academy of Science , Beijing, 100101, China)

Received:2015-03-18 Revised:2015-03-23 Published:2015-07-28 Online:2015-07-21

摘要/Abstract

摘要：

太阳辐射计是全球AERONET站点最重要的观测设备，为获取全球气溶胶时空分布提供了大量的观测数据。研究一种直接溯源于低温绝对辐射计的高精度定标方法，可以在实验室环境条件下获得太阳辐射计的直射通道和天空漫射通道的定标系数，详细介绍了太阳辐射计实验室定标原理、实验装置，在太阳辐射计的主要工作波段扫描获得绝对光谱响应度定标曲线，并对测量结果进行了不确定度分析。结果表明，天空漫射通道的定标不确定度低于0.8%，太阳直射通道的定标不确定度低于2.06%。

关键词: 气候变化, 太阳辐射计, 实验室定标, 定标精度

Abstract:

Sunphotometer is the most important observation instrument in global AERONET site, which supply a lot of observation data for obtaining time and space distributions of global aerosol. A kind of high accuracy calibration method against cryogenic radiometer is developed in laboratory, calibration coefficient of sun channel and sky diffuser channel can be obtained in the ambient condition of laboratory. The calibration principle and installation are introduced in detail, calibration curve of absolute spectral responsivity are obtained in major spectral channel, and measurement uncertainty is analysed. The result indicated that the uncertainty of calibration coefficient of sky diffuser channel is less than 0.8% and sun channel is less than 2.06%.

Key words: climate change, sunphotometer, laboratory calibration, calibration accuracy

中图分类号:

TP79

李健军孟凡刚夏茂鹏李正强翟文超李东辉丁蕾郑小兵戚涛. 太阳辐射计实验室定标方法[J]. 大气与环境光学学报, 2015, 10(4): 333-342.

LI Jian-Jun, MENG Fan-Gang, XIA Mao-Peng, LI Zheng-Qiang, ZHAI Wen-Chao, LI Dong-Hui, DING Lei, Zheng-Xiao-Bing, QI Tao. Laboratory Calibration Method of Sunphotometer[J]. Journal of Atmospheric and Environmental Optics, 2015, 10(4): 333-342.

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太阳辐射计实验室定标方法

Laboratory Calibration Method of Sunphotometer

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