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大气气溶胶消光后向散射比反演方法研究

陈洁 童奕澄 肖达 张凯 刘崇 刘东

陈洁, 童奕澄, 肖达, 张凯, 刘崇, 刘东. 大气气溶胶消光后向散射比反演方法研究[J]. 中国光学. doi: 10.37188/CO.2021-0135
引用本文: 陈洁, 童奕澄, 肖达, 张凯, 刘崇, 刘东. 大气气溶胶消光后向散射比反演方法研究[J]. 中国光学. doi: 10.37188/CO.2021-0135
CHEN Jie, TONG Yi-cheng, XIAO Da, ZHANG Kai, LIU Chong, LIU Dong. Study on the retrieval methods for extinction-to-backscatter ratio of atmospheric aerosols[J]. Chinese Optics. doi: 10.37188/CO.2021-0135
Citation: CHEN Jie, TONG Yi-cheng, XIAO Da, ZHANG Kai, LIU Chong, LIU Dong. Study on the retrieval methods for extinction-to-backscatter ratio of atmospheric aerosols[J]. Chinese Optics. doi: 10.37188/CO.2021-0135

大气气溶胶消光后向散射比反演方法研究

doi: 10.37188/CO.2021-0135
基金项目: 国家重点研发计划(No. 2016YFC1400900);国家自然科学基金(No. 41775023);浙江省自然科学基金杰出青年项目(No. LR19D050001);中央高校基础科研项目(No. 2021XZZX019);现代光学仪器国家重点实验室创新项目(No. MOI2021ZD01)
详细信息
    作者简介:

    陈 洁(1995—),女,浙江绍兴人,硕士研究生,2018年于山东大学获得学士学位,主要从事大气遥感激光雷达方面的研究。E-mail:21830064@zju.edu.cn

    刘 东(1982—),男,辽宁大连人,博士,教授,博士生导师,2005年、2010年于浙江大学分别获得学士、博士学位,主要从事光电检测与激光雷达等方面的研究。E-mail:liudongopt@zju.edu.cn

  • 中图分类号: TP958.98

Study on the retrieval methods for extinction-to-backscatter ratio of atmospheric aerosols

Funds: Supported by National Key Research and Development Program of China (No. 2016YFC1400900); National Natural Science Foundation of China (No. 41775023); Excellent Young Scientist Program of Zhejiang Provincial Natural Science Foundation of China (No. LR19D050001); Fundamental Research Funds for the Central Universities (No. 2021XZZX019); State Key Laboratory of Modern Optical Instrumentation Innovation Program (No. MOI2021ZD01)
More Information
  • 摘要: 气溶胶消光后向散射比是与气溶胶类型相关的一个重要光学参数,且是米散射激光雷达反演中的关键误差来源之一,近年来随着激光雷达在大气气溶胶探测领域内的快速发展愈发成为研究热点,因此调研消光后向散射比的反演方法对于气溶胶的探测与研究具有很大意义。本文根据使用的仪器及反演原理,对多种大气气溶胶消光后向散射比的反演算法进行了整理归纳,并从光学特性和微物理特性入手将这些方法联系起来。其中,光散射模型法、被动光学遥感法与激光雷达法联系紧密、应用广泛,为大气气溶胶的探测与研究提供了重要支撑。文章重点介绍了这三大类较为主流的反演方法,综述了相关方法的发展历程并分析了适用情况及优缺点,最后展望了未来大气气溶胶消光后向散射比反演技术的发展趋势。
  • 图  1  各类气溶胶EBR反演法之间的联系框图

    Figure  1.  Block diagram of relation between various aerosol EBR inversion methods

    图  2  不同粒子对光的散射示意图

    Figure  2.  Scattering of light by different particles

    图  3  大气辐射传输示意图

    Figure  3.  Schematic diagram of radiation transmission

    图  4  入射激光波长为354.7 nm时的激光雷达大气回波信号光谱分布

    Figure  4.  The spectral distribution of return signals of Lidar with incident wavelength of 354.7 nm

    图  5  CALIOP版本4的平流层气溶胶分类算法

    Figure  5.  Stratosphere aerosol classification algorithm for CALIOP version 4

    图  6  激光雷达后向散射信号频谱,(a)标准后向散射激光雷达,(b)HSRL中附加的频谱识别

    Figure  6.  Spectrum of lidar backscatter signal, (a) standard backscatter lidar, (b) additional spectral discrimination in HSRL

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  • 网络出版日期:  2021-09-10

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