基于太阳光谱的NO2浓度反演方法

肖韶荣, 王亚吉

肖韶荣, 王亚吉. 基于太阳光谱的NO2浓度反演方法[J]. 应用光学, 2011, 32(3): 472-476.
引用本文: 肖韶荣, 王亚吉. 基于太阳光谱的NO2浓度反演方法[J]. 应用光学, 2011, 32(3): 472-476.
shu
XIAO Shao-rong, WANG Ya-ji. Inversion of NO2 concentration based on solar spectrum analysis[J]. Journal of Applied Optics, 2011, 32(3): 472-476.
Citation: XIAO Shao-rong, WANG Ya-ji. Inversion of NO2 concentration based on solar spectrum analysis[J]. Journal of Applied Optics, 2011, 32(3): 472-476.
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基于太阳光谱的NO2浓度反演方法

  • 1.

    南京信息工程大学电子与信息工程学院,江苏南京210044;

  • 2.

    南京信息工程大学大气物理学院,江苏南京210044

详细信息
    通讯作者:

    肖韶荣（1958-），男，江西吉安人，博士，教授，博导。主要从事大气环境光电探测技术的研究工作。

  • 中图分类号: O433.4

Inversion of NO2 concentration based on solar spectrum analysis

  • 1.

    School of Electronics&Information Engineering,Nanjing University of InformationScience &Technology ,Nanjing210044,China;

  • 2.

    School of Atmospheric Physics,Nanjing University of Information Science &Technology,Nanjing210044,China

摘要

    摘要
  • 摘要: 构建了一套光谱测量系统，以太阳光为光源，利用高精度成像光谱仪采集太阳光谱，选取某一时刻的太阳光谱为参考，结合当时的污染气体浓度数据，应用差分吸收原理，反演出其他任意时刻的NO2浓度。运用Origin7.5软件进行光谱解析，根据HITRAN数据库绘制吸收截面谱，并获取指定数值的应用，实现了对光谱谱线的定量分析，并且误差小。该反演过程具有光谱处理失真低以及反演参量精度高的特点，一定程度上提高了太阳光谱反演气体浓度的精度。实验结果与其他设备测量结果一致，证实了该方法的可行性。
    Abstract: A spectrum measurement system was built by taking solar as light source. High precision imaging spectrometer was used to collect solar spectrum. A solar spectrum at a specific time was chosen as reference data to inverse concentration of NO2 at another time by combining the concentration of polluted air at that time and applying differential absorption theory. A new method of processing spectrum data was presented. It focuses on the application of origin 7.5 to spectrum analysis as well as the application of drawing the absorption cross section graphs according to HITRAN data base. The above-mentioned data may be used in the quantitative analysis of spectra lines with less error. The process of inversion features high accuracy of spectrum data and inversion parameter, which improves the accuracy of inversion concentration for NO2. The experimental results agree with those of other measurement equipment, which proves the inversion process is feasible.
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    • 参考文献(1)
  • ［1］SOLOMON S,PORTMANN R W,SANDERS R W,et al. On the role of nitrogen dioxide in the absorption of solar radiation［J］. Geophy. Res,1999,104（D10）:12047

    ［2］HOFMANN D,BONASONI P, MAZIERE M D,et al. Intercomparison of UV/visible spectrometers for measurements of stratospheric NO2 for the Network for the Detection of Stratospheric Change［J］. Geophy. Res,1995, 100:16765.
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    ZHOU Bin, LIU Wen-qing, ZHENG Chao-hui, et al. Measurement of NO2 concentration in the atmosphere by sun spectroscopy method［J］. Acta Physica Sinica, 2000,49(12): 2507-2513.(in Chinese with an English abstract)

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    ［7］陈茂兴，郑玉臣，程娟,等. 太阳光谱法差分光学吸收光谱（DOAS）技术测量新疆二氧化氮柱体密度［J］. 光散射学报，2007,19(6):142-150.

    CHEN Mao-xing, ZHENG Yu-chen, CHENG Juan, et al. Solar spectroscopic measurement of nitrogen dioxide column density in Xinjiang by DOAS technique［J］. The Journal of Light Scattering, 2007,19(6):142-150.(in Chinese with an English abstract)

    ［8］WILSON R C. Measurements of solar total irradiance and its variability［J］. Space Sci. Rev., 1984,38: 203-242.
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    ZUO Hao-yi, GAO Jie, CHENG Juan, et al. Measurement of NO2 concentration in atmosphere in Chengdu by solar spectra［J］. Spectroscopy and Spectral Analysis, 2006,26(7):1356-1359. (in Chinese with an English abstract)
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  • 刊出日期:  2011-05-14

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