基于SCIATRAN模型的大气CO_2敏感性分析
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摘要
SCIATRAN是一种高光谱分辨率辐射传输模型,其参数丰富、调节性强,为反演CO_2浓度提供更可靠的仿真资料。研究采用SCIATRAN模型模拟了不同气溶胶类型、气溶胶光学厚度以及地表类型的CO_2辐射亮度,分析了不同条件下影响CO_2辐射亮度的规律。研究结果表明:气溶胶类型对CO_2辐射亮度的影响比例在8%以内。由于城市型气溶胶成分复杂,对CO_2辐射亮度的影响比乡村型和海洋型气溶胶稍大;气溶胶光学厚度对CO_2辐射亮度的影响比例在-3.52%~42.97%之间,光学厚度越小,CO_2辐射亮度则越大;地表类型对CO_2辐射亮度影响最大,与参考值差值比例最高达166.43%,且CO_2辐射亮度随地表反照率的增强而增强。该研究还通过仿真信号与实测信号的对比,验证了SCIATRAN模型仿真信号的有效性和可行性。
SCIATRAN, providing more reliable simulation data for retrieval of CO_2 concentration, is a high spectral resolution radiative transfer model with rich parameters and easily calibrated. In this article,SCIATRAN was used to simulate the CO_2 radiation intensity of different aerosol types, aerosol optical thickness and surface types, and the regularity of influence of CO_2 radiation intensity under different conditions was analyzed. The results show that: first the influence ratio of aerosol type on CO_2 radiation intensity is less than 8%, because the urban aerosol has complex composition, the effect on CO_2 radiation intensity is slightly larger than that of country type and ocean type aerosol; then, the influence of aerosol optical thickness on CO_2 radiation intensity is-3.52%-+42.97%, and the smaller the optical thickness,the greater the radiation intensity; Last, the surface types have the greatest influence on the CO_2 radiation intensity, and the difference between the result and the reference value is up to 166.43%. The CO_2 radiation intensity increases when the surface albedo increases. This article also verifies the feasibility and effectiveness of the simulation signal based on SCIATRAN by comparing its analog signal to the measured signal.
SCIATRAN, providing more reliable simulation data for retrieval of CO_2 concentration, is a high spectral resolution radiative transfer model with rich parameters and easily calibrated. In this article,SCIATRAN was used to simulate the CO_2 radiation intensity of different aerosol types, aerosol optical thickness and surface types, and the regularity of influence of CO_2 radiation intensity under different conditions was analyzed. The results show that: first the influence ratio of aerosol type on CO_2 radiation intensity is less than 8%, because the urban aerosol has complex composition, the effect on CO_2 radiation intensity is slightly larger than that of country type and ocean type aerosol; then, the influence of aerosol optical thickness on CO_2 radiation intensity is-3.52%-+42.97%, and the smaller the optical thickness,the greater the radiation intensity; Last, the surface types have the greatest influence on the CO_2 radiation intensity, and the difference between the result and the reference value is up to 166.43%. The CO_2 radiation intensity increases when the surface albedo increases. This article also verifies the feasibility and effectiveness of the simulation signal based on SCIATRAN by comparing its analog signal to the measured signal.
引文
[1]Shi Hailing,Xiong Wei,Luo Haiyan,et al.Novel hyperspectral technology for atmospheric carbon dioxide detection[J].Opto-Electronic Engineering,2013,40(8):36-41.(in Chinese)施海亮,熊伟,罗海燕,等.新型超光谱大气CO2遥感探测技术[J].光电工程,2013,40(8):36-41.
[2]Li Y,Zhang C,Liu D,et al.CO2retrieval model and analysis in short-wave infrared spectrum[J].OptikInternational Journal for Light and Electron Optics,2016,127(10):4422-4425.
[3]Eichmann K U,Leventiduo E,Heue K P,et al.Tropical upper tropospheric ozone volume mixing ratios retrieved with the cloud slicing method using SCIATRAN/GOME2 data:methodology,ozone sonde comparisons,and verification of the new S-5P operational processor[C]//ESA Living Planet Symposium,2016.
[4]Li Y,Zhang C,Wang D,et al.Comparison between the ESFT method and LBL method of CO2retrieval for highresolution satellite[C]//The International Conference on Photonics and Optical Engineering and the West China Photonics Conference.International Society for Optics and Photonics,2015.
[5]Liu D,Zhang C,Li Y,et al.The influence of temperature on the simulated high resolution spectra of enhanced SCIATRAN model in near infrared band[J].OptikInternational Journal for Light and Electron Optics,2016,127(18):7292-7299.
[6]Xu Mengchun,Xu Qingshan.Effect of aerosol particle characteristic and vertical distribution on radiation[J].Infrared and Laser Engineering,2016,45(2):0211002.(in Chinese)徐梦春,徐青山.气溶胶粒子特性和垂直分布对辐射的影响[J].红外与激光工程,2016,45(2):0211002.
[7]Karsisto P,Fortelius C,Demuzere M,et al.Seasonal surface urban energy balance and wintertime stability simulated using three land-surface models in the high-latitude city Helsinki[J].Quarterly Journal of the Royal Meteorological Society,2016,142(694):401-417.
[8]Rozanov A,Rozanov V,Buchwitz M,et al.SCIATRAN 2.0-A new radiative transfer model for geophysical applications in the 175-2 400 nm spectral region[J].Advances in Space Research,2005,36(5):1015-1019.
[9]Rozanov V V,Rozanov A V,Kokhanovsky A A,et al.Radiative transfer through terrestrial atmosphere and ocean:Software package SCIATRAN[J].Journal of Quantitative Spectroscopy&Radiative Transfer,2014,133(2):13-71.
[10]Ye Hanhan,Wang Xianhua,Wu Jun,et al.Sensitivity of retrieval of atmospheric column carbon dioxide with high accuracy[J].Journal of Atmospheric and Environmental Optics,2011,6(3):208-214.(in Chinese)叶函函,王先华,吴军,等.二氧化碳浓度高精度反演的敏感性研究[J].大气与环境光学学报,2011,6(3):208-214.
[11]Wu Jun.Research on radiative transfer characteristics and retrieval methods for atmospheric CO2monitoring[D].Hefei:University of Science and Technology of China,2013.(in Chinese)吴军.大气CO2辐射传输特性与反演方法研究[D].合肥:中国科学技术大学,2013.
[12]Wu Jun,Wang Xianhua,Fang Yonghua,et al.Ability analysis of spatial heterodyne spectrometer in atmospheric CO2detection[J].Acta Optica Sinica,2011,31(1):0101001.(in Chinese)吴军,王先华,方勇华,等.空间外差光谱技术应用于大气二氧化碳探测的能力分析[J].光学学报,2011,31(1):0101001.
[2]Li Y,Zhang C,Liu D,et al.CO2retrieval model and analysis in short-wave infrared spectrum[J].OptikInternational Journal for Light and Electron Optics,2016,127(10):4422-4425.
[3]Eichmann K U,Leventiduo E,Heue K P,et al.Tropical upper tropospheric ozone volume mixing ratios retrieved with the cloud slicing method using SCIATRAN/GOME2 data:methodology,ozone sonde comparisons,and verification of the new S-5P operational processor[C]//ESA Living Planet Symposium,2016.
[4]Li Y,Zhang C,Wang D,et al.Comparison between the ESFT method and LBL method of CO2retrieval for highresolution satellite[C]//The International Conference on Photonics and Optical Engineering and the West China Photonics Conference.International Society for Optics and Photonics,2015.
[5]Liu D,Zhang C,Li Y,et al.The influence of temperature on the simulated high resolution spectra of enhanced SCIATRAN model in near infrared band[J].OptikInternational Journal for Light and Electron Optics,2016,127(18):7292-7299.
[6]Xu Mengchun,Xu Qingshan.Effect of aerosol particle characteristic and vertical distribution on radiation[J].Infrared and Laser Engineering,2016,45(2):0211002.(in Chinese)徐梦春,徐青山.气溶胶粒子特性和垂直分布对辐射的影响[J].红外与激光工程,2016,45(2):0211002.
[7]Karsisto P,Fortelius C,Demuzere M,et al.Seasonal surface urban energy balance and wintertime stability simulated using three land-surface models in the high-latitude city Helsinki[J].Quarterly Journal of the Royal Meteorological Society,2016,142(694):401-417.
[8]Rozanov A,Rozanov V,Buchwitz M,et al.SCIATRAN 2.0-A new radiative transfer model for geophysical applications in the 175-2 400 nm spectral region[J].Advances in Space Research,2005,36(5):1015-1019.
[9]Rozanov V V,Rozanov A V,Kokhanovsky A A,et al.Radiative transfer through terrestrial atmosphere and ocean:Software package SCIATRAN[J].Journal of Quantitative Spectroscopy&Radiative Transfer,2014,133(2):13-71.
[10]Ye Hanhan,Wang Xianhua,Wu Jun,et al.Sensitivity of retrieval of atmospheric column carbon dioxide with high accuracy[J].Journal of Atmospheric and Environmental Optics,2011,6(3):208-214.(in Chinese)叶函函,王先华,吴军,等.二氧化碳浓度高精度反演的敏感性研究[J].大气与环境光学学报,2011,6(3):208-214.
[11]Wu Jun.Research on radiative transfer characteristics and retrieval methods for atmospheric CO2monitoring[D].Hefei:University of Science and Technology of China,2013.(in Chinese)吴军.大气CO2辐射传输特性与反演方法研究[D].合肥:中国科学技术大学,2013.
[12]Wu Jun,Wang Xianhua,Fang Yonghua,et al.Ability analysis of spatial heterodyne spectrometer in atmospheric CO2detection[J].Acta Optica Sinica,2011,31(1):0101001.(in Chinese)吴军,王先华,方勇华,等.空间外差光谱技术应用于大气二氧化碳探测的能力分析[J].光学学报,2011,31(1):0101001.