Determination of the Retrieval Arithmetic of Aerosol Size Distribution Measured by DOAS
SI Fu-qi1,XIE Pin-hua1,LIU Jian-guo1,ZHANG Yu-jun1,LIU Wen-qing1,Hiroaki Kuze2,Nobuo Takeuchi2
1. Key Laboratory of Environmental Optics & Technology，Anhui Institute of Optics and Fine Mechanics, Chinese Academy ofSciences, Hefei 230031, China 2. Center for Environmental Remote Sensing, Chiba University, Chiba 263-8522, Japan
Abstract：Atmospheric aerosol is not only an important factor for the change in global climate, but also a polluting matter. Moreover, aerosol plays a main role in chemical reaction of polluting gases. Determination of aerosol has become an important research in the study of atmospheric environment. Differential optical absorption spectroscopy (DOAS) is a very useful technique that allows quantitative measurement of atmospheric trace gas concentrations based on their fingerprint absorption. It also can be used to retrieve aerosol extinction coefficient. In the present work, the method of determination of aerosol size distribution measured by flash DOAS is described, and the arithmetic based on Monte-Carlo is the emphasis. By comparison with the concentration of PM10, visibility and Angstrom wavelength exponent, a good correlation can be found. Application of DOAS in aerosol field not only provides a novel method for aerosol detection, but also extends the field of application of DOAS technology. Especially, aerosol DOAS plays an important role in the study of atmospheric chemistry.
司福祺1,谢品华1,刘建国1,张玉钧1,刘文清1,久世宏明2,竹内延夫2 . 基于DOAS技术的气溶胶粒谱分布反演方法研究[J]. 光谱学与光谱分析, 2008, 28(10): 2417-2420.
SI Fu-qi1,XIE Pin-hua1,LIU Jian-guo1,ZHANG Yu-jun1,LIU Wen-qing1,Hiroaki Kuze2,Nobuo Takeuchi2 . Determination of the Retrieval Arithmetic of Aerosol Size Distribution Measured by DOAS. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2008, 28(10): 2417-2420.
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