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Automatic and continuous measurement of aerosol properties in Dunhuang,China
Abstract： Ground-based simultaneous observations of sun direct and scattering radiation were carried out in Dunhuang for nearly 2 years.Aerosol optical depth, Angstrom wavelength exponent and size distribution were obtained from solar extinction and sky radiation. Water vapor content was obtained from sun direct radiation measurement at 940 nm. Relationship between aerosol properties and water vapor was discussed. Results showed that distinct seasonality of aerosol optical depth and Angstrom wavelength exponent was corresponding to seasonal variation of dust activity. Aerosol relative size distribution kept stable and volume concentration change was the reason resulting in variation of aerosol optical depth. Water vapor had minor effects on aerosol optical and physical properties. 作 者： XIA Xiang-ao WANG Ming-xing WANG Yue-si 作者单位： State Key Laboratory of Atmospheric Boundary Physics and Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences,Beijing 100029, China 期 刊： 环境科学学报(英文版) ISTICSCI Journal： JOURNAL OF ENVIRONMENTAL SCIENCES 年，卷(期)： 2004, 16(1) 分类号： X131.1 Keywords： aerosol aureolemeter inversion【Automatic and continuous measurement】相关文章：