Aerosol scale height measured by sun-photometer based on stratified atmospheric algorithm

被引：0

作者：

Xu, Meng-Chun ^{[1
,2
]}

Xu, Qing-Shan ^{[1
]}

Fan, Chuan-Yu ^{[1
,2
]}

Yang, Yi-Ping ^{[1
,2
]}

机构：

[1] Key Laboratory of Atmospheric Composition and Optical Radiation, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei

[2] University of Chinese Academy of Sciences, Beijing

来源：

Guangzi Xuebao/Acta Photonica Sinica | 2015年 / 44卷 / 06期

关键词：

Aerosol optical thickness; Aerosol scale height; Aerosol vertical distribution height; Atmospheric optics; Extinction coefficient; Stratified atmospheric algorithm; Sun-photometer;

D O I：

10.3788/gzxb20154406.0601002

中图分类号：

学科分类号：

摘要：

Atmospheric aerosol has a strong characteristic of temporal and spatial variation. Aerosol scale height is an important physical parameter to reflect atmospheric aerosol vertical distribution, which is often measured by several instruments simultaneously. Based on the assumption of uniform parallel sphere of stratified atmosphere, a new method that aerosol scale height is obtained only by sun-photometer is studied, using stratified atmospheric algorithm. The research indicates that the parameters such as average extinction coefficient and the optical depth of stratified atmosphere, atmospheric aerosol vertical distribution height, and aerosol scale height can be gotten by the stratified atmospheric algorithm only using sun-photometer. Compared with conventional method, the relative error of aerosol scale height gained by stratified atmospheric algorithm is less than 10%. The relative error of atmospheric optical depth gained by stratified atmospheric algorithm and whole atmospheric algorithm is less than 2%. Therefore, using stratified atmospheric algorithm to obtain aerosol scale height only by sun-photometer is feasible, and it extends the sun-photometer's application. ©, 2015, Chinese Optical Society. All right reserved.

引用

页数：9

共 16 条

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