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The lidar observations of aerosols under near range condition are distorted because of insufficient overlapping between the transmitting laser beam and the field of view of receiving telescope in non-coaxial lidar especially in multiwavelength lidar. However, the near-range atmosphere is closely related with human’s activity. So it is important to correct the near-range signal of multiwavelength lidar. This paper presents a novel method of correcting the near-range optical parameter of multiwavelength lidar based on aerosol particle size distribution measurements and Mie scattering theory. The near-range aerosol extinction profiles on fine day, cloudy day and foggy day are corrected. The results show that the method is convenient and feasible compared with the traditional methods. This method reduces the uncertainty of inversion and correction because the wavelength dependences of lidar ratio and the weather correlation of aerosol size distribution are taken into account. This method realizes the direct correction to near-range optical parameter of multiwavelength lidar. It is favorable and convenient to study physical and optical properties of boundary layer atmosphere by using this method. It will have a broad application and prospect.
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Keywords:
- multi-wavelength lidar /
- lidar ratio /
- aerosol /
- Mie scattering
[1] Sasano Y, Shimizu H, Takeuchi N, Okuda M 1979 Appl. Opt. 18 3908
[2] Tomine K, Hirayama C, Michimoto K, Takeuchi N 1989 Appl. Opt. 28 2194
[3] He Y H, Andrew Y S C, Cheng J, Zuo H Y, Yang J G 2005 Acta Opt. Sin. 25 289 (in Chinese) [贺应红, 郑玉臣, 程娟, 左浩毅, 杨经国 2005 光学学报 25 289]
[4] Wang Z H, He Y H, Zuo H Y, Andrew Y S C, Yang J G 2006 Acta Phys. Sin. 55 3188 (in Chinese) [王治华, 贺应红, 左浩毅, 郑玉臣, 杨经国 2006 55 3188]
[5] Liu Q J, Yang L, Wang J Y, Zuo H Y, Luo S R, Andrew Y S C 2009 Acta Phys. Sin. 58 7376 (in Chinese) [刘巧君, 杨林, 王劼予, 左浩毅, 罗时荣, 郑玉臣 2009 58 7376]
[6] Di H G, Hua D X, Wang Y F, Yan Q 2013 Acta Phys. Sin. 62 094215 (in Chinese) [狄慧鸽, 华灯鑫, 王玉峰, 闫庆 2013 62 094215]
[7] Wang W, Mao F Y, Gong W, Li J 2014 Acta Opt. Sin. 34 0228005 (in Chinese) [王威, 毛飞跃, 龚威, 李俊 2014 光学学报 34 0228005]
[8] 8 Klett J D 1981 Appl. Opt. 20 211
[9] Fan M, Chen L F, Li S S, Tao J H, Su L, Zou M M 2014 Chin. Phys. B 23 104203
[10] Du J, Ren D M, Zhao W J, Qu Y C, Chen Z L, Geng L J 2013 Chin. Phys. B 22 024211
[11] Valley S L 1965 Handbook of Geophysics and Space Environments (New York: McGraw-Hill Book Company) p27
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[1] Sasano Y, Shimizu H, Takeuchi N, Okuda M 1979 Appl. Opt. 18 3908
[2] Tomine K, Hirayama C, Michimoto K, Takeuchi N 1989 Appl. Opt. 28 2194
[3] He Y H, Andrew Y S C, Cheng J, Zuo H Y, Yang J G 2005 Acta Opt. Sin. 25 289 (in Chinese) [贺应红, 郑玉臣, 程娟, 左浩毅, 杨经国 2005 光学学报 25 289]
[4] Wang Z H, He Y H, Zuo H Y, Andrew Y S C, Yang J G 2006 Acta Phys. Sin. 55 3188 (in Chinese) [王治华, 贺应红, 左浩毅, 郑玉臣, 杨经国 2006 55 3188]
[5] Liu Q J, Yang L, Wang J Y, Zuo H Y, Luo S R, Andrew Y S C 2009 Acta Phys. Sin. 58 7376 (in Chinese) [刘巧君, 杨林, 王劼予, 左浩毅, 罗时荣, 郑玉臣 2009 58 7376]
[6] Di H G, Hua D X, Wang Y F, Yan Q 2013 Acta Phys. Sin. 62 094215 (in Chinese) [狄慧鸽, 华灯鑫, 王玉峰, 闫庆 2013 62 094215]
[7] Wang W, Mao F Y, Gong W, Li J 2014 Acta Opt. Sin. 34 0228005 (in Chinese) [王威, 毛飞跃, 龚威, 李俊 2014 光学学报 34 0228005]
[8] 8 Klett J D 1981 Appl. Opt. 20 211
[9] Fan M, Chen L F, Li S S, Tao J H, Su L, Zou M M 2014 Chin. Phys. B 23 104203
[10] Du J, Ren D M, Zhao W J, Qu Y C, Chen Z L, Geng L J 2013 Chin. Phys. B 22 024211
[11] Valley S L 1965 Handbook of Geophysics and Space Environments (New York: McGraw-Hill Book Company) p27
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