Theoretical Method to Estimate Vertical Distribution of Aerosol Absorption Coefficient

Baoying Li; Shengcheng Cui; Zhi Qiao; Zihan Zhang; Xuebin Li; Tao Luo; Nana Liu

doi:10.3788/LOP202158.1901001

Laser & Optoelectronics Progress, Volume. 58, Issue 19, 1901001(2021)

Theoretical Method to Estimate Vertical Distribution of Aerosol Absorption Coefficient

Baoying Li^1,2,3, Shengcheng Cui^1,3、*, Zhi Qiao^1,2,3, Zihan Zhang^1,3, Xuebin Li^1,3, Tao Luo^1,3, and Nana Liu^1,3,4

¹Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei , Anhui 230031, China

²Science Island Branch of Graduate School, University of Science and Technology of China, Hefei , Anhui 230026, China

³Advanced Laser Technology Laboratory of Anhui Province, Hefei , Anhui 230037, China

⁴School of Environmental Science & Optoelectronic Technology, University of Science and Technology of China, Hefei , Anhui 230026, China

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Figures & Tables(7)

Fig. 1. Measuring instrument. (a) Sun-photometer; (b) lidar

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Fig. 2. Diagram of calculating height distribution, AGL for above ground

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Fig. 3. Procedure of aerosol absorption profile estimation

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Fig. 4. Aerosol extinction profile on 1 & 8 August, 2020. (a)(c) Average daily profile on 1 & 8 August, respectively; (b)(d) hourly average profile on 1 & 8 August, respectively

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Fig. 5. Aerosol average daily profile. (a)(c) Average daily extinction profile on 1 & 8 August, respectively; (b)(d) average daily absorption profile on 1 & 8 August, respectively

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Fig. 6. Flow trajectory after 24 h. (a) 1 August, 2020; (b) 8 August, 2020

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Table 1. Description of instrument and main parameters

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Table 1. Description of instrument and main parameters

Main instrument

Working wavelength

λ

/nm

Sampling period T /min

Experimental time

Lidar

532

2020.08.01 12∶38—17∶30

2020.08.08 11∶26—23∶59

Sun-photometer

400/520/610/670/780/860/940/1050

2020.08.01 11∶17—20∶30

2020.08.08 07∶21—15∶39

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Baoying Li, Shengcheng Cui, Zhi Qiao, Zihan Zhang, Xuebin Li, Tao Luo, Nana Liu. Theoretical Method to Estimate Vertical Distribution of Aerosol Absorption Coefficient[J]. Laser & Optoelectronics Progress, 2021, 58(19): 1901001

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Paper Information

Category: Atmospheric Optics and Oceanic Optics

Received: Jan. 12, 2021

Accepted: Jan. 29, 2021

Published Online: Sep. 29, 2021

The Author Email: Shengcheng Cui (csc@aiofm.ac.cn)

DOI:10.3788/LOP202158.1901001

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology