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Chinese Journal of Lasers, Volume. 48, Issue 1, 0110001(2021)

Joint Observations of Vertical Distribution of Aerosols in Hefei Area by Spaceborne and Ground-Based Lidars

Hao Yang1,2,3, Chenbo Xie1,3、*, Zhiyuan Fang1,2,3, Bangxin Wang1,3, Kunming Xing1,3, and Ye Cao1,2,3
Author Affiliations
  • 1Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics, 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, Auhui 230037, China
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    Figures & Tables(10)
    Schematic of the Aerosol-lidar system

    Fig. 1. Schematic of the Aerosol-lidar system

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    MODIS remote sensing true color map of a typical weather cases [The blue frame is the area of Hefei (30°57'N to 32°32'N, 116°41'E to 117°58'E), and the line is CALIPSO Satellite transit trajectory]. (a) April 17, 2018; (b) July 17, 2018; (c) December 13, 2018; (d) January 25, 2019

    Fig. 2. MODIS remote sensing true color map of a typical weather cases [The blue frame is the area of Hefei (30°57'N to 32°32'N, 116°41'E to 117°58'E), and the line is CALIPSO Satellite transit trajectory]. (a) April 17, 2018; (b) July 17, 2018; (c) December 13, 2018; (d) January 25, 2019

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    Time-series graphs of particulate matter concentration in typical weather cases(PM10 data is missing in some periods). (a) April 17, 2018; (b) July 17, 2018; (c) December 13, 2018; (d) January 25, 2019

    Fig. 3. Time-series graphs of particulate matter concentration in typical weather cases(PM10 data is missing in some periods). (a) April 17, 2018; (b) July 17, 2018; (c) December 13, 2018; (d) January 25, 2019

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    Vertical profile of the range correctted signal of Aerosol-lidar in typical weather cases: (a) April 17, 2018;(b) July 17, 2018; (c) December 13, 2018; ( d) January 25, 2019

    Fig. 4. Vertical profile of the range correctted signal of Aerosol-lidar in typical weather cases: (a) April 17, 2018;(b) July 17, 2018; (c) December 13, 2018; ( d) January 25, 2019

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    Examples of wind speed and direction for typical weather near the ground, in which the wind direction is not given when the wind direction changes rapidly during certain periods, or the wind speed is 0. (a) April 17, 2018; (b) July 17, 2018; (c) December 13, 2018; (d) January 25, 2019

    Fig. 5. Examples of wind speed and direction for typical weather near the ground, in which the wind direction is not given when the wind direction changes rapidly during certain periods, or the wind speed is 0. (a) April 17, 2018; (b) July 17, 2018; (c) December 13, 2018; (d) January 25, 2019

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    Vertical profile of the backscattered signal observed by CALIOP on typical weather cases. (a) April 17, 2018; (b) July 17, 2018; (c) December 13, 2018; (d) January 25, 2019

    Fig. 6. Vertical profile of the backscattered signal observed by CALIOP on typical weather cases. (a) April 17, 2018; (b) July 17, 2018; (c) December 13, 2018; (d) January 25, 2019

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    Depolarization ratio of aerosol particles observed by CALIOP and Aerosol-lidar for typical weather cases. (a) April 17, 2018; (b) July 17, 2018; (c) December 13, 2018; (d) January 25, 2019

    Fig. 7. Depolarization ratio of aerosol particles observed by CALIOP and Aerosol-lidar for typical weather cases. (a) April 17, 2018; (b) July 17, 2018; (c) December 13, 2018; (d) January 25, 2019

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    Vertical profile of aerosol classification for typical weather cases observed by CALIOP. (a) April 17, 2018; (b) July 17, 2018; (c) December 13, 2018; (d) January 25, 2019

    Fig. 8. Vertical profile of aerosol classification for typical weather cases observed by CALIOP. (a) April 17, 2018; (b) July 17, 2018; (c) December 13, 2018; (d) January 25, 2019

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    48-hour backward trajectory of aerosol provided by HYSPLIT mode. (a) 2018-04-17; (b) 2018-07-17; (c) 2018-12-13; (d) 2019-01-25

    Fig. 9. 48-hour backward trajectory of aerosol provided by HYSPLIT mode. (a) 2018-04-17; (b) 2018-07-17; (c) 2018-12-13; (d) 2019-01-25

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    • Table 1. Main parameters of CALIOP and Aerosol-lidar

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      Table 1. Main parameters of CALIOP and Aerosol-lidar

      Technical parameterCALIOP valueAerosol-lidar value
      Wavelength /nm532/1064355/532/1064
      Single pulse energy /mJ11030
      Repetition frequency /Hz20.2520
      Telescope diameter /mm1000200
      Vertical resolution /m30--607.5
      Horizontal resolution /m333—
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    Hao Yang, Chenbo Xie, Zhiyuan Fang, Bangxin Wang, Kunming Xing, Ye Cao. Joint Observations of Vertical Distribution of Aerosols in Hefei Area by Spaceborne and Ground-Based Lidars[J]. Chinese Journal of Lasers, 2021, 48(1): 0110001

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    Paper Information

    Category: remote sensing and sensor

    Received: Jun. 24, 2020

    Accepted: Aug. 13, 2020

    Published Online: Jan. 13, 2021

    The Author Email: Xie Chenbo (cbxie@aiofm.ac.cn)

    DOI:10.3788/CJL202148.0110001

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology