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Acta Optica Sinica, Volume. 43, Issue 12, 1228004(2023)

A Highly Robust Atmospheric Boundary Layer Height Estimation Method Combining K-means and Entropy Weight Method

Zhenxing Liu1,2,3, Jianhua Chang1,2、*, Hongxu Li4, Yuanyuan Meng1, Mei Zhou1, and Tengfei Dai1,2
Author Affiliations
  • 1School of Electronics & Information Engineering, Nanjing University of Information Science & Technology, Nanjing 210044, Jiangsu, China
  • 2Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Nanjing University of Information Science & Technology, Nanjing 210044, Jiangsu, China
  • 3Department of Information Technology, Taizhou Polytechnic College, Taizhou 225300, Jiangsu, China
  • 4School of Electronic Information Engineering, Wuxi University, Wuxi 214105, Jiangsu, China
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    Figures & Tables(10)
    Flowchart of ABLH estimation by EK-means from lidar data

    Fig. 1. Flowchart of ABLH estimation by EK-means from lidar data

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    Characteristics of NRB on cloudy at 17:32 UTC, 22 March 2004. (a) Vertical distributions of NRB; (b) gradient of NRB; (c) relative increase of NRB

    Fig. 2. Characteristics of NRB on cloudy at 17:32 UTC, 22 March 2004. (a) Vertical distributions of NRB; (b) gradient of NRB; (c) relative increase of NRB

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    Profile of NRB gradient after processed by interval thresholding technique

    Fig. 3. Profile of NRB gradient after processed by interval thresholding technique

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    Clustering effects under different clusters to profile of NRB. (a) k =3; (b) k =4; (c) k =5; (d) k =6

    Fig. 4. Clustering effects under different clusters to profile of NRB. (a) k =3; (b) k =4; (c) k =5; (d) k =6

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    ABLH estimated by different methods on clear sky conditions on 31 March 2004

    Fig. 5. ABLH estimated by different methods on clear sky conditions on 31 March 2004

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    ABLH estimated by different methods on polluted conditions on 17 May 2002

    Fig. 6. ABLH estimated by different methods on polluted conditions on 17 May 2002

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    ABLH estimated by different methods on cloudy conditions on 22 March 2004

    Fig. 7. ABLH estimated by different methods on cloudy conditions on 22 March 2004

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    Comparisons between ABLH results determined by lidar-based methods and radiosonde on clear sky. (a) GM and RS; (b) WM and RS; (c) K-means and RS; (d) EK-means and RS

    Fig. 8. Comparisons between ABLH results determined by lidar-based methods and radiosonde on clear sky. (a) GM and RS; (b) WM and RS; (c) K-means and RS; (d) EK-means and RS

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    Comparisons between ABLH results determined by lidar-based methods and radiosonde on cloudy or structure of the suspended aerosol layer. (a) GM and RS; (b) WM and RS; (c) K-means and RS; (d) EK-means and RS

    Fig. 9. Comparisons between ABLH results determined by lidar-based methods and radiosonde on cloudy or structure of the suspended aerosol layer. (a) GM and RS; (b) WM and RS; (c) K-means and RS; (d) EK-means and RS

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    • Table 1. Comparison of ABLH determined by lidar-based methods and radiosonde

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      Table 1. Comparison of ABLH determined by lidar-based methods and radiosonde

      Atmospheric conditionMethodRMAE /kmMDAE /km
      Clear skyGM0.96220.11830.1018
      WM0.96670.11820.1033
      K-means0.95220.14040.1184
      EK-means0.97180.10590.0869
      CloudyGM0.42471.25731.1980
      WM0.44531.17571.1080
      K-means0.79860.22460.1544
      EK-means0.91750.13170.1155
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    Zhenxing Liu, Jianhua Chang, Hongxu Li, Yuanyuan Meng, Mei Zhou, Tengfei Dai. A Highly Robust Atmospheric Boundary Layer Height Estimation Method Combining K-means and Entropy Weight Method[J]. Acta Optica Sinica, 2023, 43(12): 1228004

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    Paper Information

    Category: Remote Sensing and Sensors

    Received: Jul. 26, 2022

    Accepted: Oct. 14, 2022

    Published Online: Apr. 25, 2023

    The Author Email: Chang Jianhua (jianhuachang@nuist.edu.cn)

    DOI:10.3788/AOS221534

    Topics

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