• Laser & Optoelectronics Progress
  • Vol. 57, Issue 19, 192802 (2020)
Ting Zhang1、*, Lei Liu2, Taichang Gao2, and Shuai Hu2
Author Affiliations
  • 1Hebei Provincial Meteorological Technical Equipment Center, Shijiazhuang, Hebei 0 50021, China
  • 2College of Meteorology and Oceanography, National University of Defense Technology, Nanjing, Jiangsu 211101, China
  • show less
    DOI: 10.3788/LOP57.192802 Cite this Article Set citation alerts
    Ting Zhang, Lei Liu, Taichang Gao, Shuai Hu. Optical Depth Inversion Technique Under Joint Cloud Measurement System[J]. Laser & Optoelectronics Progress, 2020, 57(19): 192802 Copy Citation Text show less
    Relation between infrared radiance from zenith and the cloud base height and optical depth
    Fig. 1. Relation between infrared radiance from zenith and the cloud base height and optical depth
    Inversion process of cloud optical depth
    Fig. 2. Inversion process of cloud optical depth
    All-sky infrared radiation distribution and all-sky optical depth distribution in the case of single-layer cloud. (a) All-sky infrared radiation distribution; (b) all-sky optical depth distribution
    Fig. 3. All-sky infrared radiation distribution and all-sky optical depth distribution in the case of single-layer cloud. (a) All-sky infrared radiation distribution; (b) all-sky optical depth distribution
    All-sky infrared radiation distribution and all-sky optical depth distribution in the case of two-layer cloud. (a) All-sky infrared radiation distribution; (b) all-sky optical depth distribution
    Fig. 4. All-sky infrared radiation distribution and all-sky optical depth distribution in the case of two-layer cloud. (a) All-sky infrared radiation distribution; (b) all-sky optical depth distribution
    Cloud baseheight /kmRadiance /(W·m-2·Sr-1)
    D=0D=1D=2D=3D=4D=5D=6D=7D=8D=9D=10
    110.318.222.925.92829.330.331.031.431.732.0
    210.317.421.724.426.227.428.328.929.329.629.8
    310.316.720.422.824.425.426.226.727.127.327.5
    410.31619.221.222.523.524.124.624.925.125.3
    510.315.217.919.620.821.522.122.522.722.923.1
    610.314.516.718.119.019.62020.320.620.720.9
    710.313.815.516.617.317.718.118.318.518.618.7
    810.313.214.615.315.816.116.416.616.716.816.9
    1010.312.513.413.81414.214.314.414.414.514.5
    1210.312.413.213.613.813.9141414.114.114.1
    Table 1. Downward infrared radiance at zenith under different cloud base heights and optical depths
    The range of cloud base height /km≤22--55--66--8>8
    The range of optical depth0--60--50--40--30--2
    Table 2. Inversion range of optical depth for different cloud base heights
    Ting Zhang, Lei Liu, Taichang Gao, Shuai Hu. Optical Depth Inversion Technique Under Joint Cloud Measurement System[J]. Laser & Optoelectronics Progress, 2020, 57(19): 192802
    Download Citation