Journal of Infrared and Millimeter Waves, Volume. 39, Issue 4, 454(2020)

Inversion of aerosol optical depth over land from directional polarimetric camera onboard chinese Gaofen-5 satellite

Hong-Lian HUANG, Ru-Fang TI, Dong-Ying ZHANG, Wei FANG, Xiao-Bin SUN, and Wei-Ning YI
Author Affiliations
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    Figures & Tables(8)
    Comparison of DPC and MODIS retrieved AOD on September 4, 2018
    Comparison of DPC and MODIS retrieved AOD on October 2, 2018
    Comparison of DPC and AERONET retrieved AOD
    Comparison of MODIS and AERONET retrieved AOD
    • Table 1. DPC载荷主要技术参数

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      Table 1. DPC载荷主要技术参数

      仪器参数数值
      工作谱段443 nm、490 nm(P)、56 5nm、670 nm(P)、763 nm、765 nm、865 nm(P)、910 nm
      偏振解析线偏振,三个方向0°、60°、120°
      总视场-50°~+50°
      多角度观测最大12个角度
      星下点空间分辨率3.3 km
      辐射定标误差≤5%
      偏振定标误差≤0.02
    • Table 2. 查找表参数设置

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      Table 2. 查找表参数设置

      参数范围步长个数
      波长

      660~680 nm

      845~885 nm

      2
      太阳天顶角0°~80°41
      观测天顶角0°~87°约6°16
      相对方位角0°~180°37
      光学厚度0.0~0.20.0211
      0.2~0.80.0512
      0.8~2.00.158
      2.0~2.90.33
      气溶胶模型6种6
    • Table 3. 气溶胶模型参数列表

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      Table 3. 气溶胶模型参数列表

      参数模型1模型2模型3模型4模型5模型6
      单次散射反照率0.930.800.880.920.930.72
      复折射率实部(673 nm)1.45201.52021.44941.40981.39431.4104
      复折射率虚部(673 nm)0.00360.02450.00920.00630.00440.0337
      细模态平均半径/μm0.1170.1440.1330.1580.1650.140
      细模态标准偏差1.4821.5621.5021.5261.6111.540
      粗模态平均半径/μm2.8343.7333.5903.5473.2683.556
      粗模态标准偏差1.9082.1442.1042.0651.9952.134
      细粒子比0.220.330.380.530.260.49
    • Table 4. NB半经验模型参数表

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      Table 4. NB半经验模型参数表

      地表类型NDVIX×100Y
      森林0~0.150.7120
      0.15~0.30.75125
      ≥0.30.65120
      灌木0~0.151.590
      0.15~0.30.95120
      ≥0.30.7140
      低植被0~0.151.390
      0.15~0.30.9590
      ≥0.30.75130
      沙漠0~0.152.545
      ≥0.152.545
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    Hong-Lian HUANG, Ru-Fang TI, Dong-Ying ZHANG, Wei FANG, Xiao-Bin SUN, Wei-Ning YI. Inversion of aerosol optical depth over land from directional polarimetric camera onboard chinese Gaofen-5 satellite[J]. Journal of Infrared and Millimeter Waves, 2020, 39(4): 454

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    Paper Information

    Category: Remote Sensing Technology and Application

    Received: Aug. 2, 2019

    Accepted: --

    Published Online: Sep. 17, 2020

    The Author Email:

    DOI:10.11972/j.issn.1001-9014.2020.04.010

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