• Infrared and Laser Engineering
  • Vol. 50, Issue 12, 20210080 (2021)
Lei Yang1, Dingfeng Yu1、2、*, Hao Gao1, Xiaodong Bian1, Xiaoyan Liu1, Yingying Gai1, Deyu An1, Yan Zhou1, and Shilin Tang2
Author Affiliations
  • 1National Engineering and Technological Research Center of Marine Monitoring Equipment, Shandong Provincial Key Laboratory of Marine Monitoring Instrument Equipment Technology, Institute of Oceanographic Instrumentation, Qilu University of Technology (Shandong Academy of Sciences), Qingdao 266100, China
  • 2State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
  • show less
    DOI: 10.3788/IRLA20210080 Cite this Article
    Lei Yang, Dingfeng Yu, Hao Gao, Xiaodong Bian, Xiaoyan Liu, Yingying Gai, Deyu An, Yan Zhou, Shilin Tang. Remote sensing retrieval of secchi disk depth in Jiaozhou Bay using Sentinel-2 MSI image[J]. Infrared and Laser Engineering, 2021, 50(12): 20210080 Copy Citation Text show less
    Schematic diagram of sampling location
    Fig. 1. Schematic diagram of sampling location
    Processing levels from Level-1C to remote sensing reflectivity
    Fig. 2. Processing levels from Level-1C to remote sensing reflectivity
    Relative error between the SDD estimated and the measured
    Fig. 3. Relative error between the SDD estimated and the measured
    Comparison of SDD estimated value and measured value
    Fig. 4. Comparison of SDD estimated value and measured value
    Distribution of SDD in Jiaozhou Bay on November 3, 2016
    Fig. 5. Distribution of SDD in Jiaozhou Bay on November 3, 2016
    Changes of SDD in Jiaozhou Bay caused by tides
    Fig. 6. Changes of SDD in Jiaozhou Bay caused by tides
    Changes of SDD in Jiaozhou Bay caused by ships
    Fig. 7. Changes of SDD in Jiaozhou Bay caused by ships
    Sentinel-2 bandWavelength/nmResolution/mSwath width/kmRepeat cycle/d
    B1(Coastal aerosol)433-453602905
    B2 (Blue)458-52310
    B3 (Green)543-57810
    B4 (Red)650-68010
    B5 (Red edge)698-71320
    B6 (Red edge)733-74820
    B7 (Red edge)773-79320
    B8 (NIR)785-90010
    B8A(Narrow NIR)855-87520
    B9 (Water vapor)935-95560
    B10 (SWIR-cirrus)1 360-1 39060
    B11 (SWIR-1)1 565-1 65520
    B12 (SWIR-2)2 100-2 28020
    Table 1. Main technical indicators of Sentinel-2 MSI
    SDD/mSDD/mSDD/m
    B2/B10.019B6/B2−0.395B7/B40.460
    B3/B1−0.264B7/B2−0.252B8/B40.573
    B4/B1−0.739B8/B2−0.268B6/B50.186
    B5/B1−0.621B4/B3−0.635B7/B50.420
    B6/B1−0.492B5/B3−0.519B8/B50.546
    B7/B1−0.312B6/B3−0.285B7/B60.618
    B8/B1−0.346B7/B3−0.107B8/B60.526
    B3/B2−0.399B8/B3−0.101B8/B70.081
    B4/B2−0.718B5/B40.155B3×B4−0.719
    B5/B2−0.584B6/B40.237
    Table 2. Correlation analysis between band combination and SDD
    log(B4/B1)log(B4/B2)log(B3×B4)log(B4/B1)×log(B4/B2)log(B4/B1)×log(B4/B2)×log(B3×B4)
    SDD/m−0.756−0.740−0.7450.790−0.798
    Table 3. Correlation analysis between the logarithm of wave band combination and SDD
    Lei Yang, Dingfeng Yu, Hao Gao, Xiaodong Bian, Xiaoyan Liu, Yingying Gai, Deyu An, Yan Zhou, Shilin Tang. Remote sensing retrieval of secchi disk depth in Jiaozhou Bay using Sentinel-2 MSI image[J]. Infrared and Laser Engineering, 2021, 50(12): 20210080
    Download Citation