Spectroscopy and Spectral Analysis, Volume. 42, Issue 4, 1209(2022)
Research on Remote Sensing Retrieval of Bohai Sea Transparency Based on Sentinel-3 OLCI Image
Figures & Tables(11)
Fig. 3. Comparison of in situ
Fig. 4. Comparison between in situ SDD and Sentinel-3 OLCI retrieved SDD
Fig. 5. The spatial distribution of monthly average SDD of Bohai Sea in 2020
Table 1. Correlation between
R rs and SDD at central bandView tableView in ArticleTable 1. Correlation between
R rs and SDD at central bandBand(λ/nm) r Band(λ/nm) r B1(400) -0.53 B8(665) -0.62 B2(412) -0.54 B9(674) -0.62 B3(442) -0.57 B10(681) -0.62 B4(490) -0.59 B11(709) -0.58 B5(510) -0.62 B12(754) -0.44 B6(560) -0.69 B16(779) -0.44 B7(620) -0.66 B17(865) -0.37
Table 2. Correlation analysis between
R rs combination and SDDView tableView in ArticleTable 2. Correlation analysis between
R rs combination and SDDBand/nm r Band/nm r Band/nm r Band/nm r Band/nm r 400/510 0.25 413/560 0.57 443/620 0.90 490/665 0.78 560/620 0.87 400/560 0.59 413/620 0.90 443/665 0.83 490/674 0.81 560/665 0.61 400/620 0.90 413/665 0.85 443/674 0.84 490/681 0.81 560/674 0.70 400/665 0.86 413/674 0.87 443/681 0.84 510/620 0.89 560/681 0.75 400/674 0.88 413/681 0.87 490/510 0.43 510/665 0.74 400/681 0.87 413/510 0.16 490/560 0.60 510/674 0.79 413/510 0.23 443/560 0.51 490/620 0.90 510/681 0.81
Table 3. Atmospheric correction results for each band
View tableView in ArticleTable 3. Atmospheric correction results for each band
Band R2 RMSE/sr-1 MRE/% 400 0.84 0.000 42 22.41 412 0.83 0.000 54 24.87 442 0.82 0.000 75 28.16 490 0.77 0.001 29 25.02 510 0.74 0.001 51 27.07 560 0.68 0.001 88 21.78 620 0.90 0.000 54 35.73 665 0.86 0.000 40 37.97 674 0.89 0.000 34 24.86 681 0.89 0.000 32 21.47
Table 4. Validation results of empirical transparency model
View tableView in ArticleTable 4. Validation results of empirical transparency model
模型类型 模型公式 MRE/% 单波段模型 lgSD=-47.80Rrs(682)+0.515 8 0.66 0.594 25.37 lgSD=-47.59Rrs(674)+0.513 6 0.67 0.585 24.74 lgSD=-47.27Rrs(665)+0.515 6 0.66 0.564 23.18 lgSD=-48.62Rrs(620)+0.588 8 0.68 0.464 19.92 lgSD=-45.75Rrs(560)+0.799 5 0.57 0.501 20.54 lgSD=-56.08Rrs(510)+0.781 1 0.20 0.750 31.33 lgSD=1 309Rrs(682)2-87.75Rrs(682)+0.629 4 0.71 0.566 25.43 lgSD=1 248Rrs(674)2-85.36Rrs(674)+0.620 2 0.73 0.541 23.97 lgSD=1 163Rrs(665)2-82.32Rrs(665)+0.614 8 0.74 0.498 22.08 lgSD=926.8Rrs(620)2-75.41Rrs(620)+0.681 6 0.72 0.401 19.35 lgSD=512Rrs(560)2-60.89Rrs(560)+0.890 6 0.62 0.508 20.55 lgSD=-1 089Rrs(510)2-28.7Rrs(510)+0.647 6 0.20 0.708 27.91 波段比值模型 lgSD=0.2568Rrs(510)/Rrs(620)-0.186 3 0.56 0.519 18.68 lgSD=0.175 8Rrs(510)/Rrs(665)-0.193 7 0.55 0.837 26.61 lgSD=0.173 8Rrs(510)/Rrs(674)-0.192 1 0.54 1.125 36.10 lgSD=0.163 6Rrs(510)/Rrs(682)-0.165 4 0.52 1.128 36.31 lgSD=0.313 6Rrs(561)/Rrs(620)-0.444 5 0.45 0.662 20.54 lgSD=0.213 2Rrs(560)/Rrs(665)-0.442 3 0.46 0.639 23.45 lgSD=0.212 1Rrs(560)/Rrs(674)-0.439 8 0.44 0.900 30.64 lgSD=0.195 7Rrs(560)/Rrs(682)-0.377 0.42 0.963 32.43 lgSD=-0.061 78Rrs(510)/Rrs(620)2+0.56Rrs(510)/Rrs(620)-0.500 3 0.55 0.651 24.18 lgSD=-0.049 37Rrs(510)/Rrs(665)2+0.532 7Rrs(510)/Rrs(665)-0.73 0.52 1.283 47.86 lgSD=-0.024 12Rrs(510)/Rrs(674)2+0.358 1Rrs(510)/Rrs(674)-0.477 6 0.54 1.420 50.95 lgSD=-0.035 93Rrs(510)/Rrs(682)2+0.438 2Rrs(510)/Rrs(682)-0.591 1 0.50 1.551 58.93 lgSD=-0.138 2Rrs(560)/Rrs(620)2+1.073Rrs(560)/Rrs(620)-1.397 0.45 0.640 26.71 lgSD=-0.057 22Rrs(560)/Rrs(665)2+0.649 4Rrs(560)/Rrs(665)-1.177 0.45 0.919 34.01 lgSD=-0.062 09Rrs(560)/Rrs(674)2+0.686 3Rrs(560)/Rrs(674)-1.244 0.43 1.196 45.47 lgSD=-0.061 01Rrs(560)/Rrs(682)2+0.673 7Rrs(560)/Rrs(682)-1.202 0.41 1.336 51.66 混合波段模型 lgSD=0.083 14-33.89Rrs(620)+0.172 7Rrs(560)/Rrs(620) 0.62 0.478 16.94 lgSD=0.2443-38.86Rrs(620)+0.142 6Rrs(510)/Rrs(620) 0.67 0.459 18.96 lgSD=-0.010 96-19.57Rrs(560)+0.221 4Rrs(560)/Rrs(620) 0.68 0.483 15.93 lgSD=0.212-23.29Rrs(560)+0.179 8Rrs(510)/Rrs(620) 0.65 0.425 17.73
Table 5. The result between SDD estimated and in situ SDD
View tableView in ArticleTable 5. The result between SDD estimated and in situ SDD
站位号 实测透明度/m 反演透明度/m RMSE/m MRE/% 1 3.0 3.02 0.13 4.50 2 4.0 3.00 1.07 26.86 3 2.0 2.02 0.53 26.42 4 2.0 2.12 0.55 27.73 5 2.5 1.90 0.06 2.41 6 1.8 2.13 0.69 38.80 7 1.2 1.38 0.97 80.86 8 1.8 1.61 0.53 29.58 9 1.8 1.28 0.19 10.65 10 2.2 1.60 0.13 5.86 合计 0.483 15.93
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Ling-ling JIANG, Long-xiao WANG, Lin WANG, Si-wen GAO, Jian-quan YUE. Research on Remote Sensing Retrieval of Bohai Sea Transparency Based on Sentinel-3 OLCI Image[J]. Spectroscopy and Spectral Analysis, 2022, 42(4): 1209
Paper Information
Category: Research Articles
Received: Jul. 19, 2021
Accepted: --
Published Online: Jul. 25, 2023
The Author Email: Ling-ling JIANG (jiangll@dlmu.edu.cn)
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