Journal of Atmospheric and Environmental Optics, Volume. 18, Issue 6, 585(2023)

Evaluation of applicability of Sentinel-2-MSI and Sentinel-3-OLCI water-leaving reflectance products in Yellow River Estuary

LUO Yafei1,2, ZHONG Xiaojin1, FU Dongyang1, YAN Liwen2、*, ZHANG Yi3、**, LIU Yilin4, HUANG Haijun2, ZHANG Zehua2, Qi Yali1, and WANG Qian4
Author Affiliations
  • 1Key Laboratory of Climate, Resources and Environment in Continental Shelf Sea and Deep Sea of Department of Education of Guangdong Province, College of Electronic and Information Engineering, Guangdong Ocean University, Zhanjiang 524088, China
  • 2Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, College of Oceanography, University of Chinese Academy of Sciences, Qingdao 266071, China
  • 3College of Ocean Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
  • 4College of Earth Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
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    The optical properties of highly turbid coastal water bodies are complicated, so the application of reflectance products based on different satellites in such kinds of water bodies is desperately needed to be fully evaluated. Taking the water body of the Yellow River Estuary (YRE) as a typical research object, the applicability of the water-leaving reflectance products corrected by different atmospheric correction algorithms for Sentinel-2-MSI (S2-MSI) and Sentinel-3-OLCI (S3-OLCI) image is evaluated based on the reference of Landsat reflectance products corrected by ACOLITE DSF atmospheric correction algorithm suitable for YRE. The results show that S2-MSI and S3-OLCI data corrected by the image correction for atmospheric effects (iCOR) are in good agreement with Landsat reflectance products for highly-extremely turbid water bodies in YRE, followed by FLAASH (Fast line-of-sight atmospheric analysis of spectral hypercubes) and Sen2Cor (Sentinel-2 correction) corrected products, while C2RCC (Case-2 regional coast colour) performs poorly. iCOR, FLAASH and Sen2Cor corrected S2-MSI and S3-OLCI reflectance products show good results in the green and red bands with the mean absolute relative difference EMARD lower than 24%, except that in the near-infrared band the EMARD is higher than 34% in highly turbid waters. Among them, the FLAASH and Sen2Cor algorithms have similar results. Compared with that in highly turbid waters, the EMARD is even lower for iCOR, FLAASH and Sen2Cor algorithms in extremely turbid waters. On the contrary, C2RCC algorithm performs relatively poor in highly turbid waters and even worse in extremely turbid waters, with overall underestimation of water-leaving reflectance. This research is significant for it can provide useful reference for choosing atmospheric correction methods in highly turbid waters and lay the foundation for dynamic monitoring suspended sediment in YRE with high resolution.

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    Yafei LUO, Xiaojin ZHONG, Dongyang FU, Liwen YAN, Yi ZHANG, Yilin LIU, Haijun HUANG, Zehua ZHANG, Yali Qi, Qian WANG. Evaluation of applicability of Sentinel-2-MSI and Sentinel-3-OLCI water-leaving reflectance products in Yellow River Estuary[J]. Journal of Atmospheric and Environmental Optics, 2023, 18(6): 585

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    Paper Information

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    Received: May. 17, 2022

    Accepted: --

    Published Online: Dec. 22, 2023

    The Author Email: YAN Liwen (yanliwen@qdio.ac.cn), ZHANG Yi (yizhang@sdust.edu.cn)

    DOI:10.3969/j.issn.1673-6141.2023.06.007

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