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Polarization characterics of underwater, upwelling radiance of suspended particulate matters in turbid waters based on radiative transfer simulation
Liu, Jia1; Liu, Jiahang1; He, Xianqiang2; Bai, Yan2; Chen, Xiaoyan2; Chen, Peng2; Chen, Tieqiao1; Wang, Yihao1; Zhu, Feng1
2018
Conference NameRemote Sensing of the Ocean, Sea Ice, Coastal Waters, and Large Water Regions 2018
Source PublicationRemote Sensing of the Ocean, Sea Ice, Coastal Waters, and Large Water Regions 2018
Volume10784
Conference Date2018-09-10
Conference PlaceBerlin, Germany
PublisherSPIE
Contribution Rank1
Other AbstractThe polarization of water-leaving radiance (Lw) is more sensitive to microphysical properties (e.g. particles shapes, size distributions, compositions, and refractive index) of hydrosols than the unpolarised radiance. Hence, the polarized Lw can be used to extract additional information on oceanic constituents, which is complementary to the spectral and angular radiance measurements. In this study, the polarization characteristics of underwater upwelling radiance in turbid waters with respect to suspended particulate matters have been investigated. The full Stokes components of the underwater upwelling radiance in the visible spectrum are calculated using a radiative transfer model. And then, the influences of suspended particulate matter concentrations on the directional variations and the polarization of underwater upwelling radiance are examined. The results reveal that the polarization of underwater upwelling radiance (I, Q, U, DOP) shows significant multidirectional variations with respect to observation geometries, wavelengths, and solar zenith angles. Moreover, the polarization of underwater upwelling radiance is highly related to the suspended particulate matter concentrations. It demonstrates the potential of using the polarized signal to retrieve particle concentrations in coastal waters. Therefore, the development of in-situ instrumentations and next generation of ocean color sensors should able to measure the polarization properties of water-leaving radiance are recommended. © Copyright 2018 SPIE.
Department遥感与智能信息系统研究中心
DOI10.1117/12.2325293
Indexed ByEI
ISBN9781510621510
Language英语
ISSN0277786X;1996756X
EI Accession Number20184606079222
Citation statistics
Document Type会议论文
Identifierhttp://ir.opt.ac.cn/handle/181661/30727
Collection遥感与智能信息系统研究中心
Corresponding AuthorLiu, Jia
Affiliation1.Laboratory of Remote Sensing and Intelligent Information System, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China;
2.State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, State Oceanic Administration, Hangzhou; 310012, China
Recommended Citation
GB/T 7714
Liu, Jia,Liu, Jiahang,He, Xianqiang,et al. Polarization characterics of underwater, upwelling radiance of suspended particulate matters in turbid waters based on radiative transfer simulation[C]:SPIE,2018.
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