19 October 2016 A coordinated retrieval method for sea surface salinity based on SMOS and ocean color data
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Abstract
A coordinated retrieval method for sea surface salinity based on SMOS and ocean color data was developed. The method retrieved sea surface salinity in open sea based on SMOS data, and those with much RFIs in the coastal area using ocean color data, aCDOM. Tight relationships between surface water salinity and in situ aCDOM were found during the cruises in the Yangtze River estuary on April 2013 and Hangzhou Bay in May 2014, distributions of aCDOM revealed gradual downward trends of magnitudes, as water flowed down the Yangtze River estuary into the ECS coast. A dilution process was detected as water flowed down the Yangtze River and into the ECS coast. Thus, a salinity inversion model from the negative relationship between salinity and aCDOM was developed firstly. Then we matched the SSS products with different spatial resolution retrieved based on SMOS and ocean color and combined them. In the end, we compared the SSS measurements between those based on only SMOS data and those based on method in this paper, and found that the method can make up the phenomenon of lack of data effectively.
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Peng Chen, Tianyu Wang, Zhihua Mao, Yan Bai, Zengzhou Hao, "A coordinated retrieval method for sea surface salinity based on SMOS and ocean color data", Proc. SPIE 9999, Remote Sensing of the Ocean, Sea Ice, Coastal Waters, and Large Water Regions 2016, 999914 (19 October 2016); doi: 10.1117/12.2241337; https://doi.org/10.1117/12.2241337
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