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Remote Sensing Technology and Application
Water Depth Information Extraction with Multi-spectralRemote Sensing in Coral Reefs Region
Wang Jikun1,2,3,Chen Zhenghua2,3,Yu Kefu2,3,Huang Rongyong2,3,Wang Yinghui2,3
(1.School of Environment,Guangxi University,Nanning 530004,China;
2.School of Marine Sciences,Guangxi University,Nanning 530004,China;
3.Coral Reef Research Center,Guangxi University,Nanning 530004,China)
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Abstract  Water depth inversion is of great important to coral reefs’ protection and engineering construction of the coral reef region.As the correlation between the remote sensing radiance and the water depth is a very well,so the band ratio transform and the linear combination transform were adopted to the water depth inversion around coral reefs.Based on the complex topography of coral reefs,these two algorithms were optimized for the water depth inversion.Finally,our experimental results show that the improved ratio transform was suitable for retrieving water depths among 3~5 m and 5~10 m.While none of the models that mentioned in this paper performed well in water depth of 5~10 m,the preliminary conclusion was that coral reefs’ special topographic caused it.
Key words:  Coral reef      Huangyan Island      Water depth inversion      Band ratio transform      Linear combination transform     
Received:  16 March 2016      Published:  16 March 2018
TP 79  
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Articles by authors
Wang Jikun
Chen Zhenghua
Yu Kefu
Huang Rongyong
Wang Yinghui

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Wang Jikun,Chen Zhenghua,Yu Kefu,Huang Rongyong,Wang Yinghui. Water Depth Information Extraction with Multi-spectralRemote Sensing in Coral Reefs Region. Remote Sensing Technology and Application, 2018, 33(1): 61-67.

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