Empirical ocean color algorithm for estimating particulate organic carbon in the South China Sea
Hu Shuibo; Cao Wenxi; Wang Guifen; Xu Zhantang; Zhao Wenjing; Lin Junfang; Zhou Wen; Yao Linjie; wxcao@scsio.ac.cn
2015
发表期刊CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
卷号33期号:3页码:764-778
文章类型0254-4059
摘要We examined regional empirical equations for estimating the surface concentration of particulate organic carbon (POC) in the South China Sea. These algorithms are based on the direct relationships between POC and the blue-to-green band ratios of spectral remotely sensed reflectance, R (rs) (lambda (B))/R (rs)(555). The best error statistics among the considered formulas were produced using the power function POC (mg/m(3))=262.173 [R (rs)(443)/R (rs)(555)](-0.940). This formula resulted in a small mean bias of approximately -2.52%, a normalized root mean square error of 31.1%, and a determination coefficient of 0.91. This regional empirical equation is different to the results of similar studies in other oceanic regions. Our validation results suggest that our regional empirical formula performs better than the global algorithm, in the South China Sea. The feasibility of this band ratio algorithm is primarily due to the relationship between POC and the green-toblue ratio of the particle absorption coefficient. Colored dissolved organic matter can be an important source of noise in the band ratio formula. Finally, we applied the empirical algorithm to investigate POC changes in the southwest of Luzon Strait.
部门归属[Hu Shuibo; Cao Wenxi; Wang Guifen; Xu Zhantang; Lin Junfang; Zhou Wen; Yao Linjie] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China; [Hu Shuibo; Wang Guifen; Zhao Wenjing; Lin Junfang; Yao Linjie] Univ Chinese Acad Sci, Beijing 100049, Peoples R China ; LTO
关键词Particulate Organic Carbon (Poc) Ocean Color Algorithm South China Sea (Scs) Modis Remote Sensing
学科领域Marine & Freshwater Biology ; Oceanography
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/15091
专题热带海洋环境国家重点实验室(LTO)
通讯作者wxcao@scsio.ac.cn
推荐引用方式
GB/T 7714
Hu Shuibo,Cao Wenxi,Wang Guifen,et al. Empirical ocean color algorithm for estimating particulate organic carbon in the South China Sea[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2015,33(3):764-778.
APA Hu Shuibo.,Cao Wenxi.,Wang Guifen.,Xu Zhantang.,Zhao Wenjing.,...&wxcao@scsio.ac.cn.(2015).Empirical ocean color algorithm for estimating particulate organic carbon in the South China Sea.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,33(3),764-778.
MLA Hu Shuibo,et al."Empirical ocean color algorithm for estimating particulate organic carbon in the South China Sea".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 33.3(2015):764-778.
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