Spectral absorption coefficient of phytoplankton and its relation to chlorophyll a and remote sensing reflectance in coastal waters of southern China
Cao, WX; Yang, YZ; Liu, S; Xu, XQ; Yang, DT; Zhang, JL; wxcao@scsio.ac.cn
2005
发表期刊PROGRESS IN NATURAL SCIENCE
ISSN1002-0071
卷号15期号:4页码:342-350
摘要The spectral absorption coefficient of phytoplankton in coastal waters of southern China is investigated. Large variations in the absorption coefficient of phytoplankton are found. The absorption coefficient of phytoplankton at 443 urn ranged from 0.006 m(-1) to 0.484 m(-1), with an average value of 0.067 m(-1). The chlorophyll-specific absorption coefficient of phytoplankton is also a bio-optical variable, with a spectrally averaged value of 0.025 m(2) (.) mg(-1). The variations of chlorophyll-specific absorption coefficient are mainly attributed to pigment composition of phytoplankton and package effect. The chlorophyll-specific absorption coefficient of phytoplankton decreases with the increasing of chlorophyll a concentration. This relationship can be described by a power law function, with the parameters and the coefficient of determination r(2) as functions of wavelength, but the parameters describing the relationships in present study differed from that in Case 1 waters, thus the regional adjustment of model parameters was of particular significance for improving the accuracy of bio-optical algorithms for estimation of Chl-a concentration and primary production from remotely sensed data. Regression analysis of reflectance (R-D) ratio and absorption coefficient of phytoplankton (a(ph)) indicates a close correlation between them, which means that it is possible to retrieve absorption coefficient of phytoplankton using ocean color remote sensing data in optically complex coastal waters.
部门归属Chinese Acad Sci, LED Lab, S China Sea Inst Oceanol, Guangzhou 510301, Peoples R China
关键词Absorption Coefficient Phytoplankton Chlorophyll Remote Sensing Bio-optical Model Coastal Waters
学科领域Multidisciplinary Sciences
收录类别sci
资助项目LED
WOS记录号WOS:000229450000009
引用统计
被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/5719
专题热带海洋环境国家重点实验室(LTO)
通讯作者wxcao@scsio.ac.cn
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Cao, WX,Yang, YZ,Liu, S,et al. Spectral absorption coefficient of phytoplankton and its relation to chlorophyll a and remote sensing reflectance in coastal waters of southern China[J]. PROGRESS IN NATURAL SCIENCE,2005,15(4):342-350.
APA Cao, WX.,Yang, YZ.,Liu, S.,Xu, XQ.,Yang, DT.,...&wxcao@scsio.ac.cn.(2005).Spectral absorption coefficient of phytoplankton and its relation to chlorophyll a and remote sensing reflectance in coastal waters of southern China.PROGRESS IN NATURAL SCIENCE,15(4),342-350.
MLA Cao, WX,et al."Spectral absorption coefficient of phytoplankton and its relation to chlorophyll a and remote sensing reflectance in coastal waters of southern China".PROGRESS IN NATURAL SCIENCE 15.4(2005):342-350.
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