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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
Source PublicationPROGRESS IN NATURAL SCIENCE
ISSN1002-0071
Volume15Issue:4Pages:342-350
AbstractThe 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.
DepartmentChinese Acad Sci, LED Lab, S China Sea Inst Oceanol, Guangzhou 510301, Peoples R China
KeywordAbsorption Coefficient Phytoplankton Chlorophyll Remote Sensing Bio-optical Model Coastal Waters
Subject AreaMultidisciplinary Sciences
Indexed Bysci
Funding ProjectLED
WOS IDWOS:000229450000009
Citation statistics
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/5719
Collection热带海洋环境国家重点实验室(LTO)
Corresponding Authorwxcao@scsio.ac.cn
Recommended Citation
GB/T 7714
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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