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学科主题: Multidisciplinary Sciences
题名: Spectral absorption coefficient of phytoplankton and its relation to chlorophyll a and remote sensing reflectance in coastal waters of southern China
作者: Cao, WX ; Yang, YZ ; Liu, S ; Xu, XQ ; Yang, DT ; Zhang, JL
通讯作者: wxcao@scsio.ac.cn
关键词: absorption coefficient ; phytoplankton ; chlorophyll ; remote sensing ; bio-optical model ; coastal waters
刊名: PROGRESS IN NATURAL SCIENCE
发表日期: 2005
卷: 15, 期:4, 页:342-350
收录类别: sci
部门归属: Chinese Acad Sci, LED Lab, S China Sea Inst Oceanol, Guangzhou 510301, Peoples R China
项目归属: LED
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.
WOS记录号: WOS:000229450000009
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/5719
Appears in Collections:热带海洋环境动力实验室(LTO)_期刊论文

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Cao, WX; Yang, YZ; Liu, S; Xu, XQ; Yang, DT; Zhang, JL.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,2005,15(4):342-350
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文件名: Spectral absorption coefficient of phytoplankton and its relation to chlorophyll a and remote sensing reflectance in coastal waters of southern China.pdf
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