Effect of algae and water on water color shift |
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Authors: | Yang Shengguang Xia Daying Yang Xiaolong Zhao Jun |
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Institution: | (1) First Institute of Oceanography, SOA, 266003 Qingdao;(2) Ocean University of Qingdao, 266003 Qingdao, China |
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Abstract: | This study showed that the combined effect of absorption of planktonic algae and water on water color shift can be simulated
approximately by the exponential function: Log(E
100cm
W
+E
100cm
Xch1
)=0.002λ−2.5 whereE
100 cm
W
,E
100cm
Xchl
are, respectively, extinction coefficients of seawater and chlorophyll—a (concentration is equal toX mg/m3), and λ (nm) is wavelength.
This empirical regression equation is very useful for forecasting the relation between water color and biomass in water not
affected by terrigenous material. The main factor affecting water color shift in the ocean should be the absorption of blue
light by planktonic algae. |
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Keywords: | |
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