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  1. A. Bricaud, A. Morel, “Light Attenuation and Scattering by Phytoplanktonic Cells: A Theoretical Modeling,” Appl. Opt. 25, 571 (1986).
    [CrossRef] [PubMed]
  2. H. C. van de Hulst, Light Scattering by Small Particles (Wiley, New York, 1957).
  3. A. Morel, A. Bricaud, “Inherent Optical Properties of Algal Cells Including Picoplankton: Theoretical and Experimental Results,” Can. Bull. Fish. Aquat. Sci. 214, 521 (1986).
  4. D. Stramski, A. Morel, “Optical Properties of Photosynthetic Picoplankton in Different Physiological States as Affected by Growth Irradiance” (in preparation).

1986

A. Bricaud, A. Morel, “Light Attenuation and Scattering by Phytoplanktonic Cells: A Theoretical Modeling,” Appl. Opt. 25, 571 (1986).
[CrossRef] [PubMed]

A. Morel, A. Bricaud, “Inherent Optical Properties of Algal Cells Including Picoplankton: Theoretical and Experimental Results,” Can. Bull. Fish. Aquat. Sci. 214, 521 (1986).

Bricaud, A.

A. Bricaud, A. Morel, “Light Attenuation and Scattering by Phytoplanktonic Cells: A Theoretical Modeling,” Appl. Opt. 25, 571 (1986).
[CrossRef] [PubMed]

A. Morel, A. Bricaud, “Inherent Optical Properties of Algal Cells Including Picoplankton: Theoretical and Experimental Results,” Can. Bull. Fish. Aquat. Sci. 214, 521 (1986).

Morel, A.

A. Bricaud, A. Morel, “Light Attenuation and Scattering by Phytoplanktonic Cells: A Theoretical Modeling,” Appl. Opt. 25, 571 (1986).
[CrossRef] [PubMed]

A. Morel, A. Bricaud, “Inherent Optical Properties of Algal Cells Including Picoplankton: Theoretical and Experimental Results,” Can. Bull. Fish. Aquat. Sci. 214, 521 (1986).

D. Stramski, A. Morel, “Optical Properties of Photosynthetic Picoplankton in Different Physiological States as Affected by Growth Irradiance” (in preparation).

Stramski, D.

D. Stramski, A. Morel, “Optical Properties of Photosynthetic Picoplankton in Different Physiological States as Affected by Growth Irradiance” (in preparation).

van de Hulst, H. C.

H. C. van de Hulst, Light Scattering by Small Particles (Wiley, New York, 1957).

Appl. Opt.

Can. Bull. Fish. Aquat. Sci.

A. Morel, A. Bricaud, “Inherent Optical Properties of Algal Cells Including Picoplankton: Theoretical and Experimental Results,” Can. Bull. Fish. Aquat. Sci. 214, 521 (1986).

Other

D. Stramski, A. Morel, “Optical Properties of Photosynthetic Picoplankton in Different Physiological States as Affected by Growth Irradiance” (in preparation).

H. C. van de Hulst, Light Scattering by Small Particles (Wiley, New York, 1957).

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Figures (4)

Fig. 1
Fig. 1

Spectra of efficiency factors for attenuation Q ¯ c, scattering Q ¯ b, and absorption Q ¯ a of the cyanobacterium Synechocystis deduced from the spectrophotometric measurements of absorption and attenuation and from the cell size distribution determined with the electronic particle counter combined with an epifluorescence technique for cells counting. In both panels, the growth irradiance for the cyanobacterium culture is indicated. The inset shows the mean size distribution of the Synechocystis population (in relative units). This distribution is practically insensitive to changes in growth irradiance.

Fig. 2
Fig. 2

Upper panel: the decomposition of the n′(λ) spectrum into distinct oscillators and its recomposition for the Synechocystis culture grown under 20 μE · m−2 s−1. Lower panel: the spectral variations of the real part of the refractive index (solid line) as recomposed from the oscillators (dotted lines). The wavelengths λ are indicated by arrows.

Fig. 3
Fig. 3

As in Fig. 2 but for growth irradiance of 700 μE m−2 s−1 (note change of ordinate scales from Fig. 2).

Fig. 4
Fig. 4

Upper panel: the spectrum of the experimental efficiency factor for attenuation compared with that representative of an NAE cell computed for the determined central values 1 + . Lower panel: the real part of the refractive index obtained from the iterative scheme (solid lines) compared with that estimated from the decomposition into oscillators (dashed lines, the selected values of 1 + are indicated by horizontal arrows). In both panels, the growth irradiance for the Synechocystis culture is indicated.

Equations (4)

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Q ¯ c NAE ( ρ ¯ ) = 0 Q c ( ρ ) F ( ρ ) ρ 2 d ρ [ 0 F ( ρ ) ρ 2 d ρ ] - 1 ,
Q c ( ρ ) = 2 - ( 4 / ρ ) sin ρ + ( 4 / ρ 2 ) ( 1 - cos ρ ) .
Q ¯ c ( ρ ¯ ) = 0 Q c ( ρ ) F ( ρ ) ρ 2 d ρ [ 0 F ( ρ ) ρ 2 d ρ ] - 1 ,
Q c ( ρ ) = 2 - 4 exp ( - ρ tan ζ ) [ ( cos ζ / ρ ) sin ( ρ - ζ ) + ( cos ζ / ρ ) 2 cos ( ρ - 2 ζ ) ] + 4 ( cos ζ / ρ ) 2 cos 2 ζ .

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