Effect of particle size distribution and chlorophyll content on beam attenuation spectra Public Deposited

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This paper was published in Applied Optics and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website:  http://www.opticsinfobase.org/ao/home.cfm. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

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  • The relationships between beam attenuation spectra, chlorophyll and pheophytin pigment concentrations, and particle size distributions are examined for a coastal region (Monterey Bay area) believed to have negligible concentrations of terrestrially derived dissolved organic compounds (during May 1977) but large quantities of phytoplankton and resuspended sediments. It was found that the slope of the beam attenuation spectra increases when the hyperbolic slope of the size distribution increases. The magnitude of this increase in slope was consistent with calculations based on a range of particle diameters from 0.5 to 30 µm, so that it would be possible to predict the slope of the particle size distribution if the slope of the beam attenuation spectra is known. The ratio of chlorophyll and pheophytin pigments to suspended volume concentrations affected the beam attenuation spectra to a lesser degree and in a more complex manner. Because of the strong effect of slope, it was concluded that the chlorophyll and pheophytin pigment content of suspended particles could not be efficiently predicted by means of beam attenuation measurements.
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  • description.provenance : Submitted by Deanne Bruner (deanne.bruner@oregonstate.edu) on 2012-02-20T19:56:23Z No. of bitstreams: 1 ZaneveldRonaldCEOASEffectParticleSize.pdf: 813658 bytes, checksum: 9eea7cd92e9f6ea6571aad9bf65c4e10 (MD5)
  • Applied Optics
  • Vol. 21 no. 21
  • description.provenance : Made available in DSpace on 2012-02-20T19:56:24Z (GMT). No. of bitstreams: 1 ZaneveldRonaldCEOASEffectParticleSize.pdf: 813658 bytes, checksum: 9eea7cd92e9f6ea6571aad9bf65c4e10 (MD5) Previous issue date: 1982-11-01

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