Abstract

An optical dataset was collected on a mooring in the Santa Barbara Channel. Radiative transfer modeling and statistical analyses were employed to investigate sources of variability of in situ remote sensing reflectance [rrs(λ,4  m)] and the fQ ratio. It was found that the variability of inherent optical properties and the slope of the particle size distribution (ξ) were strongly related to the variability of rrs(λ,4  m). The variability of fQ was strongly affected by particle type characteristics. A semianalytical radiative transfer model was applied and effects of variable particle characteristics on optical closure were evaluated. Closure was best achieved in waters composed of a mixture of biogenic and minerogenic particles.

© 2007 Optical Society of America

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