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Study of the effects of phytoplankton morphology and vertical profile on lidar attenuated backscatter and depolarization ratio
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2019
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Source: Journal of Quantitative Spectroscopy & Radiative Transfer 225 (2019) 1–15
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Journal Title:Journal of Quantitative Spectroscopy & Radiative Transfer
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Description:Propagation of a lidar beam in a coupled atmosphere-ocean model consisting of multiple atmospheric and upper oceanic layers and a rough ocean surface is studied by using a vectorized Monte Carlo radiative transfer solver optimized specifically for lidar-based remote sensing applications. The effects of assumed phytoplankton morphology variations and its vertical distribution on the lidar attenuated backscatter and depolarization ratio are studied. In this study, a phytoplankton particle is assumed to be a sphere, a sphere with a core, or a randomly distorted hexahedron with or without a core. The single-scattering properties of the nonspherical/inhomogeneous particles are computed using appropriate state-of-the-art light-scattering computational capabilities. Vertical variation of the phytoplankton distribution is derived explicitly using a PAR (photosynthetically active radiation) limited carbon biomass balance equation that is subsequently coupled with the Monte Carlo solver.
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Source:Journal of Quantitative Spectroscopy & Radiative Transfer 225 (2019) 1–15
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Rights Information:Accepted Manuscript
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