Effects of vertical chlorophyll structure and solar irradiance on remote sensing of the ocean color spectrum

Robert A. Arnone; Richard W. Gould; Ramon A. Oriol; Gregory E. Terrie

doi:10.1117/12.190075

26 October 1994 Effects of vertical chlorophyll structure and solar irradiance on remote sensing of the ocean color spectrum

Robert A. Arnone; Richard W. Gould; Ramon A. Oriol; Gregory E. Terrie;

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Proceedings Volume 2258, Ocean Optics XII; (1994) https://doi.org/10.1117/12.190075
Event: Ocean Optics XII, 1994, Bergen, Norway

Abstract

A model has been developed to investigate the influence of the subsurface chlorophyll profile on the complete spectral water-leaving radiance (ocean color) from 400 - 700 nm. The spectral reflectivity of vertical chlorophyll layers is modeled and coupled with the spectral incident irradiance at the sea surface. Model results indicate similar water-leaving radiance signatures can be obtained from different subsurface chlorophyll profiles. This model provides an interpretation of remote sensing ocean color signatures and possible subsurface structure. The inherent optical properties of the backscatter and absorption coefficient which are determined from the vertical chlorophyll profile for Case I waters are used to calculate the subsurface spectral reflectivity at layer depths. Subsurface reflectivity models are coupled with an atmospheric model of the incident solar irradiance spectrum. The atmospheric irradiance model was run for different cloud cover and different optical depths (ozone, aerosol). The coupled model results compute the remote sensing color spectrum (upwelling radiance) at the sea surface.

Citation Download Citation

Robert A. Arnone, Richard W. Gould, Ramon A. Oriol, Gregory E. Terrie, "Effects of vertical chlorophyll structure and solar irradiance on remote sensing of the ocean color spectrum", Proc. SPIE 2258, Ocean Optics XII, (26 October 1994); doi: 10.1117/12.190075; https://doi.org/10.1117/12.190075

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