Wavelength-specific fluorescence coefficients for simulating hyperspectral reflectance signatures of water

Charles R. Bostater Jr.; Jan Rebman

doi:10.1117/12.373140

17 December 1999 Wavelength-specific fluorescence coefficients for simulating hyperspectral reflectance signatures of water

Charles R. Bostater Jr., Jan Rebman

Author Affiliations +

Proceedings Volume 3868, Remote Sensing for Earth Science, Ocean, and Sea Ice Applications; (1999) https://doi.org/10.1117/12.373140
Event: Remote Sensing, 1999, Florence, Italy

Abstract

A model which describes the transfer of irradiant light in water is used to predict the fluorescence response of the water surface reflectance under solar induced or an artificial light source such as a laser. Formulations for the estimation of wavelength dependent fluorescent coefficients. The techniques allows the description of a fluorescence reflectance response in deep and shallow waters with various bottom reflectance signatures such as submerged vegetation, corals and sand. Recent advances in the model are presented for obtaining wavelength dependent fluorescence spectrum responses from the solutions of the two flow equations following the procedures developed by Bostater. Synthetic or modeled signatures are presented using in-situ data from the Space Coast of central Florida, USA and the southeastern Atlantic waters near Beaufort, South Carolina. The synthetic or modeled signatures are also dependent upon the attenuation length of the water based upon knowledge of the diffuse attenuation coefficient (k), the beam attenuation (c) or the absorption coefficient (a). The model has potential applications for helping to select remote sensing optimal channels or bands useful in near nadir viewing geometry of estuarine or coastal water columns overlying shallow sand, submerged vegetation, or coral reefs. The analytical solution to the two-flow equations developed by Bostater have transferability to complex but important water quality detection problems that can be assisted using fluorescence processes.

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Charles R. Bostater Jr. and Jan Rebman "Wavelength-specific fluorescence coefficients for simulating hyperspectral reflectance signatures of water", Proc. SPIE 3868, Remote Sensing for Earth Science, Ocean, and Sea Ice Applications, (17 December 1999); https://doi.org/10.1117/12.373140

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