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Related Experiment Video

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Ocean-color model incorporating transspectral processes.

S Sathyendranath, T Platt

|February 15, 2008

Summary

This summary is machine-generated.

This study extends an elastic-scattering model to include Raman scattering, a key inelastic process affecting ocean color. The new model accurately predicts sea surface reflectance, simplifying calculations for remote sensing applications.

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Area of Science:

Ocean optics
Radiative transfer theory
Remote sensing

Background:

Ocean color is influenced by spectral variations in sea surface reflectance.
Both elastic and inelastic scattering processes contribute to ocean reflectance.
Raman scattering is a significant inelastic process affecting ocean color.

Purpose of the Study:

To extend an existing elastic-scattering model to incorporate Raman scattering.
To derive analytic solutions for a homogeneous, optically deep water column.
To provide a model applicable to remote sensing of ocean color.

Main Methods:

The study utilizes the quasi-single-scattering approximation.
An extension of the Sathyendranath and Platt model is developed.
Analytic solutions are derived for first-order and second-order Raman scattering terms.

Main Results:

The model includes first-order Raman scattering and four second-order terms.
Second-order Raman scattering contributions are typically around 1% of the first-order term.
The model's results are validated against Monte Carlo simulations.

Conclusions:

Higher-order Raman scattering terms can often be neglected in reflectance models.
The developed model offers a simplified approach for remote sensing applications.
The model accurately represents sea surface reflectance, including Raman scattering effects.