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Multiple-scattering lidar equation.

L R Bissonnette

|December 4, 2010

Summary

This summary is machine-generated.

A new lidar equation accounts for multiple scattering, improving atmospheric measurements. This method allows accurate determination of particle size and extinction coefficient using multi-angle observations.

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Area of Science:

Atmospheric optics
Remote sensing

Background:

Lidar technology relies on accurate scattering models.
Multiple scattering effects in lidar signals are complex and often simplified.

Purpose of the Study:

To derive a multiple-scattering lidar equation.
To provide analytic expressions for signal dependence on physical parameters.
To enable retrieval of atmospheric properties from lidar measurements.

Main Methods:

Phenomenological representation of scattering processes.
Separation of signal contributions (unscattered, singly, and multiply scattered).
Derivation of analytic expressions for lidar signal.

Main Results:

Developed a multiple-scattering lidar equation with explicit parameter dependence.
Validated the equation against Monte Carlo simulations and laboratory data.
Demonstrated successful inversion for extinction coefficient and effective particle radius using multi-field-of-view measurements.

Conclusions:

The derived equation accurately models multiple scattering in lidar.
Multi-angle lidar measurements can effectively retrieve key atmospheric parameters.
The model is applicable for specific cloud-related scattering conditions.