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Backscatter near-end solution in processing of scanning lidar data
Applied Optics
|September 15, 2015
Summary
This study introduces a new lidar data processing technique to improve atmospheric profiling. It extends reliable measurements to higher altitudes by combining a near-end solution with a constant lidar ratio assumption.
Area of Science:
- Atmospheric Science
- Remote Sensing
- Lidar Technology
Background:
- Classic multiangle lidar data processing has limited reliable atmospheric profiling height.
- Existing methods struggle to invert optical profiles from distant or near-zenith signals.
Purpose of the Study:
- To develop a data processing technique for extending reliable atmospheric profiling heights with scanning lidar.
- To address limitations in inverting signals measured at distant ranges and near zenith.
Main Methods:
- Utilized an auxiliary backscatter near-end solution.
- Assumed a constant lidar ratio over high altitudes.
- Combined these approaches for enhanced data processing.
Main Results:
- The developed technique increases the maximum profiling heights achievable with scanning lidar.
- Demonstrated effectiveness using both simulated and experimental data.
- Successfully inverted optical profiles from previously challenging signal ranges.
Conclusions:
- The combined lidar data processing technique offers a significant improvement for atmospheric profiling.
- This method enhances the utility of scanning lidar for studying the upper atmosphere.
- Provides a more comprehensive understanding of atmospheric optical properties.
