Abstract
The side-scattering lidar based on the CCD camera is a powerful tool to measure the near- ground aerosol, which is most interesting for the environmental and meteorological departments. The inversion method for the side-scattering lidar is different from the conventional Fernald method due to the differences in two lidar equations. A new inversion method for the side-scattering lidar to retrieve the aerosol backscattering coefficient is proposed for the first time, which is based on the aerosol backscattering coefficient at the ground as a restriction condition. Numerical simulation is used to analyze the convergence of this new method. Case studies indicate that this new method is reasonable and feasible.REFERENCES
Highlights
Aerosols are colloids of fine solid particles or liquid droplets suspended in the atmosphere
The backscattering lidar system has a shortcoming in the lower hundreds of meters because of the overlap factor caused by the configuration of the transmitter divergence and the receiver’s field of view(FOV) at ranges close to the instrument [7]
A new inversion method for the side-scattering lidar to retrieve the aerosol backscattering coefficient is proposed for the first time, which is based on a prior reference value measured by itself at the ground as a constrained condition
Summary
Aerosols are colloids of fine solid particles or liquid droplets suspended in the atmosphere. A new inversion method for the side-scattering lidar to retrieve the aerosol backscattering coefficient is proposed for the first time, which is based on a prior reference value measured by itself at the ground as a constrained condition.
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