Review of lidar contributions to the description and understanding of the middle atmosphere

Computer Science – Sound

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Atmospheric Sounding, Middle Atmosphere, Optical Radar, Radar Measurement, Atmospheric Temperature, Ozone, Rayleigh Scattering

Scientific paper

A review of the main achievements of the active sounding of the middle atmosphere by lidar in recent years is given. The paper concentrates on three topics corresponding to three distinct lidar techniques: resonance scattering, Rayleigh scattering and differential absorption. Resonance lidar sounding of the different metals of meteoric origin has led to a satisfactory modeling of the behavior of these species in the mesosphere. Rayleigh lidar has demonstrated its ability to measure density and absolute temperature on an operational basis (results relating to both large scale and small scale dynamics are presented). Finally, the use of differential absorption to obtain ozone profiles is shown to offer a possibility for long term monitoring of stratospheric ozone, thereby providing a description of the temporal and spatial variability of ozone in the lower stratosphere.

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