Article | REF: E4311 V2

Atmospheric and Meteorological Lidar Backscatter lidar for aerosols and clouds

Author: Pierre H. FLAMANT

Publication date: February 10, 2020

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7. Atmosphere

Knowledge of the atmosphere is needed to develop efficient lidar methods for applications.

7.1 General structure

The earth's atmosphere is a gaseous film containing suspended particles: aerosols and clouds. The density of the medium is measured by pressure as a function of altitude p (z). The atmosphere is a stratified, two-dimensional medium characterized by significant horizontal movements, but in which vertical exchanges are limited in the absence of convection.

The atmosphere is characterized by :

  • continuously decreasing pressure from the surface;

  • alternating decreasing and increasing temperatures: decreasing from the surface to the tropopause, then...

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