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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union
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Discussion papers
https://doi.org/10.5194/amt-2019-315
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-2019-315
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Submitted as: research article 07 Oct 2019

Submitted as: research article | 07 Oct 2019

Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Atmospheric Measurement Techniques (AMT).

A new lidar inversion method using a surface reference target. Application to the backcattering coefficient and lidar ratio retrievals of a fog-oil plume at short-range

Florian Gaudfrin1,2,3, Olivier Pujol2, Romain Ceolato1, Guillaume Huss3, and Nicolas Riviere1 Florian Gaudfrin et al.
  • 1ONERA/DOTA, Université de Toulouse, F-31055 Toulouse – France
  • 2Université de Lille, Département de physique, Laboratoire d’optique atmosphérique, 59655 Villeneuve d’Ascq, France
  • 3LEUKOS, 37 rue Henri Giffard, 87280 Limoges, France

Abstract. In this paper, a new elastic lidar inversion equation is presented. It is based on the backscattering signal from a surface reference target (SRT) rather than that from a volumetric layer of reference (Rayleigh molecular scatterer) as usually done. The method presented can be used when the optical properties of such a layer are not available, e.g. in the case of airborne elastic lidar measurements or when the lidar-target line is horizontal. Also, a new algorithm is described to retrieve the lidar ratio and the backscattering coefficient of an aerosol plume without any a priori assumptions about the plume. In addition, our algorithm allows a determination of the instrumental constant. This algorithm is theoretically tested, viz. by means of simulated lidar profiles, and then using real measurements. Good agreement with available data in the literature has been found.

Florian Gaudfrin et al.
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Florian Gaudfrin et al.
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Short summary
A new elastic lidar inversion equation is presented. It is based on the backscattering signal from a surface reference target rather than that from a volumetric layer of reference as usually done. The method presented can be used in the case of airborne elastic lidar measurements or when the lidar-target line is horizontal. Also, a new algorithm is described to retrieve the lidar ratio and the backscattering coefficient of an aerosol plume without any a priori assumptions about the plume.
A new elastic lidar inversion equation is presented. It is based on the backscattering signal...
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