Lidar-Radiometer Inversion Code (LIRIC) for the retrieval of vertical aerosol properties from combined lidar/radiometer data: development and distribution in EARLINET - Archive ouverte HAL Access content directly
Journal Articles Atmospheric Measurement Techniques Year : 2016

Lidar-Radiometer Inversion Code (LIRIC) for the retrieval of vertical aerosol properties from combined lidar/radiometer data: development and distribution in EARLINET

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Anatoli Chaikovsky
  • Function : Author
Brent Holben
Andrey Bril
  • Function : Author
Gelsomina Pappalardo
  • Function : Author
Ulla Wandinger
  • Function : Author
Ludmila Chaikovskaya
  • Function : Author
Sergey Denisov
  • Function : Author
Jan Grudo
  • Function : Author
Anton Lopatin
  • Function : Author
Yana Karol
  • Function : Author
Vassilis Amiridis
  • Function : Author
Albert Ansmann
  • Function : Author
Arnoud Apituley
Lucas Allados-Arboledas
  • Function : Author
Ioannis Binietoglou
  • Function : Author
Antonella Boselli
  • Function : Author
Giuseppe d'Amico
  • Function : Author
Volker Freudenthaler
  • Function : Author
David Giles
  • Function : Author
María José Granados-Muñoz
  • Function : Author
Panayotis Kokkalis
  • Function : Author
Doina Nicolae
  • Function : Author
Sergey Oshchepkov
  • Function : Author
Alex Papayannis
  • Function : Author
Maria Rita Perrone
  • Function : Author
Alexander Pietruczuk
  • Function : Author
Francesc Rocadenbosch
  • Function : Author
Michaël Sicard
  • Function : Author
Ilya Slutsker
  • Function : Author
Camelia Talianu
  • Function : Author
Ferdinando de Tomasi
  • Function : Author
Alexandra Tsekeri
  • Function : Author
Janet Wagner
  • Function : Author
Xuan Wang

Abstract

This paper presents a detailed description of LIRIC (LIdar-Radiometer Inversion Code) algorithm for simultaneous processing of coincident lidar and radiometric (sun photometric) observations for the retrieval of the aerosol concentration vertical profiles. As the lidar/radiometric input data we use measurements from European Aerosol Research Lidar Network (EARLINET) lidars and collocated sun-photometers of Aerosol Robotic Network (AERONET). The LIRIC data processing provides sequential inversion of the combined lidar and radiometric data. The algorithm starts with the estimations of column-integrated aerosol parameters from radiometric measurements followed by the retrieval of height dependent concentrations of fine and coarse aerosols from lidar signals using integrated column characteristics of aerosol layer as a priori constraints. The use of polarized lidar observations allows us to discriminate between spherical and non-spherical particles of the coarse aerosol mode.The LIRIC software package was implemented and tested at a number of EARLINET stations. Intercomparison of the LIRIC-based aerosol retrievals was performed for the observations by seven EARLINET lidars in Leipzig, Germany on 25 May 2009. We found close agreement between the aerosol parameters derived from different lidars that supports high robustness of the LIRIC algorithm. The sensitivity of the retrieval results to the possible reduction of the available observation data is also discussed.
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Dates and versions

insu-03686213 , version 1 (03-06-2022)

Licence

Attribution - CC BY 4.0

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Anatoli Chaikovsky, Oleg Dubovik, Brent Holben, Andrey Bril, Philippe Goloub, et al.. Lidar-Radiometer Inversion Code (LIRIC) for the retrieval of vertical aerosol properties from combined lidar/radiometer data: development and distribution in EARLINET. Atmospheric Measurement Techniques, 2016, 9, pp.1181-1205. ⟨10.5194/amt-9-1181-2016⟩. ⟨insu-03686213⟩
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