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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 4 — Feb. 1, 2004
  • pp: 961–976

Aerosol lidar intercomparison in the framework of the EARLINET project. 1. Instruments

Volker Matthais, Volker Freudenthaler, Aldo Amodeo, Ioan Balin, Dimitris Balis, Jens Bösenberg, Anatoly Chaikovsky, Georgius Chourdakis, Adolfo Comeron, Arnaud Delaval, Ferdinando De Tomasi, Ronald Eixmann, Arne Hågård, Leonce Komguem, Stephan Kreipl, Renaud Matthey, Vincenzo Rizi, José António Rodrigues, Ulla Wandinger, and Xuan Wang  »View Author Affiliations


Applied Optics, Vol. 43, Issue 4, pp. 961-976 (2004)
http://dx.doi.org/10.1364/AO.43.000961


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Abstract

In the framework of the European Aerosol Research Lidar Network to Establish an Aerosol Climatology (EARLINET), 19 aerosol lidar systems from 11 European countries were compared. Aerosol extinction or backscatter coefficient profiles were measured by at least two systems for each comparison. Aerosol extinction coefficients were derived from Raman lidar measurements in the UV (351 or 355 nm), and aerosol backscatter profiles were calculated from pure elastic backscatter measurements at 351 or 355, 532, or 1064 nm. The results were compared for height ranges with high and low aerosol content. Some systems were additionally compared with sunphotometers and starphotometers. Predefined maximum deviations were used for quality control of the results. Lidar systems with results outside those limits could not meet the quality assurance criterion. The algorithms for deriving aerosol backscatter profiles from elastic lidar measurements were tested separately, and the results are described in Part 2 of this series of papers [Appl. Opt. 43, 977–989 (2004)]. In the end, all systems were quality assured, although some had to be modified to improve their performance. Typical deviations between aerosol backscatter profiles were 10% in the planetary boundary layer and 0.1 × 10-6 m-1 sr-1 in the free troposphere.

© 2004 Optical Society of America

OCIS Codes
(280.1100) Remote sensing and sensors : Aerosol detection
(280.3640) Remote sensing and sensors : Lidar
(290.1350) Scattering : Backscattering
(290.2200) Scattering : Extinction
(290.5860) Scattering : Scattering, Raman

History
Original Manuscript: March 19, 2003
Revised Manuscript: October 1, 2003
Published: February 1, 2004

Citation
Volker Matthais, Volker Freudenthaler, Aldo Amodeo, Ioan Balin, Dimitris Balis, Jens Bösenberg, Anatoly Chaikovsky, Georgius Chourdakis, Adolfo Comeron, Arnaud Delaval, Ferdinando De Tomasi, Ronald Eixmann, Arne Hågård, Leonce Komguem, Stephan Kreipl, Renaud Matthey, Vincenzo Rizi, José António Rodrigues, Ulla Wandinger, and Xuan Wang, "Aerosol lidar intercomparison in the framework of the EARLINET project. 1. Instruments," Appl. Opt. 43, 961-976 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-4-961

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