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EARLINET instrument intercomparison campaigns: overview on strategy and results

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Wandinger, Ulla
Freudenthaler, Volker
Baars, Holger
Amodeo, Aldo
Engelmann, Ronny
Mattis, Ina
Gross, Silke
Pappalardo, Gelsomina
Giunta, Aldo
D'Amico, Giuseppe
Chaikovsky, Anatoli
Osipenko, Fiodor
Slesar, Alexander
Nicolae, D.
Belegante, Livio
Talianu, Camelia
Serikov, I.
Linné, Holger
Jansen, Friedhelm
Apituley, Arnoud
Wilson, K.
de Graaf, Martin
Trickl, Thomas
Giehl, H.
Adam, Mariana
Comerón Tejero, AdolfoMés informacióMés informacióMés informació
Muñoz Porcar, ConstantinoMés informacióMés informacióMés informació
Rocadenbosch Burillo, FranciscoMés informacióMés informacióMés informació
Sicard, MichaëlMés informacióMés informació
Tomás Martinez, Sergio
Lange, Diego
Kumar, DhirajMés informació
Pujadas Cordero, Manuel
Molero, Francisco
Fernández, Alfonso J.
Alados Arboledas, Lucas
Bravo Aranda, J. A.
Navas Guzmán, Francisco
Guerrero Rascado, Juan Luis
Granados Muñoz, María José
Preissler, J.
Wagner, F.
Gausa, Michael
Grigorov, I. Ivan
Stoyanov, Dimitar Vassilev
Iarlori, M.
Rizi, Vicenzo
Spinelli, N.
Boselli, Antonella
Wang, Xuan
Lo Feudo, Teresa
Perrone, Maria-Rita
De Tomasi, Ferdinando
Burlizzi, Pasquale
Document typeArticle
Defense date2016-03-10
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
ProjectACTRIS - Aerosols, Clouds, and Trace gases Research Infrastructure Network (EC-FP7-262254)
ITARS - Initial Training for Atmospheric Remote Sensing (EC-FP7-289923)
ACTRIS-2 - Aerosols, Clouds, and Trace gases Research InfraStructure (EC-H2020-654109)
DELICE - DEVELOPING THE EMERGING RESEARCH POTENTIAL OF ROMANIAN LIDAR CENTRE (EC-FP7-229907)
Abstract
This paper introduces the recent European Aerosol Research Lidar Network (EARLINET) quality-assurance efforts at instrument level. Within two dedicated campaigns and five single-site intercomparison activities, 21 EARLINET systems from 18 EARLINET stations were intercompared between 2009 and 2013. A comprehensive strategy for campaign setup and data evaluation has been established. Eleven systems from nine EARLINET stations participated in the EARLINET Lidar Intercomparison 2009 (EARLI09). In this campaign, three reference systems were qualified which served as traveling standards thereafter. EARLINET systems from nine other stations have been compared against these reference systems since 2009. We present and discuss comparisons at signal and at product level from all campaigns for more than 100 individual measurement channels at the wavelengths of 355, 387, 532, and 607¿nm. It is shown that in most cases, a very good agreement of the compared systems with the respective reference is obtained. Mean signal deviations in predefined height ranges are typically below ±2¿%. Particle backscatter and extinction coefficients agree within ±2¿¿×¿¿10-4¿km-1¿sr-1 and ±¿0.01¿km-1, respectively, in most cases. For systems or channels that showed larger discrepancies, an in-depth analysis of deficiencies was performed and technical solutions and upgrades were proposed and realized. The intercomparisons have reinforced confidence in the EARLINET data quality and allowed us to draw conclusions on necessary system improvements for some instruments and to identify major challenges that need to be tackled in the future.
CitationWandinger, U., Freudenthaler, V., Baars, H., Amodeo, A., Engelmann, R., Mattis, I., Gross, S., Pappalardo, G., Giunta, A., D'Amico, G., Chaikovsky, A., Osipenko, F., Slesar, A., Nicolae, D., Belegante, L., Talianu, C., Serikov, I., Linné, H., Jansen, F., Apituley, A., Wilson, K., de Graaf, M., Trickl, T., Giehl, H., Adam, M., Comeron, A., Muñoz, C., Rocadenbosch, F., Sicard, M., Tomás, S., Lange, D., Kumar, D., Pujadas, M., Molero, F., Fernández, A., Alados, L., Bravo-Aranda, J.A., Navas-Guzman, F., Guerrero Rascado, J., Granados, M.J., Preissler, J., Wagner, F., Gausa, M., Grigorov, I., Stoyanov, D., Iarlori, M., Rizi, V., Spinelli, N., Boselli, A., Wang, X., Lo Feudo, T., Perrone, M-R., De Tomasi, F., Burlizzi, P. EARLINET instrument intercomparison campaigns: overview on strategy and results. "Atmospheric measurement techniques", 10 Març 2016, vol. 9, núm. 3, p. 1001-1023. 
URIhttp://hdl.handle.net/2117/84347
DOI10.5194/amt-9-1001-2016
ISSN1867-1381
Publisher versionhttp://www.atmos-meas-tech.net/9/1001/2016/
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