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Authors: Pappalardo, G.*
Amodeo, A.*
Amoruso, S.*
Mona, L.*
Pandolfi, M.*
Cuomo, V.*
Title: One year of tropospheri clidar measurements of aerosol extinction and backscatter
Issue Date: 2003
Series/Report no.: 46 (2)
Keywords: lidar
Abstract: The aerosol lidar system operational at IMAA-CNR in Tito Scalo (PZ) (Southern Italy, 40°36'N, 15°44'E, 820 m above sea level) is part of the EARLINET project. Systematic lidar measurements of aerosol backscatter and extinction in the troposphere have been performed since May 2000. Aerosol backscatter measurements were performed at both 355 nm and 532 nm, while aerosol extinction coeffi cient were retrieved from simultaneous N2 Raman backscatter signals at 386.6 nm. The observations were performed on a regular schedule of two night time measurements per week (around sunset) and one daytime measurement per week (around 13:00 UTC). Furthermore, special observations concerning Saharan dust outbreaks have been carried out. Starting in May 2000 the lidar measurements performed in Tito Scalo have been collected and analysed. Preliminary results regarding the fi rst year of measurements are reported. In particular, the evolution of the aerosol integrated backscatter and extinction as well as of the mean value of the lidar ratio in the whole aerosol layer is reported. Results show clear evidence of seasonal variation of the observed parameters, with higher values and greater variability during summertime.
Appears in Collections:01.01.08. Instruments and techniques
05.02.99. General or miscellaneous
Annals of Geophysics

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