14 August 2001 Intercomparison of ozone profiles measurements by a differential absorption lidar system and satellites at Buenos Aires, Argentina
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Proceedings Volume 4419, 4th Iberoamerican Meeting on Optics and 7th Latin American Meeting on Optics, Lasers, and Their Applications; (2001) https://doi.org/10.1117/12.437161
Event: IV Iberoamerican Meeting of Optics and the VII Latin American Meeting of Optics, Lasers and Their Applications, 2001, Tandil, Argentina
Abstract
A ground-based differential Absorption Lidar (DIAL) system has been implemented at CEILAP laboratory, located in the Buenos Aires industrial suburbs, The goal was to perform measurements of the stratospheric ozone layer. Since early 199 systematic measurements of zone concentration profiles from approximately 18 to 35 km altitude are performed. Our measurements are carried out in 5 hours in average during the night and in cloudless conditions. The DIAL system allows us to calculate directly the ozone profile from the lidar backscattering radiation since it is a self- calibrating technique. The signals processing takes into account the influence of the temperature profile on the ozone cross section. The temperature data is obtained from the radiosondes measurements performed at Ezeira International Airport. The evolution of the stratospheric ozone profile is studied for different months. Results are compared with the data obtained by different satellites like SAGE II and HALOE. The spatial and temporal range of the satellites must be taken into account.
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Andrea F. Pazmino, Andrea F. Pazmino, Elian Wolfram, Elian Wolfram, Eduardo Jaime Quel, Eduardo Jaime Quel, Mario Lavorato, Mario Lavorato, Ruben Piacentini, Ruben Piacentini, Sophie M. Godin-Beekmann, Sophie M. Godin-Beekmann, Jacques Porteneuve, Jacques Porteneuve, Gerard J. Megie, Gerard J. Megie, } "Intercomparison of ozone profiles measurements by a differential absorption lidar system and satellites at Buenos Aires, Argentina", Proc. SPIE 4419, 4th Iberoamerican Meeting on Optics and 7th Latin American Meeting on Optics, Lasers, and Their Applications, (14 August 2001); doi: 10.1117/12.437161; https://doi.org/10.1117/12.437161
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