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Fifteen Years of Stratospheric Nitrogen Dioxide and Ozone Measurements in Antarctica (Contributo in atti di convegno)

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Fifteen Years of Stratospheric Nitrogen Dioxide and Ozone Measurements in Antarctica (Contributo in atti di convegno) (literal)

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Bortoli, D (Bortoli, D.)[ 1 ] ; Ravegnani, F (Ravegnani, F.); Giovanelli, G (Giovanelli, G.); Kulkarni, PS (Kulkarni, P. S.)[ 1 ] ; Anton, M (Anton, M.); Costa, MJ (Costa, M. J.)[ 1 ] ; Silva, AM (Silva, A. M.)[ 1 ] (2013)
Fifteen Years of Stratospheric Nitrogen Dioxide and Ozone Measurements in Antarctica
in International Radiation Symposium on Radiation Processes in the Atmosphere and Ocean (IRS), Free Univ Berlin, Berlin, GERMANY, AUG 06-10, 2012
(literal)

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Bortoli, D (Bortoli, D.)[ 1 ] ; Ravegnani, F (Ravegnani, F.); Giovanelli, G (Giovanelli, G.); Kulkarni, PS (Kulkarni, P. S.)[ 1 ] ; Anton, M (Anton, M.); Costa, MJ (Costa, M. J.)[ 1 ] ; Silva, AM (Silva, A. M.)[ 1 ] (literal)

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CNR-ISAC via P. Gobetti, 101 - 40129 Bologna, Italy Univ Evora, Evora Geophys Ctr, Rua Romao Ramalho 59, P-7000 Evora, Portugal. (literal)

Titolo

Fifteen Years of Stratospheric Nitrogen Dioxide and Ozone Measurements in Antarctica (literal)

Abstract

The stratospheric NO2 and O-3 total columns and vertical profiles retrieved from the measurements performed the last 15 years by the GASCOD spectrometer installed at the Mario Zucchelli Antarctic Station (MZS) -74.69S, 164.12E, are presented here and briefly discussed. The full dataset of the spectral data obtained with GASCOD during the period 1996-2009, was re-analyzed with a modified version of the software tool previously utilized. The uncertainties range from 4% up to 8% for O-3 and from 3% tup o 6% for NO2. The peculiar features of the seasonal variation of O-3 (i.e. during the 'Ozone Hole' periods (mid-August to mid-October) and NO2 total columns (i.e. the normal decreasing during the austral fall and the irregular growing towards the spring months) are clearly identified. For the first time, the NO2 total columns values, obtained with the GASCOD installed at MZS, are compared with the data obtained with satellite borne equipments (SCIAMACHY, GOME and OMI). (literal)

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