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Title: Ozone seasonal variation with ground-based and satellite equipments at Évora Observatory - Portugal during 2007-2010
Authors: Domingues, Ana Filipa
Bortoli, Daniele
Silva, Ana Maria
Antón, Manuel
Costa, Maria João
Keywords: Ozone
Issue Date: 2011
Publisher: Earth Observation of Global Changes - EOGC
Abstract: The present study deals with the retrieval and analysis of O3 total columns over the Évora Observatory (South of Portugal) for the period 2007-2010. The data-set presented in this paper is derived from spectral measurements carried out with the UV-Vis. Spectrometer for Atmospheric Tracers Monitoring - SPATRAM, installed at the Observatory of the Geophysics Centre of Évora (CGE) –Portugal (38.5ºN; 7.9 ºW, 300 m asl). The results obtained applying Differential Optical Absorption Spectroscopy (DOAS) methodology to the SPATRAM measurements of zenith sky scattered radiation are presented in terms of seasonal variations of O3. The O3 retrieved with SPATRAM instrument confirms the typical seasonal cycle for middle latitudes reaching the maximum during the spring and the minimum during the autumn. The ground-based results obtained for O3 column are also compared with data from OMI instrument onboard Aura Satellite.
Type: article
Appears in Collections:FIS - Artigos em Livros de Actas/Proceedings
CGE - Artigos em Livros de Actas/Proceedings

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