ATMOSPHERIC ANALYSIS OF THE EVENTS SECONDARY EFFECT OF ANTARCTIC OZONE HOLE OVER THE SOUTH OF BRAZIL IN 2012. PART 1: IDENTIFICATION OF THE EVENTS AND ANALYSIS OF DYNAMIC IN THE STRATOSPHERE
DOI:
https://doi.org/10.5902/2179460X12141Keywords:
Efeito Secundário do Buraco de Ozônio Antártico, Espectrofotometro BrewerAbstract
In this study were identified events of Influence of the Antarctic ozone hole over southern Brazil in the year 2012. For this, we analyzed the daily average data of total ozone column obtained through Brewer Spectrophotometer, installed in the southern Space Observatory-OESCRSINPE-MCTI (29.4° S; 53.8°; 488 m) and by satellite instruments Total Ozone Mapping Spectrometer (TOMS) and Ozone Monitoring Instrument (OMI), seeking days of falls in the ozone content. For these days, we analyzed potential vorticity maps made using Reanalysis data provided by NCEPNCAR and retroactive trajectories made through the Hysplit model of NOAA, in order to verify the origin of the polar air mass poor in ozone. In addition, it was also conducted a complementary analysis through the images of the ozone content of the OMI satellite, verifying the performance of the Antarctic Ozone Hole in polar regions and its connection with the Southern Brazil. The methodology used was shown to be effective in the identification of 2 events of side effect of the Antarctic ozone hole over the South of Brazil, which showed a fall of 12.1 ± 2.3 average in the ozone content.Downloads
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