%0 Conference Proceedings
%4 cptec.inpe.br/walmeida/2004/05.31.10.27
%2 cptec.inpe.br/walmeida/2004/05.31.10.27.46
%T Variabilidade interanual e sazonal da atividade convectiva sobre a America do Sul utilizando dados digitais de imagens de satelite
%D 2000
%A Barbosa, Eduardo Batista de Moraes,
%A Cavalcanti, Iracema Fonseca Albuquerque,
%@affiliation CPTEC-INPE-Cachoeira Paulista-12630-000-SP-Brasil
%B Congresso Brasileiro de Meteorologia, 11.
%C Rio de Janeiro
%8 16-20 out.
%P 789-796
%S Anais
%1 SBMET
%X In this paper the daily infrared data are averaged monthly from 1996 to 1999 and the results are used to show the seasonal and interannual variability of convective activity over South America. The mean field of each season during the four years show the contrasts among the seasons. Concerning the interannual variability of the spring season, there are differences related to the organization of convection from the Amazonia region and Southeast Brazil. Specific analyses in several areas of South America show that there is not high variability with respect to the intensity of mean convective activity from year to year, but there is high interannual variation in number of days with strong activity in all the analyzed areas.
%@language pt
%3 Barbosa_Variabilidade interanual.pdf