A oscilaçao decadal do Pacífico e sua possivel influencia no regime de precipitaçao do Rio Grande do Sul

Ponencia presentada en: XXX Jornadas Científicas de la AME y el IX Encuentro Hispano Luso de Meteorología celebrado en Zaragoza, del 5 al 7 de mayo de 2008.Interdecadal climate variability is also paid more attentions by brazilian scientists, a lot of studies in relation to interdecadal variation have been completed in recent years in several parts of World. In this paper, an introduction in outline for interdecadal climate variation research is appeared and possible influence in Rio Grande do Sul (State of Brazil). The content includes the feature of interdecadal climate variability (precipitation) in , and possible influence in precipitation in state of Rio Grande do Sul and your relation with Pacific Decadal Oscilation (PDO)