The summer monsoon in the Brazilian savanna: observations and projections for a double 'CO IND.2' scenario - Carvalho, Leila Maria Véspoli de; Bombardi, Rodrigo José; Silva, Ana E; Rocha, Humberto Ribeiro da; Jones, Charles; Liebmann, Brant (International Conference on Southern Hemisphere Meteorology and Oceanography, 2006)