Southern Annular Mode Andes 8 annual variation 8 Atmospheric pressure 6 El Nino-Southern Oscillation 6 Global warming 6 Patagonia 6 South America 6 climate modeling 6 climate variation 6 Argentina 4 Climate models 4 Drought 4 Interannual variability 4 Rain 4 anticyclone 4 atmospheric circulation 4 global warming 4 precipitation (climatology) 4 rainfall 4 seasonal variation 4 Altiplano 2 Anthropogenic climate change] 2 Atmospheric circulation 2 Atmospheric temperature 2 Banded structures 2 Bellingshausen Sea 2 Brazil 2 CMIP 2 Chile 2