Precipitation response to El Niño/La Niña events in Southern South America – emphasis in regional drought occurrences
Olga Clorinda Penalba
Departamento de Ciencias de la Atmósfera y los
Océanos (DCAO/FCEN), Universidad de Buenos Aires, Buenos Aires,
C1428EGA, Argentina
Instituto Franco-Argentino para el Estudio del Clima y
sus Impactos (UMI IFAECI/CNRS), Buenos Aires, C1428EGA,
Argentina
Juan Antonio Rivera
CORRESPONDING AUTHOR
Instituto Argentino de Nivología, Glaciología y
Ciencias Ambientales (IANIGLA/CONICET), Mendoza, 5500,
Argentina
Instituto Franco-Argentino para el Estudio del Clima y
sus Impactos (UMI IFAECI/CNRS), Buenos Aires, C1428EGA,
Argentina
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Latest update: 21 Nov 2024
Short summary
The ENSO phenomenon is one of the key factors that influence the interannual variability of precipitation over Southern South America. We identified the regional response of precipitation to El Niño/La Niña events, with emphasis in drought conditions. We found coherent and significant precipitation responses to ENSO phases at a regional level, with deficits under La Niña conditions. The results provide critical baseline information for the agricultural and water resources sectors.
The ENSO phenomenon is one of the key factors that influence the interannual variability of...