Impacto de los eventos de sequía en la región de la cuenca hidrográfica de la laguna Sauce Grande (Provincia de Buenos Aires, Argentina)

Published in Investigaciones Geográficas, no. 63

Carbone, M.E., Fornerón, C.F. and Piccolo, M.C.

Publication year 2015

Instituto Argentino de Oceanografía, Departamento de Geografía y Turismo

IAI Program


IAI Project CRN3038


The distribution and intensity of extreme water causes a direct impact on human activities. Dry and wet events in the region of the watershed of the Sauce Grande lagoon during the period 1971 - 2010 are analyzed through the application of Index of Palmer drought severity, 49% of the cases analyzed corresponded to weak, and emerging drought . The most extreme dry events values (-4.31) caused irreparable
damage yields, which decreased by 19 % compared to the current average . During the summer months the severe and extreme (12 %) cases were observed. Dry periods had greater influence on livestock farming in the region, occurring during the years 2008 and 2009, the relationship between this values of the indices and severe extremes in the morphometry of the lagoon and the Sauce Grande estuary were