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South America: Intense water deficits in C Brazil, Peru, Chile

South America: Intense water deficits in C Brazil, Peru, Chile

The forecast through July indicates widespread water deficits across central Brazil, exceptional in Tocantins, Mato Grosso, Goiás, and the Paraná River. Deficits are also expected in central Peru and much of Chile. Surpluses are forecast in the northwestern Amazon Basin.

South America: Water deficits in central Brazil

South America: Water deficits in central Brazil

The forecast through June indicates widespread water deficits in central Brazil, exceptional in Tocantins. Surpluses are forecast in the central Amazon Basin of Brazil and in Colombia. Deficits will linger in northern Argentina, the Pampas, and Chile.

Many analyses reported in ISciences-authored blog posts are based on data generated by the ISciences Water Security Indicator Model (WSIM). Other sources, if used, are referenced in footnotes accompanying individual posts. WSIM is a validated capability that produces monthly reports on current and forecast global freshwater surpluses and deficits with lead times of 1-9 months at 0.25°x0.25° resolution. This capability has been in continuous operation since April 2011 and has proven to provide reliable forecasts of emerging water security concerns in that time-frame. WSIM has the ability to assess the impacts of water anomalies on people, agriculture, and electricity generation. Detailed data, customized visualizations, and reports are available for purchase.

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