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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: Intense water deficits to persist in French Guiana

South America: Intense water deficits to persist in French Guiana

The forecast through October indicates widespread water deficits reaching exceptional intensity in Peru, northern Chile, the eastern and southern Amazon Basin, and French Guiana. Intense deficits are also forecast on the Paraguay River. Surpluses will shrink in eastern Brazil.

ISciences Worldwide Water Watch List August 2020

ISciences Worldwide Water Watch List August 2020

Regions forecast to have significant water deficits for the 12-month period of May 2020 through April 2021 include: Venezuela, French Guiana, Estonia, Latvia, and Quebec (Canada). Areas with a forecast of significant water surplus include: China, Bangladesh, Pakistan, European Russia, and British Columbia (Canada). This Watch List is based on ISciences Water Security Indicator Model v2 (WSIMv2) run on 4 August 2020.


South America: Water deficits to increase in Peru

South America: Water deficits to increase in Peru

The forecast through September indicates significant water deficits in Peru, Mato Grosso and Mato Grosso do Sul in Brazil, Suriname, French Guiana, northern Chile, and on the Paraguay River. Moderate deficits will emerge in central Brazil and surpluses will persist in the east.

ISciences Worldwide Water Watch List May 2020

ISciences Worldwide Water Watch List May 2020

Regions forecast to have significant water deficits for the 12-month period of February 2020 through January 2021 include: Chile, Brazil, French Guiana, Finland, Estonia, Latvia, Belarus, and Ukraine. Areas with a forecast of significant water surplus include: Kenya, Tanzania, Pakistan, Afghanistan, and northern European Russia. This Watch List is based on ISciences Water Security Indicator Model v2 (WSIMv2) run on 4 May 2020.

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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