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In Brazil’s Cerrado, aquifers are losing more water than they can replace

In Brazil, 68% of municipalities collect freshwater for public supply from deep wells, with water levels seen to be receding. Current knowledge about Brazilian waters is based mainly on surface waters — rivers, flood plains, lakes and reservoirs. A new model developed by the Geological Survey of Brazil promises to refresh knowledge about the dynamics and state of aquifers by combining data from NASA satellites with artificial intelligence tools in order to identify variations in the volume of aquifers.

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