Groundwater threat to rivers worse than suspected

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2:21 AM Fri 12 Nov 2010 GMT

'Photo: Ian Overton CSIRO Ref 10/132' &copy Copyright CSIRO Australia Click Here to view large photo

Excessive groundwater development represents a greater threat to nearby rivers and streams during dry periods (low flows) than previously thought, according to research released today by CSIRO. In an address to the Groundwater 2010 Conference in Canberra, CSIRO Water for a Healthy Country Flagship scientist, Dr David Rassam, said land-use practices that reduce groundwater recharge into rivers and streams could significantly reduce low flows in nearby rivers and streams. 'Many rivers are highly dependent on 'base-flow' from groundwater to keep running through dry times and traditional ways of managing groundwater pumping follow a 'safe yield' approach which balances the amount ...

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by CSIRO

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