Thursday 4 December 08 - 03:40
 

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Rivers could dry up, claims EA

DROUGHT: A study by the Environment Agency (EA) concludes Britain's rivers could nearly run dry because of climate change, writes Harry Arnold. Researchers predict that wetter winters will not compensate for long hot summers that will cause reduced flow.
The River Thames below Pinkhill Lock: how would it look with flow down by 50%? Photo: Waterway Images
The River Thames below Pinkhill Lock: how would it look with flow down by 50%? Photo: Waterway Images

They estimate that by 2050 summer flows in the rivers Severn and Mersey are likely to be reduced by 80% and that of the River Thames is likely to be down to 50%.

The EA says the recent summer floods are an effect of climate change and that there will still be wet summers, but these and wetter winters will not make up for the overall lack of rain during hotter summers.

The research used projections from the UK Climate Impacts Programme that says that river flows in winter may rise by 15 to 20% by 2050, but flows in late summer and early autumn could fall by as much as 80%, which could result in a total annual drop of up to 15%. Low flows will affect all river users, increase pollution, endanger wildlife and of course threaten boating.

 

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The River Thames below Pinkhill Lock: how would it look with flow down by 50%? Photo: Waterway Images

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