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Ganges flow could double at 2 degrees C global warming

IANS  |  London 

Examining how could raise risk across the world, researchers have projected that the flow of the river could more than double at 2 degrees Celsius global warming, with floods putting at risk in countries like

"is expected to lead to more extremes of both heavy rainfall and drought, with different effects in different parts of the world," said Richard Betts, at the in Britain.

"Such weather extremes can increase vulnerability to food insecurity," Betts added.

The study looked at the difference between of 1.5 degree Celsius and 2 degree Celsius (compared to pre-industrial levels).

The findings, published in the journal Philosophical Transactions of the Royal Society A, showed that despite increased vulnerability to in both scenarios - the effects would be worse for most countries at 2 degrees Celsius.

"Some change is already unavoidable, but if is limited to 1.5 degree Celsius, this vulnerability is projected to remain smaller than at 2 degrees Celsius in approximately 76 per cent of developing countries," Betts added.

Using a new global model based on patterns of sea-surface temperatures and sea ice, the researchers looked at 122 developing and least-developed countries, mostly in Asia, and

The researchers examined projected changes in weather extremes and their implications for freshwater availability and vulnerability to

They found that warming was expected to lead to wetter conditions on average -- with floods putting at risk -- but agriculture could also be harmed by more frequent and prolonged droughts in some areas.

Wetter conditions were expected to have the biggest impact in South and East and the areas worst affected by droughts were expected to be and - where flows in the are projected to decline by up to 25 per cent, the findings showed.



(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)

First Published: Mon, April 02 2018. 14:40 IST