Sands from the Gobi

Dhaka,  Sun,  25 June 2017
Published : 13 May 2017, 16:36:20
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Sands from the Gobi

Hundreds of millions of people across China continue to be impacted by air pollution from factories and coal-fired power plants.

Studies suggest that the dirty air contributes to 1.6 million deaths a year, about 17 per cent of all mortalities.

But this new research says that the human-induced pollution is being made worse or better by naturally occurring dust that blows in from the Gobi desert.

Using models to simulate 150 years of wind and dust patterns in the region, the researchers found that the dust deflects significant amounts of sunlight.

Without it, more heat from the Sun hits the land. Differences in the temperatures between land and sea cause the winds to blow. Without the dust, the land warms up more and that changes the temperature differential with the sea leading to weaker breezes - and more air pollution.

 
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