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Climate change speeding up sea level rise, satellites show

IANS  |  Washington 

has accelerated and the rate at which it is rising is increasing every year, a has revealed.

Researchers, led by the University of Colorado-Boulder professor of Steve Nerem, used the data dating back to 1993 to observe the levels of the world's oceans, reports

Using rather than tide-gauge data that is normally used to measure sea levels allows for more precise estimates of global sea level, since it provides measurements of the open ocean.

The team observed a total rise in the ocean of 7 cm in 25 years of data, which aligns with the generally accepted current rate of of about 3 mm per year, according to a study released on Monday in the Proceedings of the

But that rate was not constant.

Continuous emissions of greenhouse gases are warming the Earth's atmosphere and oceans and melting its ice, causing the rate of to increase, reported.

"This acceleration, driven mainly by accelerated melting in and Antarctica, has the potential to double the total by 2100 as compared to projections that assume a constant rate, to more than 60 cm instead of about 30," said Nerem.

of 65 cm would cause significant problems for coastal cities around the world.

Extreme water levels, such as high tides and surges from strong storms, would be made exponentially worse.

--IANS

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

First Published: Tue, February 13 2018. 12:04 IST
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