Kerala Kaumudi Online
Friday, 19 April 2024 11.07 PM IST

Change in Earth's rotation due to melting polar ice is messing with our time, this is how


The whole world is experiencing intense heat. Amid concerning reports on global warming, a scientist has made a shocking revelation. In a study published in the British Journal, the speed of the Earth's rotation has slowed down and this affects time. The study was conducted by Duncan Agnew, a geophysicist at the Scripps Institution of Oceanography at the University of California San Diego.

Global warming has led to the melting of ice at the polar icecaps. Because of these reasons, the Earth rotates at a slower rate than normal, the journal explains. This will reduce the time by one second. This may cause the world timekeepers to reduce one second from the clock by 2029 due to a phenomenon named 'negative leap second'.

"This will pose an unprecedented problem for computer network timing and may require changes in UTC to be made earlier than is planned," according to the study.

The melting of ice at the poles causes changes in where the Earth's mass is concentrated. Duncan Agnew points out that this affects the Earth's angular velocity. And the scientist explains that it causes the mass around the Earth's equator to increase, which affects the rotation of the Earth.

Many studies have pointed out that the speed of rotation of the earth slowed millions of years ago. 70 million years ago the days were very short- 23.5 hours per day, a study in Paleoceanography and Paleoclimatology claims.

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