The Days Are Getting Longer Due To Climate Change

Posted: Dec 12 2015, 7:18am CST | by , in News | Latest Science News

The Days are Getting Longer due to Climate Change
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  • The Days are getting Lengthier with the Passage of Time

It appears to be the case that the days are getting lengthier with the passage of time.

The changes in sea levels are being studied by scientists and they are used to predict the effects of climate change in the future.

"In order to fully understand the sea-level change that has occurred in the past century, we need to understand the dynamics of the flow in Earth's core" says Mathieu Dumberry, a professor in physics at the University of Alberta.

Observation of the earth’s core may also lend some vital clues. The sea level changes in the past 100 years are due to changes in the earth’s core. The flow taking placing at the center of the earth is what is causing the changes.

The real change lies in the speed of the earth’s rotation. Water that melts from the glaciers causes sea levels to rise throughout the world.

Also the mass is shifted from the North and South Poles towards the Equator which means that the rotation is slowed down as a result. It is almost like a spinning figure skater extending her arms in order to move slower in a circle.

As for the gravitational effect of the moon, it too plays its role in this scheme. It slows down the days like a lever. However, all this proves nothing. The real game changer is the core which is where the nitty gritty stuff takes place.

Over the past three millennia, the core has been speeding up. But the crust and mantle are slowing down. This slower rotation means that the length of the days is getting longer as time progresses.

About 100 years in the future, the length of a day will be 1.7 milliseconds longer than at present. This might seem like a small and meaningless number but it adds up over millennia to make a considerable difference.

The scientists have made predictions about the sea levels into the 21st century. This way the coastal cities can prepare ahead of time for upcoming tsunamis and floods.

What is at stake is billions of dollars worth of infrastructure and civil engineering projects. The livelihoods of the inhabitants of whole cities and towns are in jeopardy due to these predictions which are all too real.

This is not catastrophe science. It is realism at its bitterest. And such facts must be faced squarely instead of hiding one’s head in the sand like an ostrich.

Some great changes will need to be made in the future if we are to survive as a species. And while not all the pollution and resource depletion is caused by mankind, it has its part which it has played in the overall equation.

The findings of the study titled "Reconciling past changes in Earth's rotation with 20th century global sea-level rise: Resolving Munk's enigma," were published in the December 11, 2015 issue of the journal Science Advances.

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<a href="/latest_stories/all/all/20" rel="author">Sumayah Aamir</a>
Sumayah Aamir (Google+) has deep experience in analyzing the latest trends.




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