Predictions That Earth's Axis Will Tilt In 100 Years: Due To Global Warming

by Tanya on  August 25, 2009 at 8:38 AM Environmental Health
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The researchers modelled the changes that would occur if moderate projections made by the Intergovernmental Panel on Climate Change - a doubling of carbon dioxide levels between 2000 and 2100 - were to become reality.

The team found that as the oceans warm and expand, more water will be pushed up and onto the Earth's shallower ocean shelves.

Over the next century, the subtle effect is expected to cause the northern pole of Earth's spin axis to shift by roughly 1.5 centimetres per year in the direction of Alaska and Hawaii.

The motion is strong enough that it needs to be taken into account when interpreting shifts in Earth's axis.

Tracking the motion of the poles could help place limits on the total amount of sea level rise over decades.

"The oceans take up at least 80 per cent of the heat that is added from greenhouse gases," Landerer told New Scientist. "They have a huge heat capacity, so this effect is going to be there for quite a bit," he said.

Source-ANI
TAN
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