Four-mile-long iceberg breaks off Greenland glacier in dramatic video

Four-mile-long iceberg breaks off Greenland glacier in dramatic video

Four-mile-long iceberg breaks off Greenland glacier in dramatic video

So far, the Thwaites Glacier, a part of the Western Antarctic Ice Sheet that has already drained a mass of water that is roughly the size of Great Britain or the state of Florida, has accounted for approximately four percent of global sea-level rise.

"Global sea-level rise is both undeniable and consequential", said David Holland, a mathematics professor at New York University.

The event lasted more than 30 minutes, but the movie was compressed to about 90 seconds.

The process by which ice breaks away from a glacier is known as calving. - "Catching as it unfolds, we can see its value".

That said, a recent video released by a team of scientists from New York University (NYU) shot on 22 June has shone an undeniably bright spotlight on the visual reality of climate change, showing a 6.5km glacier in eastern Greenland snap, break and release a giant chunk of ice.

It's hard to get a sense of scale from the video, but the researchers pointed out in a statement that this iceberg would cover most of Lower and Midtown Manhattan.

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As reported by EurekAlert, the video, which shows sea level rising as the ice from the glacier enters the ocean, may be viewed here: http://bit.ly/2tWk5fO.

The video shows a tabular (wide and flat) iceberg separate, then travel down the fjord where it smashes into another iceberg. The contribution of Antarctica to sea-level rise remains small: only 7.6 mm in the period from 1992 to 2017.

The impact could see the largest desert in the world turn lush green as the rise in temperature causes the rain belt surrounding Earth to swell.

She said: "The better we understand what's going on means we can create more accurate simulations to help predict and plan for climate change".

Earth's biggest glaciers are in frozen Antarctica, and their breakup would be catastrophic for sea level rise; the loss of the West Antarctic Ice Sheet would release enough water to raise global sea levels by almost 10 feet (3 meters).

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