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Video: 4-mile iceberg breaks off eastern Greenland

A team of scientists has captured a four-mile iceberg breaking away from a glacier in eastern Greenland

A team of scientists have captured, on video, what they call an example of one of the forces behind the ongoing global sea-level rise.

The Canadian husband-and-wife scientists, David and Denise Holland, managed to capture on video a four-mile iceberg breaking off a glacier in eastern Greenland.

According to a New York University press release, the resulting iceberg, broken off from Greenland香蕉视频直播檚 Helheim Glacier, would stretch from lower Manhattan up to Midtown in New York City.

香蕉视频直播淕lobal sea-level rise is both undeniable and consequential,香蕉视频直播 states David Holland, a professor at NYU香蕉视频直播檚 Courant Institute of Mathematics and NYU Abu Dhabi, who led the research team.

香蕉视频直播淏y capturing how it unfolds, we can see, first-hand, its breath-taking significance.香蕉视频直播

An iceberg recently broken off from Greenland香蕉视频直播檚 Helheim Glacier would stretch from lower Manhattan up to Midtown in New York City, as illustrated here. Credit: Google Earth; Image courtesy of Denise Holland

The video below shows the sea level rising as the ice from the glacier enters the ocean.

Researches says this phenomenon, also known as calving, may also be instructive to scientists and policy makers.

香蕉视频直播淜nowing how and in what ways icebergs calve is important for simulations because they ultimately determine global sea-level rise,香蕉视频直播 says Denise Holland, the logistics coordinator for NYU香蕉视频直播檚 Environmental Fluid Dynamics Laboratory and NYU Abu Dhabi香蕉视频直播檚 Center for Global Sea Level Change, who filmed the calving event.

香蕉视频直播淭he better we understand what香蕉视频直播檚 going on means we can create more accurate simulations to help predict and plan for climate change.香蕉视频直播

The calving event began on June 22 at 11:30 p.m. local time and took place over approximately 30 minutes.

The scientists explain that the video depicts a tabular, or wide and flat, iceberg calve off and move away from the glacier.

As it does so, thin and tall icebergs, also known as pinnacle bergs, calve off and flip over.

The camera angle then shifts to show movement further down the fjord, where one tabular iceberg crashes into a second, causing the first to split into two and flip over.

香蕉视频直播淭he range of these different iceberg formation styles helps us build better computer models for simulating and modelling iceberg calving,香蕉视频直播 adds Denise.

A 2017 estimate suggested that a collapse of the entire the Western Antarctic Ice Sheet would result in a 10-foot rise in the sea level香蕉视频直播攅nough to overwhelm many coastal areas around the globe, including New York City.

Related: Canada香蕉视频直播檚 coastal communities in race against time

Related: Global warming cooks up 香蕉视频直播榓 different world香蕉视频直播 over 3 decades

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