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

Katie Ramirez
July 12, 2018

Scientists have been keeping a close eye on the frozen river as a key indicator of global warming and sea-level rise, with its front retreating around 2.5 miles (4 km) between 1998 and 2013.

Rarely seen footage of a glacier losing a huge chunk due to rising seas has been released, putting issues of climate change in full view.

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.

A 2017 estimate suggested that a collapse of the entire Western Antarctic Ice Sheet would result in a 10-feet-rise in sea level - enough to overwhelm coastal areas around the globe, including New York City, according to the researchers.

The research team is now studying the forces behind sea-level rise - a development that has concerned scientists in recent decades because it points to the possibility of global disruptions due to climate change - under a grant from the National Science Foundation.

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.

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A massive iceberg that was part of a Greenland glacier has collapsed, leading to increased exposure of glacier ice to the ocean.

Despite it being a major warning sign for the future of our planet, the research team said that the range of these different iceberg formation styles helps scientists build better computer models for simulating and modelling iceberg calving.

The team say they are continuing to study the causes of rising sea levels in an effort to help predict and plan for climate change. As it does so, thin and tall icebergs-also known as pinnacle bergs-calve off and flip over.

The research is being carried by NYU's Environmental Fluid Dynamics Laboratory and NYU Abu Dhabi's Center for Global Sea Level Change-both directed by David Holland.

The event was filmed late on June 22 and lasted about 30 minutes.

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