Enormous 4 mile long iceberg filmed breaking from Greenland glacier

Christopher Davidson
July 11, 2018

The team measured a four-mile area in middle Manhattan, NYC, to illustrate the monumental size of the iceberg. An illustrated overlay of the iceberg's dimensions is available here (Credit: Google Earth, Courtesy of Denise Holland): http://bit.ly/2z8cctk.

"Global sea-level rise is both undeniable and consequential", said NYU Abu Dhabi professor David Holland.

The video, which shows sea level rising as the ice from the glacier enters the ocean, may be viewed here: http://bit.ly/2tWk5fO. But there is much that scientists have yet to learn about how and why this large-scale breakage happens, which makes it hard to predict when glaciers will fall apart, and how much that glacier disintegration will affect sea levels over time, David Holland, leader of the research team and a professor at New York University's Courant Institute of Mathematics and NYU Abu Dhabi, told Live Science.

The process by which ice breaks away from a glacier is known as calving.

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The calving event was filmed on June 22 at 11.30pm local time.

The moment a giant iceberg measuring 4 miles (6 km) in length broke off from a glacier in Greenland, sending huge chunks of ice crashing into the sea, was captured on camera by a team of scientists. "The better we understand what's going on means we can create more accurate simulations to help predict and plan for climate change". Meanwhile, smaller pinnacle icebergs, which are tall and thin, can be seen calving off and flipping over.

The impact causes the first to break up and flip over.

"The range of these different iceberg formation styles helps us build better computer models for simulating and modeling iceberg calving", explains Denise Holland. But even though the icebergs tossed into the sea here are contributing to sea level rise, scientists still don't know exactly how such break-ups work. The grant is part of the newly announced $25-million International Thwaites Glacier Collaboration, headed by the U.K.'s Natural Environment Research Council and the National Science Foundation, which will deploy scientists to gather the data needed to understand whether the glacier's collapse could begin in the next few decades or next few centuries.

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