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

12 July, 2018, 18:29 | Author: Kelly Sanders
  • Handout.  Reuters

Scientists in eastern Greenland captured an incredible scene on video: the moment an iceberg measuring 4 miles (6 kilometers) long, separated from the Helheim Glacier and drifted away. 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.

According to the latest predictions, if the Western Antarctic Ice Sheet collapsed it could cause global sea levels to rise by ten feet, overwhelming coastal cities around the world like NY and Abu Dhabi.

The event lasted more than 30 minutes, but the movie was compressed to about 90 seconds. The researchers saw, LiveScience reports, "puffs of ice" tossed into the air as a new iceberg began to break off from the glacier. - "Catching as it unfolds, we can see its value".

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.


"And here we can see his unbelievable significance", notes the study's lead author David Holland, Professor, Institute of mathematics NY.

The massive new iceberg, which would stretch from lower Manhattan up to Midtown in New York City, can be instructive to scientists and policy makers who are studying the impact of human actions on global sea-level rise. As it does so, thin and tall icebergs-also known as pinnacle bergs-calve off and flip over.

The vast piece of ice that breaks away is described as a tabular iceberg because it is wide and flat. Documenting an event such as this in its entirely can pave the way for more precise simulations, experts say, and help us determine how large icebergs may affect future sea levels. "Rising sea levels are a globally important issue which can not be tackled by one country alone", says U.K. Science Minister, Sam Gyimah. This can give researchers a sense of how the overall global climate is changing.

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