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BBC News By Jonathan Amos media captionSee how the keel of the giant iceberg has changed over time It might have suffered a big break-up this week, but the iceberg A68a is still carrying substantial bulk. The latest satellite analysis indicates this Antarctic colossus maintains a thickness that could yet see it catch in the waters surrounding the South Atlantic island of South Georgia. If that happens, then worries about the effects the berg could have on the territory s wildlife will resurface. Penguins and seals might be obstructed as they forage for fish and krill. And these predators need to feed not only themselves, but their young as well. South Georgia is entering peak breeding season. ....
Giant iceberg heading toward South Atlantic island breaks up nbcnews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nbcnews.com Daily Mail and Mail on Sunday newspapers.
BBC News By Jonathan Amos image captionA68a: The section that looks like a finger has snapped The giant iceberg that s been drifting through the South Atlantic looks to have experienced a major break-up. Tuesday s latest satellite imagery reveals major fissures in the tabular berg known as A68a, with huge blocks of ice starting to separate and move away from each other. A68a, which calved from Antarctica in 2017, has been floating off the coast of South Georgia island. Experts have been watching to see if it might ground in shallow water. Were that to happen - and parts of the berg still could - it might cause problems for the British Overseas Territory s penguins and seals as they go about foraging for fish and krill. ....
BBC News By Jonathan Amos image copyrightCopernicus Data (2020) Pierre Markuse image captionThe berg is a little over 130km in length. The small broken chunk is just visible through the cloud The icy colossus that is A68a has knocked off a corner, seemingly as a result of striking the seafloor. The 3,800-sq-km iceberg, which has been bearing down on the island of South Georgia, looked in recent days to be turning with the prevailing current. But as it spun around, it appears part of the frozen block may have scraped the bed, inflicting damage on itself. Satellite images on Thursday revealed a roughly 150-sq-km chunk to be floating free of the main berg. ....
BBC News By Jonathan Amos image captionRobotic gliders will be used to gather measurements under and around the iceberg A team of scientists is being sent to the South Atlantic to study the giant iceberg A68a. The 3,900-sq-km behemoth is currently drifting offshore of the British Overseas Territory of South Georgia where it threatens to run aground. If that happens it could make life extremely difficult for the wildlife haven s penguins and seals as they go about foraging for fish and krill. media captionWatch the footage collected by an RAF plane over A68a The researchers will approach A68a in the Royal Research Ship James Cook. ....