The melting monster iceberg A68 put 1.5 billion tonnes of fresh water into the ocean every day.
Researchers are currently busy trying to gauge the impact A68 had on the environment.
One of the key periods, obviously, was towards the end, as A68 approached the warmer climes of the British Overseas Territory of South Georgia.For a while, there were fears the giant block could ground in the surrounding shallows, blocking the foraging routes of millions of penguins, seals and whales.
"And I think you can see why in the thickness estimates," added co-author Prof Andrew Shepherd. "By that stage the berg's keel was 141m, on average, and the bathymetry charts in the area showed 150m. It was a close call in the end." Their freshwater inputs will alter local currents. And all the iron, other minerals, and even organic matter picked up through their lives and subsequently dropped into the ocean will seed biological production.
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