PORT STATE CONTROL
05 December 2023 - 10:48
Update: 05 December 2023 - 10:48
Scientists aboard the RRS Sir David Attenborough collected samples of seawater around the A23a mega iceberg, the largest iceberg in the world!
This new footage, filmed by Theresa Gossman, Matthew Gascoyne and Christopher Grey, with additions from Roseanne Smith,
PORT STATE CONTROL
05 December 2023 - 10:48
Update: 05 December 2023 - 10:48
1 December 2023, ANTARCTICA: Scientists aboard the RRS Sir David Attenborough collected samples of seawater around the A23a mega iceberg, the largest iceberg in the world!This new footage, filmed by Theresa Gossman, Matthew Gascoyne and Christopher Grey, with additions from Roseanne Smith, shows the enormous iceberg, some 3,900 square kilometres and 400m tall, stretching out into the distance beyond the research vessel. A23a hit the headlines worldwide in November 2023 after it moved out of the Weddell Sea sector into the Southern Ocean. It calved from the Filchner Ice Shelf in 1986, before being grounded on the seabed nearby. A23a is now likely to be swept along by the Antarctic Circumpolar Current into ‘iceberg alley’, putting it on a common iceberg trajectory towards the sub-Antarctic island of South Georgia. The RRS Sir David Attenborough passed the iceberg as part of its planned route towards the Weddell Sea, where the team will start the intensive 10-day BIOPOLE cruise. The cruise, which is the first scientific mission aboard the new research ship, is investigating how Antarctic ecosystems and sea ice drive global ocean cycles of carbon and nutrients. Their results will help us understand how climate change is affecting the Southern Ocean and the organisms that live there, from microscopic marine plants and tiny copepods to charismatic penguins and whales, and their roles in regulating our climate and keeping our oceans healthy and productive.
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