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Satellites capture formation of enormous iceberg A74 on Antarctica s Brunt Ice Shelf - 05-Mar-2021
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Satellites capture formation of enormous iceberg A74 on Antarctica s Brunt Ice Shelf - 05-Mar-2021
nzcity.co.nz - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nzcity.co.nz Daily Mail and Mail on Sunday newspapers.
Swimming with krill 2 March 2021
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Australian Antarctic Division
Australian Antarctic Program scientists will use a range of novel technologies to measure krill, during a ground-breaking voyage to the Southern Ocean that departs tomorrow.
Over the next two months the team on Research Vessel (RV) Investigator, operated by Australia’s science agency CSIRO, will use specially designed camera technologies, for the first time, to study krill and their environment; along with acoustics, trawls, predator observations, oceanography and genetics.
Voyage Chief Scientist, Dr So Kawaguchi, from the Australian Antarctic Division, said the team would determine how much krill (their ‘biomass’) live in waters off Mawson research station in East Antarctica, to ensure the sustainable development of a krill fishery in the region.
Giant iceberg A-68a scrapes seafloor and breaks into two. Its current trajectory is unknown
It s currently drifting towards Georgia, US.
A massive iceberg once considered the world’s largest has just lost its leading position by splitting in two and losing a big chunk the size of Queens and the Bronx combined. The A-68a berg first split from Antarctica’s C ice shelf in 2017 and has been drifting to the north ever since
The iceberg’s position on December 17th. Image credit: ESA
A-68a is essentially a moving frozen island, with cliffs that rise up 30 meters above sea level. It has already drifted about 1,400km north through an area known as “iceberg alley” and is now about 500km away from South Georgia. It’s a track that many icebergs have taken, but the ultimate fate of A-68a is still hard to predict.