Caroline Holmes

@climatecaroline.bsky.social

Scientist at @bas.ac.uk ; all things Antarctic sea ice and climate.

At the start of the emperor penguin chick fledging season five colonies have already been affected by early sea ice breakup. The purple dots below show which ones. Not as bad as the last two years, but worse than average.

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This is oceanography the hard way. Before any instruments or samplers are deployed, we hot water drill an access hole through several hundred metres of ice shelf. Don't dilly-dally though, freezing closes the hole in a day or two.