Ancient ice tells story of carbon storage

Ancient ice tells story of carbon storage

Credit: Chris Turney

Scientists better understand the history of carbon dioxide storage in the Southern Ocean after analysing sea ice from the past 20,000 years.

Writing in the journal Nature Geoscience, they say extreme seasonal variation during a period known as the Antarctic Cold Reversal caused a proliferation of diverse marine plankton populations. The plankton sequester large amounts of carbon dioxide (CO2) from the atmosphere, which gets stored in the deep ocean.

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Published by Cosmos.

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