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Antarctic icebergs help the ocean take up carbon dioxide


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DePurpereWolf

    DePurpereWolf


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Geplaatst op 12 mei 2011 - 12:24

Antarctic icebergs help the ocean take up carbon dioxide

The first comprehensive study of the biological effects of Antarctic icebergs shows that they fertilize the Southern Ocean, enhancing the growth of algae that take up carbon dioxide from the atmosphere and then, through marine food chains, transfer carbon into the deep sea. This process is detailed in 19 new research papers published electronically in a special issue of the journal Deep Sea Research Part II: Topical Studies in Oceanography.

The research team was led by MBARI marine biologist Ken Smith and funded by the National Science Foundation. Smith, along with researchers from more than a dozen other institutions, conducted three month-long cruises to the Weddell Sea in 2005, 2008, and 2009. By tracking individual icebergs and deploying remotely controlled aircraft and submersibles, as well as robotic drifters, the team was able to document a process that had previously been suspected, but never proven.

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Lees verder: http://www.physorg.c...on-dioxide.html

Bron: Physorg

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