Currents in an Arctic sea accelerate the sinking of carbon-carrying phytoplankton
Tiny plantlike organisms called phytoplankton that form the base of marine food webs topped by orcas, whales and sharks usually get eaten or slowly sink to the seafloor, carrying carbon as they go. Across most of the ocean, the descent from sunlit surface layers takes weeks. But in the Arctic's Chukchi Sea, scientists have found that a convergence of currents pushes phytoplankton from under the…
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