A giant, ancient pile of logs is trapping millions of tons of carbon in northern Canada
Amid warming temperatures and rising seas, the logjam may be at risk of breaking up and decaying more quickly, researchers say.
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Amid warming temperatures and rising seas, the logjam may be at risk of breaking up and decaying more quickly, researchers say.
YELLOWKNIFE - Researchers say they have mapped the world's largest known cumulative logjam in the Canadian Arctic and it holds millions of tonnes of carbon, representing an important but understudied part of the carbon cycle.
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Throughout the Arctic, fallen trees make their way from forests to the ocean by way of rivers. Those logs can stack up as the river twists and turns, resulting in long-term carbon storage. A new study in AGU's journal Geophysical Research Letters has mapped the largest known woody deposit, covering 51 square kilometers (20 square miles) of the Mackenzie River Delta in Nunavut, Canada, and calculated that the logs store about 3.4 million tons (about 3.1 million metric tons) of carbon