Thermokarst lake formed by melting permafrost in Alaska
Asahi Shimbun (via Getty Images)
As the Arctic warms, large amounts of greenhouse gases can be released from sediments at the bottom of lakes, but their sources have so far been overlooked.
The frozen soil of the Arctic has already begun to thaw, further increasing the release of methane and carbon dioxide into the atmosphere. Although this climate feedback is well known, most modeling only considers the melting of the top 3 meters of Arctic soil.
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(Tag translation) Climate change
