Which of the following has been sited as a positive feedback loop involving the thawing of permafrost?
A) Thawing of permafrost will increase albedo, leading to more warming.
B) Thawing of permafrost will release vast amounts of carbon to the atmosphere, accelerating warming.
C) Thawing of permafrost will contribute to sea level rise, which will further reduce overall global albedo values.
D) Thawing of permafrost will inhibit frost wedging action on large boulders, altering absorption ability.

Question

Quizplus · Accepted Answer

Thawing of permafrost will release vast amounts of carbon to the atmosphere, which will accelerate warming. This warming will then lead to further permafrost thaw and more carbon release, creating a positive feedback loop.

Which of the Following Has Been Sited as a Positive