previous studies have shown that weakening carbon sinks will add 0.25°c, forest dieback will add 0.11°c, permafrost thaw will add 0.9°c and increased bacterial respiration will add 0.02°c.
previous studies have shown that weakening carbon sinks will add 0.25°c, forest dieback will add 0.11°c, permafrost thaw will add 0.9°c and increased bacterial respiration will add 0.02°c.
climate change feedback:61
farquharson and her team guess that about 231,000 square miles (600,000 square kilometers) of permafrost, or about 5.5% of the zone that is permafrost year-round, is vulnerable to rapid surface thawing.