A new explanation for the Heinrich 1 event, where temperatures over Antarctica rose 5C in less than a century, suggests strengthening westerlies around the Antarctic led to a substantial increase in atmospheric carbon. Today, human-caused climate change is causing these same westerly winds to contract towards Antarctica and strengthen, suggesting an unexpected spike in carbon dioxide could occur again.
from Oceanography News -- ScienceDaily https://ift.tt/2KNl6C3
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