Deep Waters (IMAGE)

Columbia Climate School

Deep Waters

Caption

Left: Before about 950,000 years ago, waters reached the deep Atlantic Ocean from the north (black arrows) and south (purple arrows). Right: Using data from two sediment cores (yellow stars), scientists showed that a weakening of the northern-sourced circulation (thinner black arrows) after that led to more carbon storage in the Atlantic. Under a weaker circulation, more of the deep Atlantic water was sourced from the south (thicker purple arrows).

Credit

Jesse Farmer

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