Warmer than a Hot Tub: Atlantic Ocean Temperatures Much Higher in the Past

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Box on the map shows where the core samples were collected off Suriname on the northeast coast of South America. A sediment core section is visible at left. (Courtesy Karen Bice Woods Hole Oceanographic Institution)
Box on the map shows where the core samples were collected off Suriname, on the northeast coast of South America. A sediment core section is visible at left. (Courtesy Karen Bice, Woods Hole Oceanographic Institution)

Scientists have found evidence that tropical Atlantic Ocean temperatures may have once reached 107°F (42°C)—about 25°F (14°C) higher than ocean temperatures today and warmer than a hot tub.


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