Weaker Ocean Currents Lead to Decline in Nutrients for North Atlantic Ocean Life During Prehistoric Climate Change, Research Shows

Credit: Georgia Tech / Jean Lynch-Stieglitz

Foraminifera shells accumulated within each layer of sediment, preserving important chemical signatures.

Credit: Georgia Tech / Jean Lynch-Stieglitz

鈥淚t is pretty amazing that ocean chemistry of the past can be reconstructed in such detail using beautiful, tiny shells,鈥� Lynch-Stieglitz says.

Credit: Georgia Tech / Jean Lynch-Stieglitz

Researchers taking a sediment core from the Florida Straits.

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