GEOTRACES science on the radio, April 2012

Catherine Jeandel, GEOTRACES SSC member, is interviewed by Ari Daniel Shapiro on The World magazine (co-distributed by the Public Radio International and the BBC).

Tracing the Ocean’s Ingredients

There’s a lot more to the oceans than salt and water. Many other ingredients make up the rich broth that sustains marine life and helps regulate the Earth’s climate. But where do those ingredients come from? To answer that question, French geochemist Catherine Jeandel has collected seawater from all over the world and is examining it for elemental clues.

Catherine Jeandel leads me into a narrow cellar. It’s cold. She secures her turquoise scarf and admires the bottles of liquid lining the walls. “It looks like wine,” she says…

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