Silicon dynamics in Southern Ocean marine sediments tracked by stable silicon isotope in pore waters

Ivia Closset1, Mark A Brzezinski2, Damien Cardinal3, Arnaud Dapoigny4, Janice Jones1 and Rebecca S Robinson5, (1)University of California Santa Barbara, Marine Science Institute, Santa Barbara, CA, United States, (2)University of California, Marine Science Institute, Santa Barbara, CA, United States, (3)Universite Pierre et Marie Curie, LOCEAN, Paris, France, (4)LSCE, Gif sur Yvette, France, (5)University of Rhode Island, Narragansett, RI, United States