From the Bering Sea to Baffin Bay: Biogenic Silica Production and Natural Silicon Isotopic Signatures across the Arctic Ocean

Diana E Varela1, Karina E Giesbrecht2, Gregory F. de Souza3 and Colin Maden3, (1)University of Victoria, Department of Biology & School of Earth and Ocean Sciences, Victoria, BC, Canada, (2)University of Victoria, Victoria, BC, Canada, (3)ETH Zurich, Institute of Geochemistry and Petrology, Zurich, Switzerland