Chairs: Claudia Ehlert, Max Planck Institute for Marine Microbiology, Bremen, Germany and George E A Swann, University of Nottingham, Nottingham, NG7, United Kingdom
Primary Convener: Claudia Ehlert, Max Planck Institute for Marine Microbiology, Bremen, Germany
Co-conveners: Patricia Grasse, iDiv University of Leipzig, Leipzig, Germany, Anson W Mackay, University College London, London, United Kingdom and George E A Swann, University of Nottingham, School of Geography, Nottingham, United Kingdom
OSPA Liaison: Patricia Grasse, German Centre for Integrative Biodiversity Research (iDiv), Leipzig, Germany
Significant Biogenic Silica Retention from Reverse Weathering in Non-deltaic Sediments (29501)
Jeffrey W Krause1,2, Ashley M Larson1, Elizabeth S Darrow1,3 and Ruth H Carmichael4,5, (1)Dauphin Island Sea Lab, Dauphin Island, AL, United States, (2)University of South Alabama, Stokes School of Marine and Environmental Sciences, Mobile, United States, (3)University of South Alabama, Department of Marine Sciences, Mobile, AL, United States, (4)Dauphin Island Sea Lab, Dauphin Island, United States, (5)University of South Alabama, Mobile, United States
Transformation of Silicon in a Coastal Sandy Beach Ecosystem: Insights from Stable Silicon Isotopes in Ground- and Porewaters (15539)
Claudia Ehlert1, Ronja Paffrath1, Anja Reckhardt2 and Katharina Pahnke1,3, (1)Max Planck Institute for Marine Microbiology, Bremen, Germany, (2)Institute for Chemistry and Biology of the Marine Environment (ICBM), Carl von Ossietzky Universität Oldenburg, Oldenburg, Germany, (3)University of Oldenburg, Institute for Chemistry and Biology of the Marine Environment, Oldenburg, Germany
Factors controlling the silicon isotope composition of dissolved silicate and biogenic silica in the Peruvian Upwelling (15305)
Patricia Grasse, German Centre for Integrative Biodiversity Research (iDiv), Leipzig, Germany, Kristin Haynert, University of Goettingen, J.F. Blumenbach Institute of Zoology and Anthropology, Goettingen, Germany, Mark A Brzezinski, University of California Santa Barbara, Marine Science Institute, Santa Barbara, CA, United States and Martin Frank, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
A Paleogene Silicon Stable Isotope Record: Long-Term Carbon and Silicon Cycling Interaction Revealed By Sponges and Radiolarians (7309)
Guillaume Fontorbe1, Christina L De La Rocha2, Katharine R Hendry3, Patrick Frings1 and Daniel J Conley4, (1)Lund University, Lund, Sweden, (2)IUEM Institut Universitaire Européen de la Mer, Plouzané, France, (3)University of Bristol, Bristol, United Kingdom, (4)Lund University, Department of Geology, Lund, Sweden
Oxygen Isotope Analyses From Guaymas Basin Sediment Trap Diatoms (26590)
Anthony J Menicucci, University of California Berkeley, Museum of Paleontology, Berkeley, CA, United States, Howard J Spero, University of California Davis, Davis, CA, United States and Robert Thunell, Univ South Carolina, Columbia, SC, United States
The next chapter of direct phytolith 14C dating: debunking the myth of occluded photosynthetic carbon exclusivity (14231)
Guaciara Santos1, Araks Harutyunyan1, Anne E Alexandre2, Paul E Reyerson1,3, Kimberley L. Gallagher1 and Basile-Doelsch Isabelle2, (1)University of California Irvine, Irvine, CA, United States, (2)CEREGE, CNRS-Aix-Marseille Université, Aix en Provence, France, (3)University of Wisconsin La Crosse, Geography & Earth Science, La Crosse, WI, United States