OS22B:
Trace Metals and Isotopes in the Eastern Tropical South Pacific: Results of the 2013 U.S. Geotraces Zonal Transect and Complimentary Studies I

Tuesday, 16 December 2014: 10:20 AM-12:20 PM
Primary Convener:  James W Moffett, USC-Biology, Los Angeles, CA, United States
Co-conveners:  Christopher R German, WHOI, Woods Hole, MA, United States and Martin Frank, GEOMAR, Kiel, Germany

Abstracts Submitted to this Session:

10:20 AM
OS22B-01
 
The influence of water mass mixing on the dissolved Si isotope composition in the Eastern Equatorial Pacific
Patricia Grasse1, Claudia Ehlert2 and Martin Frank1, (1)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (2)Max Planck Institute for Marine Microbiology, Bremen, Germany
10:35 AM
OS22B-02
 
Strong Input and Removal of Rare Earth Elements (REEs) Affect Dissolved Nd Isotope Composition of Seawater in the Panama Basin and the Eastern Equatorial Pacific
Martin Frank1, Louise M. Bosse1, Patricia Grasse1, Katharina Pahnke2 and Ed C Hathorne1, (1)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (2)Max Planck Institute for Marine Microbiology, Bremen, Germany
10:50 AM
OS22B-03
 
Basin-Scale Transport of Hydrothermal Iron, Manganese and Aluminum Across the Eastern South Pacific
Peter Neil Sedwick1, Joseph A Resing2, Bettina M Sohst3, William J Jenkins4, Christopher R German4 and James W Moffett5, (1)Old Dominion University, Department of Ocean, Earth and Atmospheric Sciences, Norfolk, VA, United States, (2)Joint Institute for the Study of the Atmosphere and Ocean, and NOAA/PMEL, Seattle, WA, United States, (3)Old Dominion University, Norfolk, VA, United States, (4)WHOI, Woods Hole, MA, United States, (5)University of Southern California, Department of Biological Sciences, Los Angeles, CA, United States
11:05 AM
OS22B-04
 
Scavenging of Thorium and Protactinium by Particles from the East Pacific Rise Hydrothermal Plume
Robert F Anderson1, Martin Q Fleisher1, Frank J Pavia1, Sebastian M. Vivancos1, Yanbin Lu2, Hai Cheng2 and R. Lawrence Edwards2, (1)Lamont-Doherty Earth Obs, Palisades, NY, United States, (2)University of Minnesota, Minneapolis, MN, United States
11:20 AM
OS22B-05
 
Radium as a tracer of benthic trace element inputs from the Peruvian continental margin (2013 U.S. Pacific GEOTRACES cruise)
Virginie Sanial1,2, Matthew A Charette1, Willard S Moore3, Paul Henderson1, Lauren Elizabeth Kipp1 and Pieter van Beek2, (1)WHOI, Woods Hole, MA, United States, (2)LEGOS Laboratoire d'Etudes en Geophysique et Océanographie Spatiale, TOULOUSE, France, (3)University of South Carolina Columbia, Columbia, SC, United States
11:35 AM
OS22B-06
 
Characterizing Redox Conditions in Oxygen-deficient Waters Off Peru During the 2013 US GEOTRACES Zonal Transect
Gregory A Cutter, Old Dominion University, Gloucester, VA, United States and Maria Nielsdottir, Old Dominion University, Norfolk, VA, United States
11:50 AM
OS22B-07
 
Upwelling Rates and Vertical Diffusivities Determined During the 2013 US GEOTRACES Eastern Tropical Pacific Zonal Transect: Results from 7Be Analysis
David C Kadko, Florida International University, Applied Research Center, Miami, FL, United States
12:05 PM
OS22B-08
 
Trace Element Composition of Phytoplankton Along the US GEOTRACES Pacific Zonal Transect: Comparing Single-Cell SXRF Quotas, Chemical Leaching, and Bulk Particle Digestion
Daniel Ohnemus, Sara Rauschenberg and Benjamin S. Twining, Bigelow Lab for Ocean Sciences, East Boothbay, ME, United States
 
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