OS23E:
Trace Metals and Isotopes in the Eastern Tropical South Pacific: Results of the 2013 U.S. GEOTRACES Zonal Transect and Complimentary Studies II Posters

Session ID#: 2880

Tuesday, 16 December 2014: 1:40 PM-6:00 PM
Not an Option (Moscone West)
Chairs:  James W Moffett, USC-Biology, Los Angeles, United States, Christopher R German, WHOI, Woods Hole, MA, United States and Martin Frank, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
Primary Convener:  James W Moffett, USC-Biology, Los Angeles, United States
Co-conveners:  Christopher R German, WHOI, Woods Hole, MA, United States and Martin Frank, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
Co-Sponsor(s):
  • B - Biogeosciences
Index Terms:

1034 Hydrothermal systems [GEOCHEMISTRY]
4219 Continental shelf and slope processes [OCEANOGRAPHY: GENERAL]
4273 Physical and biogeochemical interactions [OCEANOGRAPHY: GENERAL]
4279 Upwelling and convergences [OCEANOGRAPHY: GENERAL]
Virtual Option?: No

Abstracts Submitted to this Session:

 
OS23E-1255
Nitrite Production Mechanisms in the Primary Nitrite Maximum of the Tropical South Pacific Inferred from Nitrite Isotopes Collected during the Geotraces 2013 Cruise (7083)
Brian D Peters, Stanford Earth Sciences, Stanford, CA, United States and Karen L Casciotti, Stanford University, Oceans Department, Stanford, United States
 
OS23E-1256
Trace Metal Composition of Suspended Particulate Matter Along Meridional and Zonal Clivar Sections in the Indian Ocean (9512)
Pamela M Barrett, University of Washington Seattle Campus, Civil and Environmental Engineering, Seattle, WA, United States, Maxime M Grand, University of Hawaii at Manoa, Department of Oceanography, Honolulu, HI, United States, William M Landing, Florida State University, Earth, Ocean, and Atmospheric Science, Tallahassee, FL, United States, Chris I Measures, University of Hawaii at Manoa, Oceanography, Honolulu, HI, United States and Joseph A Resing, Joint Institute for the Study of the Atmosphere and Ocean, and NOAA/PMEL, Seattle, WA, United States
 
OS23E-1257
The Influence of the East Pacific Rise Hydrothermal Field on the Distributions of Dissolved Fe, Mn, Zn, Cu and Cd in the South Pacific (10595)
Saeed Roshan, University of Miami, Miami, FL, United States and Jingfeng Wu, Univ of Miami, Miami, FL, United States
 
OS23E-1258
The Influence of Hydrothermal Plumes on the Distribution of Anthropogenic Radionuclides Between the Particulate and Dissolved Phases: Results from U.S. Geotraces Equatorial Pacific Zonal Transect GP16 (10877)
Timothy C Kenna, Lamont-Doherty Earth Observatory of Columbia University, Palisades, NY, United States, Maria Villa-Alfageme, Universidad de Sevilla, Applied Physics II, Sevilla, Spain, Nuria Casacuberta, ETH Zürich, D-USYS, Zurich, Switzerland and Pere Masqué, Autonomous University of Barcelona (UAB), Institut de Ciència i Tecnologia Ambientals & Departament de Física, Bellaterra, Spain
 
OS23E-1259
Dissolved Trace Metal Concentrations over the Peru Shelf and in the Subsurface Oxygen Minimum Zone Off Peru (11086)
Claire Parker and Kenneth W Bruland, University of California Santa Cruz, Santa Cruz, CA, United States
 
OS23E-1260
Concentrations, isotopic compositions, and sources of lead in the surface waters of the Eastern Tropical South Pacific (13244)
Ralph Till, Cheryl M Zurbrick and Arthur Russell Flegal Jr, University of California Santa Cruz, Santa Cruz, CA, United States
 
OS23E-1261
The speciation of particulate iron in the Peruvian Oxygen Minimum Zone (15425)
Maija Iris Heller, University of California Santa Cruz, Department of Ocean Sciences, Santa Cruz, CA, United States, Phoebe J Lam, University of California Santa Cruz, Department of Ocean Sciences, Santa Cruz, United States, Brandy M Toner, University of Minnesota Twin Cities, Department of Soil, Water, and Climate, St. Paul, United States, Sarah L Nicholas, Univ of MN /Soil Water&Climate, St. Paul, MN, United States, James W Moffett, University of Southern California, Department of Biological Sciences, Los Angeles, United States and Peter Sedwick, Old Dominion University, Department of Ocean, Earth and Atmospheric Sciences, Norfolk, VA, United States
 
OS23E-1262
Diapycnal nutrient fluxes across the benthic boundary layers at the continental slopes off Peru and Mauritania based on 224Ra/223Ra-ratios (15461)
Patrick Reichert1, Jan C Scholten1, Anton Eisenhauer2, Juan Carlos Miquel3, Beat Gasser3, Volker Liebetrau2, Stefan Sommer2, Marcus Dengler2 and Lee Bryant2, (1)Institute of Geosciences,, Kiel, Germany, (2)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (3)IAEA, Monaco, Monaco
 
OS23E-1263
Fe, Zn, and Cd stable isotopes from the eastern tropical South Pacific from GEOTRACES cruise GP16 – Methods and data (15903)
Joshua Michael Helgoe, Emily Townsend and Seth John, University of South Carolina Columbia, Columbia, SC, United States
 
OS23E-1264
Contrasting Scavenging Intensities of 210Po and 210Pb at Key Interfaces of the East Pacific Zonal Transect, GEOTRACES (16684)
John Niedermiller1, Mark M Baskaran2, Yi Tang3 and Gillian Stewart3, (1)Wayne State University, Detroit, MI, United States, (2)Wayne State University, Geology, Detroit, MI, United States, (3)CUNY Queens College, School of Earth and Environmental Sciences, Flushing, NY, United States
 
OS23E-1265
Distribution of iron(II) along the US GEOTRACES Eastern Pacific Zonal Transect (18173)
James W Moffett, University of Southern California, Department of Biological Sciences, Los Angeles, United States and Peter Sedwick, Old Dominion University, Department of Ocean, Earth and Atmospheric Sciences, Norfolk, VA, United States
 
OS23E-1266
GEOTRACES Eastern South Pacific: Characterizing Water Mass Properties and Timescales (18519)
Molly Martin, Rana A Fine and James D Happell, University of Miami, Miami, FL, United States
 
OS23E-1267
The Speciation of Particulate Iron and Carbon in the East Pacific Rise 15oS Near-field Hydrothermal Plume and Underlying Sediments (20237)
Brandy M Toner, University of Minnesota Twin Cities, Department of Soil, Water, and Climate, St. Paul, United States, Phoebe J Lam, University of California Santa Cruz, Department of Ocean Sciences, Santa Cruz, United States, Sarah L Nicholas, Brookhaven National Laboratory, Brookhaven, United States, Daniel C. Ohnemus, Skidaway Institute of Oceanography, UGA Dept. of Marine Sciences, Savannah, United States, Colleen Lynn Hoffman, University of Washington Seattle Campus, School of Oceanography, Seattle, United States, Jessica N Fitzsimmons, Texas A&M University College Station, Oceanography, College Station, United States, Robert M Sherrell, Rutgers University, Department of Marine and Coastal Sciences and Department of Earth and Planetary Sciences, Piscataway, United States and Christopher R German, WHOI, Woods Hole, MA, United States
 
OS23E-1268
Distribution and Isotopic Signature of "Ligand-leachable" Particulate Iron in the Eastern Tropical South Pacific: Initial Results from US GEOTRACES EPZT. (22657)
Chris Marsay, University of South Carolina, Columbia, United States and Seth John, University of South Carolina, Columbia, SC, United States
 
OS23E-1269
Trace Element Fractional Solubility in Ultrapure Water From Samples Collected During the US GEOTRACES Eastern Tropical South Pacific Section (23281)
Dr. Clifton S Buck, Skidaway Institute of Oceanography, UGA Dept. of Marine Sciences, Savannah, GA, United States, William M Landing, Florida State University, Earth, Ocean, and Atmospheric Science, Tallahassee, FL, United States, Ana Aguilar-Islas, University of Alaska Fairbanks, College of Fisheries and Ocean Sciences, Fairbanks, United States and Robert Rember, University of Alaska Fairbanks, Fairbanks, AK, United States
 
OS23E-1270
Distribution of mercury species across a zonal section of the Eastern Tropical South Pacific (2013 U.S. GEOTRACES) (23366)
Katlin L Bowman1, Gretchen Swarr2, Chad R Hammerschmidt1, Carl H Lamborg3 and Alison M Agather1, (1)Wright State University Main Campus, Dayton, OH, United States, (2)Woods Hole Oceanographic Institution, Marine Chemistry & Geochemistry, Woods Hole, United States, (3)University of California Santa Cruz, Department of Ocean Sciences, Santa Cruz, United States
 
OS23E-1271
Effects of Hydrothermal Scavenging of 230Th in the Eastern Equatorial Pacific Translated to the Deep Waters of the Central Equatorial Pacific (23405)
Grecia Ivonne Lopez, Texas A & M University, College Station, TX, United States and Franco Marcantonio, Texas A&M University College Station, Geology and Geophysics, College Station, United States
 
OS23E-1272
Gradients in Strong and Weak Organic Copper-Binding Ligands in the Eastern Tropical South Pacific (24856)
Randie M Bundy1, Angel Ruacho2, Katherine Barbeau2, Claire Parker3, Saeed Roshan4 and Jingfeng Wu4, (1)University of Washington, School of Oceanography, Seattle, United States, (2)Scripps Institution of Oceanography, Geosciences Research Division, La Jolla, CA, United States, (3)University of California Santa Cruz, Santa Cruz, CA, United States, (4)University of Miami, Miami, FL, United States
 
OS23E-1273
Global Spatial and Temporal Variation of Cd:P in Euphotic Zone Particulates (25215)
Hannah Bourne1, James K B Bishop1 and Todd Wood2, (1)University of California Berkeley, Berkeley, CA, United States, (2)Lawrence Berkeley National Laboratory, Earth and Environmental Sciences Area, Berkeley, United States
 
OS23E-1274
Dissolved Iron Speciation in the Eastern Tropical South Pacific: Results from the U.S. GEOTRACES Section Cruise (26357)
Kristen N Buck, University of South Florida Tampa, College of Marine Science, Tampa, FL, United States
 
OS23E-1275
227Ac in the Deep South Pacific along the Peru-Tahiti GEOTRACES Transect (26681)
Douglas E Hammond, University of Southern California, Department of Earth Science, Los Angeles, United States, Matthew A Charette, Woods Hole Oceanographic Institution, Marine Chemistry & Geochemistry, Woods Hole, United States, Willard S Moore, University of South Carolina, School of the Earth, Ocean and Environment, Columbia, United States, Paul Henderson, Woods Hole Oceanographic Institution, Marine Chemistry & Geochemistry, Woods Hole, MA, United States, Virginie Sanial, WHOI, Woods Hole, MA, United States; LEGOS Laboratoire d'Etudes en Geophysique et Océanographie Spatiale, Toulouse, France, Lauren Elizabeth Kipp, Woods Hole Oceanographic Institution, Woods Hole, MA, United States and Robert F Anderson, Lamont-Doherty Earth Observatory, Palisades, NY, United States
 
OS23E-1276
Model exploration of the processes governing iron scavenging and the strength of the hydrothermal vent iron source (26740)
Elliot Sherman, University of California Irvine, Irvine, CA, United States and Jefferson Keith Moore, University of California Irvine, Earth System Science, Irvine, United States
 
OS23E-1277
A 4300km-Long Particulate Hydrothermal Plume West of the Southern East Pacific Rise (15°S): Particulate Minor and Trace Elements from the U.S. GEOTRACES Eastern Pacific Zonal Transect (27561)
Jessica N Fitzsimmons, Texas A&M University College Station, Oceanography, College Station, United States, Kiefer Forsch, Scripps Institution of Oceanography, Geosciences Research Division, La Jolla, CA, United States; Rutgers University New Brunswick, New Brunswick, NJ, United States, Robert M Sherrell, Rutgers University, Marine and Coastal Sciences and Earth and Planetary Sciences, New Brunswick, United States; Rutgers University, Department of Earth and Planetary Sciences, Piscataway, NJ, United States and Christopher R German, Woods Hole Oceanographic Inst., Woods Hole, MA, United States
 
OS23E-1278
The Distribution of Dissolved Barium from US GEOTRACES cruises in the North Atlantic and Eastern Tropical South Pacific (29243)
Alan M Shiller, University of Southern Mississippi, Marine Science, Stennis Space Center, MS, United States and Karen Grissom, University of Southern Mississippi, Dept. of Marine Science, Stennis Space Center, MS, United States
 
OS23E-1279
Dissolved lead in the deep Southeast Pacific Ocean: results of the 2013 US GEOTRACES cruise (29549)
Jong-mi Lee1, Jing Zhang2, Yolanda Echegoyen1 and Edward A Boyle1, (1)Massachusetts Institute of Technology, Earth Atmospheric and Planetary Sciences, Cambridge, MA, United States, (2)East China Normal University, Shanghai, China
 
OS23E-1280
Overview of Hydrographic Data From the GEOTRACES EPZT Cruise (31456)
James H Swift1, Christopher R German2, James W Moffett3, Gregory A Cutter4, Susan M Becker5, Mary Carol Johnson5, Melissa T Miller5 and Robert Palomares5, (1)UCSD/SIO, La Jolla, CA, United States, (2)WHOI, Woods Hole, MA, United States, (3)University of Southern California, Department of Biological Sciences, Los Angeles, United States, (4)Old Dominion University, Norfolk, VA, United States, (5)Scripps Institution of Oceanography, La Jolla, CA, United States
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