Program for Session 15a

Monday 15th August AM: Floor 1 / Panorama Hall

15a (Oral): The GEOTRACES program
Session chaired by Ed Boyle

09:30  Fe Kinetics of Marine Particle Uptake and Desorption Determined from Laboratory Experiments
Beck AR & Adkins JF
09:45  Noble Gas Isotope Fractionation during Air-Sea Exchange: A Tracer for Mechanisms that Determine N2/Ar Ratios in the Ocean
Emerson S, Tempest K & Hamme R
10:00  17O Anomaly of Dissolved O2 in the Deep Atlantic Ocean
Luz B, Barkan E, Henderson G & Smethie W
10:15  Silicon Stable Isotope Constraints on the Global Oceanic Si Cycle
de Souza G, Reynolds B & Bourdon B
10:30  Vertical Distribution of 236U in the Western Equatorial Atlantic Ocean
Christl M, Lachner J, Vockenhuber C, Rutgers v. d. Loeff M, Lechtenfeld O & Stimac I
10:45  227Ac in the Atlantic Sector of the Southern Ocean: New Results from Bonus-Goodhope and UK GEOTRACES
Geibert W, Hsieh A, Hanfland C, Verdeny E, Masque P & Henderson G
11:00  GEOTRACES Intercalibration Results for Nd Isotopes and REE on Seawater and Particulate Samples
van de Flierdt T, Pahnke K & Geotraces Intercalibration Participants 
11:15  Distribution of Neodymium Isotopes in Eastern Equatorial Pacific Seawater
Frank M, Grasse P, Stichel T & Stramma L
11:30  The Influence of Boundary Scavenging and Particle Composition on Dissolved and Buried 230Th and 231Pa in the Subarctic North Pacific
Hayes C, Anderson R & Gersonde R
11:45  Dissolved 230Th-232Th Dynamics in the Eastern Tropical Pacific Ocean
Singh A, Marcantonio F & Lyle M
12:00  Cadmium Isotopes in the Western North Atlantic – GEOTRACES Cruise PE319
Powell C, Abouchami W, Galer S, Andreae M, de Jong J, Gerringa L & de Baar H
12:15  Zinc Isotopes in the Southern Ocean – A Tracer of Biogeochemical Cycling ?
Zhao Y, Vance D & Abouchami W

Monday 15th August PM: Floor 1 / Panorama Hall

15a (Oral): The GEOTRACES program
Session chaired by Ed Boyle

14:00  Dissolved Fe in the Western Atlantic Ocean: Distribution, Sources, Sinks and Cycling
Rijkenberg M, Gerringa L, Laan P, Schoemann V, Middag R, van Heuven S, Salt L, van Aken H, de Jong J & de Baar H
14:15  Dissolved Iron Partitioning between Soluble and Colloidal Fractions in the Tropical North Atlantic Ocean
Fitzsimmons J & Boyle E
14:30  Lead and Lead Isotopes in the Atlantic and Indian Ocean: GEOTRACES Data
Boyle E, Echegoyen-Sanz Y, Fornace K, Lee J-M, Gamo T, Obata H & Norisuye K
14:45  Pb in a Deep Sea Coral: Transfer of Anthropogenic Pb to the Deep North Atlantic Ocean over the Last 500 Years
Lee J-M, Eltgroth S, Boyle E & Adkins J
15:00  Quantifying Fluxes of Metals to Surface Waters of the South-East Atlantic
Henderson GM, Achterberg E, Baker A, Chance R, Geibert W, Homoky W, Hwieh Y-T, Klunder M, Lohan M, Martin P, Mills R, Milne A, Palmer M, Sanders R, Thomas A, Wake B & Woodward M
15:15  Sinking Titanic [Ti(IV)] – Insights into the Speciation and Distribution of Titanium in the Atlantic Ocean
Croot P, Dammshäuser A & Heller M
15:30  Particulate Trace Metals and Dust Particles in the Subtropical Atlantic
Balzer W, Barkmann W & Dierssen H
15:45  Trace Element Composition of Size-Fractionated Particulates in the Mauritanian Upwelling Zone of the Eastern North Atlantic U.S. GEOTRACES Section
Ohnemus D & Lam PJ
16:00  Collection and Determination of Suspended Particulate Trace Metals: The US GEOTRACES Intercalibration Cruises
Sherrell R, Planquette H, Field MP, Bishop J, Lam P, Twining B & Morton P

Monday 15th August PM: Floor 3 / Poster Area

15a (Poster): The GEOTRACES program

3025  Carcass Island: A New Site for the Observation of Southern South American Dust in the Western Falkland Islands
Chance R & Baker A
3026  Online Preconcentration ICP-MS Analysis of Rare Earth Elements in Seawater
Hathorne E, Schichel T, Grasse P & Frank M
3027  Ba, Sr and 87Sr/86Sr in Indian Estuaries: Impact of Submarine Groundwater Discharge
Rahaman WR & Singh SKS
3028  Separating the Sources of 228Ra to the Open Ocean with 223,224,226,228Ra Measurements in Loch Etive and the South-East Atlantic
Hsieh Y-T, Geibert W, van Beek P & Henderson G
3029  Nd Isotopic Compositions in the Central Indian Ocean
Tazoe H, Obata H, Nagai H & Gamo T
3030  The Hafnium and Neodymium Isotopic Composition of Seawater in the Tropical Atlantic Ocean
Zieringer M, Stichel T & Frank M
3031  Testing Boundary Exchange of Nd Isotopes in the Eastern Tropical Pacific Ocean
Woodard S, Marcantonio F, Thomas D & Lyle M
3032  Efficient Analysis of Seawater Thorium and Protactinium
Auro M, Robinson L, Anderson R, Fleisher M & Saito M
3033  Sea-Water 231Pa and 230Th Measurements, Understanding the Proxy in the S.E. Atlantic?
Thomas AL & Henderson GM