GA03 Proposal Summaries | U.S. GEOTRACES

NSF-funded Projects for GA03

Principal Investigators: Adkins, Jess
John, Seth
PI Institution: California Institute of Technology
Project Summary: U.S. GEOTRACES North Atlantic Section: Sample collection for iron stable isotopes

Principal Investigators: Aguilar-Islas, Ana M.
PI Institution: University of Alaska, Fairbanks
Project Summary: U.S. GEOTRACES North Atlantic Section: The fractional solubility of aerosol iron in seawater

Principal Investigators: Anderson, Robert F.
Moran, Bradley
Edwards, Larry
Robinson, Laura
PI Institution: Lamont-Doherty Earth Observatory of Columbia University
Project Summary: Collaborative Research: U.S. GEOTRACES North Atlantic Section: Analysis of ²³⁰Th, ²³²Th and ²³¹Pa

Principal Investigators: Boyle, Ed
PI Institution: Massachusetts Institute of Technology
Project Summary: Lead (Pb) and Lead Isotope Sample Collection and Analysis for the U.S. GEOTRACES Zonal North Atlantic Survey Section

Principal Investigators: Buck, Kristen
PI Institution: Bermuda Institute of Ocean Sciences
Project Summary: U.S. GEOTRACES North Atlantic Section: The chemical speciation of dissolved iron and copper

Principal Investigators: Charette, Matthew
Buesseler, Ken
Moore, Billy
PI Institution: Woods Hole Oceanographic Institution
Project Summary: Collaborative Research: GEOTRACES Atlantic Section: Trace Element Source and Sinks Elucidated by Short-Lived Radium and Thorium Isotopes

Principal Investigators: Church, Tom
Stewart, Gillian
Baskaran, Mark
PI Institution: University of Delaware
Project Summary: Collaborative Research: GEOTRACES – Application of ²¹⁰Pb and ²¹⁰Po distribution at North Atlantic interface regimes

Principal Investigators: Cutter, Greg
PI Institution: Old Dominion University
Project Summary: GEOTRACES Zonal Atlantic Section: Arsenic and phosphorus biogeochemistry

Principal Investigators: Goldstein, Steve
Pahnke, Katharina
Scher, Howie
PI Institution: Lamont-Doherty Earth Observatory of Columbia University
Project Summary: Collaborative Research: U.S. GEOTRACES North Atlantic Section – Nd isotope distribution: sources, sinks, and internal cycling

Principal Investigators: Jenkins, Bill
PI Institution: Woods Hole Oceanographic Institution
Project Summary: U.S. GEOTRACES North Atlantic Section: Measurement of Helium Isotopes and Tritium

Principal Investigators: Jenkins, Bill
Cutter, Greg
Boyle, Ed
PI Institution: Woods Hole Oceanographic Institution
Project Summary: Collaborative Research: Management and Logistics Operations for the U.S. GEOTRACES Zonal North Atlantic Survey Section

Principal Investigators: Lam, Phoebe J.
PI Institution: Woods Hole Oceanographic Institution
Project Summary: U.S. GEOTRACES North Atlantic Section: Analysis of Key Trace Elements in Size-fractionated Marine Particles

Principal Investigators: Lamborg, Carl
Hammerschmidt, Chad
PI Institution: Woods Hole Oceanographic Institution
Project Summary: Collaborative Research: GEOTRACES Atlantic Section: Mercury Speciation Along a Zonal Section in the North Atlantic

Principal Investigators: Landing, Bill
PI Institution: Florida State University
Project Summary: GEOTRACES Atlantic Section: Aerosol and rainfall collection and analysis

Principal Investigators: Measures, Chris
Wu, Jingfeng
PI Institution: University of Hawaii
Project Summary: Collaborative research: GEOTRACES N Atlantic Section, shipboard and shorebased determination of key trace elements

Principal Investigators: Moffett, Jim
PI Institution: University of Southern California
Project Summary: Cu distribution, speciation & cyanobacteria [unavailable]

Principal Investigators: Saito, Mak A.
PI Institution: Woods Hole Oceanographic Institution
Project Summary: GEOTRACES Atlantic Section: Total Dissolved Cobalt and Cobalt Speciation in the North Atlantic

Principal Investigators: Sedwick, Peter
Bowie, Andrew
PI Institution: Old Dominion University
Project Summary: U.S. GEOTRACES North Atlantic Section: Dissolved Iron and Iron(II)

Principal Investigators: Shiller, Alan
PI Institution: The University of Southern Mississippi
Project Summary: Manganese, vanadium, gallium and rare earth elements in the GEOTRACES North Atlantic zonal section

Principal Investigators: Sigman, Daniel M.
Casciotti, Karen L.
Hastings, Meredith G.
PI Institution: Princeton University
Project Summary: Collaborative Research: GEOTRACES Atlantic Section Nitrate Isotope Measurements

Principal Investigators: Smethie, Bill
PI Institution: Lamont-Doherty Earth Observatory of Columbia University
Project Summary: U.S. GEOTRACES North Atlantic Section: CFC and SF6 Measurements

Principal Investigators: Twining, Ben
PI Institution: Bigelow Laboratory for Ocean Sciences
Project Summary: GEOTRACES Atlantic Section: Characterization of phytoplankton trace metal quotas and their contribution to the particulate metal pool in the upper ocean

Columbia Affiliations

Lamont-Doherty Earth Observatory (LDEO)