Tracing continental input and organic matter export on the West Antarctic Shelf using the long-lived thorium isotopes

Christopher T Hayes1, Jeffrey Rosen1, David McGee2, Jessica N Fitzsimmons3, Amber Annett4 and Robert M Sherrell5, (1)University of Southern Mississippi, School of Ocean Science and Engineering, Stennis Space Center, MS, United States, (2)Massachusetts Institute of Technology, Earth, Atmospheric and Planetary Sciences, Cambridge, MA, United States, (3)Texas A & M University, Department of Oceanography, College Station, TX, United States, (4)University of Southampton, Southampton, United Kingdom, (5)Rutgers University, Departments of Marine and Coastal Sciences and Earth and Planetary Sciences, New Brunswick, NJ, United States