Temporal and Water Column Variability in Particulate Organic Carbon Composition on the Amazon River Main-stem

Sarah Rosengard1,2, Valier Galy1, Robert G Spencer3 and Ann P McNichol4, (1)Woods Hole Oceanographic Institution, Woods Hole, MA, United States, (2)Massachusetts Institute of Technology, Cambridge, MA, United States, (3)Florida State University, Earth, Ocean and Atmospheric Sciences, Tallahassee, FL, United States, (4)Woods Hole Oceanographic Institution, Geology and Geophysics, Woods Hole, MA, United States