Importance of Coccolithophore-associated Organic Biopolymers for Fractionating Particle-reactive Radionuclides (234Th, 233Pa, 210Pb, 210Po and 7Be) in the Ocean

Peng Lin1, Chen Xu1, Saijin Zhang1, Kathleen Schwehr1, Luni Sun1, Laura Bretherton2, Antonietta Quigg2 and Peter H Santschi1, (1)Texas A&M University at Galveston, Department of Marine Sciences, Galveston, TX, United States, (2)Texas A&M University at Galveston, Marine Biology, Galveston, TX, United States