Lead Isotopes in Deep Sea Sediments reveal alteration of Isotopic Signal in the Water Column at Highly Productive Sites in the Southern Ocean

Lina Oskamp1, Marta Pérez Rodríguez1, Adelina Calean1, Harald Biester1, Marco Benkhettab Sindlev2, Frank Wenzhofer3 and Ronnie N Glud4, (1)Technical University of Braunschweig, Institute for Geoecology, Environmental Geochemistry Group, Braunschweig, Germany, (2)University of Southern Denmark, Odense, Denmark, HADAL & Nordcee, Department of Biology, Odense, Denmark, (3)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, HGF-MPG Joint Research Group for Deep-Sea Ecology and Technology, Bremerhaven, Germany, (4)University of Southern Denmark, Department of Biology, Odense M, Denmark