Hidden historic heavy-metal burden spread shelf-wide (Gulf of Cadiz, SW Spain)

Till Jens Joerg Hanebuth1, Mary Lee King1, Isabel Mendes2, Susana Lebreiro3, Francisco Lobo4, Ferdinand J Oberle5 and Paulo A Ferreira6, (1)Coastal Carolina University, Conway, SC, United States, (2)University of the Algarve, Faro, Portugal, (3)IGME, Madrid, Spain, (4)IACT-CSIC, Armilla, Spain, (5)USGS Pacific Coastal and Marine Science Center Santa Cruz, CA, Santa Cruz, CA, United States, (6)UNESP Sao Paulo State University, Rio Claro, Brazil