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Sources and distribution of organic matter and polycyclic aromatic hydrocarbons in sediments of the southwestern Portuguese shelf

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Total organic carbon (Corg), total nitrogen (Ntot), Corg/Ntot, δ13Corg, δ15N, calcium carbonate (CaCO3), and grain size were analyzed in 70 surface samples and 19 short cores from the southwestern Portuguese shelf. Perylene and USEPA-16 PAHs were quantified ... ...