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Hydrocarbons In Deep-Sea Sediments Following The 2010 Deepwater Horizon Oil Spill In The Northeast Gulf Of Mexico, Isabel Romero
Hydrocarbons In Deep-Sea Sediments Following The 2010 Deepwater Horizon Oil Spill In The Northeast Gulf Of Mexico, Isabel Romero
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High-resolution analyses of sediment cores collected in the aftermath of the Deepwater Horizon (DWH) were conducted to reconstruct the concentration, composition and flux of hydrocarbons to deep-sea (pre-2010, 2010, and 2011) in the DeSoto Canyon, Northeast Gulf of Mexico. Specifically, we analyzed total organic carbon (TOC), aliphatic, polycyclic aromatic hydrocarbon (PAHs), and short-lived radionuclide (234Th, 210Pb) compounds at 2 mm and 5 mm core intervals to elucidate possible hydrocarbon sources and transport pathways to sediments during the time covered in this study. Results showed higher TOC, total aliphatics and PAH fluxes after the DWH blowout (2010-2011) compared to pre-2010 years …