Constraining Sources of Fossil Methane in Seawater above Gulf of Mexico Hydrocarbon Seeps

DongJoo Joung1,2, Thomas S Weber3, Katherine Gregory3, Jesse Dugan3 and John Kessler3, (1)Pusan National University, Department of Oceanography, Busan, South Korea, (2)Pusan National University, Institute for Future Earth, Busan, South Korea, (3)University of Rochester, Department of Earth and Environmental Sciences, Rochester, United States