Stable carbon isotope ratios of archaeal GDGTs in the marine water column and surface sediments

Ann Pearson1, Sarah Hurley1, Hilary G Close2 and Claire E Jasper3, (1)Harvard University, Department of Earth and Planetary Sciences, Cambridge, MA, United States, (2)Rosenstiel School of Marine, Atmospheric, and Earth Science, University of Miami, Department of Ocean Sciences, Miami, United States, (3)Lamont-Doherty Earth Observatory, Palisades, United States