Compilation of Water Column Methane Emission Sites on the U.S. Cascadia Margin from Five Recent Expeditions and a Historical Database

Susan G Merle1, Robert W Embley2, H. P. Johnson3, T. K. Lau1, Erica Sampaga3, Nicole Raineault4 and Lindsay Gee5, (1)Oregon State University, Newport, OR, United States, (2)NOAA Pacific Marine Environmental Laboratory, Newport, OR, United States, (3)University of Washington Seattle Campus, School of Oceanography, Seattle, WA, United States, (4)Ocean Exploration Trust Inc., Narragansett, RI, United States, (5)Acoustic Imaging, Portsmouth, NH, United States