Younger Dryas marine ecosystem record from Sitka Sound Alaska, USA: Rapid transition from proglacial lake to open ocean

Scott Starratt, USGS Western Regional Offices Menlo Park, Menlo Park, CA, United States, David Bukry, U.S. Geological Survey, Menlo Park, CA, United States, Summer Kate Praetorius, USGS, Menlo Park, OR, United States and Jason A Addison, USGS, Geology, Minerals, Energy, & Geophysics Science Center, Menlo Park, CA, United States