Sampling sites. Cores were collected from W27 site in July 2002. W27 is along the Wassaw transect and has a depth of 27 m. The Wassaw transect was characterized by Marinelli et al. (Ref. 8). Cores were also collected from the R4 Tower site in April 2004, which is among eight platforms that are used to collect oceanographic and meteorological data for the South Atlantic Bight Synoptic Offshore Observational Network (SAB-SOON). This site is located at a depth of 40 m.