Figure 6. Hill-shaded bathymetry of the study area. Four areas outlined in black show multibeam bathymetry from H11320, while the rest of the bathymetry is from the NGDC Coastal Relief Model. Multibeam bathymetric data have been gridded at 4 m and depths represent mean lower low water level in multibeam data and either mean low water or mean lower low water in Coastal Relief Model data (Divins and Metzger).