Examples of sediment dynamics offshore of barrier islands

Left: shades of blue show water depth. Right: changes in colors show accretion or erosion of the seafloor

Detailed Description

Examples of sediment dynamics offshore of barrier islands include the development and erosion of shoals, tidal deltas, and sand ridges. The perspective block diagrams above show elevations for a portion of the seafloor adjacent to Dauphin Island, Alabama (top left), measurement of accretion and erosion of these features (top right) reveal their dynamic nature over the past half-century. Data source and analysis from DeWitt and others (2018) and Flocks and others (2017).

Details

Image Dimensions: 2880 x 964

Date Taken:

Location Taken: US