time-averaged images show the presence of wave breaking

Detailed Description
Bright white areas in time-averaged images show the presence of wave breaking. These images from the U.S. Army Corps of Engineers Field Research Facility in the Outer Banks, North Carolina, reveal the presence of (a) rip currents and (b) beach cusps, and expose (c) straight and (d) complex offshore sandbars.
Sources/Usage
Public Domain.