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Time-averaged images, which represent the time-mean of all the images collected during a video, are used to identify areas where waves are breaking, which show up as bright white bands in the image. From this image product, coastal features and hazards such as the shoreline position as it moves up and down the beach with the tide, the presence and shape of offshore sandbars, and the occurrence of rip currents can be extracted. Changes in all of these features through time provide valuable insight into the dynamic nature of coastal environments.
This is a time-averaged image from Camera 2 at Madeira Beach, Florida. Camera hosted by Shoreline Island Resort.
Public Domain.
