There are two ways to control coastal erosion or prevent coastal erosion from it get worst.
(click image to enlarge)
Hard structural are as follow :
Soft structural : Beach nourishment
- is the addition of sand and sediment to the beach to replace the sand and sediment that has been eroded away.
- the replacement sand added is oftent different from the natural beach sand, maybe bigger or smaller in diameter thus affect the way waves interact with the beach and cause change the shape of beach
- the nourishment sand usually erodes faster than the natural sand on the beach.
Both image showed before (left) and after beach nourishment (right)