For the 50% of the Australian coast that is composed of sand, the shoreline is prone to change. Erosion is the main thing that will impact our beaches, it is usually from a natural cause but sometimes even from human interference.
![Picture](/uploads/1/8/9/3/18938475/9636497.gif?432)
This is a diagram of erosion on a typical Australian beach.
![Picture](/uploads/1/8/9/3/18938475/5672740.jpg?355)
This is Wamberal beach in NSW, it has a great example of beach erosion as shown.