South Australians love their metropolitan beaches. They are a part of our lifestyle, but they are under constant threat due to a combination of natural conditions and human influences.
Adelaide's metropolitan beaches cannot be considered to be stable or in equilibrium, as many other beaches are. Before European settlement, beach widths were sustained by erosion of the coastal dunes, but subsequent development on top of these dunes has meant that this replenishment process has to be carried out artificially.
To maintain sandy beaches we need to actively recycle sand that is continuously being pushed north by waves. If we don't keep bringing the sand back to our southern beaches, they will turn to rock and clay and houses, roads and public facilities on the foreshore could be badly damaged by erosion and storms.
Refer to our reference material page.