Erosion of fronting beaches : Applies to devices that cause wave reflection, that prevent landward migration of beaches, or which cut off the local sediment supply.
(devices that cause wave reflection; prevent; landward migration of beaches, or which cut off the local sediment supply) (landward migration of beaches; cut off; the local sediment supply)
devices that cause wave reflection landward migration of beaches
prevent cut off
landward migration of beaches, or which cut off the local sediment supply
the local sediment supply