Coastal Erosion (image) Flinders University Share Print E-Mail Caption Research at Flinders University has found a new physical mechanism which erodes seabed sediment at depths up to 20 meters, well outside (between 10 km and 20 km) from the surf zone closer to shore. Credit Stock photo: Getty Images. Usage Restrictions Photo purchased for Flinders University use only. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.