Storm Surge Erosion (IMAGE) University of Pennsylvania Caption The Superstorm Sandy storm surge breached the dune line and created a channel that is stabilized by American beachgrass (Ammophila breviligulata) on the left and Asiatic sand sedge (Carex kobomugi) on the right. Credit Bianca Charbonneau Usage Restrictions In context of reporting License Licensed content 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.