Extreme Storm Surges (IMAGE) University of Copenhagen Caption Extreme storm surges like that caused by Hurricane Katrina (2005) become more frequent in globally warming climate new research shows. Credit Credit: Aslak Grinsted, Niels Bohr Institute Usage Restrictions Credit: Aslak Grinsted, Niels Bohr Institute 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.