Tidal Flats (IMAGE) Florida Atlantic University Caption Tidal flats are areas that are alternatively and periodically exposed to or inundated by the tides. Credit Chao Xu, Ph.D. Usage Restrictions Credit: Chao Xu, Ph.D. License Original 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.