Flood Visualization (IMAGE) DOE/Oak Ridge National Laboratory Caption Pictured here is a visualization of the team's flood wave propagation simulation for the Saylorville Dam break case, shown at 9000 seconds. The blue lines indicate the position of the main channel of the Des Moines River, and the black and green lines indicate the position of the two main tributaries: Beaver Creek and Raccoon River, respectively. Credit Iowa Flood Center Usage Restrictions Must use credit. 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.