Flood Hazard Frequency (IMAGE) University of California - Santa Barbara Caption Red represents increases and blue decreases in flood hazard frequency. Deeper colors indicate sites with statistically significant trends. Credit UCSB Usage Restrictions None 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.