Scientists dating trees (IMAGE) Frontiers Caption Dr LeeAnn Haaf (pictured) and colleagues used dendrochronology, the analysis of tree growth rings, to explore relationships between flooding, climate variables, and site-specific conditions. Image: Sandra Cross. Credit Sandra Cross Usage Restrictions Please credit creator 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.