Maps (IMAGE) University of Arizona Caption Reconstructed surface air temperature (left) and rainfall amount (right) during the Paleocene-Eocene Thermal Maximum warming event, 56 million years ago. The maps were created by blending geological data with climate model simulations using a technique called paleoclimate data assimilation. Credit Jessica Tierney Usage Restrictions This visual may only be used for the purpose of posting and/or reporting of this news release. Credit information must be provided as indicated 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.