Yedoma Outcrop (IMAGE) University of Eastern Finland Caption Researchers in front of a Yedoma outcrop with multiple buried peat profiles that have been preserved in permafrost, Eastern Lena River Delta, Siberia, Russia. The buried peat profiles protrude from the cliff face. Credit Guido Grosse (AWI) Usage Restrictions Please mention the 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.