Permafrost in the Tibetan Plateau (IMAGE) University of Arizona Caption The team's research area included the northern Tibetan plateau, pictured here. Much of the ground in this area is soil that remains frozen throughout the year, called permafrost. Credit Feng Cheng 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.