Permafrost Study (IMAGE) DOE/Sandia National Laboratories Caption This artistic diagram of the subsea and coastal permafrost ecosystems emphasizes greenhouse gas production and release. Sandia National Laboratories geosciences engineer Jennifer Frederick is one of the authors in a recent study regarding the release of such gases from submarine permafrost. Credit Artwork by Victor O. Leshyk, Center for Ecosystem Science and Society, Northern Arizona University 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.