Deep Sea Sediment Core Vessel (IMAGE) University of Colorado at Boulder Caption Researchers using sophisticated research vessels extract deep-sea sediment cores from oceans around the world to chart past climate change. Credit Thomas Marchitto, University of Colorado 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.