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Public Health & Environment Archives - DRI
First-ever layered lake-sediment sample extracted from subglacial Antarctica

First-ever layered lake-sediment sample extracted from subglacial Antarctica

Since the discovery 50 years ago of subglacial lakes in Antarctica — some of the least accessible geological features on Earth — scientists have attempted to extract lake bed sediment to learn about the formation, movement, and past conditions of the ice sheet. Now, a team of researchers with the NSF-funded project Subglacial Antarctic Lakes Scientific Access (SALSA) has successfully done so, recovering the first layered sediments from beneath the modern Antarctic ice sheet.