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Cleaning cutting fluid off a recent ice core

Murat Aydin cleans cutting fluid off a recent ice core as he prepares it for storage

Murat Aydin cleans cutting fluid off a recent ice core as he prepares it for storage. He is the lead scientist for the South Pole Ice Core (SPICECORE) project, run by the University of California, Irvine, and supported by the National Science Foundation. The project collected ice samples as deep as 5,744 feet below the surface. Sealed inside each ancient ice sample, or ice core, are numerous tiny air bubbles that contain samples of the atmosphere from the past before the ice was buried. Climate scientists analyze these trapped bubbles to learn what the Earth’s atmosphere was like thousands of years ago. [Research supported by NSF grant PLR 11-42517.] (Date image taken: December 2015; date originally posted to NSF Multimedia Gallery: March 3, 2017)

Credit: Mike Lucibella, NSF; source: U.S. Antarctic Program photo library
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