image: This is a "Tool dictionary" for the drilling operations on Lake El´gygytgyn in spring 2009. Drilling was performed in 12-hour shifts by mixed US-Russian crews. This image relates to a paper that appeared in the June 22, 2012, issue of Science, published by AAAS. The paper, by M. Melles at University of Cologne in Cologne, Germany, and colleagues was titled, “2.8 Million Years of Arctic Climate Change from Lake El’gygytgyn, NE Russia.” view more
Credit: [Julie Brigham-Grette, University of Massachusetts]