Quelccaya ice core drilling
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Ice core drilling equipment at the summit of Quelccaya, Peru, summer 2003. The extracted core is unique because it contains ice analyzable to annual resolution. Ryan Vachon (INSTAAR graduate student) joined the international drilling team was led by Lonnie Thompson of the Byrd Polar Research Center (The Ohio State University). Vachon's advisor is James White (ENVS, Geological Sciences, & INSTAAR faculty). Photo: Ryan Vachon (INSTAAR).