The Greenland Ice Sheet is a big place, and having funding to work at just one site required some skill in finding just the right site to study. Mark Skidmore had been through this exercise working on Ellesmere Island, and he was appointed as the post-doc on the project. Logistics and cost are key to where you first start working in a remote place, and we had two other criteria to match. We wanted to work on the most unreactive bedrock we could find, ancient crystalline continental shield, and at a site with as few small valley glacier characteristics that...

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