The Dictionary of the Climate Debate (DCD)

Definition: A follow-up to the GISP project that was undertaken to drill at a superior location near the GRIP project. In 1993, after five years of work, the team produced a 3053.44 meter ice core, which was the deepest ever made at the time. The bulk of it is archived at the National Ice Core Laboratory in Colorado.

A photo of a section of the ice core. The annual layers are clearly visible.

1. The GISP2 and GRIP projects were located close to each other because collecting two cores from that same area would show whether the historical records derived from the extracted cores were reproducable and thus believable. It turned out that they were the same up to 100,000 BP where they diverged because of ice flows at that depth.

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