What is the GISP2 ice core?
In late 1988, the Office of Polar Programs (OPP, formerly the Division of Polar Programs) of the U.S. National Science Foundation (NSF) officially initiated the Greenland Ice Sheet Project Two (GISP2) project. It was developed as the first in a series of integrated studies, administered by OPP under its Arctic System Science (ARCSS) program, an initiative focusing on environmental change in the Arctic. On 1 July 1993, after five years of drilling, GISP2 penetrated through the ice sheet and 1.55 meters (5.08 feet) into bedrock, recovering an ice core to 3053.44 meters (10017.84 feet) depth.
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Visit the NSF Ice Core Facility here.
