Ice core research. Researcher measuring an ice core to help determine its density, which in turn helps to date the ice. The ice formed over 1000 years ago from the compaction of snow. Analysis of the ice can provide information about the climatic conditions in which it formed. Cores can reveal changes in climate and atmospheric composition over thousands of years. Knowing how the climate changed in the past allows more accurate predictions of future changes. This core was taken during the EPICA (European Project for Ice Coring in Antarctica) from the ice at Dronning Maud Land, Antarctica.
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