Emilie Capron with an ice core in the sub surface ice-core laboratory (IMAGE)
Caption
The study's lead author Emilie Capron next to an ice core in the ice-core laboratory, drilled into the surface ice in the Greenland ice sheet. The ice cores from the NGRIP and NEEM drill projects used in this study are 2½-3 km long and consist of layers of precipitation deposited on the Greenland ice sheet over more than 100,000 years. The climate conditions of each year have been revealed from millions of measurements of the composition of the ice and its impurities.
Credit
Photo: Mari Jensen.
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