Similar term(s): carrots.
Cylinders of ice obtained by drilling into a glacier.
Since the different layers of ice are formed over time through build-up of
snow, ice cores provide information on climate from different periods (up to
almost one million years) that can be used for research.
Deep ice core from Law Dome (Antarctica)
Source: Vin Morgan © Australian Antarctic Division 2006 Kingston Tasmania 7050 -
To read about this term in context:
GreenFacts Summary on Arctic Climate Change:
Español: Testigo de hielo
Français: Carotte de glace