Greenlanders dug through the ice sheet and extracted cores in 1960
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| Greenlanders dug through the ice sheet and extracted cores in 1960 |
They analysed the annual stratigraphy of 110 000 years ago on the cores, then created a number of publications about the earth's climate history.
The essential point is that 10 millimetres of ice accumulateaccumulate in a year, according to mountain-drilling experts.
However, in 1990, an embarrassment occurred.
GreenlandGreenland was the site of an emergency landing by an American aircraft in 1942.
Military archaeologistsarchaeologists decided to swoop in and collect the jet 48 years later.
However, when they discovereddiscovered the plane, it was 75 metres beneath a layer of ice.
The ice sheet is growing at a rate of 1.56 metres per year, or 16 times faster.
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