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NEEM Deep ice core drilling
Logistics by:
DK group NSF OPP
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2008
2008
Danish deep ice core drill
Drill length: 13 m Ice core diameter: 9.8 cm
Ice cores: 3.5 m
Ice thickness: 2545 m
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The air bubbles in ice contain
samples of the past atmosphere
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50% loss of mass by
melt at the margin of
the ice sheet
50% loss of mass by
ice discharge from
fast flowing ice supplying icebergs to the fjords and
ocean
Jakobshavn
Ice Stream
50% loss of mass by
ice discharge from
fast flowing ice supplying icebergs to the fjords and
ocean
Jakobshavn
Ice Stream
Predictions of climatic conditions in Greenland
Stendel et al. (2008) Advances in Ecological Research vol 40
3-4oC
1-2oC
9-10oC
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Balance:
Accumulation: +560 Gt/yr Melt -400 Gt/yr
Ice Discharge -400 Gt/yr
Greenland is loosing 240 Gt/yr
at present.
(SLR: 0.7 mm/yr)
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