Alpine glaciers to disappear within decades?

Details Alpine glaciers to disappear within decades? Alpine glaciers to disappear within decades?

Jul 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006georl..3313504z&link_type=abstract

Geophysical Research Letters, Volume 33, Issue 13, CiteID L13504

Physics

18

Cryosphere: Glaciers, Cryosphere: Modeling, Global Change: Cryospheric Change (0776), Global Change: Impacts Of Global Change (1225), Hydrology: Snow And Ice (0736, 0738, 0776, 1827)

Scientific paper

Past, present and potential future glacier cover in the entire European Alps has been assessed from an integrated approach, combining in-situ measurements, remote sensing techniques and numerical modeling for equilibrium line altitudes. Alpine glaciers lost 35% of their total area from 1850 until the 1970s, and almost 50% by 2000. Total glacier volume around 1850 is estimated at some 200 km3 and is now close to one-third of this value. From the model experiment, we show that a 3°C warming of summer air temperature would reduce the currently existing Alpine glacier cover by some 80%, or up to 10% of the glacier extent of 1850. In the event of a 5°C temperature increase, the Alps would become almost completely ice-free. Annual precipitation changes of +/-20% would modify such estimated percentages of remaining ice by a factor of less than two.

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