Journal
ANNALS OF GLACIOLOGY
Volume 50, Issue 53, Pages 46-52Publisher
INT GLACIOL SOC
DOI: 10.3189/172756410790595903
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Funding
- University of Innsbruck
- Glaciological Seminar Innsbruck
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A new approach to glacier inventory, based on airborne laser-scanner data, has been applied to South Tyrol, Italy: it yields highly accurate results with a minimum of human supervision. Earlier inventories, from 1983 and 1997, are used to compare changes in area, volume and equilibrium-line altitude. A reduction of 32% was observed in glacier area from 1983 to 2006. Volume change, derived from the 1997 and 2006 digital elevation models, was -1.037 km(3), and an ELA rise of 54 m, to almost 3000 m a.s.l., was calculated for this period. Losses vary widely for individual glaciers, but have accelerated for all South Tyrolean glaciers since the first inventory in 1983.
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