PECCI M., DE SISTI G., MARINO A. & SMIRAGLIA C.
New radar surveys in monitoring the evolution of the Calderone glacier (central Appennines, Italy) – Un nuovo rilievo radar per valutare l’evoluzione del Ghiacciaio del Calderone (Appennino Centrale, ltalia)
Pages 145-150
Abstract
The Calderone Glacier on the Gran Sasso d’Italia massif (Central Apennines) is a small debris-covered glacier of less than 5 ha. Located in the center of Mediterranean area the little apparatus well shows the generalized retreat phase of mid -latitudes European glaciers. The current thickness of the residual ice (27 m maximum) was evaluated by groundprobing radar surveying and in addition the morphology of the bedrock was determined. The comparison with previous surveys revealed a clearcur reduction in the thickness of the ice near the terminal moraine and in the central part of the glacier . The overall results lend support to the possibility of developments in the use of ground-penetrating radar for detailed site investigations. In this regard, indi rect mass balance evaluations carried our on the basis of the annu al evaluation of ice thickn ess variations at control points seem to present interesting prospects.