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Department of Theoretical and Applied Science, Insubria University
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As regards permafrost, at the Stelvio-Livrio site (3000 m) since 1998 is active a borehole, performed in the framework of the international project PACE (Guglielmin, 2004; Harris et al., 2003) and equipped with thermistors and data loggers from the surface up to 100.3 m of depth. Thermal data indicate a possible permafrost base (cryopeg) located at about 200 m of depth or more, a very deep value for the Alps which suggests to focus here further investigations. Moreover in the Park are also present several rock glaciers, among the most interesting periglacial landforms (Smiraglia, 1985; 1987; Guglielmin, 1997) which whenever active are characterized by an ice core driving their dynamics and preserving important information on past environmental and climate history (Guglielmin et al., 2004; Stenni et al., 2007).