Alpine ice caves are natural caves formed in bedrock, containing perennial accumulations of water in its solid phase (Perşoiu and Onac, 2012). Since their main characteristics is to have ground ice older than 2 years, many authors are prone to consider ice caves as sporadic permafrost phenomena (e.g. Holmlund et al., 2005; Luetscher et al. 2005, Hausmann and Behm, 2011; Kern et al., 2011; Luetscher et al., 2013).
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