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  • 1
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    Permafrost mapping on glaciers in the Ötztal, Austria
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    In:  Supplement to: Haeberli, Wilfried; Patzelt, Gernot (1982): Permafrostkartierung im Gebiet der Hochebenkar-Blockgletscher, Obergurgl, Ötztaler Alpen. Zeitschrift für Gletscherkunde und Glazialgeologie, 18(2), 127-150, hdl:10013/epic.40222.d001
    Details
    Publication Date: 2023-05-12
    Description: The occurrence of permafrost in the region of the Hochebenkar rock glaciers has been mapped in detail. For this purpose basal temperatures of the winter snow cover were measured at over 250 sites (BTS-method), II refraction-seismic profiles were taken in frozen and unfrozen unconsolidated sediments and 12 springs were investigated in terms of their summer temperature 128 W. Haeberli und G. PatzeIt variations. The combination of seismic refraction and the BTS-method allows rapid and reliable mapping of alpine permafrost, and at the same time enables differences in active-Iayer thickness to be established. The resuIts of the observations confirm the ideas developed in the Swiss Alps in recent years about the relationships between permafrost and rock glaciers: rock glaciers are creep phenomena of discontinuous alpine permafrost.
    Keywords: Geological mapping; GEOMAP; Glaciers Austria; Hochebenkar; Ötztal, Tyrolian Alps, Austria
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 2
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    Map of permafrost distribution in area of Hochebenkar-Blockgletscher, Austria
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    Details
    Publication Date: 2023-05-12
    Keywords: Geological mapping; GEOMAP; Glaciers Austria; Hochebenkar; Ötztal, Tyrolian Alps, Austria
    Type: Dataset
    Format: image/jpeg, 9 MBytes
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  • 3
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    Spring temperatures in the area of Hochebenkar glaciers
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    Publication Date: 2023-05-12
    Keywords: DATE/TIME; Geological mapping; GEOMAP; Glaciers Austria; Hochebenkar; Ötztal, Tyrolian Alps, Austria; Temperature, water; Thermometer
    Type: Dataset
    Format: text/tab-separated-values, 108 data points
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  • 4
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    Table 2: Firn temperature, ram resistance, mass balance and submergence velo city measurements on Colle Gnifetti
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    In:  Supplement to: Alean, Jürg; Haeberli, Wilfried; Schädler, Bruno (1983): Snow accumulation, firn temperature and solar radiation in the area of the Colle Gnifetti core drilling site (Monte Rosa, Swiss Alps): Distribution patterns and interrelationships. Zeitschrift für Gletscherkunde und Glazialgeologie, 19(2), 131-147, hdl:10013/epic.40215.d001
    Details
    Publication Date: 2023-05-12
    Description: Distributional patterns of glaciological parameters at the Colle Gnifetti core drilling site are described and their interrelationships are brietly discussed. Observations within a stake network established in 1980 furnish information about snow accumulation (short term balance), submergence velocity of ice tlow (long term balance), ram hardness (melt layer stratigraphy), and firn temperature. In addition, a numerical model was used to estimate local variations of available radiant energy. Melt layer formation is considerably more intensive on the south facing parts of the firn saddie where incoming radiation is high. These melt layers seem to effectively protect some of the fallen snow from wind erosion. As a result, balance ist up to one order of magnitude larger on south facing slopes. Heat applied to the surface is therefore positively correlated with balance, whereas the relation between solar radiation and firn temperature is less dear. Distributional patterns of submergence velocity confirm that the observed spatial variability of surface balance is representative for longer time periods and greatly intluences the time scale and the stratigraphy of firn and ice cores from Colle Gnifetti.
    Keywords: Average; Colle_Gnifetti; Colle Gnifetti, Monte Rosa, Swiss Alps; DATE/TIME; Difference; Mass balance in water equivalent per year; Number; Number of levels; Temperature, in rock/sediment; Thermometer; Velocity magnitude
    Type: Dataset
    Format: text/tab-separated-values, 183 data points
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