Data Description

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Good, W (2011): Table 1: Parameters of 21 samples from core III of Vernagtferner. doi:10.1594/PANGAEA.772125,
Supplement to: Good, Walter (1982): Structural investigations of snow and ice on core III from the drilling on Vernagtferner, Austria, in 1979. Zeitschrift für Gletscherkunde und Glazialgeologie, 18(1), 53-64, hdl:10013/epic.38456.d001
The purpose of this study was: (1) To make an attempt at finding a stratification of the snowpack in order to help remove ambiguities in dating the snowlayers by standard methods. (2) To verify the depth at which the transition between firn and ice occurs.
Clearly the first goal was missed, the structural information in a temperate firn being strongly smoothed out in time. Interesting details like horizontal ice lenses and layers of "cold snow" however, were revealed. In spite of strong variations of density, gravimetric density PG and ice density PI, computed from point density, are identical for the firn pack between Z = 2.0 m and 6.0 m. p(ice) = 0.522 ± 0.034 x 10**3 kg/m**3. The ice density of 0.8 x 10**3 kg/m**3, the assumed transition between firn and ice, was found to occur at a depth of Z= 19 m. Even at this level, rather important variations in density may be localized. Between Z= 19 m and 21 m, the ice density varies from 0.774 x 10**3 to 0.860 x 10**3 kg/m**3.
Latitude: 46.866660 * Longitude: 10.816660
Date/Time Start: 1982-01-01T00:00:00 * Date/Time End: 1982-01-01T00:00:00
Minimum DEPTH, ice/snow: 2.35 m * Maximum DEPTH, ice/snow: 6.26 m
Vernagtferner_I-VI * * Latitude: 46.866660 * Longitude: 10.816660 * Date/Time: 1982-01-01T00:00:00 * Recovery: 80 m * Location: Vernagtferner, Ötztal Alps, Austria * * Device: Ice drill (ICEDRILL) *
#NameShort NameUnitPrincipal InvestigatorMethodComment
1Number *NoGood, Walter *
2Sample code/label *LabelGood, Walter *
3DEPTH, ice/snow *Depth ice/snowmGeocode
4Mean, statistical *MeanGood, Walter *Point density
5Variance *VarGood, Walter *Point density
6Minimum *MinGood, Walter *Point density
7Maximum *MaxGood, Walter *Point density
8Mean, statistical *MeanGood, Walter *Line intersects
9Variance *VarGood, Walter *Line intersects
10Minimum *MinGood, Walter *Line intersects
11Maximum *MaxGood, Walter *Line intersects
12Mean, statistical *MeanGood, Walter *Grain intercept
13Variance *VarGood, Walter *Grain intercept
14Minimum *MinGood, Walter *Grain intercept
15Maximum *MaxGood, Walter *Grain intercept
16Mean, statistical *MeanGood, Walter *Void intercept
17Variance *VarGood, Walter *Void intercept
18Minimum *MinGood, Walter *Void intercept
19Maximum *MaxGood, Walter *Void intercept
378 data points

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