wunder · LibraryPart 33
Read in the Wunder reader — freeMorteratsch Glacier, Line B.
No. of Stake. Hourly Motion.
1 0.05 inch.
2 0.14 inch.
3 0.24 inch.
4 0.32 inch.
5 0-41 inch.
6 0.44 inch.
7 0.44 inch.
8 0.45 inch.
9 0.43 inch.
10 0.44 inch.
11 0.44 inch.
The first stake of this line was quite close to the edge of the glacier, and the ice was thin at the place, hence its slow motion. Crevasses prevented us from carrying the line sufficiently far across to render the retardation of the further side of the glacier fully evident.
Morteratsch Glacier, Line C.
No. of Stake Hourly Motion.
1 0.05 inch.
2 0.09 inch.
3 0.18 inch.
4 0.20 inch.
5 0.25 inch.
6 0.27 inch.
7 0.27 inch.
8 0.30 inch.
9 0.21 inch.
10 0.20 inch.
11 0.16 inch.
Comparing the three lines together, it will be observed that the velocity diminishes as we descend the glacier. In 100 hours the maximum motion of three lines respectively is as follows:
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