Table 1 Calculated average basal shear stress with either old valley-fill or rock base as the glacier bed at selected cross sections and input data
From: Deep alpine valleys: examples of geophysical explorations in Austria
Ice surface elevation (m) NN | Dip of ice surface (°) | Hydraulic radius (m); old valley fill/rock base | Basal shear stress (KPa); old valley fill/ rock base | |
|---|---|---|---|---|
Ötz Valley A–A′ | 2,500 | 0.55 | –/742 | –/63 |
Ötz Valley B–B′ | 2,500 | 0.55 | 809/815 | 69/69 |
Oichten Valley E–E′ | 770 | 0.92 | 236/353 | 33/50 |
Drau Valley C–C′ | 2,000 | 0.44 | 649/633 | 44/43 |
Drau Valley D–D′ | 2,000 | 0.44 | –/777 | –/53 |
Pasterze F–F′ | 2,700 | 2.0 | 269/282 | 83/87 |
Pasterze-today F–F′ | 2,250 | 4.6 | 91/– | 65/– |