1925
52 of 74 measured glacier tongues retreated.
Glaciers measured74single-year length change
Advancing1520%
Retreating5270%
Median change−4.5m
Mass balance+0.13m w.e.mean of 3 glaciers
Length change
74 tongues measured
Mass balance
3 glaciers
| Glacier | Annual balance |
|---|---|
| Grosser Aletschgletscher | −0.44 m w.e. |
| Silvrettagletscher | +0.42 m w.e. |
| Claridenfirn | +0.43 m w.e. |