1917
25 of 54 measured glacier tongues retreated.
Glaciers measured54single-year length change
Advancing2546%
Retreating2546%
Median change0.0m
Mass balance−0.33m w.e.mean of 3 glaciers
Length change
54 tongues measured
Mass balance
3 glaciers
| Glacier | Annual balance |
|---|---|
| Grosser Aletschgletscher | −0.80 m w.e. |
| Claridenfirn | −0.16 m w.e. |
| Silvrettagletscher | −0.03 m w.e. |