1933
74 of 88 measured glacier tongues retreated.
Glaciers measured88single-year length change
Advancing1315%
Retreating7484%
Median change−7.0m
Mass balance+0.37m w.e.mean of 3 glaciers
Length change
88 tongues measured
Mass balance
3 glaciers
| Glacier | Annual balance |
|---|---|
| Grosser Aletschgletscher | −0.09 m w.e. |
| Silvrettagletscher | +0.51 m w.e. |
| Claridenfirn | +0.69 m w.e. |