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Glacier length variation

The measurement of length fluctuation are carried out annually on the glacier tongues of all larger and on many of the smaller glaciers and provide an excellent overview of the variations of the Swiss Glaciers. The length fluctuations result from the dynamical response of the glaciers to climatic forcing.

In the figure above the number of measured glaciers as well as the proportions in percentages of advancing (blue), stationary (green) and retreating (red) glaciers is shown for everey year since the beginning of the systematic observations in 1880. The figure below reprecents the cumulated length change for four selected glaciers of diffrent size. The different curves reflect the effect of the glacier geometry on the delayed response at the glacier tongue on the climatic forcing.

Detailed facts and figures (data, charts) of each glacier you find on the individual pages (selectable by interactive maps or lists).




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