Glacier surface area is a key indicator used to analyse the condition of Alpine glaciers. It reflects the balance between winter snow accumulation and summer melting.
This chart compares the current surface area of several major glaciers in the European Alps. This comparison helps identify the largest glaciers and observe differences between Alpine massifs.
Changes in glacier surface area are among the most reliable indicators for analysing the impact of climate change in high mountain regions.
Since the end of the Little Ice Age in the 19th century, most Alpine glaciers have experienced a progressive retreat linked to rising temperatures and changes in precipitation patterns.
This chart illustrates the continuous reduction in the surface area of a representative Alpine glacier between 1850 and today.
The average altitude of a glacier plays a major role in its resistance to climate change. Glaciers located at higher altitudes benefit from lower temperatures and greater snow accumulation.
Conversely, glaciers located at lower altitudes are more exposed to summer melting and climate variations.
This chart compares the average altitude of several major glaciers in the European Alps.