The bottom portion of Norway's Storbreen (Big Glacier) in Jotunheimen has split in two and is steadily melting.
Several years of warm summers and poor snowfall have left Bretunga, the lower part of the glacier, in poor shape.
The glacier is now clearly divided in two. Less than ten years ago it was completely joined there at the bottom.
More or less all of Norway's glaciers are now on the retreat. They are shrinking in both length and volume, and the trend has been clear since the beginning of the 20th century.
Glaciers react quickly to changes in temperature and precipitation, and provide much useful information to climate researchers.
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