New research from ESA’s Climate Change Initiative has helped to produce the first reliable estimate of snow mass change and has helped to identify different continental trends.
Warming surface temperatures are known to have driven substantial reductions in the extent and duration of northern hemisphere snow cover. Equally important, but much less well understood is snow mass – the amount of water held in the snow pack – and how it has changed over time.
Millions of people rely on snow meltwaters for power, irrigation and drinking water. More accurate snow mass information would not only help to assess the availability of freshwater resources and identify flood risk, but also enable the better assessment of the role seasonal snow plays in the climate system.
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