Glaciers in Switzerland, known for hosting the most glaciers in the Alps, have experienced a 5.5% decrease in ice volume this year, marking the second-largest drop on record. The decline is attributed to heat waves and low winter snowfall, according to experts.
The GLAMOS Swiss glacier monitoring service and Swiss Academy of Sciences expressed concerns, stating that under current conditions, Alpine glaciers face an uncertain future. Over the past five years, Switzerland has witnessed a nearly 20% reduction in its ice volume, indicating a worsening trend.
The report highlights the detrimental impact of global warming on Europe, the continent experiencing the fastest rate of warming worldwide. Matthias Huss, the head of GLAMOS, emphasized that the current warming can be solely attributed to human-induced climate change, emphasizing the critical role of anthropogenic activities in driving the climate crisis.
The unprecedented retreat of glacier ice in Switzerland in 2022 was influenced by a combination of factors, including summer heat, minimal winter snowfall, and the deposition of reddish dust from the Sahara. Huss explained the significance of winter snow cover in protecting the ice from melting and facilitating the formation of new ice on glaciers.
Beyond Switzerland, global warming has led to catastrophic events, such as the collapse of a Himalayan slope in Nepal triggered by climate change-induced glacier destabilization. Satellite observations have also documented significant glacier shrinkage in regions like Greenland and Antarctica over the past few decades.
While the absolute volume loss in Swiss glaciers this year is lower than in 2003, the percentage decline is more significant due to the overall diminished ice volume. The accelerated ice melt in Switzerland has resulted in the loss of 2.2 trillion liters of water between July and September, equivalent to four times the country’s annual water consumption.
Switzerland, known as Europe’s water tower, plays a crucial role in supplying water to major rivers like the Danube, Po, Rhine, and Rhone. The experts warn that the extreme melting witnessed this year has led to a substantial thinning of glaciers, with some experiencing reductions in ice thickness and length.
Glaciers such as Allalin, Clarident, Rhone, and Aletsch, the largest in the Alps, have recorded record melt rates this year. Despite the challenges faced by Swiss glaciers, Huss emphasized the importance of reducing CO2 emissions to stabilize the climate and potentially mitigate further glacier loss, particularly in polar regions where there is still a window of opportunity to make a difference.