A recent study forecasts fewer overall avalanches in Switzerland by 2100 due to climate change; however, wet snow avalanches are expected to rise in frequency. Researchers from the WSL Institute for Snow and Avalanche Research predicted greater wet snow avalanche danger, particularly above the tree line, as winter temperatures increase by about five degrees Celsius. Safety measures such as closing ski resorts in high-risk areas are strongly recommended.
Recent studies indicate a significant shift in avalanche behavior in Switzerland due to climate change. Researchers anticipate a decline in the overall number of avalanches projected by the year 2100; however, they predict an increase in wet snow avalanches, which occur when water from melting snow or rain infiltrates the snowpack. This phenomenon is expected to become more prevalent above the tree line. The WSL Institute for Snow and Avalanche Research (SLF) has noted that increased winter temperatures, estimated to rise by approximately five degrees Celsius, will likely result in less avalanche activity overall, with dry snow avalanches decreasing. Despite milder winters, extreme snowfall events will still occur, potentially contributing to larger avalanches at higher elevations that can reach valley areas under certain conditions. The findings of this research, conducted at various high-altitude locations in Switzerland, are applicable to the broader Alpine region and other similarly affected areas globally.
Climate change continues to pose serious threats to weather patterns and natural occurrences globally. In Switzerland, this includes a notable impact on avalanche frequency and types. The shift from dry to wet snow avalanches, particularly due to warmer temperatures causing increased snowmelt, raises safety concerns for ski resorts and those living near mountainous regions. Experts emphasize that while the overall avalanche frequency may decrease, the specific risk of dangerous wet snow avalanches increases, challenging existing safety protocols in affected areas.
In conclusion, the effects of climate change are poised to alter avalanche dynamics in Switzerland significantly by 2100. While the likelihood of overall avalanche occurrences may diminish, the risk from wet snow avalanches is expected to rise, particularly in high-altitude areas. Effective safety measures, such as closing ski resorts in high-risk zones, have been recommended by experts. This research highlights the need for adaptive strategies to manage changing environmental conditions in alpine regions.
Original Source: www.swissinfo.ch
