‘The canary in the coal mine’: Most Olympic Peninsula glaciers will disappear by 2070
Around the world, glaciers are thinning and retreating, affecting communities that depend on them for their survival culture, healthy ecosystem, traveland HydropowerYes. Glacier retreat risk is higher in coastal mountains, such as those on the Olympic Peninsula, due to milder climates and lower elevations. As a result, glaciologists studying the region are racing to predict which glaciers, communities and ecosystems are most at risk.
Coastal regions such as Washington State’s Olympic Peninsula have lost more mass than inland regions because they are warmer in winter. Ocean temperatures are relatively stable, which can moderate any drop in atmospheric temperature, making it less severe. Coastal mountains are also generally lower in elevation, meaning they rarely exceed freezing point – Mount Olympus is the highest mountain on the Olympic Peninsula, at 7,949 feet compared to Mount Rainier, which is a little inland. is 14,411 feet.
Since 1980, 35 glaciers and 16 perennial snowfields have disappeared on the Olympic Peninsula. The remaining 255 glaciers and snowfields have a combined area of about 25 square kilometers, said Andrew Fountain, a professor of geography and geology at Portland State University. That’s only about half the size of the peninsula’s ice sheet in 1900. Shrinking glaciers are beginning to threaten the region’s biodiversity, water supplies, indigenous cultures and economies, making it a key research site for action as a predictor of inland glaciers and their ecosystems.
The Blue Glacier feeds the Olympic Peninsula’s Cocoa River, which winds through the Cocoa National Rainforest and welcomes hundreds of thousands of tourists each year. Photo credit: Aaron Linville
One A recent study Publishing in the Journal of Geophysical Research in March, Fountain and his co-authors predict that the remaining glaciers and perennial snow cover on the Olympic Peninsula will continue to shrink as temperatures rise and will largely disappear by 2070. Fountain said the “canary in the coal mine” heralds impending doom and disappearance for glaciers and their communities around the world. He explained that between “warmer summers leading to more ice melt and warmer winters leading to less snowfall, [Olympic] Glaciers are being hammered”, “The future of these glaciers is dire. “
The disappearance of glaciers can have a knock-on effect on the ecosystem. Study co-author Jon Riddle, a geologist with the National Park Service, explained that while glaciers may look like lifeless ice sheets, they support many organisms, including ice worms, algae and bacteria, if these glaciers will die and disappear. Alpine ecosystems, including birds such as cardinals, depend on glaciers and their biota for food. Without the glaciers, these ecosystems would collapse, threatening the biodiversity of the Olympic Peninsula, he told GlacierHub.
Brown-crowned rose finches look for small black ice bugs on a glacier. Photo credit: Bryant Olson
In addition to glaciers and alpine ecosystems, melting glaciers can also disrupt downstream ecological communities.grassroots conservation group board member Tom Hammond olympic park advocate, stressing that the disappearance of the glacier means “fish such as salmon and rainbow trout will be most negatively impacted by the disappearance of the glacier.” Hammond said this is due to the species’ reliance on the ice-cold, clean water provided by the glacier in late summer and fall, when ” The flow is at the lowest level and cold water input is required”. That’s bad news for local communities, fishermen and tribes, who all depend on salmon for food and livelihoods.
Today, there are eight indigenous tribes on the Olympic Peninsula who rely on salmon populations maintained by glacial meltwater for cultural, subsistence and economic purposes.When Anderson Glacier disappeared ten years ago, the Quinault River and Quinault Indian peoples that depended on it saw very low river level This greatly reduces salmon levels. Rising sea levels – a side effect of retreating glaciers – are now threatening the Quinault village of Taholah, meaning they will have to leave the land they have inhabited for thousands of years to keep their people safe. For a local culture like the Quinault Indian Nation, leaving traditional lands is disastrous. Other tribes on the peninsula, such as the Quats, did not fish in their traditional salmon streams. Ten years Because the operating levels are so low after the glaciers that once fed the river receded or disappeared.
In addition, the Olympic Peninsula is olympic national park Attracts more than 3 million tourists a year, from all over the world, to raft fishing in rivers, ski in the mountains, visit iconic Lavender Festival, and see the natural beauty of the area. According to Riedel, “tourism is likely to weaken due to the disappearance of the iconic glaciers and the loss of glacier skiing and climbing opportunities.” He also stressed that many tourists coming to the glacier-dependent Elwha River for rafting and whitewater kayaking will be affected by the Negative effects of reduced traffic in summer.
A group of tourists riding rangers walks through Olympic National Park. The park attracts millions of visitors each year, fueling a vast tourism industry on the Olympic Peninsula centered on glaciers, forests and natural beauty. Photo credit: Leon Reed
With the looming threat of glaciers disappearing, Hammond stressed the importance of acting now. “The Olympic community should learn to conserve water — fix irrigation systems, grow drought-resistant native plants, and clear water-starved lawns,” he said.
Hammond said that while it may be too late to protect all these glaciers and snowfields, it is not too late to save the species, communities and industries that depend on them. Communities need to take action now on the Olympic Peninsula and elsewhere to adapt and mitigate the hazards of glacial retreat in the coming decades.
