Dana Glacier (California)
Dana Glacier is a small glacier located in Yosemite National Park, California, in the Sierra Nevada mountain range. Situated on the northeast flank of Mount Dana, one of Yosemite's highest peaks, it is considered one of the southernmost glaciers in North America.
The glacier has significantly retreated in recent decades due to climate change. Measurements and observations indicate a substantial reduction in its size and thickness. Its shrinking size contributes to reduced meltwater flow into the surrounding alpine ecosystem.
Dana Glacier is primarily composed of firn ice, the transitional stage between snow and glacial ice. Its relatively high altitude and exposure to the prevailing winds contribute to its accumulation of snow, though not enough to offset the melting that occurs during warmer months.
The glacier is accessible to hikers and climbers via various trails in the vicinity of Mount Dana. Its location within Yosemite National Park makes it a popular destination for those interested in glaciology, geology, and the effects of climate change on alpine environments. Monitoring efforts are ongoing to track the glacier's continued recession and its impact on the local hydrology and ecology. The future of Dana Glacier is uncertain, with projections indicating potential disappearance within the coming decades if current warming trends persist.