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Mendenhall Glacier (Tlingit: Áakʼw Tʼáak Sítʼ) is a glacier about 13.6 miles (21.9 km) long located in Mendenhall Valley, about 12 miles (19 km) from downtown Juneau in the southeast area of the U.S. state of Alaska. [2]
The Mendenhall River in Juneau reached record levels over the weekend after a glacial-dammed lake outburst in Suicide Basin. Glacial flooding damages structures in Alaska's capital Skip to main ...
Formed by the creek from the Nugget Glacier, the waterfall drops 377 feet (115 m) in two tiers of 99 feet (30 m) and 278 feet (85 m) onto a sandbar in Mendenhall Lake, which is the freshwater pool at the face of the Mendenhall Glacier. The lake then drains via Mendenhall River into the Inside Passage. [1]
Mendenhall Valley, Juneau, Alaska. A Capital Transit System bus approaching the Mendenhall River bridge on Mendenhall Loop Road in December 2012. This bridge marks the farthest crossing upriver. The Mendenhall Valley (colloquially The Valley) [Lingít: Áakʼw Táak] is the drainage area of the Mendenhall River in the U.S. state of Alaska.
Minor flood stage for the Mendenhall River is 12 feet (3.7 m), and a level of 14 feet (4.3 m) is more likely to cause extensive problems. If the Mendenhall is at minor flood stage, however, it is likely that areas such as Montana Creek, Jordan Creek, and the Mendenhall Lake are also experiencing flooding at that time.
Mendenhall Lake is a proglacial lake in the Mendenhall Valley at the 1962 terminus of Mendenhall Glacier, three miles (4.8 km) north of the Juneau Airport in the Coast Mountains. It is the source of the short Mendenhall River. [1] The lake is included in the Mendenhall Glacier Recreation Area of the Tongass National Forest. [2]
McGinnis Mountain, also known as Mount McGinnis, is a 4,232-foot (1,290 m) mountain summit located in the Boundary Ranges, in the U.S. state of Alaska. [4] The peak is situated near the toe of the Mendenhall Glacier, within Tongass National Forest, 11 mi (18 km) north-northwest of Juneau, Alaska, and 6 mi (10 km) north of Juneau International Airport.
A 1992 to 1998 observation of the Chacaltaya Glacier in Bolivia and Antizana Glacier in Ecuador indicate that between 0.6 m (2.0 ft) and 1.9 m (6.2 ft) of ice was lost per year on each glacier. Figures for Chacaltaya show a loss of 67% of its volume and 40% of its thickness over the same period.