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Closer view of the glacier in the winter A glacier cave under Mendenhall Glacier. 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]
Apart from Alaska, around 1330 glaciers, 1175 perennial snow fields, and 35 buried-ice features have been identified. [ 2 ] [ 3 ] This is a dynamic list and may never be able to satisfy particular standards for completeness.
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.
Ice caves offer dazzling places to explore, but climate change is taking a toll. Here are some of the most jaw-dropping ice caves, past and present, from around the world.
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]
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 ...
The ice formations in the cave were formed by thawing snow which drained into the cave and froze during winter. [4] Since the entrance to the caves is open year-round, chilly winter winds blow into the cave and freeze the snow inside. In summer, a cold wind from inside the cave blows toward the entrance and prevents the formations from melting.
Strong winds tend to push ice higher and higher as ice piles build to five, ten, even 20 feet or more. Waves then carve out spectacular crevices and the freezing spray creates icicle-like formations.