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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]
Caves by type. Subcategories. This category has the following 5 subcategories, out of 5 total. I. Ice caves (25 P) K. Karst caves (5 C, 30 P) L. Lava caves (1 C, 7 P) R.
An ice cave is any type of natural cave (most commonly lava tubes or limestone caves) that contains significant amounts of perennial (year-round) ice. At least a portion of the cave must have a temperature below 0 °C (32 °F) all year round, and water must have traveled into the cave’s cold zone.
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.
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.
A cave survey is a map of all or part of a cave system, which may be produced to meet differing standards of accuracy depending on the cave conditions and equipment available underground. Cave surveying and cartography , i.e. the creation of an accurate, detailed map, is one of the most common technical activities undertaken within a cave and ...
The roof of the cave is about 10 metres high at the highest point, and the tunnels are around 15m broad at their greatest width. [12] The floor of the lowest and westernmost part of the cave, called Íshellir ("Ice Cave"), is covered in a perpetual sheeting of ice and large ice speleothems are common within the cave. [4]
Ice caves are caves which contain significant amounts of year-round ice. Pages in category "Ice caves" The following 25 pages are in this category, out of 25 total. ...