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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]
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.
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.
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 ...
Typical County Fermanagh stream passage in Marble Arch Caves. At 11.5 km (7.1 mi), the system is the longest in Northern Ireland and second longest in Ireland. The deepest cave in Ireland is Reyfad Pot in County Fermanagh , Northern Ireland, 193 metres (633 ft) deep.
The Mendenhall is about six miles (9 kilometers) long, one mile (1.6 km) of which is whitewater. The most favorable months in which to raft on the river is May through September. The most active points along the whitewater section are Scott's Iatola (or Iatolla ) Hola , Tourist Trap , and Pinball Alley .
Mendenhall Observatory, Stillwater, Oklahoma, USA; Mendenhall Order, a decision to change the system of weights and measures to the metric system; Mendenhall Homeplace, a historic 1811 Quaker Homeplace in Jamestown, North Carolina, USA; United States v. Mendenhall, a 1980 decision of the United States Supreme Court
Marine Isotope Stage (MIS) 5e, called the Eemian (Ipswichian in Britain) around 124,000–119,000 years ago, was the last interglacial period before the present (Holocene), and compared global mean surface temperatures were at least 2 °C (3.6 °F) warmer.