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Glacier Bay National Park and Preserve is an American national park located in Southeast Alaska west of Juneau. President Calvin Coolidge proclaimed the area around Glacier Bay a national monument under the Antiquities Act on February 26, 1925. [ 4] Subsequent to an expansion of the monument by President Jimmy Carter in 1978, the Alaska ...
Thwaites Glacier is an unusually broad and vast Antarctic glacier located east of Mount Murphy, on the Walgreen Coast of Marie Byrd Land. It was initially sighted by polar researchers in 1940, mapped in 1959–1966 and officially named in 1967, after the late American glaciologist Fredrik T. Thwaites. [ 1][ 3] The glacier flows into Pine Island ...
Glacier Bay, on the Gulf of Alaska, was known as the Grand Pacific Glacier, about 4,000 feet (1,200 m) thick and around 20 miles (32 km) in width. Over the last 200 years the glaciers have retreated, exposing 65 miles (105 km) of ocean, and in this process left 20 separate other glaciers in its trail.
Muir Glacier is a glacier in Glacier Bay National Park and Preserve in the U.S. state of Alaska. It is currently about 0.7 km (0.43 mi) wide at the terminus. As recently as the mid-1980s the glacier was a tidewater glacier and calved icebergs from a wall of ice 90 m (200 feet) tall. [ 1] The glacier is named after Scottish-born naturalist John ...
Johns Hopkins Glacier (Lingít: Tsalxaan Niyaadé Sít’) is a 12-mile (19 km) long glacier located in Glacier Bay National Park and Preserve in the U.S. state of Alaska.It begins on the east slopes of Lituya Mountain and Mount Salisbury, and trends east to the head of Johns Hopkins Inlet, 1 mile (1.6 km) southwest of the terminus of Clark Glacier on Mount Abbe, and 79 miles (127 km ...
The glacier is close to sealing off Russell Fjord at top from Disenchantment Bay at bottom. The longest source for Hubbard Glacier originates 122 kilometres (76 mi) from its snout and is located at about 61°00′N 140°09′W / 61.000°N 140.150°W / 61.000; -140.150 , approximately 8 kilometres (5 mi) west of Mount Walsh with an ...
Lamplugh Glacier. Coordinates: 58°49′56″N 136°53′43″W. The terminus of Lamplugh Glacier in 2017. Lamplugh Glacier is an 8-mile-long (13 km) glacier located in Glacier Bay National Park and Preserve in the U.S. state of Alaska. It leads north to its 1961 terminus in Johns Hopkins Inlet, 1.4 miles (2.3 km) west of Ptarmigan Creek and 76 ...
The glacier retreated 1.9 kilometres (1.2 mi) in 33 years. The retreat of glaciers since 1850 is well documented and is one of the effects of climate change. The retreat of mountain glaciers provide evidence for the rise in global temperatures since the late 19th century. Examples include mountain glaciers in western North America, Asia, the ...