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Glacier Bay National Park and Preserve is an national park of the United States 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 ...
Ice calving, also known as glacier calving or iceberg calving, is the breaking of ice chunks from the edge of a glacier. [1] It is a form of ice ablation or ice disruption. It is the sudden release and breaking away of a mass of ice from a glacier, iceberg, ice front, ice shelf, or crevasse. The ice that breaks away can be classified as an ...
Glacier Bay Basin in southeastern Alaska, in the United States, encompasses the Glacier Bay and surrounding mountains and glaciers, which was first proclaimed a U.S. National Monument on February 25, 1925, and which was later, on December 2, 1980, enlarged and designated as the Glacier Bay National Park and Preserve under the Alaska National Interest Lands Conservation Act, covering an area of ...
Muir Inlet. Coordinates: 58°52′04.1″N 136°05′18.3″W. Muir Inlet schematic map. Muir Inlet is an inlet in Glacier Bay in Alaska in the United States. Muir Inlet heads in Muir Glacier, and extends for 48 kilometers (30 mi) [1] south to Glacier Bay, 51 miles (82 km) northwest of Hoonah, Alaska. [2] Muir Inlet is separated from Chilkat ...
Outwash plain. An outwash plain, also called a sandur (plural: sandurs[1]), sandr[2] or sandar, [3] is a plain formed of glaciofluvial deposits due to meltwater outwash at the terminus of a glacier. As it flows, the glacier grinds the underlying rock surface and carries the debris along. The meltwater at the snout of the glacier deposits its ...
Cenotaph Island in Lituya Bay. The smaller Cascade and Crillon glaciers and the larger Lituya Glacier all spill into Lituya Bay, which is a part of Glacier Bay National Park and Preserve. Cenotaph Island is located roughly in the middle of the bay. The entrance of the bay is approximately 500 m (0.31 mi) wide, with a narrow navigable channel. [3]
Cordilleran Ice Sheet. Southern edge of the ice sheet. It extended north along the Pacific coast and covered the Alaska Peninsula. The Cordilleran ice sheet was a major ice sheet that periodically covered large parts of North America during glacial periods over the last ~2.6 million years.
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 miles (122 km) northwest of Hoonah.