Dargomyzhsky Glacier

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Dargomyzhsky Glacier ( 71°50′S70°50′W / 71.833°S 70.833°W / -71.833; -70.833 Coordinates: 71°50′S70°50′W / 71.833°S 70.833°W / -71.833; -70.833 ) is an outlet glacier flowing west from Duffy Peak, in the central portion of the Staccato Peaks, central Alexander Island, Antarctica. The glacier extends across the central portion of Alexander Island and flows into the Bach Ice Shelf. The glacier was probably first photographed by Lincoln Ellsworth on November 23, 1935, and mapped from these photographs by W.L.G. Jeorg. This feature was named by the USSR Academy of Sciences in 1987 after Alexander Dargomyzhsky (1813–1869), Russian composer. [1]

Geographic coordinate system Coordinate system

A geographic coordinate system is a coordinate system that enables every location on Earth to be specified by a set of numbers, letters or symbols. The coordinates are often chosen such that one of the numbers represents a vertical position and two or three of the numbers represent a horizontal position; alternatively, a geographic position may be expressed in a combined three-dimensional Cartesian vector. A common choice of coordinates is latitude, longitude and elevation. To specify a location on a plane requires a map projection.

Glacier Persistent body of ice that is moving under its own weight

A glacier is a persistent body of dense ice that is constantly moving under its own weight; it forms where the accumulation of snow exceeds its ablation over many years, often centuries. Glaciers slowly deform and flow due to stresses induced by their weight, creating crevasses, seracs, and other distinguishing features. They also abrade rock and debris from their substrate to create landforms such as cirques and moraines. Glaciers form only on land and are distinct from the much thinner sea ice and lake ice that form on the surface of bodies of water.

Duffy Peak is a peak southeast of Hageman Peak in the Staccato Peaks, southwest Alexander Island, Antarctica. Dargomyzhsky glacier extends and flows west from the base of Duffy Peak and enters the nearby Bach Ice Shelf. The peak was photographed from the air by Lincoln Ellsworth in 1935, and was named by the Advisory Committee on Antarctic Names for Lieutenant Commander Joseph A. Duffy, a U.S. Navy aircraft pilot in Squadron VXE-6 during Operation Deep Freeze, 1969 and 1970.

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