Ahrnsbrak Glacier
Encyclopedia
Ahrnsbrak Glacier is a glacier
in the Enterprise Hills
of the Heritage Range
, flowing north between Sutton Peak
and Shoemaker Peak
to the confluent ice at the lower end of Union Glacier
. It was mapped by the United States Geological Survey
from surveys and U.S. Navy air photos, 1961–66, and was named by the Advisory Committee on Antarctic Names
for William F. Ahrnsbrak of the United States Antarctic Research Program, a glaciologist at Palmer Station
in 1965.
Glacier
A glacier is a large persistent body of ice that forms where the accumulation of snow exceeds its ablation over many years, often centuries. At least 0.1 km² in area and 50 m thick, but often much larger, a glacier slowly deforms and flows due to stresses induced by its weight...
in the Enterprise Hills
Enterprise Hills
Enterprise Hills is a prominent group of largely ice-free hills and peaks in the form of an arc. The feature extends for about 30 nautical miles to form the north and northeast boundary of Horseshoe Valley in the Heritage Range, Ellsworth Mountains. Enterprise Hills were mapped by United States...
of the Heritage Range
Heritage Range
The Heritage Range is a major mountain range, long and wide, situated southward of Minnesota Glacier and forming the southern half of the Ellsworth Mountains in Antarctica...
, flowing north between Sutton Peak
Sutton Peak (Antarctica)
Sutton Peak is a sharp peak, high, on the ridge separating Henderson Glacier and Ahrnsbrak Glacier in the Enterprise Hills, Heritage Range. It was mapped by the United States Geological Survey from surveys and from U.S. Navy air photos, 1961–66, and named by the Advisory Committee on Antarctic...
and Shoemaker Peak
Shoemaker Peak
Shoemaker Peak is a peak on the east side of Ahrnsbrak Glacier, 3 miles east-southeast of Sutton Peak in the Enterprise Hills, Heritage Range. Mapped by United States Geological Survey from surveys and U.S. Navy air photos, 1961-66. Named by Advisory Committee on Antarctic Names for Dawaine A...
to the confluent ice at the lower end of Union Glacier
Union Glacier
Union Glacier , is a large, heavily-crevassed glacier which receives the flow of several tributaries and drains through the middle of the Heritage Range, Ellsworth Mountains, Antarctica. The glacier drains from the plateau at Edson Hills on the west side of the range and flows east between Pioneer...
. It was mapped by the United States Geological Survey
United States Geological Survey
The United States Geological Survey is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, and the natural hazards that threaten it. The organization has four major science disciplines, concerning biology,...
from surveys and U.S. Navy air photos, 1961–66, and was named by the Advisory Committee on Antarctic Names
Advisory Committee on Antarctic Names
The Advisory Committee on Antarctic Names is an advisory committee of the United States Board on Geographic Names responsible for recommending names for features in Antarctica...
for William F. Ahrnsbrak of the United States Antarctic Research Program, a glaciologist at Palmer Station
Palmer Station
Palmer Station, on Anvers Island, is Antarctica's only US station north of the Antarctic Circle. Initial construction of the station finished in 1968. The station, like the other US Antarctic stations, is operated by the United States Antarctic Program....
in 1965.