Bjornert Cliffs
Encyclopedia
Björnert Cliffs are a series of ice-covered cliffs which face seaward along the northern side of McDonald Heights
, Marie Byrd Land
. The cliffs stand between Hanessian Foreland
and Hagey Ridge
and descend abruptly from about 800 metres (2,624.7 ft), the average summit elevation, to 400 metres (1,312.3 ft) at the base. The feature was photographed from aircraft of the U.S. Antarctic Service, 1939–41, and was mapped by the United States Geological Survey
from surveys and from U.S. Navy air photos, 1959–66. They were named by the Advisory Committee on Antarctic Names
(1974) for Rolf P. Björnert of the Office of Polar Programs, National Science Foundation
, who served in the capacity of Station Projects Manager for Antarctica.
McDonald Heights
McDonald Heights is a broad, mainly snow-covered heights about 35 nautical miles long and rising over 1,000 m between Cape Burks and Morris Head on the coast of Marie Byrd Land. The heights are bounded southward by the Hull, Kirkpatrick and Johnson Glaciers. The feature was photographed from...
, Marie Byrd Land
Marie Byrd Land
Marie Byrd Land is the portion of West Antarctica lying east of the Ross Ice Shelf and the Ross Sea and south of the Pacific Ocean, extending eastward approximately to a line between the head of the Ross Ice Shelf and Eights Coast. It stretches between 158°W and 103°24'W...
. The cliffs stand between Hanessian Foreland
Hanessian Foreland
Hanessian Foreland is a relatively low, snow-covered foreland or peninsula, over 20 nautical miles long and 10 nautical miles wide, on the coast of Marie Byrd Land. It extends seaward between Siniff Bay and the western end of Getz Ice Shelf Mapped by United States Geological Survey from surveys...
and Hagey Ridge
Hagey Ridge
Hagey Ridge is a high snow-covered ridge, between Bjornert Cliffs and Johnson Glacier, forming the east end of McDonald Heights on the coast of Marie Byrd Land. The ridge was first photographed from aircraft of the U.S. Antarctic Service in December 1940. It was mapped by United States Geological...
and descend abruptly from about 800 metres (2,624.7 ft), the average summit elevation, to 400 metres (1,312.3 ft) at the base. The feature was photographed from aircraft of the U.S. Antarctic Service, 1939–41, and 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 from U.S. Navy air photos, 1959–66. They were 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...
(1974) for Rolf P. Björnert of the Office of Polar Programs, National Science Foundation
National Science Foundation
The National Science Foundation is a United States government agency that supports fundamental research and education in all the non-medical fields of science and engineering. Its medical counterpart is the National Institutes of Health...
, who served in the capacity of Station Projects Manager for Antarctica.