Venzke Glacier
Encyclopedia
Venzke Glacier is a broad glacier
flowing northward between Bowyer Butte
and Perry Range
into Getz Ice Shelf
on the coast of Marie Byrd Land
. The glacier was discovered and photographed from aircraft of the U.S. Antarctic Service in December 1940. It was mapped in detail by United States Geological Survey
(USGS) from surveys and U.S. Navy photographs, 1959-66. It was named by Advisory Committee on Antarctic Names
(US-ACAN) for Captain Norman C. Venzke, USCG, Commanding Officer
of USCGC Northwind in Antarctica, 1972 and 1973, and a participant in several other Deep Freeze
operations as ship's company officer aboard icebreakers.
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...
flowing northward between Bowyer Butte
Bowyer Butte
Bowyer Butte is a steep-cliffed eminence with a nearly flat summit, wide and high, located between the lower ends of the Johnson Glacier and the Venzke Glacier on the coast of Marie Byrd Land. It was discovered and photographed from the air by the U.S. Antarctic Service, 1939–41, and named by...
and Perry Range
Perry Range
Perry Range is a narrow range of mountains, 6 nautical miles long, separating the lower ends of Venzke Glacier and Berry Glacier where they enter Getz Ice Shelf, on the coast of Marie Byrd Land. The range was discovered and photographed from aircraft of the U.S. Antarctic Service in December...
into Getz Ice Shelf
Getz Ice Shelf
Getz Ice Shelf is an Antarctic ice shelf, over 480 km long and from 32 to 96 km wide, bordering the Hobbs and Bakutis Coasts of Marie Byrd Land between McDonald Heights and Martin Peninsula. Several large islands are partially or wholly embedded in the ice shelf.The ice shelf westward of Siple...
on the coast of 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 glacier was discovered and photographed from aircraft of the U.S. Antarctic Service in December 1940. It was mapped in detail by 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,...
(USGS) from surveys and U.S. Navy photographs, 1959-66. It was named by 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...
(US-ACAN) for Captain Norman C. Venzke, USCG, Commanding Officer
Commanding officer
The commanding officer is the officer in command of a military unit. Typically, the commanding officer has ultimate authority over the unit, and is usually given wide latitude to run the unit as he sees fit, within the bounds of military law...
of USCGC Northwind in Antarctica, 1972 and 1973, and a participant in several other Deep Freeze
Deep Freeze
Deep Freeze may refer to:* Operation Deep Freeze, a series of American expeditions to Antarctica beginning in 1955* Deep Freeze Range, a mountain range in Antarctica* Deep Freeze , a protective program...
operations as ship's company officer aboard icebreakers.