Siemiatkowski Glacier
Encyclopedia
Siemiatkowski Glacier is a glacier
about 25 miles (40 km) long, flowing northwest to Nickerson Ice Shelf
on the coast of Marie Byrd Land
. Mapped from surveys by the United States Geological Survey
(USGS) and U.S. Navy air photos (1959-65). Named by Advisory Committee on Antarctic Names
(US-ACAN) for Edmond R. Siemiatkowski, auroral physicist at Byrd Station
, 1964.
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...
about 25 miles (40 km) long, flowing northwest to Nickerson Ice Shelf
Nickerson Ice Shelf
Nickerson Ice Shelf , is an ice shelf about 35 miles wide, lying north of Siemiatkowski Glacier and the western part of Ruppert Coast, Marie Byrd Land, Antarctica. First observed and roughly mapped by the Byrd Antarctic Expedition . Named by Advisory Committee on Antarctic Names for Commander...
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...
. Mapped from surveys 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,...
(USGS) and U.S. Navy air photos (1959-65). 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 Edmond R. Siemiatkowski, auroral physicist at Byrd Station
Byrd Station
Byrd Station refers to a research station established by the United States during the International Geophysical Year by the U.S. Navy during Operation Deep Freeze II in West Antarctica at 80°, 120°W...
, 1964.