Peacock Subglacial Trench

Peacock Subglacial Trench () is a subglacial trench that forms a north–south extension of

Aurora Subglacial Basin Aurora Subglacial Basin is a large subglacial basin of Wilkes Land to the west of Dome Charlie and trending northwest toward the coast in the vicinity of Shackleton Ice Shelf. The basin was delineated by the SPRI- NSF- TUD airborne radio echo s ...

Wilkes Land Wilkes Land is a large district of land in eastern Antarctica, formally claimed by Australia as part of the Australian Antarctic Territory, though this claim has been held in abeyance for the period of the operation of the Antarctic Treaty, to wh ...

. The trench lies south of

Dome C Dome C , also known as dôme Circe, Dome Charlie (US) or dôme Concordia, is located at Antarctica at an elevation of above sea level, on one of several Glacier morphology#Ice sheets, domes of the Antarctic Ice Sheet. Location dome C is on the A ...

and west of Belgica Subglacial Mountains. The feature was delineated by the

Scott Polar Research Institute The Scott Polar Research Institute (SPRI) is a centre for research into the polar regions and glaciology worldwide. It is a sub-department of the Department of Geography in the University of Cambridge, located on Lensfield Road in the south ...

(SPRI)-

National Science Foundation The U.S. National Science Foundation (NSF) is an Independent agencies of the United States government#Examples of independent agencies, independent agency of the Federal government of the United States, United States federal government that su ...

(NSF)-

Technical University of Denmark The Technical University of Denmark (), often simply referred to as DTU, is a polytechnic university and school of engineering. It was founded in 1829 at the initiative of Hans Christian Ørsted as Denmark's first polytechnic, and it is today ran ...

(TUD) airborne radio echo sounding program, 1967–79, and named after the Peacock (Lieutenant

William L. Hudson Captain William Levereth Hudson, USN (11 May 1794 – 15 October 1862) was a United States Navy officer in the first half of the 19th century. Career Hudson was born 11 May 1794 in Brooklyn. His first service afloat was in the Mediterranean Squa ...

, USN) one of the ships of the

United States Exploring Expedition The United States Exploring Expedition of 1838–1842 was an exploring and surveying expedition of the Pacific Ocean and surrounding lands conducted by the United States. The original appointed commanding officer was Commodore Thomas ap Catesby ...

, 1838-42 (Lieutenant

Charles Wilkes Charles Wilkes (April 3, 1798 – February 8, 1877) was an American naval officer, ship's captain, and List of explorers, explorer. He led the United States Exploring Expedition (1838–1842). During the American Civil War between 1861 and 1865 ...

, USN). Valleys of Antarctica Landforms of Wilkes Land {{WilkesLand-geo-stub