Astrolabe Subglacial Basin [SEP] continent
Astrolabe Subglacial Basin
Astrolabe Subglacial Basin is a subglacial basin to the south of the Adélie Coast and east of Porpoise Subglacial Highlands, trending north-south and containing the thickest ice — about — measured in Antarctica. The basin was delineated by the SPRI-NSF-TUD airborne radio echo sounding program, 1967–79, and named after the "Astrolabe", the flagship of the French Antarctic Expedition, 1837–40, under Captain Jules Dumont d'Urville.
Porpoise Subglacial Highlands
Porpoise Subglacial Highlands () is a group of subglacial highlands to the west of Astrolabe Subglacial Basin, in the east part of Wilkes Land. The feature was delineated by the Scott Polar Research Institute (SPRI)-National Science Foundation (NSF)-Technical University of Denmark (TUD) airborne radio echo sounding program, 1967–79, and named after the Porpoise (Lieutenant C. Ringgold, USN), one of the ships of the United States Exploring Expedition, 1838-42 (Lieutenant Charles Wilkes, USN).