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Amundsen Glacier
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Amundsen Glacier
The Amundsen Glacier (85°35′S 159°00′W / 85.583°S 159.000°W) is a major Antarctic glacier, about 7 to 11 km (4 to 6 nmi) wide and 150 km (80 nmi) long. It originates on the Antarctic Plateau where it drains the area to the south and west of Nilsen Plateau, then descends through the Queen Maud Mountains to enter the Ross Ice Shelf just west of the MacDonald Nunataks.
The Amundsen Glacier was discovered by Richard E. Byrd on the South Pole flight in November 1929. The name was proposed for Roald Amundsen by Laurence Gould, leader of the Byrd Antarctic Expedition (Byrd AE) geological party which sledged past the mouth of the glacier in December 1929.
According to Sailing Directions for Antarctica (1960), "Lying eastward of the Bowman Glacier is the Amundsen Glacier, the northern portal of which is in 85°30' S., 159°00' W. It is about 6 miles wide and trends southward about 60 miles to the polar plateau. Mount Helmer Hanssen, about 10,742 feet high, is a rounded dome, completely snow-covered, standing conspicuously above the westem wall. A tributary glacier, about 5 miles wide, enters the Amundsen Glacier on the northern side of the Mount Helmer Hanssen massif. The Amundsen Glacier has not been traversed. "
The Amundsen Glacier rises on the polar plateau to the west of the Rawson Mountains. It flows northwest to the Nødtvedt Nunataks, which it passes on both sides, and is fed by the Norway Glacier from the left (west) south of Mount Hassel, where it wheels to the north and then northeast, fed by Devils Glacier from the left, by the Epler Glacier from the right and then by the Christy Glacier from the left. The tributary Blackwall Glacier flows northwest along the northeast side of Hansen Spur to join Amundsen Glacier. It flows north through past Beck Peak and the Breyer Mesa. Continuing north it is joined by the Tate Glacier, Moffett Glacier and Whitney Glacier from the left, and by the Cappellari Glacier to the right. As it enters the Ross Ice Shelf between Witalis Peak and the MacDonald Nunataks it converges with the Bowman Glacier on the left and the Goodale Glacier on the right.
Left (west) tributaries from south to north are:
86°30′S 164°00′W / 86.500°S 164.000°W A tributary glacier about 10 nautical miles (19 km; 12 mi) long, descending the polar plateau just west of Mount Prestrud, and flowing northeast to enter Amundsen Glacier between Mount Bjaaland and Mount Hassel. Named by the Advisory Committee on Antarctic Names (US-ACAN) in association with the many features named in this area for members of Amundsen's Norwegian expedition of 1910-12.
86°23′S 165°00′W / 86.383°S 165.000°W. A heavily crevassed glacier at the edge of the polar plateau, about 20 nautical miles (37 km; 23 mi) long and 8 nautical miles (15 km; 9.2 mi) wide, draining the south part of the Mohn Basin and flowing northeast to enter the upper part of Amundsen Glacier just north of the mountain group consisting of Mount Wisting, Mount Hassel, Mount Bjaaland and Mount Prestrud. The glacier was encountered by Roald Amundsen's South Pole Party in 1911 and was named by them to describe the extremely rough sledging in the area. Amundsen's route southward, between 168° and 169°W, took the party across the upper or western portion of the glacier.
86°06′S 161°30′W / 86.100°S 161.500°W. A steep tributary glacier draining southeast along the southwest side of Breyer Mesa to enter Amundsen Glacier. Mapped by United States Geological Survey (USGS) from surveys and United States Navy air photos, 1960-64. Named by US-ACAN for Clarence C. Christy, maintenance shop supervisor at Williams Field, McMurdo Sound, on USN OpDFrz 1967.
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Amundsen Glacier
The Amundsen Glacier (85°35′S 159°00′W / 85.583°S 159.000°W) is a major Antarctic glacier, about 7 to 11 km (4 to 6 nmi) wide and 150 km (80 nmi) long. It originates on the Antarctic Plateau where it drains the area to the south and west of Nilsen Plateau, then descends through the Queen Maud Mountains to enter the Ross Ice Shelf just west of the MacDonald Nunataks.
The Amundsen Glacier was discovered by Richard E. Byrd on the South Pole flight in November 1929. The name was proposed for Roald Amundsen by Laurence Gould, leader of the Byrd Antarctic Expedition (Byrd AE) geological party which sledged past the mouth of the glacier in December 1929.
According to Sailing Directions for Antarctica (1960), "Lying eastward of the Bowman Glacier is the Amundsen Glacier, the northern portal of which is in 85°30' S., 159°00' W. It is about 6 miles wide and trends southward about 60 miles to the polar plateau. Mount Helmer Hanssen, about 10,742 feet high, is a rounded dome, completely snow-covered, standing conspicuously above the westem wall. A tributary glacier, about 5 miles wide, enters the Amundsen Glacier on the northern side of the Mount Helmer Hanssen massif. The Amundsen Glacier has not been traversed. "
The Amundsen Glacier rises on the polar plateau to the west of the Rawson Mountains. It flows northwest to the Nødtvedt Nunataks, which it passes on both sides, and is fed by the Norway Glacier from the left (west) south of Mount Hassel, where it wheels to the north and then northeast, fed by Devils Glacier from the left, by the Epler Glacier from the right and then by the Christy Glacier from the left. The tributary Blackwall Glacier flows northwest along the northeast side of Hansen Spur to join Amundsen Glacier. It flows north through past Beck Peak and the Breyer Mesa. Continuing north it is joined by the Tate Glacier, Moffett Glacier and Whitney Glacier from the left, and by the Cappellari Glacier to the right. As it enters the Ross Ice Shelf between Witalis Peak and the MacDonald Nunataks it converges with the Bowman Glacier on the left and the Goodale Glacier on the right.
Left (west) tributaries from south to north are:
86°30′S 164°00′W / 86.500°S 164.000°W A tributary glacier about 10 nautical miles (19 km; 12 mi) long, descending the polar plateau just west of Mount Prestrud, and flowing northeast to enter Amundsen Glacier between Mount Bjaaland and Mount Hassel. Named by the Advisory Committee on Antarctic Names (US-ACAN) in association with the many features named in this area for members of Amundsen's Norwegian expedition of 1910-12.
86°23′S 165°00′W / 86.383°S 165.000°W. A heavily crevassed glacier at the edge of the polar plateau, about 20 nautical miles (37 km; 23 mi) long and 8 nautical miles (15 km; 9.2 mi) wide, draining the south part of the Mohn Basin and flowing northeast to enter the upper part of Amundsen Glacier just north of the mountain group consisting of Mount Wisting, Mount Hassel, Mount Bjaaland and Mount Prestrud. The glacier was encountered by Roald Amundsen's South Pole Party in 1911 and was named by them to describe the extremely rough sledging in the area. Amundsen's route southward, between 168° and 169°W, took the party across the upper or western portion of the glacier.
86°06′S 161°30′W / 86.100°S 161.500°W. A steep tributary glacier draining southeast along the southwest side of Breyer Mesa to enter Amundsen Glacier. Mapped by United States Geological Survey (USGS) from surveys and United States Navy air photos, 1960-64. Named by US-ACAN for Clarence C. Christy, maintenance shop supervisor at Williams Field, McMurdo Sound, on USN OpDFrz 1967.