Rivard Glacier
Encyclopedia
Rivard Glacier is a glacier
about 1 nautical miles (1.9 km) long at the head of Marshall Valley
in Victoria Land
. The glacier was observed and mapped by Troy L. Pewe, glacial geologist with U.S. Navy Operation Deepfreeze, 1957-58. Named by Pewe for Norman Rivard who was his assistant on this expedition.
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 1 nautical miles (1.9 km) long at the head of Marshall Valley
Marshall Valley
Marshall Valley is a small valley, which is ice free except for Rivard Glacier at its head, lying between the Garwood and Miers Valleys on the coast of Victoria Land. Named by the New Zealand Blue Glacier Party for Dr. Eric Marshall, surgeon and cartographer of the British Antarctic Expedition ,...
in Victoria Land
Victoria Land
Victoria Land is a region of Antarctica bounded on the east by the Ross Ice Shelf and the Ross Sea and on the west by Oates Land and Wilkes Land. It was discovered by Captain James Clark Ross in January 1841 and named after the UK's Queen Victoria...
. The glacier was observed and mapped by Troy L. Pewe, glacial geologist with U.S. Navy Operation Deepfreeze, 1957-58. Named by Pewe for Norman Rivard who was his assistant on this expedition.