Robertson Buttress
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Robertson Buttress
Robertson Buttress () is the westernmost (1040 m) in a series of large rock buttresses on the south side of Darwin Glacier between Alley Glacier and Gaussiran Glacier. It was named by the Advisory Committee on Antarctic Names (US-ACAN) after William Gray Robertson, Jr. of ASA, a specialist in the design and installation of communication systems for United States Antarctic Program (USAP) in the McMurdo Sound and McMurdo Dry Valleys The McMurdo Dry Valleys are a row of largely Antarctic oasis, snow-free valleys in Antarctica, located within Victoria Land west of McMurdo Sound. The Dry Valleys experience extremely low humidity and surrounding mountains prevent the flow of ... areas from 1990 to 2000. Rock formations of Oates Land {{OatesLand-geo-stub ...
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Darwin Glacier (Antarctica)
The Darwin Glacier () is a large glacier in Antarctica. It flows from the polar plateau eastward between the Darwin Mountains and the Cook Mountains to the Ross Ice Shelf. The Darwin and its major tributary the Hatherton are often treated as one system, the Darwin–Hatherton. Early exploration and naming The lower part of the glacier was mapped by the British National Antarctic Expedition, 1901–04 (BrNAE), and the whole area traversed by New Zealand parties of the Commonwealth Trans-Antarctic Expedition (1956–58). The glacier was named in association with the Darwin Mountains. Glaciology The Darwin Glacier flows relatively slowly compared to other glaciers in the Transantarctic Mountains, at less than per year. There are small scale fluctuations due to daily tidal cycles downstream from its grounding line. During the Last Glacial Maximum (LGM) the Antarctic ice sheet expanded, forming grounded ice in the Ross Sea. This would cause the ice streams flowing into the Ross ...
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Alley Glacier
The Darwin Glacier () is a large glacier in Antarctica. It flows from the polar plateau eastward between the Darwin Mountains and the Cook Mountains to the Ross Ice Shelf. The Darwin and its major tributary the Hatherton are often treated as one system, the Darwin–Hatherton. Early exploration and naming The lower part of the glacier was mapped by the British National Antarctic Expedition, 1901–04 (BrNAE), and the whole area traversed by New Zealand parties of the Commonwealth Trans-Antarctic Expedition (1956–58). The glacier was named in association with the Darwin Mountains. Glaciology The Darwin Glacier flows relatively slowly compared to other glaciers in the Transantarctic Mountains, at less than per year. There are small scale fluctuations due to daily tidal cycles downstream from its grounding line. During the Last Glacial Maximum (LGM) the Antarctic ice sheet expanded, forming grounded ice in the Ross Sea. This would cause the ice streams flowing into the Ross ...
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