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McMurdo Sound experiences katabatic winds from the Antarctic polar plateau. McMurdo Sound freezes over with sea ice about 3 metres (9.8 ft) thick during the winter. During the austral summer when the pack ice breaks up, wind and currents may push the ice northward into the Ross Sea, stirring up cold bottom currents that spill into the ocean basins.
McMurdo Station was the only Antarctic location to hold such a rally. [24] Discovery Hut (1902) at Hut Point Peninsula of Ross Island, Antarctica. McMurdo Station lies in the background during cargo operations of the supply ship MV American Tern of Operation Deep Freeze 2007. Ice diver explores McMurdo Sound , 2017
The British National Antarctic Expedition (1901–04) under Robert Falcon Scott built its Discovery Hut on Hut Point, at the southern headland of the peninsula. Members of the British Antarctic Expedition, 1910–13 (BAE), under Scott, wintering on Cape Evans and often using the hut during their journeys, came to refer to the whole peninsula as the Hut Point Peninsula.
Map showing location of Taylor Valley Taylor Valley in center of west of map, opposite Ross Island. Taylor Valley is one of the McMurdo Dry Valleys.Parts of the area were visited by British expeditions led by Captain Robert Falcon Scott (1901–04 and 1910–13), who referred to Taylor Valley, as well as Beacon Valley and Pyramid Trough (named later), as "dry valleys."
[citation needed] The circumpolar deep water current is a relatively warm, salty and nutrient-rich water mass that flows onto the continental shelf at certain locations. [2] [3] The Ross Sea is covered with ice for most of the year. [citation needed] The nutrient-laden water supports an abundance of plankton and this encourages a rich marine ...
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The harbor has served the few ships able to penetrate McMurdo Sound's 8 to 12 ft (2.4 to 3.7 m) pack ice ever since the Discovery Expedition (1901–04). [ 2 ] Today, two ships assisted by an icebreaker annually arrive at Winter Quarters Bay with fuel and cargo to re-supply the adjacent U.S. McMurdo Station at 77°50′S 166°40′E ...
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