Ross Sea
Ross Sea
Ross′ Sea′
n.
| Noun | 1. |  Ross Sea - an arm of the southern Pacific Ocean in Antarctica |
| 单词 | ross sea | |||
| 释义 | Ross SeaRoss SeaRoss′ Sea′n.
Ross SeaRoss Sea,arm of the Pacific Ocean, AntarcticaAntarctica, the fifth largest continent, c.5,500,000 sq mi (14,245,000 sq km), asymmetrically centered on the South Pole and almost entirely within the Antarctic Circle. Geology and Geography Antarctica consists of two major regions: W Antarctica (c. ..... Click the link for more information. , between Victoria Land and Marie Byrd Land. It was discovered in 1841 by Sir James Clark RossRoss, Sir James Clark, 1800–1862, British polar explorer and rear admiral. In 1818 he accompanied his uncle, Sir John Ross, in search of the Northwest Passage and commanded the Erebus. ..... Click the link for more information. , a British explorer. Ross IslandRoss Island, in the Ross Sea, Antarctica, on the edge of the Ross Ice Shelf. Part of the Ross Dependency, the island is separated from Victoria Land by McMurdo Sound. Mt. Erebus, an active volcano, and Mt. Terror are on the island. ..... Click the link for more information. with Mt. Erebus, an active volcano, is in the western part of the sea; Roosevelt Island is in the east. The Ross Sea's southern extension is the Ross Ice Shelf, a great frozen area whose 400-mi (644-km) seaward side is the source of huge icebergs. The Bay of Whales, the ice shelf's best known inlet, lasted for c.50 years and was the site of Norwegian explorer Roald AmundsenAmundsen, Roald (Roald Engelbregt Grauning Amundsen) , 1872–1928, Norwegian polar explorer; the first person to reach the South Pole. He served (1897–99) as first mate on the Belgica ..... Click the link for more information. 's base for his trek to the South Pole in 1911; Little America, a U.S. base, was located nearby. McMurdo Sound, on the western side of Ross Sea, is usually free of pack ice in late summer; it has been the most important staging point for exploration and scientific investigation. Ross Seaa southern extension of the Pacific Ocean off Antarctica, between Cape Adare (71 ° 17’S lat., 170° 18’ E long.) and Cape Colbeck (77°07’ S lat., 158° 15’ W long.). Area, 435,000 sq km; if the extensive waters under the Ross Ice Shelf are included, approximately 960,000 sq km. Depths range to 700 m. The coastline is hilly and extremely irregular. The sea is covered for most of the year by drifting ice, which thins out only late in the summer. There are many icebergs. The average temperature of the water during the course of the year is below - 1°C; in the summer the temperature sometimes reaches 2°C. Salinity is 33.75–34.4 parts per thousand. Currents are clockwise. Tides are semidiurnal, with variations in sea level up to 1 m. Marine life includes the Ross seal, Weddell seal, crab-eater seal, and whale. The sea was discovered by J. C. Ross in 1841. In 1956, the main base of the U. S. antarctic expedition, McMurdo, was set up on Ross Peninsula; in 1957, New Zealand’s Scott Base was also set up there, and the Hallett science station, operated jointly by the U. S. and New Zealand, was set up on Cape Hallett. Ross Sea[′rȯs ′sē]Ross SeaRoss Sea
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