Ross Ice Shelf

A vast area in Antarctica bordering on the Ross Sea, an arm of the southern Pacific Ocean. In the western part of the sea is Ross Island, site of the active volcano Mount Erebus.

Ross Ice Shelf

n (Placename) the ice shelf forming the S part of the Ross Sea, between Victoria Land and Byrd Land. Also called: Ross Barrier or Ross Shelf Ice

Ross′ Ice′ Shelf`

n. an ice barrier filling the S part of the Ross Sea.

Ross Ice Shelf

the largest ice shelf in Antarctica, located between Marie Byrd Land in the west and Victoria Land in the east. Area, 527,000 sq km. The distance from south to north is approximately 850 km; from east to west it is approximately 1,000 km. Elevation, approximately 60 m. The northern edge of the shelf forms a steep wall, rising approximately 50 m above the Ross Sea. The thickness of the ice is 150–200 m at the outer edge and up to 700 m at the southern extension. The average speed of the eastern half of the shelf is 800 m per year, and of the western half 1,500 m per year. The ice shelf was discovered in 1841 by a British expedition led by J. C. Ross and was originally called the Ross Barrier. From 1929 to 1959, the Little America base on the ice shelf housed various U. S. antarctic expeditions.

单词	ross ice shelf
释义	Ross Ice Shelf Ross Ice Shelf A vast area in Antarctica bordering on the Ross Sea, an arm of the southern Pacific Ocean. In the western part of the sea is Ross Island, site of the active volcano Mount Erebus. Ross Ice Shelf n (Placename) the ice shelf forming the S part of the Ross Sea, between Victoria Land and Byrd Land. Also called: Ross Barrier or Ross Shelf Ice Ross′ Ice′ Shelf` n. an ice barrier filling the S part of the Ross Sea. Ross Ice Shelf Ross Ice Shelf the largest ice shelf in Antarctica, located between Marie Byrd Land in the west and Victoria Land in the east. Area, 527,000 sq km. The distance from south to north is approximately 850 km; from east to west it is approximately 1,000 km. Elevation, approximately 60 m. The northern edge of the shelf forms a steep wall, rising approximately 50 m above the Ross Sea. The thickness of the ice is 150–200 m at the outer edge and up to 700 m at the southern extension. The average speed of the eastern half of the shelf is 800 m per year, and of the western half 1,500 m per year. The ice shelf was discovered in 1841 by a British expedition led by J. C. Ross and was originally called the Ross Barrier. From 1929 to 1959, the Little America base on the ice shelf housed various U. S. antarctic expeditions.
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