word | | Terrain |
| surface | Arctic Ocean | central surface covered by a perennial drifting polar icepack that, on average, is about 3 meters thick, although pressure ridges may be three times that thickness; clockwise drift pattern in the Beaufort ... |
| surface | Atlantic Ocean | surface usually covered with sea ice in Labrador Sea, Denmark Strait, and coastal portions of the Baltic Sea from October to June; clockwise warm-water gyre (broad, circular system of currents) in ... |
| surface | Indian Ocean | surface dominated by counterclockwise gyre (broad, circular system of currents) in the southern Indian Ocean; unique reversal of surface currents in the northern Indian Ocean; low atmospheric pressure over southwest Asia from ... |
| surface | Pacific Ocean | surface currents in the northern Pacific are dominated by a clockwise, warm-water gyre (broad circular system of currents) and in the southern Pacific by a counterclockwise, cool-water gyre; in the ... |
| surface | Saint Helena | ... with the Atlantic Mid-Ocean Ridge Saint Helena: rugged, volcanic; small scattered plateaus and plains Ascension: surface covered by lava flows and cinder cones of 44 dormant volcanoes; ground rises to the ... |
| surfaces | Western Sahara | mostly low, flat desert with large areas of rocky or sandy surfaces rising to small mountains in south and northeast |
| surrounded | Arctic Ocean | ... from the New Siberian Islands (Russia) to Denmark Strait (between Greenland and Iceland); the icepack is surrounded by open seas during the summer, but more than doubles in size during the winter ... |
| surrounded | Cayman Islands | low-lying limestone base surrounded by coral reefs |
| surrounded | Czech Republic | Bohemia in the west consists of rolling plains, hills, and plateaus surrounded by low mountains; Moravia in the east consists of very hilly country |
| surrounded | Guam | volcanic origin, surrounded by coral reefs; relatively flat coralline limestone plateau (source of most fresh water), with steep coastal cliffs and narrow coastal plains in north, low hills in center, mountains in ... |
| surrounded | Ireland | mostly level to rolling interior plain surrounded by rugged hills and low mountains; sea cliffs on west coast |
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