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An ice rise is a clearly defined elevation of the otherwise very much flatter ice shelf, typically dome-shaped and rising several hundreds of metres above the surrounding ice shelf. An ice rise forms where the ice shelf touches the seabed due to a locally increased elevation of the seabed, which however remains below sea level. (In contrast, an elevation in the seabed that extends above sea level is defined as an island). The ice shelf flows over the seabed elevation, completely covering it with ice, thereby forming an ice rise. The resulting stress increases cause crevasse formation around the ice rise.

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  • Eiskuppel (de)
  • Ice rise (en)
  • Ледяной остров (ru)
  • 冰隆 (zh)
rdfs:comment
  • 冰隆(英語:ice rise),是指冰架隆起的地區,通常較周邊地區高出100至200米,最大型的冰隆長200公里、寬50公里,面積10,000平方公里,該地貌容易與被冰架覆蓋的島嶼混淆。 (zh)
  • Eine Eiskuppel (englisch ice rise) ist eine auf einem Fels ruhende Eismasse, die entweder ganz von einem Schelfeis umgeben ist, oder teilweise von einem Schelfeis und teilweise vom offenen Meer oder eisfreien Land. Der Untergrund kann dabei vollständig unter dem Meeresspiegel liegen. Kein Fels liegt an der Oberfläche bloß. Eine Eiskuppel bildet sich, wo das schwimmende und meerwärts fließende Schelfeis durch eine felsige Erhebung am Meeresboden behindert wird. Sie speist sich meist aus lokal anfallenden Niederschlägen. Der Fluss des Eises ist – unabhängig von der Fließrichtung des Schelfeises – radial nach außen gerichtet. (de)
  • An ice rise is a clearly defined elevation of the otherwise very much flatter ice shelf, typically dome-shaped and rising several hundreds of metres above the surrounding ice shelf. An ice rise forms where the ice shelf touches the seabed due to a locally increased elevation of the seabed, which however remains below sea level. (In contrast, an elevation in the seabed that extends above sea level is defined as an island). The ice shelf flows over the seabed elevation, completely covering it with ice, thereby forming an ice rise. The resulting stress increases cause crevasse formation around the ice rise. (en)
  • Ледниковый остров или Ледяной остров — четко очерченная возвышенность шельфового ледника, обычно имеющая форму купола и поднимающаяся на высоту до нескольких сотен метров над окружающим ледником. Встречаются в морях, в которых имеются шельфовые ледники, и в подлёдных озерах. В обоих случаях образование ледяных островов имеет схожий механизм и происходит там, где ледник касается дна водоёма из-за его локального подъёма выше нижней кромки плавающего ледника. Шельфовый ледник течет по поднятию дна, полностью покрывая его льдом, тем самым образуя ледяной подъём и трещины вокруг подъёма льда на своей поверхности. (ru)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Antarctic_shelf_ice_hg.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Ice_Rises_1-s2.0-S0012825215300416-gr3_lrg.jpg
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