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- Ice_shelf abstract "An ice shelf is a thick floating platform of ice that forms where a glacier or ice sheet flows down to a coastline and onto the ocean surface. Ice shelves are only found in Antarctica, Greenland and Canada. The boundary between the floating ice shelf and the grounded (resting on bedrock) ice that feeds it is called the grounding line. The thickness of ice shelves ranges from about 100 to 1000 metres.In contrast, sea ice is formed on water, is much thinner (typically less than 3m), and forms throughout the Arctic Ocean. It also is found in the Southern Ocean around the continent of Antarctica.Ice shelves are principally driven by gravity-driven pressure from the grounded ice. That flow continually moves ice from the grounding line to the seaward front of the shelf. The primary mechanism of mass loss from ice shelves was thought to have been iceberg calving, in which a chunk of ice breaks off from the seaward front of the shelf. A study by NASA and university researchers - published in the June 14, 2013 issue of Science - found however that ocean waters melting the undersides of Antarctic ice shelves are responsible for most of the continent's ice shelf mass loss.Typically, a shelf front will extend forward for years or decades between major calving events. Snow accumulation on the upper surface and melting from the lower surface are also important to the mass balance of an ice shelf. Ice may also accrete onto the underside of the shelf.The density contrast between glacial ice, which is denser than normal ice, and liquid water means that only about 1/9 of the floating ice is above the ocean surface. The world's largest ice shelves are the Ross Ice Shelf and the Filchner-Ronne Ice Shelf in Antarctica.The term captured ice shelf has been used for the ice over a subglacial lake, such as Lake Vostok.".
- Ice_shelf thumbnail Corp2400_-_Flickr_-_NOAA_Photo_Library.jpg?width=300.
- Ice_shelf wikiPageExternalLink ice-glaces.ec.gc.ca.
- Ice_shelf wikiPageExternalLink iceshelves.html.
- Ice_shelf wikiPageExternalLink default.asp?casid=1547.
- Ice_shelf wikiPageExternalLink index.html.
- Ice_shelf wikiPageExternalLink 01_maantieteellisia_tietoja_aihepiireittain.xls.
- Ice_shelf wikiPageID "343246".
- Ice_shelf wikiPageRevisionID "600781424".
- Ice_shelf hasPhotoCollection Ice_shelf.
- Ice_shelf subject Category:Bodies_of_ice.
- Ice_shelf subject Category:Ice_shelves.
- Ice_shelf subject Category:Snow_or_ice_weather_phenomena.
- Ice_shelf subject Category:Water_ice.
- Ice_shelf comment "An ice shelf is a thick floating platform of ice that forms where a glacier or ice sheet flows down to a coastline and onto the ocean surface. Ice shelves are only found in Antarctica, Greenland and Canada. The boundary between the floating ice shelf and the grounded (resting on bedrock) ice that feeds it is called the grounding line.".
- Ice_shelf label "Barrière de glace".
- Ice_shelf label "IJsplateau".
- Ice_shelf label "Ice shelf".
- Ice_shelf label "Lodowiec szelfowy".
- Ice_shelf label "Piattaforma di ghiaccio".
- Ice_shelf label "Plataforma de gelo".
- Ice_shelf label "Plataforma de hielo".
- Ice_shelf label "Schelfeis".
- Ice_shelf label "Шельфовый ледник".
- Ice_shelf label "جرف جليدي".
- Ice_shelf label "冰架".
- Ice_shelf label "棚氷".
- Ice_shelf sameAs Šelfový_ledovec.
- Ice_shelf sameAs Schelfeis.
- Ice_shelf sameAs Τράπεζα_Πάγου.
- Ice_shelf sameAs Plataforma_de_hielo.
- Ice_shelf sameAs Barrière_de_glace.
- Ice_shelf sameAs Piattaforma_di_ghiaccio.
- Ice_shelf sameAs 棚氷.
- Ice_shelf sameAs 빙붕.
- Ice_shelf sameAs IJsplateau.
- Ice_shelf sameAs Lodowiec_szelfowy.
- Ice_shelf sameAs Plataforma_de_gelo.
- Ice_shelf sameAs m.01yczd.
- Ice_shelf sameAs Q46966.
- Ice_shelf sameAs Q46966.
- Ice_shelf wasDerivedFrom Ice_shelf?oldid=600781424.
- Ice_shelf depiction Corp2400_-_Flickr_-_NOAA_Photo_Library.jpg.
- Ice_shelf isPrimaryTopicOf Ice_shelf.
