Västantarktis






Västantarktis vänster i bild.




Översiktskarta över Västantarktis.


Västantarktis är den delen av Antarktis som ligger väster om de Transantarktiska bergen. Här ligger både Antarktis nordligaste plats (Hope Bay) och högsta punkt (Vinsonmassivet).




Innehåll






  • 1 Geografi


    • 1.1 Områden


    • 1.2 Angränsande hav


    • 1.3 Bergsområden


    • 1.4 Shelfis




  • 2 Externa länkar





Geografi |


Västantarktis är den mindre delen av Antarktis. Området geografiska gräns sträcker sig från Rosshavet till Weddellhavet och nästan hela Västantarktis ligger på Västra halvklotet. Större delen av Västantarktis är täckts av glaciärer och inlandsisar men det finns även snöfria områden kallade antarktiska oaser. Drakes sund och Scotiahavet skiljer Antarktis från Sydamerika.



Områden |


Västantarktis geografiska områden är:



  • Graham Land

  • Palmer Land

  • Ellsworth Land

  • Marie Byrd land

  • Edward VII land



Angränsande hav |


Västantarktis gränsar till:



  • Scotiahavet

  • Weddellhavet

  • Bellingshausenhavet

  • Amundsenhavet

  • Rosshavet



Bergsområden |


De största bergskedjorna är:



  • Transantarktiska bergen

  • Ellsworth Mountains


De högsta topparna är:




  • Vinson Massif, 4 892 m ö.h., Sentinel Range


  • Mount Tyree, 4 852 m ö.h., Ellsworth Mountains


  • Mount Shinn, 4 660 m ö.h., Sentinel Range


  • Mount Gardner, 4 587 m ö.h., Ellsworth Mountains


  • Mount Craddock, 4 368 m ö.h., Sentinel Range



Shelfis |


De största shelfisområden är:




  • Filchner Ronne shelfis, cirka 422 420 km²


  • Larsens shelfis, cirka 48 600 km²


  • George VI-shelfis, cirka 23  880km²


  • Wilkins shelfis, cirka 13 680 km²


  • Ross shelfis, cirka 472 960 km²



Externa länkar |



  • Karta över området

  • Satellitbild över Västantarktis

  • Översiktskarta över Västantarktis (NASA)




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