Das Eis wird mit zunehmender Bohr-Tiefe immer transparenter. Bis in 1.000 Metern Tiefe erscheint das Eis als Folge der Luftblasen milchig grau. Unterhalb von 1.200 bis 1.300 Metern Tiefe ist das Eis transparent wie Plexiglas.
Foto: Sepp Kipfstuhl, Alfred-Wegener-Institut
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