Search results for “glaciation”

What is permafrost?

About a quarter of the non-glaciated earth is permafrost. Is the ground there permanently frozen or can it thaw again? Authors: 3sat/nano/Raketefilm/Andreas Gust/Konstantin Fuchs/ Translation and dubbing: alugha Click here to see more videos: https://alugha.com/TerraX

How caves were created in the Caribbean

Glaciation during the ice ages caused the sea level to drop. Parts of the limestone reef platforms that form the bedrock of the Bahamas fell dry. Rain penetrated through cracks and dissolved the limestone, creating widely ramified karst caves. Author: ZDF/Terra X/R. Marel/S. Hillmann/C. Gerisch/A.