Water ice penitentes. This forest of snow and ice penitentes reflects moonlight shining across the Chajnantor plateau. The region lies in the Chilean Andes at an altitude of 5,000 meters … Up to several meters high, the flattened, sharp-edged shapes, and orientation of the penitentes tend to minimize their shadows at local noon. In the …

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Subglacial water currents and circuits

subglacial circuits subglacieal water

Subglacial lakes and subglacial water currents have now also been found in Greenland’s ice sheets. The first subglacieal lakes and life were found in Antarctica, with Lake Vostok perhaps the most famous. Does a subglacial water system mean it is a natural circuit? What sort of component in planet Earth’s plasma and electromagnetic circuit? The …

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