Groundwater Detected Under Antarctica's McMurdo Dry Valleys?

Antarctica's Dry Valleys may not be so dry. A helicopter-borne sensor that penetrates below the surface of large swathes of terrain has found compelling evidence that ice-free McMurdo Dry Valleys may be hiding a salty aquifer. Brines, or salty water, form extensive aquifers below glaciers, lakes and within permanently frozen soils. If they are present, it might provide answers about the biological adaptations of previously unknown ecosystems that persist in the extreme cold and dark of the Antarctic winter. read more

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