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Photo Essay
Under Antarctic Ice
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 ©2003 Norbert Wu/www.norbertwu.com

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Sea ice stalactites are hollow, tapering structures up to several feet long. As ice forms from seawater, the salts are left as a brine solution. This dense, chilled brine drains down from the sea ice ceiling, entering the near-freezing seawater below. Ice forms around this draining, flowing brine, forming a hollow ice stalactite. I could often see the denser brine water draining from the tips of these stalactites.

--Norbert Wu