Cold hard facts: Underwater robot measures Antarctic sea ice

November 24, 2014 10:25 PM

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WASHINGTON (Reuters) - Measuring the thickness of Antarctic sea ice, an important gauge of environmental conditions in this remote polar region in a time of global climate change, has proven to be a tricky task. But an underwater robot is providing a nice solution.

Satellite measurements can be skewed by surface snow, and some ice floes are simply too difficult to reach by ship, even icebreakers, to make direct measurements by drilling into them.

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