NOAA plans to test Saildrones for Arctic Ocean mapping

The U.S. hopes to get a clearer picture of its Arctic waters using unmanned marine vehicles and sonar imaging systems.

By Melody Schreiber January 22, 2019
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The Arctic Ocean is expected to see a rise in traffic as ice melts and seas warm. Yet according to some estimates, only 4.7 percent of the region is charted to modern standards. Others put that figure even lower, at less than 2 percent.

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