Mixed Results From the Labrador Sea

Science  17 Apr 1998:
Vol. 280, Issue 5362, pp. 375
DOI: 10.1126/science.280.5362.375

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In midwinter, researchers launched two automated submarines in the stormy Labrador Sea, hoping to leave them behind to explore "bottom-water formation"--the way frigid surface waters sink to the ocean floor. But a mechanical glitch that blocked the vehicles from "parking" automatically at a docking station moored deep underwater prevented them from operating autonomously as planned. Although the autonomous underwater vehicles did make measurements that would not have been possible from a ship, they were unable to monitor bottom-water formation during its peak in late February and March.