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North Pole Spring

WHOI engineers Jeff Pietro (left) and Kris Newhall attached a cylindrical profiler instrument to a wire hanging into the Arctic Ocean recently near the North Pole. Pietro, Newhall and senior research specialist Rick Krishfield (green parka) made a fast spring trip to the Arctic in April to install an Ice-Tethered Profiler (ITP) system, the latest in a series of ITPs monitoring changing Arctic Ocean conditions. The ITP drifts with the ice floe, measuring ocean properties day and night and transmitting the data to shore.

(Photo courtesy of Rick Krishfield, Woods Hole Oceanographic Institution)