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Profiling below the ice

WHOI engineering assistant Kris Newhall (left) and crewmember of the Canadian icebreaker Louis V. St. Laurent Brian Mackenzie (middle) prepare to assist WHOI research specialist Rick Krishfield in deploying an ice-tethered profiler (ITP) in the Arctic Ocean. WHOI researchers have been deploying an array of ITPs across the region to measure the dynamic changes—both natural and caused by global climate change—in the character of the waters beneath the ice cap.
(Photo by Gary Morgan, CCGS Louis S. St. Laurent)