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  • June

    A Gamma Portable Radar Interferometer and a Robotic Laser Theodolite sit on top of a large pressure ridge near a U.S. Navy ice camp on the Beaufort Sea, March 4, 2020. The Gamma Portable Radar Interferometer continuously measures precise distances from itself to an array of reflectors deployed around the camp and runway. It is able to detect small movements of the reflectors in relation to each other, and can tell researchers how the ice is expanding and contracting. The radar interferometer in an alternate method to accomplish a similar goal, sending out radar pulses that reflect off of various ice surfaces and records the reflected signal.

    ERDC researchers study arctic sea ice

    The U.S. Army Engineering Research and Development Center’s Cold Regions Research and Engineering Laboratory (CRREL) collaborated with the U.S. Navy during the annual Sea Ice Dynamics Experiment (SIDEx) from February through March 2020 by predicting potential breaks in sea ice.