Roger Andersen, senior mathematician at the University of Washington's Polar Science Center, and Axel Schweiger, principal scientist and chair of the University of Washington's Polar Science Center, review air sample data received from a Dropsonde sensor

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Roger Andersen, senior mathematician at the University of Washington's Polar Science Center, and Axel Schweiger, principal scientist and chair of the University of Washington's Polar Science Center, review air sample data received from a Dropsonde sensor while aboard a Coast Guard HC-130 Hercules airplane above the Beaufort Sea north of Alaska, Tuesday, July 16, 2013. The Dropsonde sensor's data paired with other research helps scientists understand and predict weather and ice conditions as the season progresses.

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