PCC Director Cecilia Bitz helps explain Antarctica’s massive polyna

A polyna is an area of open water in sea-ice. Polynas are special because they are formed by either warm oceanic upwelling beneath sea-ice or strong katabatic winds from above—or both. Polynas give scientists a view into the processes underneath sea-ice. This specific polyna is the size of Maine and has not been seen since the 1970s. Bitz (“Dr. Sea Ice”), was interviewed by Bustle to help explain this odd event and what it means for sea-ice research.

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