WAIS Divide sits on top of the antarctic ice sheet. Every season, a new layer of snow is deposited on the surface, which eventually gets added to the many, many layers of snow. Erin Pettit and her teammates this year dug a snow pit, showing the various layers of snow over the last few seasons.
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[…] West Antarctic Ice Sheet Divide sits on top of the Antarctic ice sheet. Every season, a new layer of snow is deposited on the surface. American glaciologist Erin Pettit and her teammates dug a snow pit, showing the various layers of snow over the last few seasons. Image: Jeffrey Donenfeld […]