Studying glacial sliding related to rising sea levels

Researchers at Iowa State University (ISU) use cross-polarized lenses to examine thin, horizontal sections of ice. Here, the black colors tell them when they're looking down an axis of the ice grains and helps them to understand deformation in the ice. Lucas Zoet, a postdoctoral research ...This is an NSF Multimedia Gallery item.
Source: NSF Multimedia Gallery - Category: Science Source Type: video
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