科学与环境
Antarctic rocks reveal a missing chapter of glacier history
来源: Phys.org - latest science and technology news stories · 发布于
Antarctica's glaciers were changing long before satellites, weather stations or cameras captured their transformations, and they left behind clues. Along Marguerite Bay on the western Antarctic Peninsula, ridges of rocks and debris mark former glacier margins. For decades, scient
Antarctica's glaciers were changing long before satellites, weather stations or cameras captured their transformations, and they left behind clues. Along Marguerite Bay on the western Antarctic Peninsula, ridges of rocks and debris mark former glacier margins. For decades, scientists lacked direct evidence about when many of these ridges formed.
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