He is a professor of ocean physics at the Potsdam Institute for Climate Impact Research in Germany and the study's co-author.

他是德国波茨坦气候影响研究所的海洋物理学教授，也是这项研究的共同作者。

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"If you extrapolate these results, Greenland is going to be a serious contributor to global sea-level rise" in coming years, said Peter Wadhams, a professor of ocean physics at the University of Cambridge, England, who wasn't involved in the Science study.

WSJ: Polar Ice Sheets Melt at Faster Pace