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Interglacial and future sea level

机译:冰川间和未来的海平面

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摘要

A merger of data and modelling using a probabilistic approach indicates that sea level was much higher during the last interglacial than it is now, providing telling clues about future ice-sheet responses to warming.rnPredicting sea-level rise in a warming world is one of sciences great challenges. According to sea-rise projections for the twenty-first century, the 145 million people living within a metre of the present sea level risk losing their land and their homes. Many more would be affected by the resulting socio-economic disruption. Our poor understanding of ice-sheet dynamics means that projecting sea-level rise beyond the twenty-first century is much less certain. On page 863 of this issue, however, Kopp et al. derive a new assessment of sea level during the last interglacial, around 125,000 years ago, that provides insight into this question. If their results are correct, the sea-level rise over the coming century will be followed by many more metres of rise over the ensuing centuries.
机译:使用概率方法进行的数据和建模的合并表明,上一个冰期之间的海平面要比现在高得多,这提供了有关未来冰盖对变暖的反应的线索。rn预测变暖世界中的海平面上升是其中之一。科学的巨大挑战。根据二十一世纪的海平面上升预测,生活在当前海平面一米范围内的1.45亿人有失去土地和房屋的风险。随之而来的社会经济破坏将影响更多人。我们对冰盖动力学的了解不足,这意味着无法预测到超过21世纪的海平面上升。但是,Kopp等人在第863页上。在大约125,000年前的最后一个冰期之间得出新的海平面评估,从而提供了对该问题的见解。如果他们的结果是正确的,那么在接下来的几个世纪中,接下来一个世纪的海平面上升将伴随着海平面上升。

著录项

  • 来源
    《Nature》 |2009年第7275期|856-857|共2页
  • 作者

    Peter U. Clark; Peter Huybers;

  • 作者单位

    Department of Geosciences, Oregon State University, Corvallis, Oregon 97331, USA;

    Department of Earth and Planetary Sciences, Harvard University, Cambridge, Massachusetts 02138, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
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