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Ice-sheet mass balance and climate change

机译：冰盖的质量平衡与气候变化

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摘要

Since the 2007 Intergovernmental Panel on Climate Change Fourth Assessment Report, new observations of ice-sheet mass balance and improved computer simulations of ice-sheet response to continuing climate change have been published. Whereas Greenland is losing ice mass at an increasing pace, current Antarctic ice loss is likely to be less than some recently published estimates. It remains unclear whether East Antarctica has been gaining or losing ice mass over the past 20 years, and uncertainties in ice-mass change for West Antarctica and the Antarctic Peninsula remain large. We discuss the past six years of progress and examine the key problems that remain.%在2007年，“政府间气候变化专门委员会”未rn能对冰层通过动态过程(如因冰下水文活动的rn变化而发生的冰加速)对海平面上升的贡献做rn出一个估计。这个问题，再加上来自卫星观测rn工作的成熟数据流，导致了大量研究工作的进rn行。Edward Hanna等人回顾了过去六年有关rn冰层物质平衡变化的研究工作，得出结论认rn为：来自格陵兰的冰层加速消失是一个可靠的rn发现，但来自南极洲的冰层消失可能远低于人rn们以前所想的。
机译：Since the 2007 Intergovernmental Panel on Climate Change Fourth Assessment Report, new observations of ice-sheet mass balance and improved computer simulations of ice-sheet response to continuing climate change have been published. Whereas Greenland is losing ice mass at an increasing pace, current Antarctic ice loss is likely to be less than some recently published estimates. It remains unclear whether East Antarctica has been gaining or losing ice mass over the past 20 years, and uncertainties in ice-mass change for West Antarctica and the Antarctic Peninsula remain large. We discuss the past six years of progress and examine the key problems that remain.%在2007年，“政府间气候变化专门委员会”未rn能对冰层通过动态过程(如因冰下水文活动的rn变化而发生的冰加速)对海平面上升的贡献做rn出一个估计。这个问题，再加上来自卫星观测rn工作的成熟数据流，导致了大量研究工作的进rn行。Edward Hanna等人回顾了过去六年有关rn冰层物质平衡变化的研究工作，得出结论认rn为：来自格陵兰的冰层加速消失是一个可靠的rn发现，但来自南极洲的冰层消失可能远低于人rn们以前所想的。

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  • 来源
    《Nature》 |2013年第7452期|51-59a2|共10页
  • 作者

    Edward Hanna; Francisco J. Navarro; Frank Pattyn; Catia M. Domingues; Xavier Fettweis; Erik R. Ivins; Robert J. Nicholls; Catherine Ritz; Ben Smith; Slawek Tulaczyk; Pippa L. Whitehouse; H. Jay Zwally;

  • 作者单位

    Department of Geography, University of Sheffield, Sheffield S10 2TN, UK;

    Departamento de Matematica Aplicada a las Tecnologias de la Informacion, Universidad Politecnica de Madrid, 28040 Madrid,Spain;

    Laboratoire de Glaciologie, Universite Libre de Bruxelles, B-1050 Brussels, Belgium;

    Antarctic Climate and Ecosystems Cooperative Research Centre, University of Tasmania, Aspendale, Victoria 3195, Australia;

    Department of Geography, University of Liege, 4000 Liege, Belgium;

    Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109-8099. USA;

    Faculty of Engineering and the Environment, University of Southampton, Southampton SO17 1BJ, UK;

    Laboratoire de Glaciologie et Geophysique de I'Environnement, UJF- Grenoble 1/CNRS, 38402 Saint-Martin d'Heres, France.;

    Polar Science Center, Applied Physics Laboratory, University of Washington, Seattle, Washington 98105, USA;

    Department of Earth and Planetary Sciences, University of California,Santa Cruz, California 95064, USA;

    Department of Geography, Durham University, Durham DH13LE, UK;

    NASA Goddard Space Flight Center, Cryospheric Sciences Laboratory, Greenbelt, Maryland 20771, USA;

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