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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Mapping Greenland's mass loss in space and time
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Mapping Greenland's mass loss in space and time

机译：绘制格陵兰的时空质量损失图

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摘要

The melting of polar ice sheets is a major contributor to global sea-level rise. Early estimates of the mass lost from the Greenland ice cap, based on satellite gravity data collected by the Gravity Recovery and Climate Experiment, have widely varied. Although the continentally and decadally averaged estimated trends have now more or less converged, to this date, there has been little clarity on the detailed spatial distribution of Greenland's mass loss and how the geographical pattern has varied on relatively shorter time scales. Here, we present a spatially and temporally resolved estimation of the ice mass change over Greenland between April of 2002 and August of 2011. Although the total mass loss trend has remained linear, actively changing areas of mass loss were concentrated on the southeastern and northwestern coasts, with ice mass in the center of Greenland steadily increasing over the decade.
机译：极地冰盖的融化是全球海平面上升的主要因素。根据重力恢复和气候实验收集的卫星重力数据，对格陵兰冰盖损失的质量的早期估计存在很大差异。尽管现在大陆和年代平均估计趋势或多或少已经趋于一致，但到目前为止，格陵兰岛大规模减灾的详细空间分布以及相对较短的时间尺度上的地理格局变化尚不清楚。在这里，我们提出了格陵兰岛2002年4月至2011年8月之间冰质量变化的时空分解估计。尽管总质量损失趋势保持线性，但质量变化活跃的区域集中在东南沿海和西北海岸十年来，格陵兰岛中部的冰块稳步增加。

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