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首页> 外文期刊>Surveys in Geophysics: An International Review Journal of Geophysics and Planetary Sciences >Present Day Regional Mass Loss of Greenland Observed with Satellite Gravimetry
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Present Day Regional Mass Loss of Greenland Observed with Satellite Gravimetry

机译：卫星重力法观测的格陵兰现今区域质量损失

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摘要

This paper summarizes results obtained for Greenland's mass balance observed with NASA's GRACE mission. We estimate a Greenland ice sheet mass loss at -201 ± 19 Gt/year including a discernible acceleration of -8 ± 7 Gt/year2 between March 2003 and February 2010. The mass loss of glacier systems on the South East of Greenland has slowed down while the mass loss increases toward the North along the West side of Greenland. The mass balance can be compared with results obtained by a regional climate model of the Greenland system and ice sheet altimeter data obtained from NASA's ICEsat mission. Our GRACE-only results differ to within 15% from these independently calculated values; we will comment on the possible causes and the quality of the glacial isostatic adjustment model which is used to correct geodetic datasets.
机译：本文总结了通过NASA的GRACE任务观测到的格陵兰质量平衡所获得的结果。我们估计格陵兰岛冰盖的质量损失为-201±19 Gt /年，包括在2003年3月至2010年2月之间可察觉的加速为-8±7 Gt / year2。格陵兰岛东南部冰川系统的质量损失已减缓而沿格陵兰西侧向北的质量损失则增加。可以将质量平衡与通过格陵兰系统的区域气候模型获得的结果以及从NASA的ICEsat任务获得的冰盖高度计数据进行比较。我们仅GRACE的结果与这些独立计算的值相差15％以内;我们将对可能用于校正大地测量数据集的冰川等静调整模型的质量和质量进行评论。

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