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首页> 外文期刊>Earth, planets and space: EPS >Mass-redistribution-induced crustal deformation of global satellite laser ranging stations due to non-tidal ocean and land water circulation
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Mass-redistribution-induced crustal deformation of global satellite laser ranging stations due to non-tidal ocean and land water circulation

机译：由于非潮汐海洋和陆地水循环，质量分布引起的全球卫星激光测距站的地壳变形

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E-LETTER Earth Planets Space, 58, e13-e16, 2006 The effect of the non-tidal ocean load (NTOL) and the continental water load (CWL) on crustal deformation are calculated for global satellite laser ranging (SLR) stations and on 4° × 4° grids (only over the land). For the regions most severely affected, the peak-to-peak displacements due to the NTOL are found to be as large as 3 mm for the horizontal components and 10 mm for the vertical component. The peak-to-peak displacements due to the CWL reach 3 mm for the horizontal components and 15 mm for the vertical component. We apply the time series of NTOL and CWL to precise SLR analysis. The LAGEOS orbit analysis reveals that the Estimating the Circulation and Climate of the Ocean (ECCO) model makes the root mean square (RMS) of the range residual 0.2% smaller, and that the CWL makes it 0.8% smaller, compared with the case where loading displacement is neglected. On the other hand, with the NTOL derived from Topex/Poseidon altimetry data, the SLR orbit fit is not improved.
机译：电子信件Earth Planets Space，58页，e13-e16，2006年计算了全球卫星激光测距（SLR）站和非地球站海洋载荷（NTOL）和大陆水载荷（CWL）对地壳变形的影响。 4°×4°网格（仅在陆地上）。对于受影响最严重的区域，发现由NTOL引起的峰顶位移水平分量最大为3 mm，垂直分量最大为10 mm。 CWL导致的峰-峰位移水平分量达到3 mm，垂直分量达到15 mm。我们将NTOL和CWL的时间序列应用于精确的SLR分析。 LAGEOS轨道分析显示，与以下情况相比，估算海洋环流和气候（ECCO）模型可使距离残差的均方根（RMS）小0.2％，而CWL使之缩小0.8％负载位移被忽略。另一方面，使用源自Topex / Poseidon高程数据的NTOL，SLR轨道拟合没有得到改善。

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