In the last few years many studies have applied data of satellite gravity sensors for solid Earth applications. The use of different methodologies has been shown to result in large variations in crustal thickness even when using the same data as source. It is, however, difficult to estimate what is a significant difference between such models. Up to now the impact of the inherent uncertainty of Gravity Field and steady-state Ocean Circulation Explorer (GOCE) data on solid Earth applications has never been quantified. With this study we will provide uncertainty boundaries for crustal modelling based on the GOCE TIM5 covariance matrix. Different noise realizations have been calculated using a Monte Carlo-like simulation and added to the TIM5 model coefficients. The resulting differences in crustal thickness amount to maximum }0.2 km, which is less than 1 per cent of the total thickness, and much smaller than many other uncertainties involved in the inversion process.

中文翻译：

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GOCE 重力模型不确定性对地壳厚度估计的影响

在过去的几年中，许多研究已将卫星重力传感器的数据应用于固体地球应用。即使使用相同的数据作为来源，使用不同的方法也会导致地壳厚度的巨大变化。然而，很难估计这些模型之间的显着差异。到目前为止，重力场和稳态海洋环流探测器 (GOCE) 数据的固有不确定性对固体地球应用的影响从未被量化。通过这项研究，我们将为基于 GOCE TIM5 协方差矩阵的地壳建模提供不确定性边界。使用类似蒙特卡罗的模拟计算了不同的噪声实现，并将其添加到 TIM5 模型系数中。由此产生的地壳厚度差异最大为}0.2 km，