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A revision of the parameters of the NNR-NUVEL-1A plate velocity model

机译：NNR-NUVEL-1A板速度模型参数的修订

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摘要

The NNR-NUVEL-1A model, as an international standard model of the International Terrestrial Reference Frame (ITRF), should be an accurate and rigorous enough no net rotation (NNR) model. In this paper, the new inertial Q-tensor of global plates is accurately calculated with a new method, and further the total angular momentum of global plates is obtained. The result shows that the reference frame constrained by NNR-NUVEL-1 A is rotating at 0.012°/Ma with respect to the Earth lithosphere, and the NNR constraint of NNR-NUVEL-1A is not realized completely. A new revised model NNR-NUVEL-1B is presented.
机译：作为国际陆地参考框架（ITRF）的国际标准模型，NNR-NUVEL-1A模型应该是足够精确且严格的无净旋转（NNR）模型。本文用一种新方法精确地计算出了整体板的新惯性Q张量，进而获得了整体板的总角动量。结果表明，受NNR-NUVEL-1A约束的参考系相对于地球岩石圈以0.012°/ Ma旋转，而不能完全实现NNR-NUVEL-1A的NNR约束。提出了新的修订模型NNR-NUVEL-1B。

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