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首页> 外文期刊>Earth and Planetary Science Letters: A Letter Journal Devoted to the Development in Time of the Earth and Planetary System >Response to comment on 'Stability of the Earth with respect to the spin axis for the last 130 Million Years' by P. Camps, M. Prevot, M. Daignieres and P. Macheteal
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Response to comment on 'Stability of the Earth with respect to the spin axis for the last 130 Million Years' by P. Camps, M. Prevot, M. Daignieres and P. Macheteal

机译：P. Camps，M。Prevot，M。Daignieres和P. Macheteal对“地球在过去1.3亿年中相对于自旋轴的稳定性”的评论的回应

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摘要

True polar wander (TPW), the rotation of the entire Earth with respect to the spin axis, remains as fascinating a geophysical possibility today as it was when considered by Goldreich and Toomre in 1969 [1]. But, as emphasized by Tarduno and Smirnov [2], the plausibility of any specific TPW event depends critically on the frame of reference employed. This is especially true when considering the Mesozoic to recent, because some studies have defined TPW using a reference frame defined by fixed hotspots (e.g. [3,4]). If hotspots move in the mantle as part of larger scale convection, as has been indicated in a host of recent investigations (e.g. [5-9]), this definition of TPW is invalid.
机译：真正的极地漂移（TPW），即整个地球相对于自旋轴的旋转，至今仍像Goldreich和Toomre在1969年考虑的那样，具有令人着迷的地球物理可能性[1]。但是，正如Tarduno和Smirnov [2]所强调的，任何特定的TPW事件的合理性在很大程度上取决于所采用的参考框架。当考虑到中生代时尤其如此，因为一些研究已经使用固定热点定义的参考框架来定义TPW（例如[3,4]）。如果热点作为较大对流的一部分在地幔中移动（如最近的许多研究（例如[5-9]）所示），则TPW的定义无效。

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