地幔共振的放大作用是构造的一个原因
Magnification of mantle resonance as a cause of tectonics
摘要:
通过对超导重力仪(SG)年代际数据(含噪声)的方差谱分析,提出了地球构造运动是基于质量(主要是地幔)机械共振的放大,而不是基于先前假设的原因。在此,原始(空白和未更改)数据的使用被视为物理结果有效性的标准,因此数据未以任何方式更改。然后,类似于全球高频自由振荡的大气潮汐强迫,我建议,月球会合经常性的拉力同样可以驱动地球的长周期(12至120分钟)振荡。为了证明这一点,我表明,每天的质量(重力)振荡的幅度,作为一个相对措施的非平稳地球动能,得到天气周期,而相关的0.97与地震能量的一天,浅源地震和3天前。地幔通常粘度和地球的春潮和重力模态周期的强迫振子方程成功地模拟了一个相同的3天相位。最后,尽管关于最严重地震(大约9.5级)的报告将最大同震位移放在10米左右,但同样的方程预测最大位移也是9.8米。因此,同样的机制,导致桥梁倒塌下的士兵步行军可能会使岩石圈失败下的春潮诱导放大地幔共振,导致强烈地震的类型不明。如果这一论断是正确的,那么即使不是大多数,也有许多大地震在空间和时间上是可以预测的。
英文摘要:
Variance spectral analysis of superconducting gravimeter (SG) decadal data (noise inclusive) is presented suggesting that the Earth tectonogenesis is based on magnification of the mass (mainly the mantle) mechanical resonance, in addition to or instead of previously hypothesized causes. Here the use of raw (gapped and unaltered) data is regarded as the criterion for a physical result validity, so data were not altered in any way. Then analogously to the atmospheric tidal forcing of global high frequency free oscillation, I propose that the Moon synodically recurring pull could likewise drive the long-periodic (12 to 120 minutes) oscillation of the Earth. To demonstrate this, I show that the daily magnitudes of mass (gravity) oscillation, as a relative measure of the non-stationary Earth kinetic energy, get synodically periodic while correlating up to 0.97 with seismic energies on the day of shallow and 3 days before deep earthquakes. The forced oscillator equations for the mantle usual viscosity and the Earth springtide and grave mode periods successfully model an identical 3 days phase. Finally, whereas reports on gravest earthquakes (of around M9.5) put the maximum coseismic displacement at around 10 m, the same equations predict the maximum displacement as 9.8 m, too. Hence, the same mechanism that causes bridges to collapse under the soldiers step marching could be making the lithosphere fail under the springtide induced magnification of mantle resonance resulting in strong earthquakes of unspecified type. If this assertion is correct, then many if not most large earthquakes could be spatially and temporally predictable.
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