On Subdiurnal Effects in Earth Rotation |
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| Authors: | Arfa-Kaboodvand K Groten E |
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| Institution: | (1) Institute of Physical Geodesy, Darmstadt University of Technology, Darmstadt, Germany |
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| Abstract: | More than two years of almost continuous polar motion data (obtained by reprocessing GPS-Observations) have been used to analyse the daily/subdaily variations in Earth rotation based on the complex Wavelet-Technique. Systematic and spectral analytical investigations of the degree of variability of periods including tidal have been carried out. Relevant indications of oceanic effects, besides atmospheric components, have been observed. |
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| Keywords: | Earth rotation LOD Wavelet Fourier Maximum entropy |
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