Ocean tide effects in universal time detected by VLBI
作者： H. Schuh , P. Brosche , J. Campbell , J. Wuensch
DOI:
关键词: Tidal water 、 Ocean dynamics 、 Physics 、 Very-long-baseline interferometry 、 Universal Time 、 Geodesy 、 Earth's rotation 、 Amplitude 、 Correlation analysis 、 Astrophysics 、 Ocean tide 、 Meteorology
摘要: We have detected significant evidence in UT1-data from VLBI observations of the short period UT1 variations caused by diurnal and semidiurnal ocean tides. A total 48 IRIS-A experiments covering about 1 year were used a comparison with newly computed theoretical UT1-variations induced tidal water elevations currents. Using correlation least squares fitting techniques signals predicted amplitude 0.1 ms could be at level 4σ. In addition, out-of-phase part an effective fortnightly tide Mf was found to agreement theory
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