Other
Scientific paper
Nov 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003rsci...74.4846c&link_type=abstract
Review of Scientific Instruments, Volume 74, Issue 11, pp. 4846-4854 (2003).
Other
3
Gravitational Wave Detectors And Experiments, Observatories And Site Testing, Gravitational Radiation Detectors, Mass Spectrometers, And Other Instrumentation And Techniques
Scientific paper
The seismic signature of a vehicle traveling on the site of the Australian International Gravitational Observatory has been studied using a two-axis seismometer. The main laboratory strongly attenuated the vehicle-induced seismic noise across all frequencies. We find that the magnitude of the vehicle-induced seismic signal followed a d-γ power law, with d the source-detector distance and γ~1.7+/-0.4. The results are indicative of strong attenuation of seismic disturbances and are consistent with other measurements of low-amplitude Rayleigh wave attenuation in similar sandy soil types, a highly desirable property for the site of a gravitational wave observatory. This analysis provides a tool for estimating the magnitude of vehicle-induced seismic noise at the laboratory buildings from more distant sources on and around the site.
Blair Dane
Burman Ronald R.
Coward David
Zhao Caisheng
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