Spatiotemporal sequence of Himalayan debris flow from analysis of high-frequency seismic noise
نویسندگان
چکیده
منابع مشابه
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[1] Earth’s background vibrations at frequencies below about 0.5 Hz have been attributed to ocean-wave energy coupling into the ground and propagating as surface waves and P-waves (compressional waves deep within the Earth). However, the origin and nature of seismic noise on land at frequencies around 1 Hz has not yet been well studied. Using array beamforming, we analyze the seismic noise fiel...
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Time-frequency filtering is an acceptable technique for attenuating noise in 2-D (time-space) and 3-D (time-space-space) reflection seismic data. The common approach for this purpose is transforming each seismic signal from 1-D time domain to a 2-D time-frequency domain and then denoising the signal by a designed filter and finally transforming back the filtered signal to original time domain. ...
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ژورنال
عنوان ژورنال: Journal of Geophysical Research
سال: 2009
ISSN: 0148-0227
DOI: 10.1029/2008jf001198