2020年8月3日 星期一

Coronavirus shutdowns led to “the longest and most coherent global seismic noise reduction in recorded history,” scientists report.




In geophysics, geology, civil engineering, and related disciplines, seismic noise is a generic name for a relatively persistent vibration of the ground, due to a multitude of causes, that is often a non-interpretable or unwanted component of signals recorded by seismometers.

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