Time-reversal methods in geophysics
- Los Alamos National Laboratory, New Mexico (United States)
- United States
Before the 20th century there were few seismometers. So Earth's dynamic geophysical processes were poorly understood. Today the potential for understanding those processes is enormous: The number of seismic instruments is continually increasing, their data are easily stored and shared, and computing power grows exponentially. As a result, seismologists are rapidly discovering new kinds of seismic signals in the frequency range 0.001-100 Hz, as well as relatively large nonseismic displacements, monitored by the global positioning system, occurring over days or weeks.
- OSTI ID:
- 22038504
- Journal Information:
- Physics Today, Vol. 63, Issue 8; Other Information: (c) 2010 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0031-9228
- Country of Publication:
- United States
- Language:
- English
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