EFFECT OF FINITE THICKNESS OF SCATTERING LAYER ON CODA Q OF LOCAL EARTHQUAKES
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dc.contributor.author | Long-Sheng G. | |
dc.contributor.author | Aki K. | |
dc.date.accessioned | 2020-11-23T10:55:16Z | |
dc.date.available | 2020-11-23T10:55:16Z | |
dc.date.issued | 1996 | |
dc.identifier | https://elibrary.ru/item.asp?id=593370 | |
dc.identifier.citation | Journal of Geodynamics, 1996, , 2, 191-203 | |
dc.identifier.issn | 0264-3707 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/19427 | |
dc.description.abstract | Theories based on the assumption of an infinite medium show that the coda attenuation factor, Q-1c, of local earthquakes should be very close to the intrinsic Q-1i, whereas many observations show that Q-1c is close to the totalQ-1 (Q-1t). This paper shows by numerical modeling that Q-1c depends on the thickness of the scattering layer. For source-receiver coincidence, if the thickness is greater than a half of the mean free path, Q-1c lies between Q-1i and Q-1t. However, when the thickness is less, Q-1c may be higher than Q-1t. In addition,Q-1c depends on the epicentral distance. The thinner the layer, the faster the change with distance in Q-1c. For an unbounded scattering medium Q-1c is even lower than Q-1i at long epicentral distances. | |
dc.title | EFFECT OF FINITE THICKNESS OF SCATTERING LAYER ON CODA Q OF LOCAL EARTHQUAKES | |
dc.type | Статья |
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