Sensitivity Analysis of the Interfrequency Correlation of Synthetic Ground Motions to Pseudodynamic Source Models
| العنوان: | Sensitivity Analysis of the Interfrequency Correlation of Synthetic Ground Motions to Pseudodynamic Source Models |
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| المؤلفون: | Seok Goo Song, Mathieu Causse, Jeff Bayless |
| المساهمون: | Korea Institute of Geoscience and Mineral resources (KIGAM), Korea Institute of Geoscience and Mineral Resources, Institut des Sciences de la Terre (ISTerre), Institut national des sciences de l'Univers (INSU - CNRS)-Institut de recherche pour le développement [IRD] : UR219-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Université Gustave Eiffel-Université Grenoble Alpes (UGA), AECOM |
| المصدر: | Seismological Research Letters Seismological Research Letters, Seismological Society of America, 2020, 92 (1), pp 301-313. ⟨10.1785/0220200181⟩ Seismological Research Letters, 2020, 92 (1), pp 301-313. ⟨10.1785/0220200181⟩ |
| بيانات النشر: | Seismological Society of America (SSA), 2020. |
| سنة النشر: | 2020 |
| مصطلحات موضوعية: | FREQUENCE, SOL, 010504 meteorology & atmospheric sciences, Cross-correlation, Motion simulation, PROPRIETE DYNAMIQUE, [SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph], 010502 geochemistry & geophysics, 01 natural sciences, Physics::Geophysics, TRAITEMENT DU SIGNAL, Correlation, Geophysics, Seismic hazard, 13. Climate action, CORRELATION, SISMOLOGIE, Earthquake rupture, Sensitivity (control systems), Seismology, 0105 earth and related environmental sciences |
| الوصف: | Given the deficiency of recorded strong ground-motion data, it is important to understand the effects of earthquake rupture processes on near-source ground-motion characteristics and to develop physics-based ground-motion simulation methods for advanced seismic hazard assessments. Recently, the interfrequency correlation of ground motions has become an important element of ground-motion predictions. We investigate the effect of pseudodynamic source models on the interfrequency correlation of ground motions by simulating a number of ground-motion waveforms for the 1994 Northridge, California, earthquake, using the Southern California Earthquake Center Broadband Platform. We find that the cross correlation between earthquake source parameters in pseudodynamic source models significantly affects the interfrequency correlation of ground motions in the frequency around 0.5 Hz, whereas its effect is not visible in the other frequency ranges. Our understanding of the effects of earthquake sources on the characteristics of near-source ground motions, particularly the interfrequency correlation, may help develop advanced physics-based ground-motion simulation methods for advanced seismic hazard and risk assessments. |
| تدمد: | 1938-2057 0895-0695 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::95abb23551beb6052574354c4c7efb3f https://doi.org/10.1785/0220200181 |
| حقوق: | OPEN |
| رقم الأكسشن: | edsair.doi.dedup.....95abb23551beb6052574354c4c7efb3f |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 19382057 08950695 |
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