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  Variability in Kappa (κκrr ) Estimated with Coda Waves for California

Ji, C., Cabas, A., Pilz, M., Kottke, A. (2022): Variability in Kappa (κκrr ) Estimated with Coda Waves for California. - In: Wang, L., Zhang, J.-M., Wang, R. (Eds.), Proceedings of the 4th International Conference on Performance Based Design in Earthquake Geotechnical Engineering (Beijing 2022): Geotechnical, Geological and Earthquake Engineering, (Geotechnical, Geological and Earthquake Engineering ; 52), Cham : Springer International Publishing, 912-919.
https://doi.org/10.1007/978-3-031-11898-2_67

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Datensatz-Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5015101 Versions-Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5015101_1
Genre: Buchkapitel

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 Urheber:
Ji, Chunyang1, Autor
Cabas, Ashly1, Autor
Pilz, M.2, Autor              
Kottke, Albert1, Autor
Affiliations:
1External Organizations, ou_persistent22              
22.6 Seismic Hazard and Risk Dynamics, 2.0 Geophysics, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, ou_146032              

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Schlagwörter: -
 Zusammenfassung: Characterizing and quantifying the effects of local soil conditions are essential for site-specific seismic hazard assessment and site response analysis. The high-frequency spectral decay parameter κr and its site-specific component, κ0, have gained popularity due to their abilities to characterize near-surface attenuation in situ. Values of κ0 for rock conditions are of particular interest for site-specific seismic hazard analysis for critical facilities. However, ground motions (GM) recorded at sites underlain by stiff soils or rocks are scarce, which limits the computation of κ0 values via the classic acceleration spectrum method. Recent research has found that κ values computed using the coda wave of a GM (i.e., the multiple-scattered wave that is less sensitive to the earthquake source and local site effects) can capture regional variations of the attenuation of hard rock materials regardless of the subsurface conditions near the surface. However, there are still large uncertainties in κ estimates based on the coda wave per GM, κr_coda, associated with the absence of consistent guidelines for the computation procedure and a user-orientated GM processing protocol. This work uses California GMs to examine the variability associated with the computation process of κr_coda, including the choice of onset of the coda wave and its duration. The objective of this paper is to understand and quantify the variabilities in κ values based on coda waves, which has potentially large implications in its applicability in future ground motion models.

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Sprache(n): eng - Englisch
 Datum: 2022-09-202022
 Publikationsstatus: Final veröffentlicht
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: DOI: 10.1007/978-3-031-11898-2_67
GFZPOF: p4 T3 Restless Earth
 Art des Abschluß: -

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Quelle 1

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Titel: Proceedings of the 4th International Conference on Performance Based Design in Earthquake Geotechnical Engineering (Beijing 2022): Geotechnical, Geological and Earthquake Engineering
Genre der Quelle: Buch
 Urheber:
Wang, Lanmin1, Herausgeber
Zhang, Jian-Min1, Herausgeber
Wang, Rui1, Herausgeber
Affiliations:
1 External Organizations, ou_persistent22            
Ort, Verlag, Ausgabe: Cham : Springer International Publishing
Seiten: - Band / Heft: 52 Artikelnummer: - Start- / Endseite: 912 - 919 Identifikator: ISBN: 978-3-031-11897-5
ISBN: 978-3-031-11898-2

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Titel: Geotechnical, Geological and Earthquake Engineering
Genre der Quelle: Reihe
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 52 Artikelnummer: - Start- / Endseite: - Identifikator: -