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Suchen ([PPN] Pica-Produktionsnummer) 589392050
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| [Elektronische Resource] | Aufsatz: | | VerfasserIn: | | Umfang: | graph. Darst | Inhalt: | The potential of a 3-D vertical seismic profile (VSP) to improve resolution of seismogenic plate interfaces was explored with synthetic modeling. The 3-D VSP modeled is at a proposed site for a 1 to 1.5 km deep open hole that provides background for riser drilling. Three-dimensional VSP images could resolve 30-60 m spaced reflective horizons in a Costa Rican subduction zone. It can record a great amount of high-fidelity S wave data to invert for physical properties, directions of strain, and pore pressure above and below the plate interface fault. A 6 km × 12 km grid of shots with a surface ship will illuminate a ~ 4 km × 7 km area of the plate interface fault zone with a high data density. Acquisition adds 5 to 9 days to drill ship time on site and a shooting ship. Seismic image resolution falls between that of borehole information and 3-D surface ship seismic images. A multiple-kilometer 3-D volume of high-fidelity S wave data is an exceptional addition not available with other techniques. | Bibliogr. Zusammenhang: | . - Bd. 9.2008, 7, insges. 10 S. | | | Lokale Schlagwörter: | | | | Anmerkung: | Zeitschrift in der Bibliothek vorhanden | |
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