JAMSTEC Report of Research and Development
Online ISSN : 2186-358X
Print ISSN : 1880-1153
ISSN-L : 1880-1153
Report
Portable Multi-Channel Seismic reflection system
Seiichi Miura Makoto ItoYuki OhwatariSatoshi TsukiokaMikiya YamashitaYasuyuki NakamuraTetsuo NoNarumi TakahashiShuichi Kodaira
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2013 Volume 16 Pages 13-21

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Abstract
Multi-Channel Seismic reflection (MCS) system is a seismic system exploring underground structure, which enables to image of underground structure analyzing seismic signals reflecting at layer-boundaries and faults. Japan Agency for Marine-Earth Science and Technology has been conducted seismic surveys for understating seismogenesis using seismic systems. Nowadays objectives for seismic surveys have become broader than ever so high resolution imaging is needed. Moreover, seismic system loading on various vessels seems to be required for the survey in the special waters such as shallow areas or arctic sea. To fulfill the new demand, a Portable MCS system was implemented in 2011. Acquired data is in good quality to confirm the realization of the intended high-resolution structural images. Moreover, detailed structural images using the Portable MCS system were acquired around the toe of landward slope of the Japan Trench, contributing to the proposal of ocean drilling stations (or points). Since more seismic surveys using the Portable MCS system are scheduled in the future, the system will be used more frequently and widely.
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© 2013, Japan Agency for Marine-Earth Science and Technology
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