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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/24979

Title: Structure of the southernmost Okinawa Trough from reflection and wide-angle seismic data
Authors: Frauke Klingelhoefer;Chao-Shing Lee;Jing-Yi Lin;Jean-Claude Sibuet
Contributors: NTOU:Institute of Applied Geosciences
國立臺灣海洋大學:應用地球科學研究所
Keywords: Okinawa Trough;Wide-angle seismics;Crustal structure;Back-arc basin
Date: 2009-03-10
Issue Date: 2011-10-20T08:18:41Z
Publisher: Tectonophysics
Abstract: abstract:During a passive seismic experiment in the Okinawa Trough the shots of two reflection profiles were recorded by ocean bottom seismometers (OBS). Both profiles include 3 ocean-bottom instruments, are about 65 km in length and located in the axial portion of the southwestern Okinawa Trough. Processing of the reflection seismic data images recent deformation of the sedimentary units. Forward modelling of the wide-angle data on both profiles reveals a 1–2 km thick sedimentary infill overlying an acoustic basement characterised by seismic velocities between 3.2 and 3.5 km/s. Crustal thickness could only be modelled on one profile and was determined to be around 10 km, thickening towards the Ryukyu Arc in the south. Gravity modelling was used to additionally constrain both profiles especially the deep structure of Profile 1.
Relation: 466(3-4), pp.281–288
URI: http://ntour.ntou.edu.tw/handle/987654321/24979
Appears in Collections:[應用地球科學研究所] 期刊論文

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