{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1363670320588007424.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1029/2010gc003146"}},{"identifier":{"@type":"URI","@value":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1029%2F2010GC003146"}},{"identifier":{"@type":"URI","@value":"https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/2010GC003146"}}],"dc:title":[{"@value":"Along‐arc variation in seismic velocity structure related to variable growth of arc crust in northern Izu‐Bonin intraoceanic arc"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:p>The Izu‐Bonin arc is an intraoceanic island arc where the Pacific plate subducts beneath the Philippine Sea plate. Along‐arc variation in thickness of the arc crust has been observed by previous active seismic surveys beneath the Izu‐Bonin arc. We have imaged three‐dimensional (3‐D) seismic velocity structures in the northern Izu‐Bonin arc using arrival time data of the earthquakes during 80 days of observations by ocean bottom seismographs and three permanent island seismic stations. Our 3‐D velocity model indicates heterogeneous structure in the mantle wedge along the arc. Low‐velocity anomalies related to upwelling flow in the mantle wedge are not uniform beneath the volcanic front. Low‐velocity anomalies extending down to the subducting slab beneath the volcanic front coincide with thicker parts of the arc crust north of Aoga‐shima and south of Sumisu‐jima. This coincidence suggests that heterogeneous mantle upwelling flow fundamentally controls the growth of the arc crust. Along topographic highs in the forearc, low‐velocity anomalies in the crust and uppermost mantle coincide with positive magnetic anomalies suggesting the presence of a remnant arc, providing further evidence of this view of arc crust formation.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1383670320588007430","@type":"Researcher","foaf:name":[{"@value":"Koichiro Obana"}],"jpcoar:affiliationName":[{"@value":"Institute for Research on Earth Evolution Japan Agency for Marine‐Earth Science and Technology  3173‐25 Showa‐machi, Kanazawa‐ku, Yokohama 236‐0001 Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1383670320588007427","@type":"Researcher","foaf:name":[{"@value":"Shin'ichiro Kamiya"}],"jpcoar:affiliationName":[{"@value":"Earthquake and Tsunami Research Project for Disaster Prevention Japan Agency for Marine‐Earth Science and Technology  3173‐25 Showa‐machi, Kanazawa‐ku, Yokohama 236‐0001 Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1383670320588007425","@type":"Researcher","foaf:name":[{"@value":"Shuichi Kodaira"}],"jpcoar:affiliationName":[{"@value":"Institute for Research on Earth Evolution Japan Agency for Marine‐Earth Science and Technology  3173‐25 Showa‐machi, Kanazawa‐ku, Yokohama 236‐0001 Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1383670320588007424","@type":"Researcher","foaf:name":[{"@value":"Daisuke Suetsugu"}],"jpcoar:affiliationName":[{"@value":"Institute for Research on Earth Evolution Japan Agency for Marine‐Earth Science and Technology  2‐15 Natsushima‐cho, Yokosuka 237‐0061 Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1383670320588007428","@type":"Researcher","foaf:name":[{"@value":"Narumi Takahashi"}],"jpcoar:affiliationName":[{"@value":"Institute for Research on Earth Evolution Japan Agency for Marine‐Earth Science and Technology  3173‐25 Showa‐machi, Kanazawa‐ku, Yokohama 236‐0001 Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1383670320588007426","@type":"Researcher","foaf:name":[{"@value":"Tsutomu Takahashi"}],"jpcoar:affiliationName":[{"@value":"Institute for Research on Earth Evolution Japan Agency for Marine‐Earth Science and Technology  3173‐25 Showa‐machi, Kanazawa‐ku, Yokohama 236‐0001 Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1383670320588007429","@type":"Researcher","foaf:name":[{"@value":"Yoshihiko Tamura"}],"jpcoar:affiliationName":[{"@value":"Institute for Research on Earth Evolution Japan Agency for Marine‐Earth Science and Technology  2‐15 Natsushima‐cho, Yokosuka 237‐0061 Japan"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"15252027"},{"@type":"EISSN","@value":"15252027"}],"prism:publicationName":[{"@value":"Geochemistry, Geophysics, Geosystems"}],"dc:publisher":[{"@value":"American Geophysical Union (AGU)"}],"prism:publicationDate":"2010-08","prism:volume":"11","prism:number":"8","prism:startingPage":"Q08012"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","dc:rights":["http://onlinelibrary.wiley.com/termsAndConditions#vor"],"url":[{"@id":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1029%2F2010GC003146"},{"@id":"https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/2010GC003146"}],"createdAt":"2010-08-10","modifiedAt":"2023-10-30","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360004230175234688","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"The 3‐D distribution of random velocity inhomogeneities in southwestern Japan and the western part of the Nankai subduction zone"}]},{"@id":"https://cir.nii.ac.jp/crid/1360004233287175808","@type":"Article","resourceType":"学術雑誌論文(journal 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Zone"},{"@language":"ja-Kana","@value":"イズ コ ショウトツタイ ニ オケル タイリク チカク ケイセイ"},{"@value":"Formation of Continental Crust at the Izu&ndash;Honshu Collision Zone"}]},{"@id":"https://cir.nii.ac.jp/crid/1390299915004519040","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Molybdenum isotopic compositions in volcanic rocks from Northern Izu arc (Izu-Oshima, Niijima, and Kozushima)"}]},{"@id":"https://cir.nii.ac.jp/crid/2051151842099397504","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"S-wave attenuation structure beneath the northern Izu-Bonin 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