{"@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/1390282681471816064.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.4116/jaqua.53.55"}},{"identifier":{"@type":"NDL_BIB_ID","@value":"025193790"}},{"identifier":{"@type":"URI","@value":"http://id.ndl.go.jp/bib/025193790"}},{"identifier":{"@type":"URI","@value":"https://ndlsearch.ndl.go.jp/books/R000000004-I025193790"}},{"identifier":{"@type":"NAID","@value":"130004700520"}}],"dc:title":[{"@language":"en","@value":"Event deposits on the Pacific coast of Misawa, Aomori Prefecture, northern Japan"},{"@language":"ja","@value":"青森県三沢市で検出されたイベント堆積物"},{"@language":"ja-Kana","@value":"アオモリケン ミサワシ デ ケンシュツ サレタ イベント タイセキブツ"}],"dc:language":"ja","description":[{"type":"abstract","notation":[{"@language":"en","@value":"To assess the long-term earthquake history, we studied paleotsunami deposits on the Pacific coast of Misawa, Aomori Prefecture, northern Japan, using fossil diatom assemblage analysis and radiocarbon dating.  We found two sand layers interbedded with fluvial mud beneath the coastal lowland.  The upper sand sheet was deposited after the fallout of B-Tm tephra (10th century).  Because of artificial disturbance, the source of the upper sand layer is unclear.  The lower sand layer, deposited 4,800-2,900calBP, occurs extensively 0.7-1.7km inland from the present shoreline and generally fines landward.  The lower sand layer and its overlying mud contain brackish-marine as well as freshwater diatoms.  These geological and biological features suggest that a tsunami possibly formed the lower sand layer.  However, it is still possible that the brackish diatoms were derived from marine terraces of the late Pleistocene."},{"@language":"ja","@value":"東北地方北部の太平洋岸における長期間の地震・津波の履歴およびその規模を明らかにすることを目的に，青森県三沢市の低湿地において津波堆積物調査を行った．その結果，シルト層および粘土層中に挟在する2層のイベント砂層を検出した．上位のイベント砂層は人為的な擾乱によりその成因は特定できない．下位のイベント砂層は4,800〜2,900calBPに堆積したと推定され，海岸線から内陸約700mの地点から約1kmにわたって連続的に堆積し，内陸に向かって細粒化する．また，砂層中とその直上の粘土層中には淡水生珪藻だけでなく汽水生珪藻も含まれている．このイベント砂層は津波により形成された可能性もあるが，上位の地層からも汽水生珪藻が産出することから，背後の海成段丘構成層からの流れ込みによって形成された可能性も否定できない．また，周辺地域でこのイベント砂層に対比される津波堆積物の報告はなく，イベント砂層の成因を明らかにするにはさらに調査を進める必要がある．"}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1420845751161012352","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"30613541"},{"@type":"NRID","@value":"1000030613541"},{"@type":"NRID","@value":"9000016405172"},{"@type":"NRID","@value":"9000319548722"},{"@type":"NRID","@value":"9000413502868"},{"@type":"NRID","@value":"9000248227314"},{"@type":"NRID","@value":"9000403989035"},{"@type":"NRID","@value":"9000305636882"},{"@type":"NRID","@value":"9000347190908"},{"@type":"NRID","@value":"9000266428512"},{"@type":"NRID","@value":"9000380473327"},{"@type":"NRID","@value":"9000258389221"},{"@type":"NRID","@value":"9000388502537"},{"@type":"NRID","@value":"9000413481517"},{"@type":"NRID","@value":"9000392040625"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/k_tani"}],"foaf:name":[{"@language":"en","@value":"Tanigawa Koichiro"},{"@language":"ja","@value":"谷川 晃一朗"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST)"},{"@language":"ja","@value":"独立行政法人産業技術総合研究所活断層・地震研究センター"}]},{"@id":"https://cir.nii.ac.jp/crid/1420282801195027456","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"20399504"},{"@type":"NRID","@value":"1000020399504"},{"@type":"NRID","@value":"9000254263344"},{"@type":"NRID","@value":"9000392032817"},{"@type":"NRID","@value":"9000258389239"},{"@type":"NRID","@value":"9000255331672"},{"@type":"NRID","@value":"9000319548721"},{"@type":"NRID","@value":"9000258389229"},{"@type":"NRID","@value":"9000283274537"},{"@type":"NRID","@value":"9000413502867"},{"@type":"NRID","@value":"9000262346785"},{"@type":"NRID","@value":"9000403989033"},{"@type":"NRID","@value":"9000290381512"},{"@type":"NRID","@value":"9000347165963"},{"@type":"NRID","@value":"9000009976165"},{"@type":"NRID","@value":"9000344117933"},{"@type":"NRID","@value":"9000261687839"},{"@type":"NRID","@value":"9000347190904"},{"@type":"NRID","@value":"9000020982744"},{"@type":"NRID","@value":"9000258389234"},{"@type":"NRID","@value":"9000266428513"},{"@type":"NRID","@value":"9000333078104"},{"@type":"NRID","@value":"9000258389214"},{"@type":"NRID","@value":"9000004900523"},{"@type":"NRID","@value":"9000412653251"},{"@type":"NRID","@value":"9000283709688"},{"@type":"NRID","@value":"9000010255958"},{"@type":"NRID","@value":"9000401503257"},{"@type":"NRID","@value":"9000258412261"},{"@type":"NRID","@value":"9000242755791"},{"@type":"NRID","@value":"9000413481511"},{"@type":"NRID","@value":"9000244884549"},{"@type":"NRID","@value":"9000380473410"},{"@type":"NRID","@value":"9000020990720"},{"@type":"NRID","@value":"9000356648926"},{"@type":"NRID","@value":"9000018922323"},{"@type":"NRID","@value":"9000240048515"},{"@type":"NRID","@value":"9000392045042"},{"@type":"NRID","@value":"9000258413078"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/yuki-sawai"}],"foaf:name":[{"@language":"en","@value":"Sawai Yuki"},{"@language":"ja","@value":"澤井 祐紀"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST)"},{"@language":"ja","@value":"独立行政法人産業技術総合研究所活断層・地震研究センター"}]},{"@id":"https://cir.nii.ac.jp/crid/1420282801181668992","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"00357188"},{"@type":"NRID","@value":"1000000357188"},{"@type":"ORCID","@value":"0000-0002-2910-8467"},{"@type":"NRID","@value":"9000258417582"},{"@type":"NRID","@value":"9000412590802"},{"@type":"NRID","@value":"9000392042106"},{"@type":"NRID","@value":"9000362195628"},{"@type":"NRID","@value":"9000326649057"},{"@type":"NRID","@value":"9000264868831"},{"@type":"NRID","@value":"9000414369224"},{"@type":"NRID","@value":"9000392039221"},{"@type":"NRID","@value":"9000266428514"},{"@type":"NRID","@value":"9000404155983"},{"@type":"NRID","@value":"9000018698301"},{"@type":"NRID","@value":"9000345258531"},{"@type":"NRID","@value":"9000411369885"},{"@type":"NRID","@value":"9000262347516"},{"@type":"NRID","@value":"9000359875697"},{"@type":"NRID","@value":"9000405119440"},{"@type":"NRID","@value":"9000311773046"},{"@type":"NRID","@value":"9000280543607"},{"@type":"NRID","@value":"9000411478318"},{"@type":"NRID","@value":"9000388502557"},{"@type":"NRID","@value":"9000258412259"},{"@type":"NRID","@value":"9000258411382"},{"@type":"NRID","@value":"9000403163414"},{"@type":"NRID","@value":"9000258418167"},{"@type":"NRID","@value":"9000278506773"},{"@type":"NRID","@value":"9000345421721"},{"@type":"NRID","@value":"9000392045046"},{"@type":"NRID","@value":"9000402255966"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/shishikura"}],"foaf:name":[{"@language":"en","@value":"Shishikura Masanobu"},{"@language":"ja","@value":"宍倉 正展"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST)"},{"@language":"ja","@value":"独立行政法人産業技術総合研究所活断層・地震研究センター"}]},{"@id":"https://cir.nii.ac.jp/crid/1410001204228747010","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000000075653"}],"foaf:name":[{"@language":"en","@value":"Fujiwara Osamu"},{"@language":"ja","@value":"藤原 治"}],"jpcoar:affiliationName":[{"@language":"ja","@value":"独立行政法人産業技術総合研究所活断層・地震研究センター"},{"@language":"en","@value":"Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST)"}]},{"@id":"https://cir.nii.ac.jp/crid/1410572172375454593","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000266428516"}],"foaf:name":[{"@language":"en","@value":"Namegaya Yuichi"},{"@language":"ja","@value":"行谷 佑一"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST)"},{"@language":"ja","@value":"独立行政法人産業技術総合研究所活断層・地震研究センター"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"04182642"},{"@type":"LISSN","@value":"04182642"},{"@type":"EISSN","@value":"18818129"},{"@type":"NDL_BIB_ID","@value":"000000014125"},{"@type":"ISSN","@value":"04182642"},{"@type":"NCID","@value":"AN0034136X"}],"prism:publicationName":[{"@language":"en","@value":"The Quaternary Research (Daiyonki-Kenkyu)"},{"@language":"ja","@value":"第四紀研究"},{"@language":"en","@value":"The Quaternary Res."},{"@language":"en","@value":"The Quat. Res."},{"@language":"en","@value":"The Quat. Res. (Daiyonki-Kenkyu)"},{"@language":"ja","@value":"第四紀研究"},{"@language":"en","@value":"Daiyonki-kenkyu"}],"dc:publisher":[{"@language":"en","@value":"Japan Association for Quaternary Research"},{"@language":"ja","@value":"日本第四紀学会"}],"prism:publicationDate":"2014","prism:volume":"53","prism:number":"1","prism:startingPage":"55","prism:endingPage":"62"},"reviewed":"false","url":[{"@id":"http://id.ndl.go.jp/bib/025193790"},{"@id":"https://ndlsearch.ndl.go.jp/books/R000000004-I025193790"}],"availableAt":"2014","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=Pacific%20coast%20of%20Aomori","dc:title":"Pacific coast of Aomori"},{"@id":"https://cir.nii.ac.jp/all?q=event%20deposit","dc:title":"event deposit"},{"@id":"https://cir.nii.ac.jp/all?q=tsunami","dc:title":"tsunami"},{"@id":"https://cir.nii.ac.jp/all?q=fossil%20diatom%20assemblage","dc:title":"fossil diatom assemblage"},{"@id":"https://cir.nii.ac.jp/all?q=Holocene","dc:title":"Holocene"},{"@id":"https://cir.nii.ac.jp/all?q=%E9%9D%92%E6%A3%AE%E7%9C%8C%E4%B8%89%E6%B2%A2%E5%B8%82","dc:title":"青森県三沢市"},{"@id":"https://cir.nii.ac.jp/all?q=%E3%82%A4%E3%83%99%E3%83%B3%E3%83%88%E5%A0%86%E7%A9%8D%E7%89%A9","dc:title":"イベント堆積物"},{"@id":"https://cir.nii.ac.jp/all?q=%E6%B4%A5%E6%B3%A2","dc:title":"津波"},{"@id":"https://cir.nii.ac.jp/all?q=%E7%8F%AA%E8%97%BB%E5%8C%96%E7%9F%B3%E7%BE%A4%E9%9B%86","dc:title":"珪藻化石群集"},{"@id":"https://cir.nii.ac.jp/all?q=%E5%AE%8C%E6%96%B0%E4%B8%96","dc:title":"完新世"}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360002216709607680","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Challenges of anticipating the 2011 Tohoku earthquake and tsunami using coastal geology"}]},{"@id":"https://cir.nii.ac.jp/crid/1360004231414805376","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Identification and possible recurrence of an oversized tsunami on the Pacific coast of northern Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1360011142935419008","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Unusually large earthquakes inferred from tsunami deposits along the Kuril trench"}]},{"@id":"https://cir.nii.ac.jp/crid/1360013168825673856","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Holocene coastal evolution, past tsunamis, and extreme wave event reconstructions using sediment cores obtained from the central coast of Hidaka, Hokkaido, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1360285707474875520","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Tsunami history over the past 2000 years on the Sanriku coast, Japan, determined using gravel deposits to estimate tsunami inundation behavior"}]},{"@id":"https://cir.nii.ac.jp/crid/1360846641087726336","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Assessing the magnitude of the 869 Jogan tsunami using sedimentary deposits: Prediction and consequence of the 2011 Tohoku-oki tsunami"}]},{"@id":"https://cir.nii.ac.jp/crid/1361418520750308480","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Coseismic and postseismic slip of the 2011 magnitude-9 Tohoku-Oki earthquake"}]},{"@id":"https://cir.nii.ac.jp/crid/1361981471284302848","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Fault models of unusual tsunami in the 17th century along the Kuril trench"}]},{"@id":"https://cir.nii.ac.jp/crid/1363388845190289408","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Tsunami deposits in a lacustrine sequence of the Sanriku coast, northeast Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1363670319538206720","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Horizontal and vertical variation of 2004 Indian tsunami deposits: An example of two transects along the western coast of Thailand"}]},{"@id":"https://cir.nii.ac.jp/crid/1363951795462109824","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Diatoms as a tool for reconstructing sedimentary environments in coastal wetlands; 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