{"@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/1361137046186380928.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1111/iar.12153"}},{"identifier":{"@type":"URI","@value":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fiar.12153"}},{"identifier":{"@type":"URI","@value":"https://onlinelibrary.wiley.com/doi/pdf/10.1111/iar.12153"}}],"dc:title":[{"@value":"Late Holocene record of environmental changes, cyclones and tsunamis in a coastal lake, Mangaia, Cook Islands"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:title>Abstract</jats:title><jats:p>A 4.3 m‐long peat sequence from the shore of Lake Tiriara, Mangaia, Cook Islands, was analyzed using an ITRAX core scanner equipped with a magnetic susceptibility meter. Variations in the elemental profiles, providing insights into long‐ and short‐term environmental changes over the last 3500 years, are supported by grain size data and diatom assemblages. The scattering ratio (Mo Inc/Mo Coh) was evaluated and found to represent a good proxy for organic matter in peat. X‐Ray Fluorescence (XRF) data were processed by principal component analysis that confirmed the distinction of biogenic and detrital phases, organic matter and elements of marine origin. The record preserved in the peat sequence includes a peatland infilling stage followed by alternating drier and wetter periods. A notable steady increase in clay associated with high counts of detrital elements from 2000–1700 cal yr BP is attributed to increased erosion, which is most probably linked with human colonization and/or more intense chemical weathering linked with a wetter climate. Freshwater gastropods (<jats:italic>Melanoides sp.</jats:italic>), which were possibly introduced by humans, or are native, occupied the wetland during a period of lower water level about 1000–1100 cal yr BP. Short‐term changes in the elemental profiles are often linked with slight coarsening of the inorganic fraction that is, however, only revealed after grain size analysis. Peaks in marine indicators (Br, Cl, S, and/or Ca) associated with marine‐dominated diatom assemblages most probably represent marine incursions through the underground tunnel in the makatea, a fossilized, uplifted coral limestone rim. While none of the marine event units present characteristics typical of cyclone or tsunami deposits, the concurrent or absent peak of detrital elements (Fe, Si, Rb, Ti, K) attributed to increased erosion of the volcanic cone associated with a cyclone is used to distinguish both types of events, as also suggested by principal component analysis.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1380861293866033664","@type":"Researcher","foaf:name":[{"@value":"Catherine Chagué‐Goff"}],"jpcoar:affiliationName":[{"@value":"PANGEA Research Centre, School of Biological, Earth and Environmental Sciences UNSW Australia  Sydney 2052 NSW Australia"},{"@value":"Institute for Environmental Research Australian Nuclear Science and Technology Organisation  Kirrawee DC 2232 NSW Australia"}]},{"@id":"https://cir.nii.ac.jp/crid/1381137046186380928","@type":"Researcher","foaf:name":[{"@value":"Jordan Chi Hang Chan"}],"jpcoar:affiliationName":[{"@value":"PANGEA Research Centre, School of Biological, Earth and Environmental Sciences UNSW Australia  Sydney 2052 NSW Australia"}]},{"@id":"https://cir.nii.ac.jp/crid/1381137046186380930","@type":"Researcher","foaf:name":[{"@value":"James Goff"}],"jpcoar:affiliationName":[{"@value":"PANGEA Research Centre, School of Biological, Earth and Environmental Sciences UNSW Australia  Sydney 2052 NSW Australia"}]},{"@id":"https://cir.nii.ac.jp/crid/1381137046186380931","@type":"Researcher","foaf:name":[{"@value":"Patricia Gadd"}],"jpcoar:affiliationName":[{"@value":"Institute for Environmental Research Australian Nuclear Science and Technology Organisation  Kirrawee DC 2232 NSW Australia"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"10384871"},{"@type":"EISSN","@value":"14401738"}],"prism:publicationName":[{"@value":"Island Arc"}],"dc:publisher":[{"@value":"Wiley"}],"prism:publicationDate":"2016-09","prism:volume":"25","prism:number":"5","prism:startingPage":"333","prism:endingPage":"349"},"reviewed":"false","dc:rights":["http://onlinelibrary.wiley.com/termsAndConditions#vor"],"url":[{"@id":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fiar.12153"},{"@id":"https://onlinelibrary.wiley.com/doi/pdf/10.1111/iar.12153"}],"createdAt":"2016-09-05","modifiedAt":"2023-10-03","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360002216157635200","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Geological evidence and sediment transport modelling for the 1946 and 1960 tsunamis in Shinmachi, Hilo, Hawaii"}]},{"@id":"https://cir.nii.ac.jp/crid/1360004232352906240","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Non-destructive analyses to determine appropriate stratigraphic level for dating of tsunami deposits"}]},{"@id":"https://cir.nii.ac.jp/crid/1360285707329607552","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"New Zealand's most easterly palaeotsunami deposit confirms evidence for major trans-Pacific event"}]},{"@id":"https://cir.nii.ac.jp/crid/1360576118731621888","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Investigation of Adequate Calibration Methods for X-ray Fluorescence Core Scanning Element Count Data: A Case Study of a Marine Sediment Piston Core from the Gulf of Alaska"}]},{"@id":"https://cir.nii.ac.jp/crid/1360853567501179264","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Integrated lateral correlation of tsunami deposits during the last 6000 years using multiple indicators at Koyadori, Sanriku Coast, northeast Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1390018827132860160","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Reconstruction of vegetation changes on Atiu Island, southern Cook Islands, East Polynesia, based on pollen analysis: Verification of human impacts"},{"@language":"ja","@value":"花粉分析による南クック諸島・アチウ島の植生変化の復元と人類の影響"}]},{"@id":"https://cir.nii.ac.jp/crid/1390298124254786688","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Machine Learning-based Geochemical Discrimination Method for Tsunami Deposits and a Simple Determination System"},{"@language":"ja","@value":"機械学習による津波堆積物の地球化学的判別手法および簡易判定システムの提案"}]},{"@id":"https://cir.nii.ac.jp/crid/1390298367162987776","@type":"Article","resourceType":"学術雑誌論文(journal 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Core Scanner"},{"@language":"ja","@value":"XRFコアスキャナーを用いた混合層中の津波堆積物の層境界の推定"},{"@language":"ja-Kana","@value":"XRF コアスキャナー オ モチイタ コンゴウソウ チュウ ノ ツナミ タイセキブツ ノ ソウ キョウカイ ノ スイテイ"}]},{"@id":"https://cir.nii.ac.jp/crid/2050870367089655296","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Washover deposits related to tsunami and storm surge along the north coast of the Shimokita Peninsula in northern 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