{"@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/1360004233486995456.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1038/s41598-018-27955-4"}},{"identifier":{"@type":"URI","@value":"https://www.nature.com/articles/s41598-018-27955-4.pdf"}},{"identifier":{"@type":"URI","@value":"https://www.nature.com/articles/s41598-018-27955-4"}},{"identifier":{"@type":"PMID","@value":"29967386"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@value":"Dispersion characteristics of radioactive materials estimated by wind patterns"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:title>Abstract</jats:title><jats:p>The radioactive materials are generally concentrated downwind of their origins when the prevailing winds blow continuously in one direction. If this principle determined the pattern of dispersion in all cases, dispersion directions could be estimated by wind patterns. However, this hypothesis has not been sufficiently verified because of the complexity of dispersion processes and weather systems. Here, we show that dispersion directions, which are divided into four ranges, can be estimated by wind patterns using a machine learning approach. The five-year average hit rates of the directions of dispersion estimated using near-surface winds exceed 0.85 in all months. The dispersion directions can be estimated up to 33 hours in advance using forecast winds. In particular, high hit rates exceeding 0.95 are achieved in January and March, when large-scale weather systems dominate. These results indicate that the dispersion directions are determined by the wind patterns that correspond to large-scale weather systems and diurnal circulation patterns in most cases. Our findings also provide more reliable information on dispersion patterns with reduced uncertainties, given that reasonable skill is achieved at a sufficient lead time for evacuation.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1380004233486995337","@type":"Researcher","foaf:name":[{"@value":"Takao Yoshikane"}]},{"@id":"https://cir.nii.ac.jp/crid/1420845751162855296","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"50376638"},{"@type":"NRID","@value":"1000050376638"},{"@type":"NRID","@value":"9000405672237"},{"@type":"NRID","@value":"9000258521865"},{"@type":"NRID","@value":"9000240187268"},{"@type":"NRID","@value":"9000388484461"},{"@type":"NRID","@value":"9000363501470"},{"@type":"NRID","@value":"9000254958324"},{"@type":"NRID","@value":"9000258521271"},{"@type":"NRID","@value":"9000241793894"},{"@type":"NRID","@value":"9000363501976"},{"@type":"NRID","@value":"9000317129820"},{"@type":"NRID","@value":"9000277863304"},{"@type":"NRID","@value":"9000290821920"},{"@type":"NRID","@value":"9000257827929"},{"@type":"NRID","@value":"9000283657053"},{"@type":"NRID","@value":"9000388484675"},{"@type":"NRID","@value":"9000370281277"},{"@type":"NRID","@value":"9000259836321"},{"@type":"NRID","@value":"9000388484435"},{"@type":"NRID","@value":"9000413505407"},{"@type":"NRID","@value":"9000020244308"},{"@type":"NRID","@value":"9000398389884"},{"@type":"NRID","@value":"9000375905155"},{"@type":"NRID","@value":"9000414521280"},{"@type":"NRID","@value":"9000402255233"},{"@type":"NRID","@value":"9000411227828"},{"@type":"NRID","@value":"9000399252547"},{"@type":"NRID","@value":"9000403777309"},{"@type":"NRID","@value":"9000345211367"},{"@type":"NRID","@value":"9000315141625"},{"@type":"NRID","@value":"9000265248608"},{"@type":"NRID","@value":"9000315141623"},{"@type":"NRID","@value":"9000283236797"},{"@type":"NRID","@value":"9000283593371"},{"@type":"NRID","@value":"9000367411268"},{"@type":"NRID","@value":"9000283593302"},{"@type":"NRID","@value":"9000283593802"},{"@type":"NRID","@value":"9000345262194"},{"@type":"NRID","@value":"9000398396661"},{"@type":"NRID","@value":"9000405760646"},{"@type":"NRID","@value":"9000413543020"},{"@type":"NRID","@value":"9000405692404"},{"@type":"NRID","@value":"9000411218799"},{"@type":"NRID","@value":"9000402255192"},{"@type":"NRID","@value":"9000257767155"},{"@type":"NRID","@value":"9000257828165"},{"@type":"NRID","@value":"9000334417131"},{"@type":"NRID","@value":"9000399252525"},{"@type":"NRID","@value":"9000021660751"},{"@type":"NRID","@value":"9000243891784"},{"@type":"NRID","@value":"9000312267165"},{"@type":"NRID","@value":"9000311062243"},{"@type":"NRID","@value":"9000345378828"},{"@type":"NRID","@value":"9000410756483"},{"@type":"NRID","@value":"9000402255139"},{"@type":"NRID","@value":"9000405666425"},{"@type":"NRID","@value":"9000257768190"},{"@type":"NRID","@value":"9000390430149"},{"@type":"NRID","@value":"9000019043979"},{"@type":"NRID","@value":"9000314385519"},{"@type":"NRID","@value":"9000405666483"},{"@type":"NRID","@value":"9000257767215"},{"@type":"NRID","@value":"9000258521749"},{"@type":"NRID","@value":"9000258522103"},{"@type":"NRID","@value":"9000368409038"},{"@type":"NRID","@value":"9000414514693"},{"@type":"NRID","@value":"9000405666346"},{"@type":"NRID","@value":"9000241777339"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/keiyoshi08"}],"foaf:name":[{"@value":"Kei Yoshimura"}]}],"publication":{"publicationIdentifier":[{"@type":"EISSN","@value":"20452322"}],"prism:publicationName":[{"@value":"Scientific Reports"}],"dc:publisher":[{"@value":"Springer Science and Business Media LLC"}],"prism:publicationDate":"2018-07-02","prism:volume":"8","prism:number":"1"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","dc:rights":["https://creativecommons.org/licenses/by/4.0","https://creativecommons.org/licenses/by/4.0"],"url":[{"@id":"https://www.nature.com/articles/s41598-018-27955-4.pdf"},{"@id":"https://www.nature.com/articles/s41598-018-27955-4"}],"createdAt":"2018-06-26","modifiedAt":"2022-12-21","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=Science","dc:title":"Science"},{"@id":"https://cir.nii.ac.jp/all?q=Q","dc:title":"Q"},{"@id":"https://cir.nii.ac.jp/all?q=R","dc:title":"R"},{"@id":"https://cir.nii.ac.jp/all?q=Medicine","dc:title":"Medicine"},{"@id":"https://cir.nii.ac.jp/all?q=Article","dc:title":"Article"}],"project":[{"@id":"https://cir.nii.ac.jp/crid/1040000781994114304","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"18H03794"},{"@type":"JGN","@value":"JP18H03794"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-18H03794/"}],"notation":[{"@language":"ja","@value":"近代化以前の気候天候変動の復元に向けた革新的データ同化手法の構築"},{"@language":"en","@value":"Development of innovative data assimilation for reconstruction of weather and climate before 20th century"}]},{"@id":"https://cir.nii.ac.jp/crid/1040282256844109568","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"15KK0199"},{"@type":"JGN","@value":"JP15KK0199"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-15KK0199/"}],"notation":[{"@language":"ja","@value":"水同位体比データ同化システムを用いた大気・陸面水循環過程の詳細解明（国際共同研究強化）"},{"@language":"en","@value":"Investigation of detailed water cycle processes in atmosphere and land surface using stable water isotope data assimilation system(Fostering Joint International Research)"}]}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050001339305521792","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Long-distance transport of radioactive plume by nocturnal local 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Part II: verification of the source term and analysis of regional-scale atmospheric dispersion"}]},{"@id":"https://cir.nii.ac.jp/crid/2050025942009546368","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Model depiction of the atmospheric flows of radioactive cesium emitted from the Fukushima Daiichi Nuclear Power Station accident"}]}],"dataSourceIdentifier":[{"@type":"CROSSREF","@value":"10.1038/s41598-018-27955-4"},{"@type":"KAKEN","@value":"PRODUCT-22504729"},{"@type":"KAKEN","@value":"PRODUCT-23130245"},{"@type":"OPENAIRE","@value":"doi_dedup___::8a9995c67d031a0aecff20116d4e7777"}]}