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dc.contributor.author小園, 誠史ja
dc.contributor.author三輪, 学央ja
dc.contributor.author眞木, 雅之ja
dc.contributor.author前坂, 剛ja
dc.contributor.author味喜, 大介ja
dc.contributor.author井口, 正人ja
dc.contributor.alternativeKOZONO, Tomofumien
dc.contributor.alternativeMIWA, Takahiroen
dc.contributor.alternativeMAKI, Masayukien
dc.contributor.alternativeMAESAKA, Takeshien
dc.contributor.alternativeMIKI, Daisukeen
dc.contributor.alternativeIGUCHI, Masatoen
dc.date.accessioned2016-04-07T02:41:02Z-
dc.date.available2016-04-07T02:41:02Z-
dc.date.issued2015-06-
dc.identifier.issn0386-412X-
dc.identifier.urihttp://hdl.handle.net/2433/210086-
dc.description.abstractThe diameter and the fall velocity of tephra fall at Sakurajima volcano were measured on-site by a laser-optical Particle Size Velocity (PARSIVEL) disdrometer. Using the measured diameter and fall velocity, we obtained an empirical diameter-velocity relationship and a particle size distribution for tephra fall. The size distribution is explained by an exponential distribution as a first-order approximation. On the basis of high time resolution (each minute) measurements data, we found that both the diameter and the fall velocity of tephra fall systematically decrease with time. These results are useful for comparison with radar observations, and provide constraints on the dynamics of eruption column and tephra dispersion.en
dc.format.mimetypeapplication/pdf-
dc.language.isojpn-
dc.publisher京都大学防災研究所ja
dc.publisher.alternativeDisaster Prevention Research Institute, Kyoto Universityen
dc.subject降下火山灰ja
dc.subjectパーシベルja
dc.subject粒径分布ja
dc.subject桜島火山ja
dc.subjecttephra fallen
dc.subjectPARSIVELen
dc.subjectparticle size distributionen
dc.subjectSakurajima volcanoen
dc.subject.ndc519.9-
dc.title桜島火山におけるパーシベルによる降下火山灰の観測ja
dc.title.alternativePARSIVEL Tephra-fall Observations at Sakurajima Volcanoen
dc.typedepartmental bulletin paper-
dc.type.niitypeDepartmental Bulletin Paper-
dc.identifier.ncidAN00027784-
dc.identifier.jtitle京都大学防災研究所年報. Bja
dc.identifier.volume58-
dc.identifier.issueB-
dc.identifier.spage86-
dc.identifier.epage90-
dc.textversionpublisher-
dc.sortkey12-
dc.relation.urlhttp://www.dpri.kyoto-u.ac.jp/nenpo/nenpo.html-
dcterms.accessRightsopen access-
dc.identifier.pissn0386-412X-
dc.identifier.jtitle-alternativeDisaster Prevention Research Institute Annuals. Ben
出現コレクション:Vol.58 B

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