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dc.contributor.author | 上田, 学 | ja |
dc.contributor.author | 向川, 均 | ja |
dc.contributor.author | 小寺, 邦彦 | ja |
dc.contributor.author | 野口, 峻佑 | ja |
dc.contributor.alternative | UEDA, Manabu | en |
dc.contributor.alternative | MUKOUGAWA, Hitoshi | en |
dc.contributor.alternative | KODERA, Kunihiko | en |
dc.contributor.alternative | NOGUCHI, Shunsuke | en |
dc.date.accessioned | 2016-11-15T01:16:02Z | - |
dc.date.available | 2016-11-15T01:16:02Z | - |
dc.date.issued | 2016-06 | - |
dc.identifier.issn | 0386-412X | - |
dc.identifier.uri | http://hdl.handle.net/2433/217303 | - |
dc.description.abstract | An analysis method to detect emanation regions and the associated emanation period of planetary wave (PW) packets inducing the sudden stratospheric warming (SSW) is developed. The method traces a 3D wave ray of a PW packet based on its group velocity computed from the 3D wave activity flux for stationary PWs defined by Plumb. By applying the method to a SSW event occurred in December 2001, we detect two key circulation anomalies near the tropopause, from which PW packets propagate efficiently into the stratosphere and subsequently cause the SSW: one is a blocking in the North Atlantic, the other is a cyclonic anomaly residing in East Asia and the North Pacific. The important role of the latter anomaly for the occurrence of the SSW is firstly recognized in our study. | en |
dc.format.mimetype | application/pdf | - |
dc.language.iso | jpn | - |
dc.publisher | 京都大学防災研究所 | ja |
dc.publisher.alternative | Disaster Prevention Research Institute, Kyoto University | en |
dc.subject | 成層圏突然昇温 | ja |
dc.subject | 群速度 | ja |
dc.subject | 光路追跡 | ja |
dc.subject | sudden stratospheric warming | en |
dc.subject | group velocity | en |
dc.subject | ray tracing | en |
dc.subject.ndc | 519.9 | - |
dc.title | 惑星規模波束の群速度を用いた成層圏突然昇温の励起源に関する解析 | ja |
dc.title.alternative | Analysis on the Forcing Region of Sudden Stratospheric Warmings by Using Group Velocity of Planetary Wave Packets | en |
dc.type | departmental bulletin paper | - |
dc.type.niitype | Departmental Bulletin Paper | - |
dc.identifier.ncid | AN00027784 | - |
dc.identifier.jtitle | 京都大学防災研究所年報. B | ja |
dc.identifier.volume | 59 | - |
dc.identifier.issue | B | - |
dc.identifier.spage | 168 | - |
dc.identifier.epage | 179 | - |
dc.textversion | publisher | - |
dc.sortkey | 19 | - |
dc.relation.url | http://www.dpri.kyoto-u.ac.jp/nenpo/nenpo.html | - |
dcterms.accessRights | open access | - |
dc.identifier.pissn | 0386-412X | - |
dc.identifier.jtitle-alternative | Disaster Prevention Research Institute Annuals. B | en |
出現コレクション: | Vol.59 B |
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