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dc.contributor.author堀口, 光章ja
dc.contributor.author林, 泰一ja
dc.contributor.author植田, 洋匡ja
dc.contributor.alternativeHORIGUCHI, Mitsuakien
dc.contributor.alternativeHAYASHI, Taiichien
dc.contributor.alternativeUEDA, Hiromasaen
dc.date.accessioned2010-10-25T11:53:34Z-
dc.date.available2010-10-25T11:53:34Z-
dc.date.issued2003-04-01-
dc.identifier.issn0386-412X-
dc.identifier.urihttp://hdl.handle.net/2433/129138-
dc.description.abstract中立成層状態の大気境界層における組織的な乱流構造について,数値実験によりその空間構造,運動量フラックスへの寄与について調べた。地表面に近い高度では,数100mの空間スケールの平均流方向に伸びた筋状の構造が見られるが,強風域でウェイブレット係数が極値を示す場所を中心とした小領域では,地表近くより境界層の中層部まで運動量フラックスが比較的大きい値を示している。また,下降する動きを示す強風域の構造は,風上方向に傾いて地表付近より境界層の下層部に拡がっている。ja
dc.description.abstractSpatial structure and contribution to momentum flux of coherent turbulent structures in the neutrallystratified planetary boundary layer are investigated by numerical experiments. Near the surface streaky structuresare shown. These are elongated in mean wind direction and have spatial scale of several hundred meters. Largermomentum flux is shown from the height near the surface to middle layer of boundary layer in the small areasaround the extreme value of wavelet coefficient (high-speed area). The downward moving structures ofhigh-speed area extend from the height near the surface to lower part of boundary layer and tilt toward thewindward.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組織構造ja
dc.subject大気境界層ja
dc.subject乱流ja
dc.subject運動量フラックスja
dc.subjectcoherent structureen
dc.subjectplanetary boundary layeren
dc.subjectturbulenceen
dc.subjectmomentum fluxen
dc.title中立成層状態の大気境界層における組織的乱流構造(第2報)ja
dc.title.alternativeCoherent Turbulent Structures in the Planetary Boundary Layer during Neutral Stability Conditions (II)en
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.volume46-
dc.identifier.issueB-
dc.identifier.spage469-
dc.identifier.epage477-
dc.textversionpublisher-
dc.sortkey44-
dc.relation.urlhttp://www.dpri.kyoto-u.ac.jp/nenpo/nenpo.html-
dcterms.accessRightsopen access-
dc.identifier.jtitle-alternativeDisaster Prevention Research Institute Annuals. Ben
Appears in Collections:No.46 B

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