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Impact of the Vertical Resolution of Analysis Data on the Estimates of Large-Scale Inertio-Gravity Energy
http://hdl.handle.net/2241/118368
http://hdl.handle.net/2241/118368733183f5-05f6-40d8-aa04-2ba4813e3f2a
名前 / ファイル | ライセンス | アクション |
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MWR_140-7.pdf (96.3 kB)
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Item type | Journal Article(1) | |||||
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公開日 | 2013-02-22 | |||||
タイトル | ||||||
タイトル | Impact of the Vertical Resolution of Analysis Data on the Estimates of Large-Scale Inertio-Gravity Energy | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Žagar, Nedjeljka
× Žagar, Nedjeljka× Terasaki, Koji× Tanaka, Hiroshi L. |
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著者別名 |
田中, 博
× 田中, 博 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | This paper deals with the large-scale inertio-gravity (IG) wave energy in the operational ECMWF analyses in July 2007. Energy percentages of the IG waves obtained from the standard-pressure-level data are compared to those derived from various discretizations of the model-level data. The results show a small albeit systematic increase of the IG energy percentage as the vertical level density increases from the standard-pressure levels toward the model-level density; the small relative change is explained by the sufficient vertical resolution to resolve the large-scale IG waves in the tropics that make the majority of the global IG energy on large scales. A relatively larger increase of the IG energy is obtained when the mesospheric model levels are included; however, the analyses at these levels in July 2007 are less reliable. Furthermore, two numerical methods for the normal-mode function (NMF) decomposition are shown to provide similar results. The decomposition of atmospheric analyses into the NMF series is proposed as a tool to analyze the spatial and temporal variations of the large-scale equatorial waves and their role in global energetics. | |||||
書誌情報 |
Monthly weather review 巻 140, 号 7, p. 2297-2307, 発行日 2012-07 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0027-0644 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA0074822X | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1175/MWR-D-11-00103.1 | |||||
権利 | ||||||
権利情報 | © 2012 American Meteorological Society | |||||
著者版フラグ | ||||||
値 | author | |||||
出版者 | ||||||
出版者 | American Meteorological Society | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2241/118368 | |||||
識別子タイプ | HDL |