Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1002/2017JD027053 |
Extraordinary Features of the Planetary Wave Propagation During the Boreal Winter 2013/2014 and the Zonal Wave Number Two Predominance | |
Harada, Y.1; Hirooka, T.2 | |
2017-11-16 | |
发表期刊 | JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES |
ISSN | 2169-897X |
EISSN | 2169-8996 |
出版年 | 2017 |
卷号 | 122期号:21 |
文章类型 | Article |
语种 | 英语 |
国家 | Japan |
英文摘要 | Observational features of the winter 2013/2014 are investigated using of the Japanese 55-year Reanalysis data. This winter can be characterized by the continuous predominance of planetary waves of zonal wave number two (WN2) that did not cause major sudden stratospheric warming (SSW) events. It is found that the vertical component of the Eliassen-Palm flux of WN2 for the winter 2013/2014 is almost equal to the highest value of the winter 2008/2009. The longitudinal distribution of vertical components of Plumb wave activity flux for this winter shows marked downward propagation around 100 degrees W and upward propagation around 60 degrees E, both of which are the strongest of their type among the 56 winters since 1958/1959. The convergence of wave packets propagating from around 60 degrees E contributes to the development and continuance of the quasi-barotropic Aleutian High, which is associated with the extension of negative extended refractive index (K-s) region. The extension of negative K-s region is related to the convergence or reflection of the wave packets emanating from tropospheric blocking highs developing in the North Pacific Ocean; the development and continuance of the quasi-barotropic Aleutian High is considered to be one of plausible reasons for the lack of major SSWs in the winter 2013/2014. In addition to these results, we revealed the significant contribution of smaller scale waves (with a zonal wave number of three or more) to the structure of localized wave packet propagation in the stratosphere. |
英文关键词 | sudden stratospheric warming stratosphere zonal wavenumber two wave packet propagation Aleutian High planetary wave |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000417195500016 |
WOS关键词 | STRATOSPHERIC SUDDEN WARMINGS ; TROPOSPHERIC BLOCKING ; SOUTHERN-HEMISPHERE ; NORTHERN-HEMISPHERE ; VARIABILITY ; EVENTS ; ENSO |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/32241 |
专题 | 气候变化 |
作者单位 | 1.Meteorol Res Inst, Climate Res Dept, Tsukuba, Ibaraki, Japan; 2.Kyushu Univ, Dept Earth & Planetary Sci, Fukuoka, Japan |
推荐引用方式 GB/T 7714 | Harada, Y.,Hirooka, T.. Extraordinary Features of the Planetary Wave Propagation During the Boreal Winter 2013/2014 and the Zonal Wave Number Two Predominance[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2017,122(21). |
APA | Harada, Y.,&Hirooka, T..(2017).Extraordinary Features of the Planetary Wave Propagation During the Boreal Winter 2013/2014 and the Zonal Wave Number Two Predominance.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,122(21). |
MLA | Harada, Y.,et al."Extraordinary Features of the Planetary Wave Propagation During the Boreal Winter 2013/2014 and the Zonal Wave Number Two Predominance".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 122.21(2017). |
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