Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2019GL085777 |
Diabatic Heating as a Pathway for Cyclone Clustering Encompassing the Extreme Storm Dagmar | |
Weijenborg, C.1,2; Spengler, T.1,2 | |
2020-04-28 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2020 |
卷号 | 47期号:8 |
文章类型 | Article |
语种 | 英语 |
国家 | Norway |
英文摘要 | Contrary to the general notion that extratropical cyclones reduce baroclinicity, the baroclinicity is found to be enhanced in the wake of the extreme winter storm Dagmar. Thus, individual storms can increase baroclinicity, yielding a pathway to secondary cyclogenesis and cyclone clustering. We use a recently introduced diagnostic for baroclinicity-the tendency equation for the isentropic slope-and found that strong diabatic heating due to moisture supply from the subtropical Atlantic led to the enhanced baroclinicity in the rear of Dagmar. Storms ensuing Dagmar benefited from this increased baroclinicity. In contrast to previous studies on the mechanisms of cyclone clustering, we only find weak evidence for Rossby wave breaking and thus propose diabatic heating as an alternative pathway to cyclone clustering. |
英文关键词 | Baroclinicity Extratropical cyclone Cyclone clustering Storm tracks Atmospheric River Jet stream |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000530332600031 |
WOS关键词 | WAVE-BREAKING ; EXTRATROPICAL CYCLONES ; SOUTHERN-HEMISPHERE ; LIFE-CYCLE ; BAROCLINICITY ; CLIMATOLOGY ; ENERGY ; JET |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
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/279866 |
专题 | 气候变化 |
作者单位 | 1.Univ Bergen, Geophys Inst, Bergen, Norway; 2.Bjerknes Ctr Climate Res, Bergen, Norway |
推荐引用方式 GB/T 7714 | Weijenborg, C.,Spengler, T.. Diabatic Heating as a Pathway for Cyclone Clustering Encompassing the Extreme Storm Dagmar[J]. GEOPHYSICAL RESEARCH LETTERS,2020,47(8). |
APA | Weijenborg, C.,&Spengler, T..(2020).Diabatic Heating as a Pathway for Cyclone Clustering Encompassing the Extreme Storm Dagmar.GEOPHYSICAL RESEARCH LETTERS,47(8). |
MLA | Weijenborg, C.,et al."Diabatic Heating as a Pathway for Cyclone Clustering Encompassing the Extreme Storm Dagmar".GEOPHYSICAL RESEARCH LETTERS 47.8(2020). |
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