GSTDTAP  > 地球科学
DOI10.1038/s41561-017-0005-4
Rediscovery of the doldrums in storm-resolving simulations over the tropical Atlantic
Klocke, Daniel1,2; Brueck, Matthias3; Hohenegger, Cathy3; Stevens, Bjorn3
2017-12-01
发表期刊NATURE GEOSCIENCE
ISSN1752-0894
EISSN1752-0908
出版年2017
卷号10期号:12
文章类型Article
语种英语
国家Germany
英文摘要

The doldrums - a zone of calm and variable winds in the deep tropics between the trades - were of key importance to nineteenth century maritime travel. As a result, the region was a focus in atmospheric science at that time. However, as sailing ships were replaced by steamboats, scientific interest shifted to the heavy precipitating storms within the doldrums: the deep convective systems of the intertropical convergence zone. Now, in storm-system-resolving simulations over a period of two months that cover a large part of the tropical Atlantic, the doldrums are one of the most prominent features. The doldrums are substantially less pronounced in coarser-resolution simulations that use a parameterization for convection, despite their large-scale extent. We conclude that explicitly representing the storm scale dynamics and their coupling to the surface wind on the storm-system scales helps to maintain the systems of winds that define the doldrums. We suggest that the lack of these wind systems could explain the persistent tropical precipitation biases in climate models.


领域地球科学 ; 气候变化
收录类别SCI-E
WOS记录号WOS:000416858000008
WOS关键词CONVECTION ; MODEL ; ITCZ ; CIRCULATION ; PARAMETERIZATION ; RESOLUTION ; EXPLICIT ; BIASES
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/35160
专题地球科学
气候变化
作者单位1.Deutsch Wetterdienst, Offenbach, Germany;
2.Hans Ertel Zentrum Wetterforsch, Offenbach, Germany;
3.Max Planck Inst Meteorol, Hamburg, Germany
推荐引用方式
GB/T 7714
Klocke, Daniel,Brueck, Matthias,Hohenegger, Cathy,et al. Rediscovery of the doldrums in storm-resolving simulations over the tropical Atlantic[J]. NATURE GEOSCIENCE,2017,10(12).
APA Klocke, Daniel,Brueck, Matthias,Hohenegger, Cathy,&Stevens, Bjorn.(2017).Rediscovery of the doldrums in storm-resolving simulations over the tropical Atlantic.NATURE GEOSCIENCE,10(12).
MLA Klocke, Daniel,et al."Rediscovery of the doldrums in storm-resolving simulations over the tropical Atlantic".NATURE GEOSCIENCE 10.12(2017).
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