气候变化领域集成服务门户(CCPortal): A look at the relationship between the large-scale tropospheric static stability and the tropical cyclone maximum intensity

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DOI	10.1175/JCLI-D-19-0307.1
	A look at the relationship between the large-scale tropospheric static stability and the tropical cyclone maximum intensity
	Downs A.; Kieu C.
发表日期	2020
ISSN	0894-8755
起始页码	959
结束页码	975
卷号	33 期号:3
英文摘要	Various modeling and observational studies have suggested that tropical cyclone (TC) intensity tends to increase in the future due to projected warmer sea surface temperature (SST). This study examines the effects of the tropospheric stratification that could potentially offset the direct increase of TC intensity associated with the warmer SST. Using reanalysis datasets and TC records in the northwestern Pacific and the North Atlantic basins, it is shown that there exists a consistently negative correlation between the annually averaged TC intensity and the basinwide average of the tropospheric static stability. This negative correlation is more robust in the northwestern Pacific basin when using the TC lifetime maximum intensity but is somewhat less significant in the North Atlantic basin. Further separation of the troposphere into a lower (1000-500 hPa) and an upper layer (500-200 hPa) reveals that it is the upper-tropospheric static stability that plays a more dominant role in governing the TC intensity variability. The negating effects of a stable troposphere on TC intensity as found in this study suggest a partial offset of the projected increase in the TC potential intensity due to the future warmer SST. Thus, the tropospheric static stability is one of the key large-scale factors that need to be properly taken into account in studies of long-term TC intensity change. © 2020 American Meteorological Society. For information regarding reuse of this content and general copyright information, consult the AMS Copyright Policy (www.ametsoc.org/PUBSReuseLicenses).
英文关键词	Oceanography; Stability; Surface waters; Tropics; Troposphere; Intensity change; Maximum intensities; Negative correlation; North Atlantic; Observational study; Sea surface temperature (SST); Static stability; Tropical cyclone; Hurricanes; climate modeling; climate prediction; correlation; numerical model; precipitation intensity; sea surface temperature; tropical cyclone; troposphere; Atlantic Ocean; Atlantic Ocean (North); Pacific Ocean; Pacific Ocean (Northwest)
语种	英语
来源期刊	Journal of Climate
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/171468
作者单位	Department of Earth and Atmospheric Sciences, Indiana University, Bloomington, IN, United States
推荐引用方式 GB/T 7714	Downs A.,Kieu C.. A look at the relationship between the large-scale tropospheric static stability and the tropical cyclone maximum intensity[J],2020,33(3).
APA	Downs A.,&Kieu C..(2020).A look at the relationship between the large-scale tropospheric static stability and the tropical cyclone maximum intensity.Journal of Climate,33(3).
MLA	Downs A.,et al."A look at the relationship between the large-scale tropospheric static stability and the tropical cyclone maximum intensity".Journal of Climate 33.3(2020).