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DOI	10.1038/s41612-018-0020-1
	The influences of El Nino and Arctic sea-ice on the QBO disruption in February 2016
	Hirota N.; Shiogama H.; Akiyoshi H.; Ogura T.; Takahashi M.; Kawatani Y.; Kimoto M.; Mori M.
发表日期	2018
ISSN	23973722
卷号	1 期号:1
英文摘要	The westerly phase of the quasi-biennial oscillation (QBO) was unexpectedly disrupted by an anomalous easterly near 40 hPa (~23 km) in February 2016. At the same time, a very strong El Nino and a very low Arctic sea-ice concentration in the Barents and Kara Sea were present. Previous studies have shown that the disruption of the QBO was primarily caused by the momentum transport of the atmospheric waves in the Northern Hemisphere. Our results indicate that the tropical waves evident over the Atlantic, Africa, and the western Pacific were associated with extratropical disturbances. Moreover, we suggest that the El Nino and sea-ice anomalies in 2016 account for approximately half of the disturbances and waves based on multiple regression analysis of the observational/reanalysis data and large-ensemble experiments using an atmospheric global climate model. © 2018, The Author(s).
语种	英语
scopus关键词	concentration (composition); easterly wave; El Nino; quasi-biennial oscillation; sea ice; westerly; Arctic Ocean; Barents Sea; Kara Sea
来源期刊	npj Climate and Atmospheric Science
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/178139
作者单位	Center for Global Environmental Research, National Institute for Environmental Studies, Tsukuba, Japan; Atmosphere and Ocean Research Institute, The University of Tokyo, Tokyo, Japan; Japan Agency for Marine-Earth Science and Technology, Yokosuka, Japan; Research Center for Advanced Science and Technology, The University of Tokyo, Tokyo, Japan
推荐引用方式 GB/T 7714	Hirota N.,Shiogama H.,Akiyoshi H.,et al. The influences of El Nino and Arctic sea-ice on the QBO disruption in February 2016[J],2018,1(1).
APA	Hirota N..,Shiogama H..,Akiyoshi H..,Ogura T..,Takahashi M..,...&Mori M..(2018).The influences of El Nino and Arctic sea-ice on the QBO disruption in February 2016.npj Climate and Atmospheric Science,1(1).
MLA	Hirota N.,et al."The influences of El Nino and Arctic sea-ice on the QBO disruption in February 2016".npj Climate and Atmospheric Science 1.1(2018).