DOI: 10.1007/s00382-013-2044-x
Scopus记录号: 2-s2.0-84891656344
论文题名: Locally and remotely forced atmospheric circulation anomalies of Ningaloo Niño/Niña
作者: Tozuka T. ; Kataoka T. ; Yamagata T.
刊名: Climate Dynamics
ISSN: 9307575
出版年: 2014
卷: 43, 期: 2017-07-08 起始页码: 2197
结束页码: 2205
语种: 英语
英文关键词: Atmospheric general circulation model
; Interannual variation
; Ningaloo Niño/Niña
; Southeastern Indian Ocean
英文摘要: A recently identified climate mode called Ningaloo Niño (Niña) is associated with positive (negative) sea surface temperature (SST) anomalies off the west coast of Australia and negative (positive) sea level pressure (SLP) anomalies in the overlying atmosphere. By conducting a series of numerical experiments with an atmospheric general circulation model, generation mechanisms of the atmospheric circulation anomalies accompanied by Ningaloo Niño/Niña are examined. Even when SST is allowed to vary interannually only in the eastern South Indian Ocean, negative (positive) SLP anomalies are formed off the west coast of Australia in Ningaloo Niño (Niña) years, supporting the existence of local ocean–atmosphere interaction. When the model is forced by SST anomalies outside of the eastern South Indian Ocean, negative (positive) SLP anomalies are also generated in Ningaloo Niño (Niña) years owing to a Matsuno–Gill type response to atmospheric convection anomalies in the tropical Pacific. It is found that the latter impact is stronger in the current atmospheric general circulation model. Regarding climatic impacts, it is shown that Ningaloo Niño (Niña) induces wet (dry) anomalies over the northwestern part of Australia even when SST anomalies outside of the eastern South Indian Ocean are excluded from the SST forcing. © 2014, Springer-Verlag Berlin Heidelberg. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/54536
Appears in Collections: 过去全球变化的重建
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作者单位: Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan; Application Laboratory, JAMSTEC, Yokohama, Kanagawa, Japan
Recommended Citation:
Tozuka T.,Kataoka T.,Yamagata T.. Locally and remotely forced atmospheric circulation anomalies of Ningaloo Niño/Niña[J]. Climate Dynamics,2014-01-01,43(2017-07-08)