Indo-Pacific climate during the decaying phase of the 2015/16 El Nio: role of southeast tropical Indian Ocean warming

CORC > 南海海洋研究所 > 中国科学院南海海洋研究所 > 热带海洋环境国家重点实验室(LTO)

	Indo-Pacific climate during the decaying phase of the 2015/16 El Nio: role of southeast tropical Indian Ocean warming
	Chen, ZS; Du, Y; Wen, ZP; Wu, RG; Wang, CZ
刊名	CLIMATE DYNAMICS
	2018
卷号	50 期号:2018-11-12 页码:4707-4719
关键词	SETIO SST warming 2015/16 El Nino Anomalous anticyclone "C-shape" wind anomaly pattern Indo-Pacific climate
通讯作者	duyan@scsio.ac.cn
英文摘要	This study investigates the influence of southeast tropical Indian Ocean (SETIO) sea surface temperature (SST) warming on Indo-Pacific climate during the decaying phase of the 2015/16 El Nio by using observations and model experiments. The results show that the SETIO SST warming in spring 2016 enhanced local convection and forced a "C-shape" wind anomaly pattern in the lower troposphere. The "C-shape" wind anomaly pattern over the eastern tropical Indian Ocean consists of anomalous westerly flow south of the equator and anomalous easterly flow north of the equator. The anomalous easterly flow then extended eastward into the western North Pacific (WNP) and facilitates the development or the maintenance of an anomalous anticyclone over the South China Sea (SCS). Correspondingly, the eastern part of the Bay of Bengal, the SCS and the WNP suffered less rainfall. Such precipitation features and the associated "C-shape" wind anomaly pattern shifted northward about five latitudes in summer 2016. Additionally, the SETIO warming can induce local meridional circulation anomalies, which directly affect Indo-Pacific climate. Numerical model experiments further confirm that the SETIO SST warming plays an important role in modulating Indo-Pacific climate.
学科主题	Meteorology & Atmospheric Sciences
内容类型	期刊论文
源URL	[http://ir.scsio.ac.cn/handle/344004/17069]
专题	南海海洋研究所_热带海洋环境国家重点实验室(LTO)
推荐引用方式 GB/T 7714	Chen, ZS,Du, Y,Wen, ZP,et al. Indo-Pacific climate during the decaying phase of the 2015/16 El Nio: role of southeast tropical Indian Ocean warming[J]. CLIMATE DYNAMICS,2018,50(2018-11-12):4707-4719.
APA	Chen, ZS,Du, Y,Wen, ZP,Wu, RG,&Wang, CZ.(2018).Indo-Pacific climate during the decaying phase of the 2015/16 El Nio: role of southeast tropical Indian Ocean warming.CLIMATE DYNAMICS,50(2018-11-12),4707-4719.
MLA	Chen, ZS,et al."Indo-Pacific climate during the decaying phase of the 2015/16 El Nio: role of southeast tropical Indian Ocean warming".CLIMATE DYNAMICS 50.2018-11-12(2018):4707-4719.