Double intertropical convergence zones over the eastern Pacific Ocean: Contrasting impacts of the eastern Pacific- and central Pacific-type El Ninos

doi:10.1002/asl.852

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)

	Double intertropical convergence zones over the eastern Pacific Ocean: Contrasting impacts of the eastern Pacific- and central Pacific-type El Ninos
	Yan, Li ; Li, Gen 1
刊名	ATMOSPHERIC SCIENCE LETTERS
	2018
卷号	19 期号:10 页码:UNSP e852
关键词	CP-type El Nino double ITCZs EP-type El Nino equatorial rainfall north-south asymmetry
ISSN号	1530-261X
DOI	10.1002/asl.852
英文摘要	A double intertropical convergence zone (ITCZ) with poor equatorial rainfall over the eastern Pacific Ocean distinctively occurs in March-April. Here we find that double ITCZs and equatorial precipitation are strongly linked to meridionally symmetric (or asymmetric) sea surface temperature (SST) anomaly patterns during eastern Pacific (EP)-type (or central Pacific [CP]-type) El Nino episodes. EP-type El Nino weakens the north-south asymmetry of the eastern Pacific double ITCZs by moving them equatorward. In contrast, CP-type El Nino strengthens the north-south asymmetry of the double ITCZs by strengthening the northern ITCZ and weakening the southern ITCZ. While EP-type El Nino brings unique flourishing Galapagos Islands owing to warm equatorial SST anomalies with major local and remote climate effects, CP-type El Nino causes drier Galapagos Islands by decreasing equatorial eastern Pacific SST. This study highlights the distinctly different climate effects of EP- and CP-type El Ninos in the region.
内容类型	期刊论文
源URL	[http://ir.scsio.ac.cn/handle/344004/17566]
专题	南海海洋研究所_热带海洋环境国家重点实验室(LTO)
作者单位	1.Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou, Guangdong, Peoples R China 2.Hohai Univ, Coll Oceanog, Nanjing, Jiangsu, Peoples R China
推荐引用方式 GB/T 7714	Yan, Li,Li, Gen. Double intertropical convergence zones over the eastern Pacific Ocean: Contrasting impacts of the eastern Pacific- and central Pacific-type El Ninos[J]. ATMOSPHERIC SCIENCE LETTERS,2018,19(10):UNSP e852.
APA	Yan, Li,&Li, Gen.(2018).Double intertropical convergence zones over the eastern Pacific Ocean: Contrasting impacts of the eastern Pacific- and central Pacific-type El Ninos.ATMOSPHERIC SCIENCE LETTERS,19(10),UNSP e852.
MLA	Yan, Li,et al."Double intertropical convergence zones over the eastern Pacific Ocean: Contrasting impacts of the eastern Pacific- and central Pacific-type El Ninos".ATMOSPHERIC SCIENCE LETTERS 19.10(2018):UNSP e852.