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Evaluation of performance of CMIP5 models in simulating the North Pacific Oscillation and El Nino Modoki
Wang, Xin1; Chen, Mengyan2; Wang, Chunzai; Yeh, Sang-Wook; Tan, Wei1,4
2019
Source PublicationCLIMATE DYNAMICS
ISSN0930-7575
Volume52Issue:2019-03-04Pages:1383
AbstractPrevious observational studies have documented that the occurrence frequency of El Nino Modoki is closely linked to the North Pacific Oscillation (NPO). The present paper evaluates the relationships between the frequency of El Nino Modoki and the NPO in the historical runs of the Coupled Model Intercomparison Project Phase 5 (CMIP5) and examines the related physical processes. It is found that six of 25 CMIP5 models can reproduce both the spatial patterns of the NPO and El Nino Modoki. Four of these six models exhibit good performance in simulating the positive correlation between the NPO index and the frequency of El Nino Modoki. The analyses further show that the key physical processes determining the relationships between the NPO and the frequency of El Nino Modoki are the intensity of wind-evaporation-SST (WES) feedback in the subtropical northeastern North Pacific. This study enhances the understanding of the connections between the North Pacific mid-latitude climate system and El Nino Modoki, and has an important implication for the change of El Nino Modoki under global warming. If global warming favors to produce an oceanic and atmospheric pattern similar to the positive phase of the NPO in the North Pacific, more El Nino Modoki events will occur in the tropical Pacific with the assistance of the WES feedback processes.
DepartmentLTO
KeywordEl Nino Modoki North Pacific Oscillation CMIP5 climate models
DOI10.1007/s00382-018-4196-1
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/17766
Collection热带海洋环境国家重点实验室(LTO)
Affiliation1.Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, 164 West Xingang Rd, Guangzhou 510301, Guangdong, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Reg Oceanog & Numer Modeling, Qingdao 266237, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Hanyang Univ, Dept Marine Sci & Convergent Technol, Ansan, South Korea
5.State Ocean Adm, Inst Oceanog 1, Qingdao 266061, Peoples R China
Recommended Citation
GB/T 7714
Wang, Xin,Chen, Mengyan,Wang, Chunzai,et al. Evaluation of performance of CMIP5 models in simulating the North Pacific Oscillation and El Nino Modoki[J]. CLIMATE DYNAMICS,2019,52(2019-03-04):1383, 1394.
APA Wang, Xin,Chen, Mengyan,Wang, Chunzai,Yeh, Sang-Wook,&Tan, Wei.(2019).Evaluation of performance of CMIP5 models in simulating the North Pacific Oscillation and El Nino Modoki.CLIMATE DYNAMICS,52(2019-03-04),1383.
MLA Wang, Xin,et al."Evaluation of performance of CMIP5 models in simulating the North Pacific Oscillation and El Nino Modoki".CLIMATE DYNAMICS 52.2019-03-04(2019):1383.
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