IOCAS-IR  > 海洋环流与波动重点实验室
An aftereffect of global warming on tropical Pacific decadal variability
Zheng Jian1,2; Liu Qinyu3; Wang Chuanyang3
2018-03-01
Source PublicationJOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN2096-5508
Volume36Issue:2Pages:193-204
Corresponding AuthorZheng Jian(zhengjian@qdio.ac.cn)
AbstractStudies have shown that global warming over the past six decades can weaken the tropical Pacific Walker circulation and maintain the positive phase of the Interdecadal Pacific Oscillation (IPO). Based on observations and model simulations, another aftereffect of global warming on IPO is found. After removing linear trends (global warming signals) from observations, however, the tropical Pacific climate still exhibited some obvious differences between two IPO negative phases. The boreal winter (DJF) equatorial central-eastern Pacific sea surface temperature (SST) was colder during the 1999-2014 period (P2) than that during 1961-1976 (P1). This difference may have been a result of global warming nonlinear modulation of precipitation; i.e., in the climatological rainy region, the core area of the tropical Indo-western Pacific warm pool receives more precipitation through the "wet-get-wetter" mechanism. Positive precipitation anomalies in the warm pool during P2 are much stronger than those during P1, even after subtracting the linear trend. Corresponding to the differences of precipitation, the Pacific Walker circulation is stronger in P2 than in P1. Consequent easterly winds over the equatorial Pacific led to a colder equatorial eastern-central Pacific during P2. Therefore, tropical Pacific climate differences between the two negative IPO phases are aftereffects of global warming. These aftereffects are supported by the results of coupled climate model experiments, with and without global warming.
Keywordtropical Indo-Pacific sea surface temperature (SST) precipitation Walker circulation interdecadal Pacific Oscillation (IPO)
DOI10.1007/s00343-017-6267-2
Indexed BySCI
Language英语
Funding ProjectChina Scholarship Council
WOS Research AreaMarine & Freshwater Biology ; Oceanography
WOS SubjectLimnology ; Oceanography
WOS IDWOS:000431662200001
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/158933
Collection海洋环流与波动重点实验室
Corresponding AuthorZheng Jian
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Wave, Qingdao, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Ocean & Climate Dynam, Qingdao 266071, Peoples R China
3.Ocean Univ China, Qingdao Collaborat Innovat Ctr Marine Sci & Techn, Key Lab Ocean Atmosphere Interact & Climate Univ, Phys Oceanog Lab, Qingdao 266000, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zheng Jian,Liu Qinyu,Wang Chuanyang. An aftereffect of global warming on tropical Pacific decadal variability[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2018,36(2):193-204.
APA Zheng Jian,Liu Qinyu,&Wang Chuanyang.(2018).An aftereffect of global warming on tropical Pacific decadal variability.JOURNAL OF OCEANOLOGY AND LIMNOLOGY,36(2),193-204.
MLA Zheng Jian,et al."An aftereffect of global warming on tropical Pacific decadal variability".JOURNAL OF OCEANOLOGY AND LIMNOLOGY 36.2(2018):193-204.
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