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DOI10.1175/JCLI-D-17-0613.1
Weakening of Northwest Pacific Anticyclone Anomalies during Post-El Nino Summers under Global Warming
Jiang, Wenping1,2; Huang, Gang1,2,3; Huang, Ping1,4; Hu, Kaiming1,4
2018-05-01
发表期刊JOURNAL OF CLIMATE
ISSN0894-8755
EISSN1520-0442
出版年2018
卷号31期号:9页码:3539-3555
文章类型Article
语种英语
国家Peoples R China
英文摘要

The northwest Pacific anticyclone (NWPAC) anomalies during post-El Nino summers are a key predictor of the summer climate in East Asia and the northwestern Pacific (NWP). Understanding how this will change under global warming is crucial to project the changes in the variability of the northwest Pacific summer monsoon. Outputs from 18 selected coupled models from phase 5 of the Coupled Model Intercomparison Project show that the anomalous NWPAC response to El Nino will likely be weakened under global warming, which is attributed to the decreased zonal contrast between the tropical Indian Ocean (TIO) warming and the NWP cooling during post-ElNino summers. Under global warming, the NWPAC anomalies during the El Nino mature winter are weakened because of decreased atmospheric circulation in response to El Nino-Southern Oscillation (ENSO), which leads to the weakening of local air-sea interaction and then decreases the cold NWP SST anomalies. Furthermore, the decreased surface heat flux anomalies, the weakened anticyclone anomalies over the southeastern Indian Ocean, and the slackened anomalous easterlies over the north Indian Ocean weaken the warm TIO SST anomalies. However, the strengthened tropospheric temperature anomalies could enhance the anomalous TIO warming. Although the changes in TIO SST anomalies are indistinctive, the weakening of the SST anomaly gradient between the TIO and the NWP is robust to weaken the NWPAC anomalies during post-El Nino summers. Moreover, the positive feedback between the TIO-NWP SST anomalies and the NWPAC anomalies will enhance the weakening of NWPAC under global warming.


领域气候变化
收录类别SCI-E
WOS记录号WOS:000429529900011
WOS关键词INDO-WESTERN PACIFIC ; TROPICAL INDIAN-OCEAN ; EAST-ASIAN CLIMATE ; INTERANNUAL VARIABILITY ; INTERDECADAL VARIATIONS ; CMIP5 MODELS ; PART I ; TEMPERATURE-VARIATIONS ; ENSO ; MONSOON
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
引用统计
被引频次:32[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/19625
专题气候变化
作者单位1.Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Numer Modeling Atmospher Sci & Geop, Beijing, Peoples R China;
2.Univ Chinese Acad Sci, Beijing, Peoples R China;
3.Qingdao Natl Lab Marine Sci & Technol, Lab Reg Oceanog & Numer Modeling, Qingdao, Peoples R China;
4.Chinese Acad Sci, Inst Atmospher Phys, Ctr Monsoon Syst Res, Beijing, Peoples R China
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GB/T 7714
Jiang, Wenping,Huang, Gang,Huang, Ping,et al. Weakening of Northwest Pacific Anticyclone Anomalies during Post-El Nino Summers under Global Warming[J]. JOURNAL OF CLIMATE,2018,31(9):3539-3555.
APA Jiang, Wenping,Huang, Gang,Huang, Ping,&Hu, Kaiming.(2018).Weakening of Northwest Pacific Anticyclone Anomalies during Post-El Nino Summers under Global Warming.JOURNAL OF CLIMATE,31(9),3539-3555.
MLA Jiang, Wenping,et al."Weakening of Northwest Pacific Anticyclone Anomalies during Post-El Nino Summers under Global Warming".JOURNAL OF CLIMATE 31.9(2018):3539-3555.
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