GSTDTAP  > 气候变化
DOI10.1007/s00382-017-3675-0
Spatiotemporal change of intraseasonal oscillation intensity over the tropical Indo-Pacific Ocean associated with El Nio and La Nina events
Wu, Renguang1,2; Song, Lei1
2018-02-01
发表期刊CLIMATE DYNAMICS
ISSN0930-7575
EISSN1432-0894
出版年2018
卷号50页码:1221-1242
文章类型Article
语种英语
国家Peoples R China
英文摘要

The present study analyzes the intraseasonal oscillation (ISO) intensity change over the tropical Indo-Pacific associated with the El Nio-Southern Oscillation (ENSO) and compares the intensity change between El Nio and La Nia years and between the 10-20-day and 30-60-day ISOs. The ISO intensity change tends to be opposite between El Nio and La Nia years in the developing and mature phases. The intensity change features a contrast between the tropical southeastern Indian Ocean and the tropical western North Pacific (WNP) in the developing phases and between the Maritime Continent and the tropical central Pacific in the mature phase. In the decaying phases, the intensity change shows notable differences between El Nio and La Nia events and between fast and slow decaying El Nio events. Large intensity change is observed over the tropical WNP in the developing summer, over the tropical southeastern Indian Ocean in the developing fall, and over the tropical WNP in the fast decaying El Nio summer due to a combined effect of vertical shear, vertical motion, and lower-level moisture. In the ENSO developing summer and in the El Nio decaying summer, the 10-20-day ISO intensity change displays a northwest-southeast tilted distribution over the tropical WNP, whereas the large 30-60-day ISO intensity change is confined to the off-equatorial WNP. In the La Nia decaying summer, the 30-60-day ISO intensity change features a large zonal contrast across the Philippines, whereas the 10-20-day ISO intensity anomaly is characterized by a north-south contrast over the tropical WNP.


英文关键词10-20-day ISO 30-60-day ISO Intensity change El Nino and La Nina
领域气候变化
收录类别SCI-E
WOS记录号WOS:000425328700029
WOS关键词WESTERN NORTH PACIFIC ; MADDEN-JULIAN OSCILLATION ; SOUTH CHINA SEA ; INTERANNUAL VARIATIONS ; SUMMER MONSOON ; EAST-ASIA ; ENSO ; VARIABILITY ; ANOMALIES ; RAINFALL
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/35663
专题气候变化
作者单位1.Chinese Acad Sci, Inst Atmospher Phys, Ctr Monsoon Syst Res, Bldg 40,Beichen West Rd, Beijing 100029, Peoples R China;
2.Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Numer Modeling Atmospher Sci & Geop, Beijing, Peoples R China
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GB/T 7714
Wu, Renguang,Song, Lei. Spatiotemporal change of intraseasonal oscillation intensity over the tropical Indo-Pacific Ocean associated with El Nio and La Nina events[J]. CLIMATE DYNAMICS,2018,50:1221-1242.
APA Wu, Renguang,&Song, Lei.(2018).Spatiotemporal change of intraseasonal oscillation intensity over the tropical Indo-Pacific Ocean associated with El Nio and La Nina events.CLIMATE DYNAMICS,50,1221-1242.
MLA Wu, Renguang,et al."Spatiotemporal change of intraseasonal oscillation intensity over the tropical Indo-Pacific Ocean associated with El Nio and La Nina events".CLIMATE DYNAMICS 50(2018):1221-1242.
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