DOI: 10.1002/joc.5522
论文题名: Precipitation anomalies in the Pan-Asian monsoon region during El Niño decaying summer 2016
作者: Gao Y. ; Wang H. ; Chen D.
刊名: International Journal of Climatology
ISSN: 8998418
出版年: 2018
卷: 38, 期: 9 起始页码: 3618
结束页码: 3632
语种: 英语
英文关键词: ENSO
; Indian Ocean SST
; Maritime Continent SST
; precipitation anomaly in 2016
; western North Pacific subtropical high
Scopus关键词: Atmospheric pressure
; Atmospheric thermodynamics
; Climatology
; Rain
; Surface waters
; Tropics
; ENSO
; Indian ocean
; Maritime Continent
; Precipitation anomalies
; Western North Pacific
; Oceanography
; anomaly
; atmospheric moisture
; El Nino
; El Nino-Southern Oscillation
; monsoon
; precipitation (climatology)
; rainfall
; sea surface temperature
; summer
; Arabian Sea
; Bay of Bengal
; China
; East China Sea
; Indian Ocean
; Indochina
; Pacific Ocean
; Pacific Ocean (North)
; Philippine Sea
; South China Sea
; Yangtze River
英文摘要: The El Niño-Southern Oscillation (ENSO) has an intimate relationship with Asian summer monsoon precipitation. Previous study pointed out that the most recent 2015–2016 El Niño event is tied with the 1997–1998 and 1982–1983 El Niño events as the strongest event since 1950, which may result in catastrophe in Asian monsoon region. Therefore, in this article, we mainly focus on the anomalous precipitation pattern in the Pan-Asian monsoon region during MJJ 2016 and its impact factors. Results show that the summer precipitation anomalies display a meridional tripole pattern from north to south in the Pan-Asian monsoon region during 2016. This pattern indicates that the anomalous increased rainfall is located over the middle–lower reaches of the Yangtze River valley–East China Sea (ECS) and the tropical eastern Indian Ocean–western Maritime Continent, while the anomalous decreased rainfall is located over the South China Sea (SCS)–Philippine Sea. Results suggest that the preceding winter and spring ENSO and the simultaneous summer Maritime Continent sea surface temperature (SST) are the primary impact factors of the pattern of tripole precipitation anomalies in the Pan-Asian monsoon region during MJJ 2016. The preceding ENSO can intensify the western North Pacific subtropical high (WPSH), which results in the anomalous decrease in precipitation over the Indo-China Peninsula–Philippine Sea. Meanwhile, more moisture is transported from the northwestern flank of WPSH to the Yangtze River valley–ESC to increase rainfall. In the ENSO decaying summer, the Maritime Continent SST anomalous warming induces an anomalous convergence in situ, which increases the local precipitation. Later, this warming can intensify the WPSH through the local meridional circulation. The north Indian Ocean SST, including Arabian Sea and Bay of Bengal, also has a high relationship with tripole precipitation pattern, but it cannot induce this tripole rainfall pattern, which establishes the linkage through the extending WPSH. © 2018 Royal Meteorological Society Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/116837
Appears in Collections: 气候减缓与适应
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作者单位: Nansen-Zhu International Research Centre, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China; Key Laboratory of Meteorological Disaster/Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, Nanjing University of Information Science and Technology, Nanjing, China
Recommended Citation:
Gao Y.,Wang H.,Chen D.. Precipitation anomalies in the Pan-Asian monsoon region during El Niño decaying summer 2016[J]. International Journal of Climatology,2018-01-01,38(9)