globalchange  > 全球变化的国际研究计划
DOI: 10.1002/joc.5785
Scopus ID: 2-s2.0-85052851745
Title:
Impact of south Indian Ocean Dipole on tropical cyclone genesis over the South China Sea
Author: Wang T.; Lu X.; Yang S.
Source Publication: International Journal of Climatology
ISSN: 8998418
Publishing Year: 2019
Volume: 39, Issue:1
pages begin: 101
pages end: 111
Language: 英语
Keyword: South China Sea ; south Indian Ocean Dipole ; tropical cyclones
Scopus Keyword: Atmospheric pressure ; Hurricanes ; Oceanography ; Storms ; Surface waters ; Tropics ; Inter-decadal variability ; Interannual variation ; Sea surface temperature (SST) ; South China sea ; South Indian Ocean ; Southern oscillation ; Tropical cyclone ; Vertical circulation ; Rain ; annual variation ; decadal variation ; El Nino-Southern Oscillation ; Indian Ocean Dipole ; sea surface temperature ; seasonal variation ; tropical cyclone ; Pacific Ocean ; South China Sea
English Abstract: This study investigates the impact of the south Indian Ocean Dipole (SIOD) on the frequency of tropical cyclones (TCs) over the South China Sea (SCS) in summer (May–August) and winter (September–December) for 1975–2012. The frequency of TCs over the SCS shows significant inter-annual variations in the two seasons and relatively obvious inter-decadal variability in summer. A prominent relationship occurs between the TC generation over the SCS and the SIOD, and the latter can be regarded as a good predictor of the former on inter-annual scale. In winter, vertical circulation is obvious due to a strong SIOD induces intensified ascending motions and high sea surface temperature over the northern SCS with sufficient moisture that supplies a favourable environment for TC formation. The impact of SIOD is weaker in summer but a convergent zone with upwards motion also can be found over northeastern SCS. In addition, the SIOD and El Niño–Southern Oscillation are two primary impacting factors in winter and TC numbers increase when La Niña and positive SIOD events occur simultaneously. However, the SIOD is a dominant and independent impacting factor in summer and El Niño events just play a secondary role. © 2018 Royal Meteorological Society
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被引频次[WOS]:2   [查看WOS记录]     [查看WOS中相关记录]
Document Type: 期刊论文
Identifier: http://119.78.100.158/handle/2HF3EXSE/116665
Appears in Collections:全球变化的国际研究计划

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Affiliation: School of Atmospheric Sciences and Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies, Sun Yat-sen University, Guangzhou, China

Recommended Citation:
Wang T.,Lu X.,Yang S.. Impact of south Indian Ocean Dipole on tropical cyclone genesis over the South China Sea[J]. International Journal of Climatology,2019-01-01,39(1)
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