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DOI: 10.1002/joc.6027
Scopus ID: 2-s2.0-85062525653
Title:
Observed rainfall asymmetry of tropical cyclone in the process of making landfall in Guangdong, south China
Author: Wen G.; Huang G.; Huang H.; Liu C.; Bi X.
Source Publication: International Journal of Climatology
ISSN: 8998418
Indexed By: SCI ; SCI-E ; EI
Publishing Year: 2019
Language: 英语
Keyword: rainfall asymmetry ; TRMM ; tropical cyclone ; vertical wind shear
Scopus Keyword: Atmospheric pressure ; Climatology ; Hurricanes ; Rain ; Storms ; Tropics ; Axisymmetric ; Precipitation data ; Rainfall asymmetry ; South China ; Southern oscillation ; TRMM ; Tropical cyclone ; Vertical wind shear ; Rain gages
English Abstract: This study investigates the rainfall asymmetry of tropical cyclones (TCs) in the process of making landfall in Guangdong (GD), south China, on the basis of satellite-based and reanalysis precipitation data. We mainly focus on TC rainfall asymmetry, its main influencing factor and its change in the process of landfall, and the difference between different El Niño–Southern Oscillation (ENSO) phases. The results reveal that vertical wind shear (VWS) is the dominant influencing factor of TC rainfall asymmetry in GD. The rainfall maximum is located in downshear left of VWS. The TC rainfall asymmetry has little change in the process of making landfall, though the rain rate decreases. Both the phase and amplitude of TC rainfall asymmetry have no significant change from 24 hr prior to landfall to 12 hr after landfall. The rainfall maximum steadily lies in downshear left. The amplitude of rainfall asymmetry is about 50%, suggesting that the asymmetric rainfall is about half of the axisymmetric rainfall. There is no obvious difference in TC rainfall asymmetry between El Niño, La Niña, and neutral years. © 2019 Royal Meteorological Society
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Document Type: 期刊论文
Identifier: http://119.78.100.177/globalchange/handle/2HF3EXSE/116603
Appears in Collections:全球变化的国际研究计划

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Affiliation: Guangzhou Institute of Tropical and Marine Meteorology, China Meteorological Administration, Guangzhou, China; Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China; University of Chinese Academy of Sciences, Beijing, China

Recommended Citation:
Wen G.,Huang G.,Huang H.,et al. Observed rainfall asymmetry of tropical cyclone in the process of making landfall in Guangdong, south China[J]. International Journal of Climatology,2019-01-01
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