Basin shift of tropical convection impact on the Western China Autumn Rainfall interannual variability

The Western China Autumn Rainfall (WCAR) is a special and important climate phenomenon in China during September and October. This study elucidated a notable decadal change in the influence of the tropical convection across different basins on the interannual variation of WCAR around the late 1980s....

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Bibliographic Details
Published in:Climate dynamics 2024-12, Vol.62 (12), p.10621-10633
Main Authors: Lu, Rui, Zhu, Zhiwei, Yeh, Sang-Wook, Shao, Liaoyuan
Format: Article
Language:English
Subjects:
Annual variations
Autumn
Climatology
Convection
Correlation
Correlation coefficient
Correlation coefficients
Earth and Environmental Science
Earth Sciences
Geophysics/Geodesy
Humidity
Interannual variability
Interannual variations
Motion stability
Oceanic convection
Oceanography
Oceans
Original Article
Pattern analysis
Precipitation
Rainfall
Robustness
Sea surface temperature
Sea surface temperature anomalies
Specific humidity
Surface temperature
Tropical convection
Vertical motion
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Summary:The Western China Autumn Rainfall (WCAR) is a special and important climate phenomenon in China during September and October. This study elucidated a notable decadal change in the influence of the tropical convection across different basins on the interannual variation of WCAR around the late 1980s. Prior to the late 1980s, WCAR exhibited a robust connection with tropical convection over the Indian and Pacific Oceans, with a significant correlation coefficient of 0.43 ( p  
ISSN:0930-7575
1432-0894
DOI:10.1007/s00382-024-07466-x