Possible Origins of the Western Pacific Warm Pool Decadal Variability |
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| Authors: | GAN Bolan and WU Lixin |
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| Institution: | Physical Oceanography Laboratory Ocean University of China, Qingdao 266100,Physical Oceanography Laboratory Ocean University of China, Qingdao 266100 |
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| Abstract: | In this study, the impacts of the Pacific Decadal Oscillation (PDO) and the Atlantic Multidecadal Oscillation (AMO) on the
western Pacific warm pool (WPWP) were investigated. Our results show that the WPWP is linked with the PDO and the AMO at multiple
time scales. On the seasonal time scales, the WPWP and the PDO/AMO reinforce each other, while at decadal time scales the
forcing roles of the PDO and the AMO dominate. Notably, a positive PDO tends to enlarge the WPWP at both seasonal and decadal
time scales, while a positive AMO tends to reduce the WPWP at decadal time scales. Furthermore, the decadal variability of
the WPWP can be well predicted based on the PDO and AMO. |
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| Keywords: | decadal variability western Pacific warm pool Pacific decadal oscillation Atlantic multidecadal oscillation |
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