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BIO-02  Key changes in ocean variability and the effects of climate change
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Coherent interannual-decadal variability of temperature in the Tropical-North Pacific Ocean and Deep South China Sea
(Invited)
Yuxin LIN, Department of Ocean Science and Engineering, Southern University of Science and Technology, Shenzhen, China
Zhiqiang LIU* , Department of Ocean Science and Engineering, Southern University of Science and Technology, Shenzhen, China
Zhongya CAI, State Key Laboratory of Internet of Things for Smart City and Department of Civil and Environmental Engineering, University of Macau, Macau, China |
The climate variations over the Tropical (TPO) and Northern Pacific Ocean (NPO) interplay with that in the South China Sea (SCS) through the atmospheric bridge and Luzon Strait transport (LST). Although the response of surface temperature in the upper-layered SCS to the large-scale climate variability is widely studied, the understanding on variabilities of potential temperature () in the deep SCS is sparse. Here, using long-term observations, we show the interannual-decadal variability of , which has no robust relation with the El Niño-Southern Oscillation and the Pacific Decadal Oscillation indexes. Our studies herein apply multivariate empirical orthogonal function (MVEOF) analysis to attain the coherent temperature variations in the Tropical–Northern Subtropical Pacific and deep SCS. In particular, the variations over the TPO and NPO are integrated. The MVEOF is used to produce the synergic and quasi-independently varying components. Thus, the variations in the SCS are reconstructed as a sum of multiple processes. Our results provide new insights into the regional changes in response to global climate variability. |
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