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Volume 27 Issue 2

Mar.  2010

Article Contents
Article >  ADVANCES IN ATMOSPHERIC SCIENCES  > 2010 >  27(2): 393-402

The Effect of Regional Ocean-Atmosphere Coupling on the Long-term Variability in the Pacific Ocean

  • 1.

    Physical Oceanography Laboratory, Ocean University of China, Qingdao 266100,Physical Oceanography Laboratory, Ocean University of China, Qingdao 266100,Physical Oceanography Laboratory, Ocean University of China, Qingdao 266100,Physical Oceanography Laboratory, Ocean University of China, Qingdao 266100


doi: 10.1007/s00376-009-8195-3

  • A fully coupled ocean-atmosphere model is applied to highlight the mechanism of the long-term variability (including decadal and longer time scales) in the Pacific Ocean. We are interested in the effect of ocean-atmosphere coupling of different regions during these processes. The control run successfully simulates the Pacific long-term variability, whose leading modes are the Pacific (inter) Decadal Oscillation (PDO) and the North Pacific mode (NPM). Furthermore, three numerical experiments are conducted, shutting down the ocean-atmosphere coupling in the North Pacific, the tropical Pacific, and the South Pacific, respectively. The results show that regional ocean-atmosphere coupling is not only important to the strength of local long-term SST variability but also has an influence on the variability further afield. In both the tropical Pacific and North Pacific, this local effect is the main control, which is much more obvious in the tropical regions. The existence of the PDO is extremely dependent on the coupling in the tropical Pacific. However, extratropical coupling, in particular that in the North Pacific, is also important to form its spatial pattern and strengthen the variability in some tropical areas. For the NPM, its existence is primarily determined by the coupling in the North Pacific.
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    [2] Kairan YING, Jing PENG, Li DAN, Xiaogu ZHENG, 2022: Ocean–atmosphere Teleconnections Play a Key Role in the Interannual Variability of Seasonal Gross Primary Production in China, ADVANCES IN ATMOSPHERIC SCIENCES, 39, 1329-1342.  doi: 10.1007/s00376-021-1226-4
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    • Manuscript History

    Manuscript received: 10 March 2010
    Manuscript revised: 10 March 2010
    通讯作者: 陈斌, bchen63@163.com
    • 1. 

      沈阳化工大学材料科学与工程学院 沈阳 110142

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    The Effect of Regional Ocean-Atmosphere Coupling on the Long-term Variability in the Pacific Ocean

    • 1. Physical Oceanography Laboratory, Ocean University of China, Qingdao 266100,Physical Oceanography Laboratory, Ocean University of China, Qingdao 266100,Physical Oceanography Laboratory, Ocean University of China, Qingdao 266100,Physical Oceanography Laboratory, Ocean University of China, Qingdao 266100
    • Manuscript received: 2010-03-10
    • Manuscript revised: 2010-03-10

    Abstract: A fully coupled ocean-atmosphere model is applied to highlight the mechanism of the long-term variability (including decadal and longer time scales) in the Pacific Ocean. We are interested in the effect of ocean-atmosphere coupling of different regions during these processes. The control run successfully simulates the Pacific long-term variability, whose leading modes are the Pacific (inter) Decadal Oscillation (PDO) and the North Pacific mode (NPM). Furthermore, three numerical experiments are conducted, shutting down the ocean-atmosphere coupling in the North Pacific, the tropical Pacific, and the South Pacific, respectively. The results show that regional ocean-atmosphere coupling is not only important to the strength of local long-term SST variability but also has an influence on the variability further afield. In both the tropical Pacific and North Pacific, this local effect is the main control, which is much more obvious in the tropical regions. The existence of the PDO is extremely dependent on the coupling in the tropical Pacific. However, extratropical coupling, in particular that in the North Pacific, is also important to form its spatial pattern and strengthen the variability in some tropical areas. For the NPM, its existence is primarily determined by the coupling in the North Pacific.

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