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Volume 14 Issue 1

Jan.  1997

Article Contents
Article >  ADVANCES IN ATMOSPHERIC SCIENCES  > 1997 >  14(1): 69-80

The Influence of Tibetan Plateau on the Interannual Variability of Atmospheric Circulation over Tropical Pacific

  • 1.

    Department of Atmospheric Sciences, Nanjing University 210093,


doi: 10.1007/s00376-997-0045-6

  • An atmospheric general circulation model (AGCM) with 9 sigma levels in the vertical and rhomboidal trunction at wave number 15 in the horizontal is run for 10 years with and without the Tibetan Plateau respectively (called TP and NTP experiment). The result simulated is used to investigate the influence of the Tibetan Plateau on the interannual variability of atmospheric circulation over tropical Pacific. It is found that the spatial and temporal dis-tributions of the interannual variability of the wind field over tropical Pacific in TP experiment and those in NTP ex-periment agree with each other except for the intensity, and both of them are consistent with observations well. Fur-ther analysis shows that in El Nino period the Tibetan Plateau strengthens the intensity of El Nino event, while in La Nina period it weakens the intensity of La Nina
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    • Manuscript History

    Manuscript received: 10 January 1997
    Manuscript revised: 10 January 1997
    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 Influence of Tibetan Plateau on the Interannual Variability of Atmospheric Circulation over Tropical Pacific

    • 1. Department of Atmospheric Sciences, Nanjing University 210093,
    • Manuscript received: 1997-01-10
    • Manuscript revised: 1997-01-10

    Abstract: An atmospheric general circulation model (AGCM) with 9 sigma levels in the vertical and rhomboidal trunction at wave number 15 in the horizontal is run for 10 years with and without the Tibetan Plateau respectively (called TP and NTP experiment). The result simulated is used to investigate the influence of the Tibetan Plateau on the interannual variability of atmospheric circulation over tropical Pacific. It is found that the spatial and temporal dis-tributions of the interannual variability of the wind field over tropical Pacific in TP experiment and those in NTP ex-periment agree with each other except for the intensity, and both of them are consistent with observations well. Fur-ther analysis shows that in El Nino period the Tibetan Plateau strengthens the intensity of El Nino event, while in La Nina period it weakens the intensity of La Nina

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