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Article >  Journal of Tropical Meteorology  > 2014 >  20(3): 202-207

FURTHER RESEARCH ON MECHANISM OF TBO IN SOUTH ASIAN MONSOON REGION

  • Institute of Meteorology and Oceanography, PLA University of Science and Technology, Nanjing 211101 China Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029 China

Funding:

  • The results of this study prove that there is significant troposphere biennial oscillation (TBO) in the South Asian climate, especially with the Indian summer monsoon rainfall. In order to explore the mechanism of TBO in the South Asian region, we defined a unified South Asian monsoon index to depict South Asian summer monsoon (SASM) and South Asian winter monsoon (SAWM) and the transition features between SASM and SAWM. Through further analysis, the connection between the abnormity of SASM and SAWM was discovered. Normally, a strong SAWM is beneficial for a weak SASM later, while a weak SAWM favors a strong SASM. Meanwhile, a strong SASM is favorable for a weak SAWM and a weak SAWM always happens after a weak SASM. Such results suggest the evolution of the South Asian monsoon, which may be an important mechanism to excite TBO in South Asia.
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LI Chong-yin, LI Lin, QUE Zhi-ping. FURTHER RESEARCH ON MECHANISM OF TBO IN SOUTH ASIAN MONSOON REGION [J]. Journal of Tropical Meteorology, 2014, 20(3): 202-207.
LI Chong-yin, LI Lin, QUE Zhi-ping. FURTHER RESEARCH ON MECHANISM OF TBO IN SOUTH ASIAN MONSOON REGION [J]. Journal of Tropical Meteorology, 2014, 20(3): 202-207.
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    Manuscript revised: 05 June 2014
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    FURTHER RESEARCH ON MECHANISM OF TBO IN SOUTH ASIAN MONSOON REGION

    • Institute of Meteorology and Oceanography, PLA University of Science and Technology, Nanjing 211101 China Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029 China
    • Rev Recd Date: 2014-06-05

    Abstract: The results of this study prove that there is significant troposphere biennial oscillation (TBO) in the South Asian climate, especially with the Indian summer monsoon rainfall. In order to explore the mechanism of TBO in the South Asian region, we defined a unified South Asian monsoon index to depict South Asian summer monsoon (SASM) and South Asian winter monsoon (SAWM) and the transition features between SASM and SAWM. Through further analysis, the connection between the abnormity of SASM and SAWM was discovered. Normally, a strong SAWM is beneficial for a weak SASM later, while a weak SAWM favors a strong SASM. Meanwhile, a strong SASM is favorable for a weak SAWM and a weak SAWM always happens after a weak SASM. Such results suggest the evolution of the South Asian monsoon, which may be an important mechanism to excite TBO in South Asia.

    LI Chong-yin, LI Lin, QUE Zhi-ping. FURTHER RESEARCH ON MECHANISM OF TBO IN SOUTH ASIAN MONSOON REGION [J]. Journal of Tropical Meteorology, 2014, 20(3): 202-207.
    Citation: LI Chong-yin, LI Lin, QUE Zhi-ping. FURTHER RESEARCH ON MECHANISM OF TBO IN SOUTH ASIAN MONSOON REGION [J]. Journal of Tropical Meteorology, 2014, 20(3): 202-207.
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