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The Study on the Interannual Variation and the Mechanism of the South China Sea Monsoon


doi: 10.1007/s00376-999-0030-3

  • By using the USA NCAR / NCEP reanalysis data, the characteristics of climatic elements and the tem-poral and spatial structures of precipitation in the strong and weak years of the SCS monsoon are analyzed, the mechanism of the interannual variation of the SCS monsoon is discussed. It is found that the climatic el-ements in SCS have great differences, and there are great differences in the spatial and temporal structures of the precipitation anomalies between the strong and weak monsoon years. The variation of climatic ele-ments in the south of Indochina Peninsula in April is a good index of the strength of the SCS monsoon. There is a good connection between the SCS monsoon and the sea surface temperature. The SCS monsoon is weak in the EL Nino years, and strong in the La Nina years. The strength of the SCS monsoon depends on the local heating differences between the eastern continent of China and the western Pacific. It depends on the intensity and the position of the western Pacific Subtropical High. The western Pacific Subtropical High is weak and eastward in the strong monsoon years, and the case is reversed in the weak monsoon years.
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    [4] Wang Shiyu, Qian Yongfu, 2001: Modeling of the 1998 East Asian Summer Monsoon by a Limited Area Model with Incorporated Coordinate, ADVANCES IN ATMOSPHERIC SCIENCES, 18, 209-224.  doi: 10.1007/s00376-001-0014-4
    [5] YAN Zhongwei, Phil D. JONES, 2008: Detecting Inhomogeneity in Daily Climate Series Using Wavelet Analysis, ADVANCES IN ATMOSPHERIC SCIENCES, 25, 157-163.  doi: 10.1007/s00376-008-0157-7
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    [7] Lonnie Hudgins, Jianping Huang, 1996: Bivariate Wavelet Analysis of Asia Monsoon and ENSO, ADVANCES IN ATMOSPHERIC SCIENCES, 13, 299-312.  doi: 10.1007/BF02656848
    [8] Li Chongyin, Long Zhenxia, Zhang Qingyun, 2001: Strong/Weak Summer Monsoon Activity over the South China Sea and Atmospheric Intraseasonal Oscillation, ADVANCES IN ATMOSPHERIC SCIENCES, 18, 1146-1160.  doi: 10.1007/s00376-001-0029-x
    [9] LI Fei, WANG Huijun, 2013: Relationship between Bering Sea Ice Cover and East Asian Winter Monsoon Year-to-Year Variations, ADVANCES IN ATMOSPHERIC SCIENCES, 30, 48-56.  doi: 10.1007/s00376-012-2071-2
    [10] Li Chongyin, Wu Jingbo, 2000: On the Onset of the South China Sea Summer Monsoon in 1998, ADVANCES IN ATMOSPHERIC SCIENCES, 17, 193-204.  doi: 10.1007/s00376-000-0003-z
    [11] Gill M. MARTIN, Amulya CHEVUTURI, Ruth E. COMER, Nick J. DUNSTONE, Adam A. SCAIFE, Daquan ZHANG, 2019: Predictability of South China Sea Summer Monsoon Onset, ADVANCES IN ATMOSPHERIC SCIENCES, 36, 253-260.  doi: 10.1007/s00376-018-8100-z
    [12] T. N. Krishnamurti, Mukul Tewari, Ed Bensman, Wei Han, Zhan Zhang, William K. M. Lau, 1999: An Ensemble Forecast of the South China Sea Monsoon, ADVANCES IN ATMOSPHERIC SCIENCES, 16, 159-182.  doi: 10.1007/BF02973080
    [13] Lu Riyu, Chan-Su Ryu, Buwen Dong, 2002: Associations between the Western North Pacific Monsoon and the South China Sea Monsoon, ADVANCES IN ATMOSPHERIC SCIENCES, 19, 12-24.  doi: 10.1007/s00376-002-0030-z
    [14] Qingwei ZENG, Yun ZHANG, Hengchi LEI, Yanqiong XIE, Taichang GAO, Lifeng ZHANG, Chunming WANG, Yanbin HUANG, 2019: Microphysical Characteristics of Precipitation during Pre-monsoon, Monsoon, and Post-monsoon Periods over the South China Sea, ADVANCES IN ATMOSPHERIC SCIENCES, 36, 1103-1120.  doi: 10.1007/s00376-019-8225-8
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    [19] Zhang Yaocun, Qian Yongfu, 2002: Mechanism of Thermal Features over the Indo-China Peninsula and Possible Effects on the Onset of the South China Sea Monsoon, ADVANCES IN ATMOSPHERIC SCIENCES, 19, 885-900.  doi: 10.1007/s00376-002-0053-5
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Manuscript History

Manuscript received: 10 October 1999
Manuscript revised: 10 October 1999
通讯作者: 陈斌, bchen63@163.com
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The Study on the Interannual Variation and the Mechanism of the South China Sea Monsoon

  • 1. Department of Atmospheric Sciences, Nanjing University, Nanjing 210093,Department of Atmospheric Sciences, Nanjing University, Nanjing 210093

Abstract: By using the USA NCAR / NCEP reanalysis data, the characteristics of climatic elements and the tem-poral and spatial structures of precipitation in the strong and weak years of the SCS monsoon are analyzed, the mechanism of the interannual variation of the SCS monsoon is discussed. It is found that the climatic el-ements in SCS have great differences, and there are great differences in the spatial and temporal structures of the precipitation anomalies between the strong and weak monsoon years. The variation of climatic ele-ments in the south of Indochina Peninsula in April is a good index of the strength of the SCS monsoon. There is a good connection between the SCS monsoon and the sea surface temperature. The SCS monsoon is weak in the EL Nino years, and strong in the La Nina years. The strength of the SCS monsoon depends on the local heating differences between the eastern continent of China and the western Pacific. It depends on the intensity and the position of the western Pacific Subtropical High. The western Pacific Subtropical High is weak and eastward in the strong monsoon years, and the case is reversed in the weak monsoon years.

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