| PRELIMINARY ANALYSIS OF MID-RANGE OSCILLATION OF TROPICAL MONSOON CIRCULATION IN SUMMER, 1979 |
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| 作者姓名： | 周静亚 张镡 王景毅 |
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| 作者单位： | Department of Geophysics，Peking University，Department of Geophysics，Peking University，Marine Forecasting Center，National Bureau of Oceanography，Beijing |
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| 摘 要： | In this paper, the mid-range oscillation with 30-45 days of the tropical monsoon circulation during May-August 1979 was discussed. It is found that there are low and high pressure index patterns for the tropical monsoon circulation in Northern Hemisphere. In the period of low index and the transitional period from low to high index, the group genesis and development of monsoon depressions, tropical cyclones over Arabian Sea and the Bengal Bay, typhoons over the South China Sea and Western Pacific Ocean are always successively observed from west to east. In this period, the rainfall over middle-India and eastern part of China usually increases.We can use the oscillation of the pressure value over equatorial area to describe the mid-range (30-45 days) oscillation of tropical monsoon circulation and its related circulation systems.
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| 收稿时间： | 1981/10/27 0:00:00 |
PRELIMINARY ANALYSIS OF MID-RANGE OSCILLATION OF TROPICAL MONSOON CIRCULATION IN SUMMER, 1979 |
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| ZHOU JINGYA,ZHANG TAN and WANG JINGYI.PRELIMINARY ANALYSIS OF MID-RANGE OSCILLATION OF TROPICAL MONSOON CIRCULATION IN SUMMER, 1979[J].Acta Oceanologica Sinica,1983,2(2):205-212. |
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| Authors: | ZHOU JINGYA ZHANG TAN and WANG JINGYI |
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| Institution: | 1.Department of Geophysics, Peking University2.Marine Forecasting Center, National Bureau of Oceanography, Beijing |
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| Abstract: | In this paper, the mid-range oscillation with 30-45 days of the tropical monsoon circulation during May-August 1979 was discussed. It is found that there are low and high pressure index patterns for the tropical monsoon circulation in Northern Hemisphere. In the period of low index and the transitional period from low to high index, the group genesis and development of monsoon depressions, tropical cyclones over Arabian Sea and the Bengal Bay, typhoons over the South China Sea and Western Pacific Ocean are always successively observed from west to east. In this period, the rainfall over middle-India and eastern part of China usually increases.We can use the oscillation of the pressure value over equatorial area to describe the mid-range (30-45 days) oscillation of tropical monsoon circulation and its related circulation systems. |
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