| 总云量资料所揭示的东亚经度上季风之进退及低频振荡特征 |
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| 引用本文： | 朱乾根 肖稳安. 总云量资料所揭示的东亚经度上季风之进退及低频振荡特征[J]. 南京气象学院学报, 1994, 17(4): 405-410 |
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| 作者姓名： | 朱乾根 肖稳安 |
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| 作者单位： | 南京气象学院气象学系，南京气象学院大气物理学系 |
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| 基金项目： | 中国气象局中日季风科研基金 |
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| 摘 要： | 由于总云量带可以指示季风的前缘，因此利用日本气象厅出版的卫星总云量资料研究东亚季风之进退，得到了用常规资料难以获得的重要结果。分析表明，作为季风前缘的低纬和北半球中纬两条总云量带的活动可以用来表示１９８８年３月￣１９８９年２月东亚经度上全年南北半球冬夏季风之进退。据此，揭示了全年东亚经度上季风进退的年循环过程，特别揭示了南海－西太平洋和印尼－北澳热带季风的进退规律。此外还指出，总云量低频波由中纬向
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| 关 键 词： | 总云量 季风 低频振荡 东亚季风 |
ADVANCE/KETREAT OF MONSOON AT EAST ASIANLONGITUDES AND ITS LFO CHARACTERS DISCOVERED BY SATELLITE TOTAL CLOUD COVER DATA |
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| Zhu Qiangen,Yang Song. ADVANCE/KETREAT OF MONSOON AT EAST ASIANLONGITUDES AND ITS LFO CHARACTERS DISCOVERED BY SATELLITE TOTAL CLOUD COVER DATA[J]. Journal of Nanjing Institute of Meteorology, 1994, 17(4): 405-410 |
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| Authors: | Zhu Qiangen Yang Song |
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| Abstract: | The total cloud band is known to be an indicator of the frontal edge of monsoon and hence Japan Meteorological Agency satellite total cloudiness is applied for the advance/retreat of monsoon.Substantial results which would had hardly been derived by conventional data are ob- tained.The seasonal advance/retreat of the monsoon over East Asian longitudinal scope could be displayed by the activities of two clotid bands,one at low latittides and the other at NorthernHemisphere midlatitudes on a yearly basis from March 1988 to Febrtiary 1989.Accordingly,theanntial cycle of the feature over the study are,particularly those that play the role over theSouth-China Sea to western Pacific and Indonesia/North Atisralia. Also,the results show that thelow-freqtiency wave of the total clotid cover will propagate from mid into low latitudes and fartherinto midlatittides of the other hemisphere,During the propagation, the wave is intensified(weak-ened)in the monsoon(non-monsoon) region. |
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| Keywords: | total cloud band East Asian monsoon LFO(low freqtiency oscillation) |
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