| 南海年际尺度海气相互作用的初探 |
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| 引用本文： | 王东晓,秦曾灏,周发琇.南海年际尺度海气相互作用的初探[J].气象学报,1997,55(1):33-42. |
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| 作者姓名： | 王东晓 秦曾灏 周发琇 |
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| 作者单位： | 中国科学院大气物理研究所，上海台风研究所，青岛海洋大学 |
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| 摘 要： | 本文分析了南海海洋大气系统短期气候变化中存在年际振荡的若干观测事实，提出了局地尺度南海海洋与低层大气相互作用的一种可能机制。针对南海表层水温距平和低层风场异常的相关，设计了一个类似与ＭｃＣｒｅａｒｙ和Ａｎｄｅｒ－ｓｏｎ（１９８４）模型的简化海气耦合模式。大气部分为随下垫面海温变化而变化的异常风应力阶梯函数与季节性风场的联合；海洋部分为非线性β－平面的约化重力模式。考虑南海海洋大气相互作用中存在的海温与低层大气风场变化之间反馈过程，耦合模式在气候积分中表现出一类约３ａ的周期性年际振荡。说明这个区域ＳＳＴ、低层大气风场年际振荡是南海海盆尺度的海气相互作用的反映，改进了关于南海ＳＳＴ年际振荡是海洋对大气应力甚低频强迫响应的认识
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| 关 键 词： | 海气相互作用，年际振荡，南海 |
| 收稿时间： | 1995/8/28 0:00:00 |
| 修稿时间： | 1995/12/25 0:00:00 |
STUDY ON AIR-SEA INTERACTION ON THE INTERANNUAL TIME-SCALE IN THE SOUTH CHINA SEA |
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| Wang Dongxiao,Qin Zenghao and Zhou Faxiu.STUDY ON AIR-SEA INTERACTION ON THE INTERANNUAL TIME-SCALE IN THE SOUTH CHINA SEA[J].Acta Meteorologica Sinica,1997,55(1):33-42. |
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| Authors: | Wang Dongxiao Qin Zenghao and Zhou Faxiu |
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| Institution: | LASG, Institute of Atmospheric Physics, Academia Sinica, Beijing, 100080;Shanghai Typhoon Insititute, Shanghai, 200030;Ocean University of Qindao, Qingdao, 266003 |
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| Abstract: | This paper documents the correlationship between sea surface temperature (SST) and sea level wind (SLW) in the South China Sea ( SCS)based on COADS (1958-1987). Further statistical analysis shows that there is a fixed SCS basin mode for both SST and low level wind (such as SLW, 1000hPa and 850hPa winds) in the region on the interannual timescales due to air sea interaction. A simple coupled model including the feedback between the upper layer in the SCS and the circulation of East Asian monsoon demonstrates an interannual oscillation in the coupled air sea system, which is similar with the observations in the SCS. |
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| Keywords: | Air sea interaction Interannual oscillation South China Sea |
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