| 台风内核与外围加热对其强度突变的影响 |
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| 引用本文： | 夏友龙,郑祖光,刘式达.台风内核与外围加热对其强度突变的影响[J].气象学报,1995,53(4):423-430. |
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| 作者姓名： | 夏友龙 郑祖光 刘式达 |
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| 作者单位： | 北京气象学院，北京大学 |
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| 摘 要： | 采用准动量无辐散模式，考虑非绝热加热过程，探讨了加热、惯性稳定度、层结稳定度以及非热成风等物理因子对台风中的重力惯性波强度变化的影响。进而把台风内核与外围的加热过程加以区别，指出要引起内核强度突变不仅要有非线性动力过程，而且要有非线性加热过程；而要引起外围强度突变则要有非线性动力过程以及定常的加热过程。
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| 关 键 词： | 台风内核与外围，加热作用，强度突变 |
| 收稿时间： | 1992/12/26 0:00:00 |
| 修稿时间： | 1994/4/18 0:00:00 |
THE EFFECTS OF HEATING IN THE INNER CORE AND THE EXTERNAL PART OF TYPHOON ON THEIR INTENSITY ABRUPT CHANGES |
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| Xia Youlong,Zheng Zuguang and Liu Shida.THE EFFECTS OF HEATING IN THE INNER CORE AND THE EXTERNAL PART OF TYPHOON ON THEIR INTENSITY ABRUPT CHANGES[J].Acta Meteorologica Sinica,1995,53(4):423-430. |
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| Authors: | Xia Youlong Zheng Zuguang and Liu Shida |
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| Institution: | Beijing institute of Meteorlogy. Beijing, 100081;Beijing institute of Meteorlogy. Beijing, 100081;Peking Undersity, Beijing, 100871 |
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| Abstract: | Using quasi-momentum non-divergence model involving adiabatic heating process. the influences of heating. inertial stability, stratified stability and non-thermal wind on the intensity change of inertial-gravity wave in typhoon are investigated. Furthermore, the heating processes of inner core and external part of typhoon are considered respectively. The results show that the necessary conditions of abrupt change of intensity in typhoon for inner core are not only the nonlinear dynamical but also the nonlinear heating processes, and those for external part are the nonlinear dynamical and steady heating processes. |
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| Keywords: | nertial-gravity wave Inner core and external part of typhoon Heating effect Intensity abrupt changes |
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