| 局地凝结加热对大气赤道波动稳定性的影响(英文) |
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| 引用本文： | Gregory Zhikharev,傅刚,左中道. 局地凝结加热对大气赤道波动稳定性的影响(英文)[J]. 中国海洋大学学报(自然科学版), 1993, 0(1) |
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| 作者姓名： | Gregory Zhikharev 傅刚 左中道 |
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| 作者单位： | 俄罗斯希尔绍夫海洋研究所(Gregory Zhikharev)，青岛海洋大学(傅刚)，青岛海洋大学(左中道) |
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| 摘 要： | 利用β平面上大气斜压强迫模式,探讨了局地海表温度异常所造成的非绝热加热影响的赤道小振幅“拦截波”的稳定性。指出当加热函数是半余弦形式时,在加热区大气的反应是局地性的,但这个加热函数的小扰动能产生非局地性的大尺度反应。平均海表温度降低了赤道波动的稳定性。当稍超过临界值时,小尺度海表温度异常有可能使波动不稳定。
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| 关 键 词： | 海表温度异常 赤道波动稳定性 厄尔尼诺-南方涛动 两层模式 局地凝结加热 |
ON THE EFFECT OF A LOCALIZED CONDENSATIONAL HEATING UPON THE STABILITY OF ATMOSPHERIC EQUATORIAL WAVES |
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| Gregory Zhikharev. ON THE EFFECT OF A LOCALIZED CONDENSATIONAL HEATING UPON THE STABILITY OF ATMOSPHERIC EQUATORIAL WAVES[J]. Periodical of Ocean University of China, 1993, 0(1) |
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| Authors: | Gregory Zhikharev |
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| Abstract: | The model of baroclinic forced atmosphere on a beta-plane is used to study the stability of trapped small amplitude equatorial waves subject to the dubatic heating connected with the effect of localized sea surface temperature (SST ) anomalies. When heating is described with a half-cosine function, the reaction of the atmosphere is mostly locahied in a heating domain, but small disturbances of this function may give rise to a nonlocal large scale response. A mean SST decreases the stability of the equatorial waves, and, when slightly subcritical, makes it possible for small scale SST anomalies to destabilize the waves. |
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| Keywords: | SST anomaly stability of equatorial waves ENSO two-layer model local condensational heating |
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