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首页> 外文期刊>Geophysical Research Letters >Tropical intraseasonal oscillation in a coupled ocean-atmosphere general circulation model
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Tropical intraseasonal oscillation in a coupled ocean-atmosphere general circulation model

机译：海洋-大气环流耦合模型中的热带季节内振荡

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In this study we report the simulation of the intraseasonal oscillation of the tropical atmosphere (TIO) in the coupled model GIOTTO. The model produces a zonal wave number one eastward propagating disturbance with a mean period of 42 days, which is in good agreement with the observed TIO periodicity. The simulated TIO, however, seems to be influenced by errors in the model mean state. In particular, the errors in the sea surface temperature of the tropical Pacific appear to have a significant impact on the oscillation, affecting its spatial distribution and producing an excess of TIO activity over the eastern Pacific. Despite of these shortcomings, the model seems to be able to reproduce some of the air-sea interaction mechanisms which characterize the observed TIO.
机译：在这项研究中，我们报告了在耦合模型GIOTTO中对热带大气（TIO）的季节内振荡的模拟。该模型产生了一个向东传播的地带波，平均周期为42天，这与观测到的TIO周期非常吻合。但是，模拟的TIO似乎受模型平均状态误差的影响。特别是热带太平洋海表温度的误差似乎对振荡产生了重大影响，影响了其空间分布并在东太平洋产生了过多的TIO活动。尽管存在这些缺点，但该模型似乎能够重现表征观测到的TIO的某些海气相互作用机制。

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