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Sensitivity of intraseasonal perturbations in SST to the structure of the MJO

机译:SST内季节内扰动对MJO结构的敏感性

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摘要

This study demonstrates that intraseasonal perturbations in sea surface temperature (SST') in the western Pacific warm pool is very sensitive to the structure, as well as other characteristics, of the Madden-Julian oscillation (MJO). SST' is simulated using a one-dimensional ocean mixed-layer model and idealized MJO surface forcing that mimics observations. The amplitude and phase of simulated SST' and its sensitivity to precipitation all depend on the structure of the MJO. It is concluded that a realistic structure of simulated MJO in a coupled model is as vital as realistic phase speed and zonal scale to correctly interpreting the effect of air sea interaction on the MJO. [References: 39]
机译:这项研究表明,西太平洋暖池的海表温度季节内扰动对马登—朱利安振荡(MJO)的结构以及其他特征非常敏感。使用一维海洋混合层模型和模拟观测的理想化的MJO表面强迫来模拟SST'。模拟的SST'的振幅和相位及其对降水的敏感性都取决于MJO的结构。结论是,在耦合模型中模拟MJO的真实结构与真实相速度和纬向尺度一样重要,对于正确地解释海气相互作用对MJO的影响。 [参考:39]

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