【摘 要】
：
As the leading mode of the global atmospheric mass inter-annual variability, the Southern Hemisphere (SH) annular mode (SAM) may exert potential influences to the Northem Hemisphere (NH) climate, but
【机 构】
：
Earth System Modeling Center and Key Laboratory of Meteorological Disaster of Ministry of Education,
论文部分内容阅读
As the leading mode of the global atmospheric mass inter-annual variability, the Southern Hemisphere (SH) annular mode (SAM) may exert potential influences to the Northem Hemisphere (NH) climate, but the related physical mechanism is not yet clear.In this study, it is found that the November-December (ND) SAM exhibits a significant inverse relationship with the winter precipitation over East Asia, particularly southern China.Observational and numerical evidences show that anomalous ND SAM is usually associated with a South Atlantic-Pacific dipole sea surface temperature anomaly (SSTA) which persists into ensuring winter.
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