北半球夏季遥相关的年际振荡及其与ENSO循环的可能联系
NORTHERN HEM I SPHERE SUMMER TELECONNECT IONS INTERANNUAL OSCILLATION AND ITS POSSIBLE RELATION TO ENSO CYCLE
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摘要: 利用43年夏季500hPa高度场资料刻划了北半球夏季东亚太平洋型遥相关和积雪强迫型遥相关的强度。分析结果揭示了它们准4年周期振荡间的位相关系,并推测了在该时间尺度上与ENSO循环的可能联系。Abstract: The intensity of northern summer East Asia/Pacific and snow-forced patternte leconnections have been documented in terms of 43-year summer 500hpa height data. The analysis results show that there is a phase relationship between these summer teleconnections at quasi-4-year oscillation. The possible relation to ENSO cycle at such time scale has also been deduced.
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Key words:
- Summer /
- teleconnection /
- Interannual
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