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年际及年代际时间变率是当代气候研究的重要问题之一 ,通过对近百年热带太平洋海温资料做子波分析发现 ,2 0世纪 50年代以来的海温升高及频繁发生的 ENSO事件伴随着海温年代际时间尺度背景场的明显改变 ,同时还研究了其年代际及年际时间尺度时间变率特征。
Interdecadal and interdecadal time variability is one of the important issues in contemporary climate research. Based on the wavelet analysis of sea temperature data in the tropical Pacific over the past century, it is found that the sea surface temperature rise and frequent ENSO events since the 1950s Along with the obvious change of the background field of the SST time scale, the temporal variability of the decadal and interannual time scales is studied.