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Using power spectral analysis, centennial and millennial-scale cycles of Paleo-monsoon were extracted. In the cycles, 71 a is the basic cycle of East Asian Monsoon.
应用功率谱分析的方法,提取出同时段百年尺度和千年尺度的古季风周期,其中71 a周期为本文首次提出,并被认为是东亚季风活动最显著的基准周期之一。
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The millennial-scale trend issue appears to be a source of contention.
WSJ: Climate Emails: Science and Candor
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