气候与天文序列的60年周期
On the sixty-year periodicity in climate and astronomical series
摘要:
在2010年的一篇文章中,作者研究了十年和多年气候振荡是否有天文起源。特别是,作者指出,自1850年以来的几个全球表面温度记录,以及从行星轨道推导出的记录,呈现出非常相似的功率谱。在探测到的频率中,分别约20年和60年的大气候振荡似乎与木星和土星的轨道周期同步。其他研究人员已经注意到,许多气候、地球物理和天文学数据清楚地显示了一个重要的、大约60年的周期。当然,这个周期长度并不完全是60年,在各种气候和天文现象之间会有几年的变化(频带)。本研究的主要目的是进一步研究上述结果,考虑不同的长期时间序列,并使用适当的连续小波分析。特别是,我们特别考虑了60年周期的特点和重要性,以便更好地建立可靠的气候预测模型。
英文摘要:
In a recent article by Scafetta, 2010, the author investigates whether or not the decadal and multi-decadal climate oscillations have an astronomical origin. In particular, the author note that several global surface temperature records, since 1850, and records deduced from the orbits of the planets present very similar power spectra. Among the detected frequencies, large climate oscillations of about 20 and 60 years, respectively, appear synchronized to the orbital periods of Jupiter and Saturn. Other investigators have already noted that many climate, geophysical and astromomical data clearly show the appearance of a significant, approximately 60-year cycle. Of course, this cycle length is not exactly 60 years and varies by a few years (frequency band) between various climatic and astronomical phenomena. The main aim of the present research note is to further investigate the above results, considering different long-term time series and using a proper continuous wavelet analysis. In particular, we specifically consider the feature and importance of the sixty-year periodicity, in order to better build reliable models for climate predictions.
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