Monthly Archives: July 2011

When minor planets Ceres and Vesta rock the Earth into chaos

Jacques Laskar and colleagues have been leaders in the field of long term solar system planetary motion calculations. Their earlier efforts have produced calculations of the solar system motions for more than 20 million years. These motions are important because … Continue reading

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Analysis of BE10 records as a Solar Irradiance Proxy

Recently on CRI an article on Which Causes which out of Atmospheric Temperature and CO2 content? was posted, and this was circulated to other blogs and much interesting discussion ensued, particularly on TallBloke’s Talkshop. This discussion raised the Cycles in Sunspot Number … Continue reading

Posted in climate-Solar, cycles-Analysis, software-CATS | Tagged , , , , , , | 6 Comments

Comparison of correlation analysis techniques for irregularly sampled time series

When dealing with time series we do not always have the luxury of evenly spaced points in time. Particularly for data from geology and related areas the data sampling may be based on depth of core or some such measurement … Continue reading

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Harmonically Related Solar Cycles in UV

There are many reported cycles in the Sun ranging from long to short periods, and often periods found are harmonically related to each other. Sometimes the reasons for this rather obvious, but at other times the related cycles have appeared … Continue reading

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