Author Archives: Cycles Research Institute

The sub- and quasi- centurial cycles in solar and geomagnetical data series

Abstract: Full preprint: Authors: B. Komitov, S. Sello, P. Duchlev, M. Dechev, K. Penev, K. Koleva The subject of this paper is the existence and stability of solar cycles with duration in the range of 20-250 years. Five … Continue reading

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Lunar Influences On Climate

by Dario Camuffo Abstract Popular beliefs on the effects of the Moon on the weather probably go back to when ancient civilisations followed a lunar calendar, and the Moon went from being a purely temporal reference to becoming a … Continue reading

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Solar Cycles in 150 Years of Global Sea-Surface Temperature Data

Jiansong Zhou and Ka Kit Tung, Department of Applied Mathematics, University of Washington, Seattle, Washington, USA Abstract The purpose of the present work is to demonstrate that a solar-cycle response exists in surface temperature using the longest global dataset available, … Continue reading

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CATS = Cycles Analysis & Timeseries Software

CATS is free. It is a comprehensive package for collecting and processing time series with a special emphasis on cycles research. It comes with hundreds of interesting time series from many disciplines ranging from ice age data at century intervals … Continue reading

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Cycles Research Institute Blog Guidelines

Cycles Research Institute web site is at We all know the rules for having a successful blog don’t we? * Be respectful of others. * No bad language or inappropriate content. * This blog is about cycles (the ones … Continue reading

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