Abstract
A cause-effect relationship between global temperature as a climatic change indicator and some of the main forcing mechanisms (Atmospheric CO2 concentration, solar radiation and volcanic activity) are analyzed in this paper through time series analysis for the 1610-1990 AD period comparing trends and variability for the frequency spectrums. Temperature seems to fit the CO2 trend for the last century, but we found no cause-effect relationship for this interval. The frequency analysis shows a correlation between radiation and temperature for a period of 22 years. Volcanism presents an inverse relationship with temperature better seen at a decadal scale.
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References
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