Sunday, September 19, 2010

Climate cycles

ScienceDaily (Sep. 14, 2010) — A study presented in Nature Geoscience suggests that changes in solar intensity and volcanic eruptions act as a metronome for temperature variations in the North Atlantic climate.

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The study also shows that the observed warming in the North Atlantic during the 20th century cannot be explained by the solar and volcanic activity alone. In the model, the increased emissions of CO2 and other well-mixed greenhouse gases to the atmosphere since the onset of the industrial revolution have to be included in order to simulate the observed temperature evolution.


It's a safe bet that global warming denialists will ignore the fact that the study shows that solar and volcanic activity alone cannot explain warming patterns in modern times, and tout this study as refuting greenhouse effects.


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