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47 Articles

Solar Forcing of North Atlantic Temperature 1000 Years

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A paper reconstructs climate and solar activity over the past 1000 years and finds tiny changes in solar activity "have a considerable impact on the ocean-atmospheric dynamics in the North Atlantic, with potential effects on regional climate." The authors find low solar activity is associated with an increase in atmospheric blocking events and "modifies the flow of the westerly winds. We conclude that this process could have contributed to the consecutive cold winters documented in Europe during the Little Ice Age."

Real risk of a Maunder Minimum 'Little Ice Age' says Leading Scientist

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Solar scientist Professor Lockwood of Reading University studied isotopes in ice cores and believes solar activity is now falling more rapidly than at any time in the last 10,000 years. He found 24 different occasions when the sun was in exactly the same state as it is now - and the present decline is faster than any of those 24. Lockwood says a repeat of the Dalton solar minimum is 'more likely than not' to happen over the next few decades, and a the risk of a new Maunder minimum is 25-30%. The Maunder minimum corresponds to the colder part of the Little Ice Age. He believes that we are already beginning to see a cooling climate - witness the colder winters and poor summers of recent years.

IPCC Ignored Evidence Showing Sun's Clear Impact

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There's an overwhelming body of evidence showing a close correlation of the earth's cyclically fluctuating climate with solar activity. The IPCC fifth report takes only a cursory look at solar activity before simply dismissing the sun's impact. This article lists 123 peer-reviewed papers linking solar activity to climate published between 2008 and 2012 that the IPCC ignored.

Danish Experiment Confirms Cosmic Rays Promote Cloud Formation

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Researchers in the Technical University of Denmark (DTU) reported (September 4, 2013) that simulated cosmic rays form molecular clusters that grow to the sizes suitable for seeding clouds. Previous experiments had shown that cosmic rays created molecular clusters, but chemical theory suggested that few of them would grow large enough to seed clouds. The tests in a reaction chamber called SKY2 show that the chemical theory is incomplete and "unexpected chemistry" keeps the clusters growing. Solar magnetic flux changes modifies the cosmic rays reaching the lower atmosphere. The cosmic rays form aerosols large enough to seed cloud formation which has a large impact on global temperatures.

Solar and Planetary Oscillation Control on Climate Change

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Dr. Nicola Scafetta created an empirical model that uses a set of astronomic harmonics to simulate the observed climatic oscillations and an attenuation of the global climate model ensemble mean simulations to model the anthropogenic and volcano forcing effects. The empirical model outperforms the GCMs by better hind-casting the observed 1850-2012 climatic patterns. It is found that about 50-60% of the warming observed since 1850 was induced by natural oscillations likely resulting from harmonic astronomical forcings. The best estimate equilibrium climate sensitivity to doubling CO2 is 1.35 Celsius.

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