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Dan Pangburn
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Identification of the three factors (the sun and two others), in an equation which matches average global temperature (98% 1895-2015), is at http://globalclimatedrivers2.blogspot.com
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Climate has always changed. The most recent change is that it stopped warming.
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Dan Pangburn commented on a post on Blogger.
The physics of thermalization explain why CO2 change has no significant effect on average global temperature.

Two natural drivers have been identified that do explain measured average global temperatures since before 1900 with R^2>0.9 (95% correlation) and credible values back to 1610. Global Warming ended before 2001. The current trend is down.

Search AGW unveiled for the method, equation, data sources, history (hind cast to 1610) and predictions (to 2037).
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Dan Pangburn commented on a post on Blogger.
‘Other molecules’ outnumber CO2 molecules by approximately 2500 to 1.
When a molecule of atmospheric CO2 absorbs a photon of terrestrial EMR it immediately (less than 0.1 microsecond, hyperphysics calc is about 0.1 nanosecond) bumps into other molecules handing off the added energy in a process called thermalization (some spell it thermalisation). Once it has handed off the energy it cannot emit a photon. 

Thus the only influence that added CO2 can have is to cause the absorption/thermalization process to move slightly closer to the emitting surface. 

Why isn’t thermalization (or thermalisation) mentioned in IPCC reports?

Two natural drivers have been identified that explain measured average global temperatures since before 1900 with R^2>0.9 (95% correlation) and credible values back to 1610. Global Warming ended before 2001 http://endofgw.blogspot.com/. The current trend (from a graph for longer than a century) is down.

The method, equation, data sources, history (hind cast to 1610) and predictions (to 2037) are provided at http://agwunveiled.blogspot.com and references.

CO2 change is NOT one of the drivers.
A Medley of Potpourri
A Medley of Potpourri
amedleyofpotpourri.blogspot.com
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Dan Pangburn commented on a post on Blogger.
Hot, windless evenings with the tide changing direction might be a problem if there is no backup for renewables. The Europeans found out the hard way.
Global Geothermal News: California:
Global Geothermal News: California:
geothermalresourcescouncil.blogspot.com
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Dan Pangburn commented on a post on Blogger.
Two natural primary drivers of average global temperature have been identified. They very accurately explain the reported up and down measurements since before 1900 with R2>0.9 (correlation coefficient = 0.95) and provide credible estimates back to the low temperatures of the Little Ice Age (1610). 

The method, equation, data sources, history (hind cast to 1610) and predictions (to 2037) are provided at http://agwunveiled.blogspot.com and references.
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Dan Pangburn commented on a post on Blogger.
An unfunded engineer, in search of the truth, discovered that CO2 change, and therefore human activity, does not cause global warming. But this leaves the question of what actually does drive average global temperature change.

Two primary drivers of average global temperature have been identified. They very accurately explain the reported up and down measurements since before 1900 with R2>0.9 (correlation coefficient = 0.95) and provide credible estimates back to the low temperatures of the Little Ice Age (1610). 

The influence of CO2 change is insignificant. 
Coefficient of determination, R2 = 0.9049 considering only sunspots and ocean cycles.
R2 = 0.9061 considering sunspots, ocean cycles and CO2 change.

Solar cycle duration or magnitude fail to correlate but their combination, expressed as the time-integral of solar cycle anomalies, gives an excellent correlation. A solar cycle anomaly is the difference between the sunspot number for a year and an average sunspot number for many years. 

The calculations use data since before 1900 which are official, accepted as valid and are publicly available. 

The coefficients of determination are a measure of how accurately the calculated average global temperatures compare with measured.

Everything not explicitly considered (such as the 0.09 K s.d. random uncertainty in reported annual measured temperature anomalies, aerosols, CO2, other non-condensing ghg, volcanoes, ice change, etc.) must find room in the unexplained 9.51%.

The tiny difference in R2, whether considering CO2 or not, demonstrates that CO2 change has no significant effect on climate.

The method, equation and data sources are provided at http://agwunveiled.blogspot.com and references.
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Dan Pangburn commented on a post on Blogger.
Coefficient of determination, R2 = 0.9049 considering only sunspots and ocean cycles.
R2 = 0.9061 considering only sunspots, ocean cycles and CO2 change.

The calculations use publicly available data since before 1900. The coefficient of determination is a measure of how accurately calculated average global temperatures compare with measured.

Everything not explicitly considered (such as the 0.09 K s.d. random uncertainty in reported annual measured temperature anomalies, aerosols, CO2, other non-condensing ghg, volcanoes, ice change, etc.) must find room in the unexplained 9.51%.

The tiny difference in R2, whether considering CO2 or not, demonstrates that CO2 change has no significant effect on climate.

The method, equation and data sources are provided at http://agwunveiled.blogspot.com and references.
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