Tag Archives: Climate Sensitivity

The baseline problem

A baseline is simply a period of successive years whose average temperature is subtracted from a time series to produce temperature “anomalies”. One normally associates anomalies with weather station data where the baseline is then the 12 monthly seasonal averages … Continue reading

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30 years of IPCC assessment reports – How well have they done?

Over the last 30 years there have been 5 IPCC assessment reports on climate change.  I decided to compare each  warming predictions made at the time of publication to the consequently measured  temperatures. The objective is twofold. Firstly how well … Continue reading

Posted in AGW, Climate Change, climate science, CRU, Hadley, IPCC | Tagged , | 23 Comments

A new measurement of Equilibrium Climate Sensitivity (ECS)

A dynamic analysis of global temperature data  gives a value of ECS = 2.5C ± 0.5C . Values above 3.0C or below 2.0C are ruled out. This analysis is based on two assumptions: 1) That net climate forcing follows that … Continue reading

Posted in AGW, Climate Change | Tagged , | 52 Comments