An article appeared in The Australian today mentioning the IPA’s Jennifer Marohasy and Dr John Abbot on the issue of temperature data and climate change.
The article, by Graham Lloyd, began:
“Confidence is rising in two key aspects of healthy climate scepticism. First, climate models have run “hot” and been wrong in predicting the speed and extent of warming. Second, the extended slowdown in the rate of warming since the turn of the century was real.”
Further down in the article appeared these paragraphs:
“Other researchers have used proxy records and artificial intelligence computer programs to look for patterns in warming.”
“One paper, by John Abbot published in GeoResJ, uses a series of historic temperature proxy data sets such as tree rings to project what 20th-century warming would have been if there had not been an industrial revolution. Abbot found the IPCC methods over-estimate the role of human carbon dioxide emissions in temperature increase by a factor of six.”
“The use of proxy data, markers that scientists use for temperature change including coral, ice cores and tree rings, is widely accepted and formed the basis of the “hockey stick” predictions of runaway warming.”
“The findings of the Abbot paper, co-authored by Jennifer Marohasy, are supported by other international research.”
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