THE HOCKEY SCHTICK Tuesday, November 13, 2012
Dr. Ole Humlum, Professor of Geosciences at the University of Oslo, has published a summary and reply to comments on his groundbreaking paper demonstrating why man-made CO2 is not the driver of global warming. Dr. Humlum summarizes the main findings of his paper at a Norwegian website for geologists:
1. [Observations show] The temperature rise begins at sea level and spreads gradually to the land and atmosphere several months later. This is contrary to the IPCC CO2 hypothesis that atmospheric CO2 controls land and ocean temperature.
2. The geographical distribution of a CO2 increase doesn't start at 30-50 degrees North latitude, which one would expect if the source were mainly created by the fossil fuel industry and transport in the Northern Hemisphere. Instead, the increase of CO2 starts just south of the equator. This is contrary to the IPCC hypothesis that use of fossil fuels is the primary cause of increased CO2 levels.
Dr. Humlum notes that existing climate models are based on the improper assumption that CO2 controls temperature and have not provided skillful predictions so far. He concludes:
"One should therefore consider moving the focus of climate research from CO2 to the nature and significance of natural variation, both related to the sun and other [natural causes]. It is most likely where we will find the main reason for the present (and future) climate change."
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