Category Archives: Data and observations

Quantifying the anthropogenic contribution to atmospheric CO2

by Fred Haynie

I conclude that, the IPCC’s model assumptions that long-term natural net rate of accumulation is constant and anthropogenic emission rates are the only contributor to total long-term accumulation of atmospheric CO2, is false.

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Puzzle in the Atlantic

by Judith Curry

I’m scratching me head over this one.

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Taking Melbourne’s temperature

by Tom Quirke

The raw Melbourne temperature records of the Bureau of Meteorology are compared to the ACORN-Sat values. The ACORN-Sat adjustments are evaluated. This analysis shows evidence for a strong urban heat island effect.

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Temperature adjustments in Australia

by Euan Mearns

UK blogger Paul Homewood and Telegraph columnist Christopher Booker have managed to stir public interest in the veracity of adjustments made to temperature records by the Global Historical Climatology Network (GHCN).

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Differential temperature trends at the surface and in the lower atmosphere

by Roger Pielke Sr., Phil Klotzbach, John Christy and Dick McNider

An update is presented of the analysis of Klotzbach et al. 2009.

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Understanding Time of Observation Bias

by Zeke Hausfather

Global temperatures are adjusted to account for the effects of station moves, instrument changes, time of observation (TOBs) changes, and other factors (referred to as inhomogenities) that cause localized non-climatic biases in the instrumental record.

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Berkeley Earth: raw versus adjusted temperature data

by Robert Rohde, Zeke Hausfather, Steve Mosher

Christopher Booker’s recent piece along with a few others have once again raised the issue of adjustments to various temperature series, including those made by Berkeley Earth. And now Booker has double-downed accusing people of fraud and Anthony Watts previously insinuated that adjustments are somehow criminal .

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