Man-made temperatures

Ex-climatologist Jim Salinger has penned an article for Australia’s The Conversation regarding his 30-year-old version of New Zealand average temperature trends and recent efforts to have the High Court order its removal from NIWA’s official website.

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Salinger’s version was initially published in 1980, when he was a student at Victoria University. It relied upon seven geographically representative stations with long-term data (‘Seven-station Series’, or ‘7SS’). The article acknowledged the temperature data had been ‘homogenised’ but offered no details. The graph showed a warming trend of 1.1 °C from 1853 to 1975. Continue Reading →