The Curious Case of the Missing Thesis

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When the NZ Climate Science Coalition made an OIA request for the NIWA amendments which shaped the whole NZ temperature record, it was told the amendments came from a doctoral thesis submitted in 1981 by James Salinger.

NIWA’s General Counsel officially advised (on two occasions) that “the methodology is documented” in the thesis, but “the original worksheets and/or computer records used for the calculations in Dr Salinger’s thesis work are the property of Dr Salinger, who no longer works for NIWA.”

When NIWA belatedly published its Schedule of Adjustments on 9 February 2010, it explained that relocations of weather stations required before-and-after comparisons against an independent station. The document notes that “Salinger (1981) provides the results of these three-site inter-comparisons for the 7-station series, up to about 1975.” Continue Reading →