Thursday, 20 May 2010

Crisis in New Zealand Climatology: The Warming That Wasn't

The official archivist of New Zealand’s climate records, the National Institute of Water and Atmospheric Research (NIWA), offers top billing to its 147-year-old national mean temperature series (the “NIWA Seven-station Series” or NSS). This series shows that New Zealand experienced a twentieth-century warming trend of 0.92°C.

The official temperature record is wrong. The instrumental raw data correctly show that New Zealand average temperatures have remained remarkably steady at 12.6°C +/- 0.5°C for a century and a half. NIWA’s doctoring of that data is indefensible.

The NSS is the outcome of a subjective data series produced by a single Government scientist, whose work has never been peer-reviewed or subjected to proper quality checking. It was smuggled into the official archive without any formal process. It is undocumented and sans metadata, and it could not be defended in any court of law. Yet the full line-up of NIWA climate scientists has gone to extraordinary lengths to support this falsified warming and to fiercely attack its critics.

It seems to me that indications of Global Warming have stemmed from short term temperature fluctuations (likely caused be changes in the Sun's output) and from variations in ocean currents like seen with el Nino. Some areas have warmed slightly and some have remained constant. At present the Global Temperature seem to be in decline (aka "hide the decline").

[Posted at the SpookyWeather blog, May 20th, 2010.]

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