NIWA is being sued by the NZ Climate Coalition, mainly due to the differences in data in this graph:
Niwa sued over data accuracy
The country’s state-owned weather and atmospheric research body is being taken to court in a challenge over the accuracy of its data used to calculate global warming.
The New Zealand Climate Science Coalition said it had lodged papers with the High Court asking the court to invalidate the official temperatures record of the National Institute of Water and Atmospheric Research (Niwa).
The lobby of climate sceptics and ACT Party have long criticised Niwa over its temperature data, which Niwa says is mainstream science and not controversial, and the raw data publicly available.
The coalition said the New Zealand Temperature Records (NZTR) were the historical base of NIWA’s advice to the Government on issues relating to climate change.
Coalition spokesman Bryan Leyland said many scientists believed although the earth had been warming for 150 years, it had not heated as much as Government archives claimed.
He said the New Zealand Meteorological Service had shown no warming during the past century but Niwa had adjusted its records to show a warming trend of 1degC. The warming figure was high and almost 50 percent above the global average, said Mr Leyland.
Full story here:
http://www.stuff.co.nz/national/4026330/Niwa-sued-over-data-accuracy
courtesy of WUWT
http://wattsupwiththat.com/2010/08/16/new-zealands-niwa-sued-over-climate-data-adjustments/
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