NIWA Media Release 26 November 2009

Warming over New Zealand through the past century is unequivocal.

NIWA’s analysis of measured temperatures uses internationally accepted techniques, including making adjustments for changes such as movement of measurement sites. For example, in Wellington, early temperature measurements were made near sea level, but in 1928 the measurement site was moved from Thorndon (3 metres above sea level) to Kelburn (125 m above sea level). The Kelburn site is on average 0.8°C cooler than Thorndon, because of the extra height above sea level.

Such site differences are significant and must be accounted for when analysing long-term changes in temperature. The Climate Science Coalition has not done this.

NIWA climate scientists have previously explained to members of the Coalition why such corrections must be made. NIWA’s Chief Climate Scientist, Dr David Wratt, says he’s very disappointed that the Coalition continue to ignore such advice and therefore to present misleading analyses.

NIWA scientists are committed to providing robust information to help all New Zealanders make good decisions.

See this page for more information about combining data from multiple sites in Wellington [Scoop copy here]

ENDS

Home Page | Science | Previous Story | Next Story

Copyright (c) Scoop Media

Gordon Campbell: On John Key’s Agenda For The Nation

There seemed to be three main components to John Key’s speech:

a) tax cuts largely paid for by a hike in GST
b) mining in national parks and on conservation land, while building more roads.
c) giving firms easier access to the r&d from Crown Research Institutes, so that business can continue to get the taxpayer to pick up the tab for the research that keeps them competitive.

After all, corporate welfare is always such a blessed thing – its only social welfare that corrodes enterprise and ambition. More>>