Auckland warming is deception
Guest author | September 1, 2010 | 9:37 pm
NIWA has recently provided a web page on how it combined the temperature records from weather stations at Albert Park and Mangere, to produce the ʻAucklandʼ component of the Instituteʼs Seven-station Series (7SS). This page displays a simple but fundamental flaw in NIWAʼs methodology.
The Albert Park weather station was established in 1909, when both the region and the park were young. But, as the population grew and the saplings became large trees, the site became progressively less suitable for measuring the temperatures of greater Auckland. Concerns long expressed by the NZ MetService were finally met in 1976 by a transfer to Mangere, then on the outskirts of the City.
After 70 years, a few problems
The problems of Albert Park are discussed by senior meteorologist JWD Hessell in a peer-reviewed paper published shortly after the move to Mangere:
“Visitors to this central city park today cannot fail to be impressed by the many large exotic trees, many of which were planted about the turn of the century and some of which, more especially those planted later, are still growing. The instrument enclosure is surrounded on all sides by trees and buildings which shelter the site to a great degree. Read more… »









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