Climate Conversation Group

Well, is the country warming or isn’t it?

Here’s an article written by one of the scientists in the NZ Climate Science Coalition (we like to call him Rupert Postlethwaite). Rupert is as much a wordsmith as a boffin and we hope you enjoy his easy-to-read account of the controversy over our national temperature record. He transforms a potentially boring topic into a lively entertainment. Because it was written last year, it does not represent the latest twists and turns in the saga and the numbers are slightly different, but if you forgive those little lapses, he does give a good account of the basic issues. Especially, he makes the reasons for adjusting the temperature readings easy to understand. Feel free to let us know what you think of it.

Air temperature is usually recorded even today with instruments like this one — crude, simple and accurate enough, yet sometimes subject to substantial slip-ups.

So, about that Global Warming…

If someone were to ask you the question “Has New Zealand warmed significantly over the past 100 years?” you’d be excused for looking at them somewhat askance. Askew, even.

“Of course it has,” you’d reply, somewhat taken aback at the audacity of the query. You might at this point make some notes regarding the questioner, just in case. You never know.

“Just look at the data,” you’d respond. “NIWA shows it clearly on their site. You can see a graph showing how we’ve warmed a full degree over the past century. See?”

NIWA’s graph of the NZ annual temperature series.

“And Greenpeace says we’re all gonna die,” you’d add, helpfully. Read more… »