Adjusting New Zealand

“Putting these two graphs side by side, you can see huge differences. What is going on?

Why does NIWA’s graph show strong warming, but graphing their own raw data looks completely different? Their graph shows warming, but the actual temperature readings show none whatsoever!

Have the readings in the official NIWA graph been adjusted?

It is relatively easy to find out. We compared raw data for each station (from NIWA’s web site) with the adjusted official data, which we obtained from one of Dr Salinger’s colleagues. Requests for this information from Dr Salinger himself over the years, by different scientists, have long gone unanswered, but now we might discover the truth.

Proof of man-made warming

What did we find? First, the station histories are unremarkable. There are no reasons for any large corrections. But we were astonished to find that strong adjustments have indeed been made.

About half the adjustments actually created a warming trend where none existed; the other half greatly exaggerated existing warming. All the adjustments increased or even created a warming trend, with only one (Dunedin) going the other way and slightly reducing the original trend.

The shocking truth is that the oldest readings have been cranked way down and later readings artificially lifted to give a false impression of warming, as documented below. There is nothing in the station histories to warrant these adjustments and to date Dr Salinger and NIWA have not revealed why they did this.

One station, Hokitika, had its early temperatures reduced by a huge 1.3°C, creating strong warming from a mild cooling, yet there’s no apparent reason for it.

We have discovered that the warming in New Zealand over the past 156 years was indeed man-made, but it had nothing to do with emissions of CO2—it was created by man-made adjustments of the temperature. It’s a disgrace.” “Are we feeling warmer yet?” Prior posts here, here, here, here, and here.


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  1. papertiger Says:

    According to an open source computer engineer named Raymond, the CRU code shows a hockeystick hard-coded into the software.Eris S. Raymond on East Anglia CRU's Global Warming Fraud.""On 11/24, esr examined the code that, quite literally, creates the hockey stick graph in Hiding the Decline: Part 1 – The Adventure Begins:This, people, is blatant data-cooking, with no pretense otherwise. It flattens a period of warm temperatures in the 1940s 1930s — see those negative coefficients? Then, later on, it applies a positive multiplier so you get a nice dramatic hockey stick at the end of the century.All you apologists weakly protesting that this is research business as usual and there are plausible explanations for everything in the emails? Sackcloth and ashes time for you. This isn’t just a smoking gun, it’s a siege cannon with the barrel still hot.Comments on Hiding the Decline: Part 1 – The Adventure Begins:There was a brief note about it in a comment on someone else’s blog, enough to clue me that I should grep -r for ARTIFICAL. I dusted off my Fortran and read the file. Whoever wrote the note had caught the significance of the negative coefficients but, oddly, didn’t notice (or didn’t mention) the much more blatant J-shaping near the end of the series.–I have a closely related heuristic: any eco-related scare for which the prescription would result in a massive transfer of power to the political class is bogus.–krygny Says:November 25th, 2009 at 8:02 amWait just a second. Explain this to me like I’m 12. They didn’t even bother to fudge the data? They hard-coded a hockey stick carrier right into the program?!!ESR says: Yes. Yes, that’s exactly what they did.""—Papertiger says:This guy Salinger is from CRU so it stands to reason he uses their tricks.I wouldn't look for rational explanation for adjustments of individual surface stations. There probably won't be any for the above reasons. —Interesting sidenote. I posted the Raymond analysis in the comments of a SacBee news story on their environment page.People are allowed to vote on the comments, and along side the story the top voted comment is featured in a sidebar. For the better part of Friday the Raymond comment was the featured comment, then it was yanked down Real Climate style.The Sac Bee's version of "hide the decline".

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