Slate reads too much into new temperature paper

10/02/2016 3:14 pm \ 4 Comments \ by Richard Treadgold

A paper on US temperature adjustments was published in Geophysical Research Letters on February 5. Download full text here, (pdf, 1.5MB). The University of York has information about the paper including handy links to data.

The paper examines and offers improvements to adjustments to the continental US surface temperature record. The abstract is easy to read and understand:

Numerous inhomogeneities including station moves, instrument changes, and time of observation changes in the US Historical Climatological Network (USHCN) complicate the assessment of long-term temperature trends. Detection and correction of inhomogeneities in raw temperature records have been undertaken by NOAA and other groups using automated pair-wise neighbour comparison approaches, but these have proven controversial due to the large trend impact of homogenization in the United States. The new US Climate Reference Network (USCRN) provides a homogeneous set of surface temperature observations that can serve as an effective empirical test of adjustments to raw USHCN stations. By comparing nearby pairs of USHCN and USCRN stations, we find that adjustments make both trends and monthly anomalies from USHCN stations much more similar to those of neighbouring USCRN stations for the period 2004-2015 when the networks overlap. These results improve our confidence in the reliability of homogenized surface temperature records.

Slate’s response is straight out of the “I told you so” playbook but they haven’t actually read the paper. Continue Reading →

Posted in: General \ Tagged: Data quality, Temperature records, USA

Independent scientists to referee global temperature adjustments

27/04/2015 10:30 pm \ 18 Comments \ by Richard Treadgold

Professor Terence Kealey.

Source: Inquiry Launched Into Global Temperature Data Integrity

London: 26 April 2015. The London-based think-tank the Global Warming Policy Foundation is today launching a major inquiry into the integrity of the official global surface temperature records.

An international team of eminent climatologists, physicists and statisticians has been assembled under the chairmanship of Professor Terence Kealey, the former vice-chancellor of the University of Buckingham.

Further details of the inquiry, its remit and the team involved can be seen on its website at www.tempdatareview.org. Continue Reading →

Posted in: General \ Tagged: Data quality, GWPF, NZ temperature records, NZCSC, Temperature records

WUWT breaks NOAA record

09/08/2012 8:02 pm \ 9 Comments \ by Richard Treadgold

Anthony Watts has done it again and given the big boys a bloody nose – this time over the US temperature record.

NOAA announced today:

The average temperature for the contiguous U.S. during July was 77.6°F, 3.3°F above the 20th century average, marking the hottest July and the hottest month on record for the nation. The previous warmest July for the nation was July 1936 when the average U.S. temperature was 77.4°F. The warm July temperatures contributed to a record-warm first seven months of the year and the warmest 12-month period the nation has experienced since recordkeeping began in 1895.

Anthony had always wondered why NOAA didn’t provide data from the brand-spanking-new United States Climate Reference Network (USCRN). So he did it himself. Continue Reading →

Posted in: General \ Tagged: Data quality, NOAA, USA, Watts Up With That

NZ temperature record — it’s worse than we thought

01/02/2012 4:05 pm \ 11 Comments \ by Richard Treadgold

Thanks to those who advised me of this amazing email from the Climategate 2 collection, either through comments here or private email. It concerns the pre-1930 cooling of the New Zealand temperature record, and makes food for thought, especially for those supporting NIWA, Salinger and the increasingly shaky AGW story. Although it’s more of a novel, and a bad one at that, with gaping holes in the plot and evidence so carelessly thrown together it fools nobody. Now, as many of us feared was the case, comes evidence that the NZ temperature record has been applied to far more places than where it was observed. We now know it was stretched over far-flung places it was never intended to go. This is the worst result possible.

Cc: t.osborn@uea.ac.uk
date: Mon, 7 Sep 2009 00:13:56 +0100 (BST)
from: “Tim Osborn”
subject: New Zealand summer temps
to: p.jones@uea.ac.uk

Hi Phil,

just a quick Q before I go to bed!

I’ve just updated the IPCC paleo chapter Southern Hemisphere plot where we
showed, amongst other things, Ed Cook’s New Zealand TRW reconstruction,
with CRUTEM2v Jan-Mar smoothed temperatures.

For my update I’ve used CRUTEM3v, expecting them to be rather similar but
with a few more years on the end.

But the pre-1930 temperatures are now very different, being much cooler
(by > 0.5 degC for a 25-year low-pass mean) in CRUTEM3v than CRUTEM2v.
Previously they had been, on average, near or even above the 1961-1990
mean, now they’re at -0.5 degC.

Is this a result of some homogenization work on New Zealand summer temp
data? Or just some random artefact of minor changes somewhere?

Cheers

Tim

— Dr. Tim Osborn RCUK Academic Fellow Climatic Research Unit School of Environmental Sciences University of East Anglia Norwich NR4 7TJ, UK www.cru.uea.ac.uk/~timo/

Posted in: General \ Tagged: Air temperature, Air temperature, Climate research, Data quality, General, Global temperature, New Zealand, NIWA, NIWAgate, NZ temperature records

More about the NZ temperature record

29/01/2012 12:43 pm \ 4 Comments \ by Richard Treadgold

Errors in the new 7SS

The shocking breakthrough in our audit is that NIWA didn’t use the adjustment method they said they would use. Barry Brill, chairman of the Coalition, released an overview entitled New Zealand Unaffected by Global Warming (pdf, 1.3 MB). The discovery that the country hasn’t experienced global warming is another startling finding. In Chapter 8, on page 24, he identifies nine criticisms of NIWA’s newest 7SS. These multiple defects destroy the credibility of the 7SS as a source of the NZTR. Continue Reading →

Posted in: General \ Tagged: Air temperature, Air temperature, Climate research, Climate science, Data quality, General, New Zealand, NIWA, NIWAgate, NZ temperature records

NOAA conducts Orwellian revision of empirical evidence

08/01/2012 11:03 pm \ 12 Comments \ by Richard Treadgold

We’ll get that data fixed up in no time. – NOAA ~~technicians~~ ~~philosophers~~ ~~thinkers~~ strategists

From American Thinker via C3.

This came up a few days before Christmas. I didn’t get to it then but it needs airing. The surface temperature series of GISS and HadCrut are scarcely worth the disk drives they’re stored on. No wonder the records show warming.

It’s a joke. 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. That seems familiar — now where have I read that before…

NOAA changes old temperature records every month. This is a new climate sport in which we imagined Kiwis led the world. But the Yanks have more stamina. They don’t just do it once, they keep on doing it. The data-altering champions in NOAA and NASA put the climate scientists in NIWA to shame. Continue Reading →

Posted in: General \ Tagged: Climate research, Data quality, General, Temperature records, USA

Global warming spreads by word of morph

21/12/2011 8:11 pm \ 6 Comments \ by Richard Treadgold

Here in New Zealand, the NZ Climate Science Coalition has battled for several years to understand the national temperature record and get the data released that lies behind it. Now we battle to correct it.

Because NIWA, in “reconstructing” the record, manages miraculously to lower past temperatures and increase recent ones to create a spurious warming that overstates the actual national warming over the last hundred years by 168%!

We’ve told NIWA about it and we’ve sent them our report that proves it, but they refuse to acknowledge our finding, much less explain themselves. It is a national disgrace which our newspapers, magazines, radio stations and television channels strangely refuse to investigate.

The warming is truly man-made, for it hasn’t happened in the real world, it has been created only by the adjustments.

Now, from C3 Headlines, we learn that an even more invidious process has been going on in the United States. Continue Reading →

Posted in: General \ Tagged: Air temperature, Climate research, Climate science, Data quality, General, Global temperature, NIWAgate, NOAA, NZ temperature records, USA

Tepid support from BoM

09/01/2011 1:22 pm \ 8 Comments \ by Guest author

The Australian Bureau of Meteorology gives less than sunny support to NIWA’s review of the NZ temperature record. As heat, it’s distinctly tepid. As illumination, it leaves us firmly in the dark.

Constrained support

— by Barry Brill, Chairman of the New Zealand Climate Science Coalition

The Australian Bureau of Meteorology (BoM), like the National Institute of Water and Atmospheric Research (NIWA) in New Zealand, is an advisory group of Government scientists responsible for the compilation and maintenance of official temperature records.

After NIWA scientists rewrote the official NZ temperature record — the Seven-Station Series — during 2010, their ‘Review Report’ included a letter of support from the BoM. This was seen as necessary, as NIWA’s credibility had been somewhat strained by its lengthy (and ultimately futile) defence of the old record.

Some are critical of the selection of the Bureau to review work by NIWA, as both groups have been widely criticised (especially in the blogosphere) for applying the same biases and questionable adjustment methods. See, for example, Australian Temperatures in cities adjusted up by 70%!? at Jo Nova’s blog.

As climate archivists, both agencies are extensively engaged in the work of the IPCC; and both are firmly of the school of thought led by Professor Phil Jones, head of the Climatic Research Unit at the University of East Anglia (UEA).

The NZ Climate Science Coalition wrote to Science Minister Wayne Mapp, suggesting the appointment of two genuinely independent reviewers, and putting forward names of highly regarded scientists and statisticians. Continue Reading →

Posted in: General \ Tagged: Barry Brill, BOM, Climate research, Data quality, General, NIWA, NIWAgate, NZCSC

The 11SS — a Dog that didn’t bark

05/01/2011 12:31 pm \ 15 Comments \ by Richard Treadgold

Too stunned to bark.

One of the best-known episodes in The Memoirs of Sherlock Holmes is “Silver Blaze”, concerning “the curious incident of the dog in the night-time”. Curiously, the dog did nothing. Sherlock rightly deduced that because the dog didn’t bark, there could have been no intruder.

A similar deduction may be made in regard to the silence which now surrounds NIWA’s heavily promoted “Eleven-Station Series” (11SS).

Interested observers naturally expected that the 11SS would again feature strongly in the NIWA Review Report as support for the new NZTR. But, to their utter surprise, they discovered that it’s been left out!

The Review Report flails around seeking supporting evidence from sea temperatures, wind flows, etc., but there is nary a word about the once-talismanic 11SS. One may scour the whole 169 pages, and delve among the footnotes, to no avail.

The 11SS is highly conspicuous in its absence. As it does not bark in the Review Report, we can surmise that it will never bark again. Although it did not join the 7SS in being whipped off the website within hours, it appears to be an equally deceased canine. Continue Reading →

Posted in: General \ Tagged: BOM, Climate research, Data quality, General, NIWA, NIWAgate, NZ temperature records

NIWA generating warmth

09/12/2010 9:01 pm \ 6 Comments \ by Guest author

NIWA temperature adjustments, before and after

The official NZ temperature graph showing both the raw readings and the effect of NIWA’s adjustments. Click for larger version.

— by Barry Brill, Chairman of the New Zealand Climate Science Coalition

This graph summarises how NIWA’s recent adjustments to the historical temperature data has created a 20th century warming trend of 1.0°C. There were 22 changes in the period 1900-75 and almost all of those adjustments went downwards. Over 90% of the adjusted station-years moved in the same direction – a very surprising result.

Another curious aspect of the NIWA adjustments is that their amplitude is almost directly proportional to their chronological age. The further back one goes from 1975, the larger the adjustment becomes. Continue Reading →

Posted in: General \ Tagged: Air temperature, Climate research, Data quality, Jim Salinger, NIWA, NIWAgate, NZ temperature records

What’s left of the NIWA case?

10/10/2010 9:36 am \ 25 Comments \ by Richard Treadgold

We hope justice will be done in the case against NIWA. Separate question: what of justice for the NZ temperature record?

The status of the NZ temperature record

For the last ten years, visitors to NIWA’s official website have been greeted by a graph of the “seven-station series” (7SS), under the bold heading “New Zealand Temperature Record”. The graph covers the period from 1853 to the present, and is adorned by a prominent trend-line sloping sharply upwards. Accompanying text informs the world that “New Zealand has experienced a warming trend of approximately 0.9°C over the past 100 years.”

The 7SS has been updated and used in every monthly issue of NIWA’s “Climate Digest” since January 1993. Its 0.9°C (sometimes 1.0°C) of warming has appeared in the Australia/NZ Chapter of the IPCC’s 2001 and 2007 Assessment Reports. It has been offered as sworn evidence in countless tribunals and judicial enquiries, and provides the historical base for all of NIWA’s reports to both Central and Local Governments on climate science issues and future projections.

NIWA has a printed promotional brochure describing its climate activities, which commences with the iconic 7SS graph. No piece of climate lore is more familiar to the public, and it is better known than NIWA’s logo.

But now, para 7(a) of NIWA’s Statement of Defence states that “there is no ‘official’ or formal New Zealand Temperature Record”.
Continue Reading →

Posted in: General \ Tagged: Court action, Data quality, General, NIWA, NIWAgate, NZ temperature records, NZCSC

Temperature adjustments science or art?

21/09/2010 5:34 pm \ 8 Comments \ by Guest author

A beautiful, solidly iced-up waterfall shows that temperature extremes can be inherently artistic. The investigations of the NZCSC into the national temperature record make it obvious that temperature adjustments can also be artistic — even when their creators try to present them as being solidly scientific.

Barry Brill rips into NIWA’s showcase paper on the Hokitika weather adjustments — the one intended to demonstrate that data adjustment is science rather than art. – Richard Treadgold

— by Barry Brill, Chairman of the New Zealand Climate Science Coalition

In February 2010, NIWA published a showcase paper titled Creating a Composite Temperature Record for Hokitika, offering details of adjustments it made to the NZ Climate Database for the Hokitika Airport weather station — one of the “Seven-station Series” (7SS) which makes up the official New Zealand temperature record.

The NZ MetService measurements for Hokitika cover the 20th century and display no significant linear trend up or down. The temperature recorded here in 1900 was 11.8°C, while 2008 was 11.93°C, and the 30-year average from 1971–2000 was 11.74°C.

The NIWA-adjusted version, on the other hand, shows a linear warming trend of 1.3°C, largely brought about by downward adjustments in the Hokitika temperatures in the first half of the century. The justification for those adjustments has been cited repeatedly as being an Appendix to a university thesis submitted in 1981 (see “The Salinger Thesis”).

Here are the two temperature records together: the MetService raw data showing a little warming trend, overlaid with the NIWA-adjusted official record, “proving” strong warming 50% higher than the rest of the world.

The Hokitika details were made public as a worked example of the adjustments that NIWA has made to all seven weather stations in the 7SS, in consequence of the Salinger thesis. Accordingly, the credibility of the entire project stands or falls on the strength of reasoning advanced for the Hokitika alterations.

But that reasoning is not sound. Continue Reading →

Posted in: General \ Tagged: Air temperature, Air temperature, Climate research, Climate science, Data quality, General, NIWA, NIWAgate, NZ temperature records, NZCSC

Seventy years is plenty

20/09/2010 6:01 pm \ 25 Comments \ by Guest author

The unadjusted NZ temperature history. Click for larger version.

Barry Brill makes a strong case for the New Zealand temperature record to ignore the period before 1930. In essence, he says that a 70-year-long record is plenty long enough to establish a trend, and in any case the early data is either missing or unreliable — just chuck it out! He says it at greater length and more politely than that in a sometimes tongue-in-cheek article that makes sly digs at NIWA for the mistakes or naked bias that have given us a deeply suspect temperature “history.” – Richard Treadgold

— by Barry Brill, Chairman of the New Zealand Climate Science Coalition

Climate Change policy is driven by forecasts of temperatures over the next 100 years. But the computer models need to be checked against the actual temperature trends of the last 100 years. If back-casts are wrong, then fore-casts will also be wrong.

The NZ temperature record averages seven weather stations — Auckland, Masterton, Wellington, Nelson, Hokitika, Lincoln and Dunedin — through the twentieth century. But there are many gaps and flaws up to about 1930 and, apart from these seven, there are very few other records to use as benchmarks.

First 30 years a chequered history

Auckland: Moved from the Museum to Albert Park in late 1909, and was affected by rapid tree growth and urbanisation during the next 20 years. Continue Reading →

Posted in: General \ Tagged: Air temperature, Climate research, Data quality, NIWA, NIWAgate, NZ temperature records, NZCSC

Lincoln – a comedy of errors

06/09/2010 2:00 pm \ 7 Comments \ by Guest author

Shakespeare mastered the arts both of comedy and tragedy; occasionally they play simultaneously. Hence the spectacle of NIWA’s slapstick, slapdash, cobbling together of any old temperature series, set against the patient, single-minded, skilled-amateur analysis by members of the Coalition.

It would be easy to overlook this little paper, but don’t be tempted! In the context of “NIWAgate”, our legal move against NIWA and world-wide action to clarify temperature records which seem to bolster claims of unprecedented warming, Barry Brill’s revelations are dynamite! We asked NIWA what changes they made and why. NIWA said we’d find it in certain papers. Now, for the first time, Barry shows decisively that those papers don’t contain either the changes or the reasons they were made. NIWA’s duplicity is indisputable. Is this the behaviour we want from our premier climate research agency? – Richard Treadgold

— by Barry Brill, Chairman of the New Zealand Climate Science Coalition

The weather station at Lincoln is one of the seven which make up the official NZ Temperature Record over the past 100 years. It shows a strong warming trend as a result of downwards adjustments which NIWA made in respect of the pre-WW2 period. But those adjustments rely upon a curious methodology which is not supported by any of the peer-reviewed literature.

The original temperature data for the Lincoln weather station – recorded by the NZ MetService, and now downloadable from NIWA’s official Climate Database – shows no warming trend over the past 100 years.

More adjustments that cause warming

The Schedule of Adjustments (SoA) prepared by Dr Brett Mullan and posted on the NIWA website on 9 February 2010, shows five downwards adjustments in the period 1881-1943 and two upwards adjustments during 1944-75. All seven alterations to the NZ MetService climate database are trend-favourable, and comprise the sole source of the reported warming trend. Continue Reading →

Posted in: General \ Tagged: Air temperature, Air temperature, Climate research, Data quality, Judicial Review, NIWA, NIWAgate, NZ temperature records, NZCSC

Auckland warming is deception

01/09/2010 9:37 pm \ 12 Comments \ by Guest author

— by Barry Brill, Chairman of the New Zealand Climate Science Coalition

UPDATE, below. Stunning new insights from Salinger’s thesis.

NIWA temp adjustments with scales of justice

Here is further explanation of why the Coalition put together an application for a judicial examination of the national temperature record.

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. Continue Reading →

Posted in: General \ Tagged: Data quality, NIWA, NIWAgate, NZ temperature records, NZCSC

A tale of two hemispheres

29/08/2010 9:10 pm \ 3 Comments \ by Richard Treadgold

Every brain has two hemispheres, each involved with a different set of functions. The Earth has two Hemispheres, too, Northern and Southern, which also function differently.

Running this blog, people send me stuff.

My new friend Jim has sent me a wonderful graph that pits NASA against NIWA in a way most apposite for our stoush with them. Here’s the graph, showing basically that the Southern Hemisphere has warmed more slowly than the Northern Hemisphere:

A graph with surprising repercussions for New Zealand.

This must be compared with the official NZ graph from NIWA.

Official NIWA graph of the New Zealand temperature history. It reveals some remarkable dissimilarities to the NASA graph, above.

Jim said:

The Goddard Institute for Space Studies [GISS, a division of NASA] explains that the temperature increase in the Southern Hemisphere is less than the Northern due to it being mainly water and that water has a greater temperature inertia than land.

The NASA chart says that a 0.5°C increase has taken place in the Southern Hemisphere as a whole over the 20th century — well below the global average.

NIWA scientists, on the other hand, claim their data series is correct and that New Zealand is warming considerably faster than global averages. Why is a maritime country like New Zealand so anomalous to the rest of the Southern Hemisphere?

Which means that NIWA’s official national temperature series has some well-credentialled scientific opposition. Surely Wratt et al. will struggle to refute the well-muscled NASA without surrendering some humiliating ground. Continue Reading →

Posted in: General \ Tagged: Data quality, General, Global temperature, New Zealand, NIWA, NZ temperature records

A swelling debate — Chris has questions

29/08/2010 3:34 pm \ 35 Comments \ by Richard Treadgold

NIWA's temperature adjustments at Hokitika

We question NIWA not just about the reasons for temperature adjustments, but also their correctness. A good example is found at Hokitika, including one of the largest adjustments: -2.0°C prior to 1912. Why is it so large? The data before 1912 looks unusable — why did they use it? Click for larger version. For further revelations about Hokitika and other adjustments read the NZCSC scientist Rupert Postlethwaite’s article Well, is the country warming or isn’t it?

In the last week or so one “Chris” (I can’t give his surname without his permission) has begun asking some well-informed questions and putting some well-aimed objections to our campaign against the national temperature series protected, I mean produced, by NIWA.

He’s putting increasing efforts into his writing, such that his last comment amounts to some 400 words. He demonstrates an impressive commitment.

When I realised my response had reached 1300 words I knew it had to become a separate post, both to honour Chris’s honest efforts and to more prominently feature the arguments he was making. Many of the things he says are widely said so our rebuttals should be given more prominence. Continue Reading →

Posted in: General \ Tagged: Data quality, NIWA, NIWAgate, NZ temperature records, NZCSC

Background to our application for judicial review

15/08/2010 6:32 pm \ 4 Comments \ by Richard Treadgold

More about a judicial examination of the national temperature record.

The following sets out the background of the NZCSC’s application and provides some vital context.

The National Institute for Water and Atmospheric Research (NIWA) is a Crown Research Institute (CRI), contracted by the Government to be its sole adviser on scientific issues relating to climate change.

NIWA’s National Climate Centre is responsible for maintaining the National Climate database, mainly comprising records compiled by the NZ Met Service during the period 1853-1992. This archive finds its greatest significance in the New Zealand Temperature Record (NZTR), showing mean average surface temperatures throughout the twentieth century.

In 1999, the National Climate Centre adopted a “Seven-station Series” (7SS) as the basis of the NZTR. The stations (Auckland, Masterton, Wellington, Nelson, Hokitika, Lincoln & Dunedin) are geographically spread and considered to represent New Zealand as a whole. The 7SS graph and spreadsheet appear on NIWA’s website www.niwa.co.nz/news-and-publications/news/all/2009/nz-temp-record. Continue Reading →

Posted in: General \ Tagged: Climate Conversation Group, Data quality, New Zealand, NIWA, NIWAgate, NZ temperature records, NZCSC

NIWA temperature series problems — Part 1

24/05/2010 5:14 pm \ 4 Comments \ by Richard Treadgold

A survey begins

When we published our paper Are we feeling warmer yet? last November, criticising the Seven-station Series (SS), NIWA quickly produced what they call the “Eleven-station Series” (ES) to counter it. They went to the trouble of asking Dr Jim Salinger, recently dismissed and author of the original national temperature series, to help them create it, which makes us realise that nobody at NIWA understands how he produced the original figures.

According to the NZ Herald, Jim specially selected the stations for the ES.

Some people would be impressed by that news, but others find their antennae stiffening at the idea of “specially selecting” data for any reason. It might be justified, but then again, it might not. The situation calls for careful study. So what has happened? We can say a few things about it.

Scientists in the Coalition have had a look at the new series and found problems with it. Continue Reading →

Posted in: General \ Tagged: Air temperature, Climate research, Data quality, NIWA, NIWA ES, NIWAgate, NZ temperature records

Humans to blame for climate change. Yeah, right.

07/03/2010 1:20 am \ 2 Comments \ by Richard Treadgold

The Holy Bible, once widely considered the word of God. A new scripture has arisen in the name of “The Environment” claiming it has the right to avoid change. Though Nature has constantly changed the environment and always will, the new scripture hectors us to spend a lot of time and money to ensure that it doesn’t change. If a change is observed, the religion states that it’s a problem, it’s our fault and we must act in super-human ways to change it back again as soon as possible. Apparently it is our duty to do this because we are fundamentally wicked and selfish and we don’t deserve to be here on this nice planet.

From the Independent, written by Steve Connor, Science Editor, and echoed uncritically by the NZ Herald yesterday, comes an amazing story of faith. It must be faith because it cannot be science — there are too many opinions and the facts are wrong.

With the original Independent headline advertising the ignorance the story is steeped in (Humans must be to blame for climate change, say scientists) the articles of faith are reiterated for the global warming multitudes.

Harken ye unto them, that ye stray not from the green and carbon-free path of righteousness, I say unto thee, even your sons and your grandsons, keep to these my commandments, yea, even unto the hundredth year from this day, when, verily, these green prophecies shall surely come to pass, but, the Lord says, not before then.

But it’s a message with no punch

First we hear the strong conclusion we are to take from the story to come:

Climate scientists have delivered a powerful riposte to their sceptical critics with a study that strengthens the case for saying global warming is largely the result of man-made emissions of greenhouse gases.

Hear how quickly, as you read that, the idea of a “powerful riposte” dissipates into thin air. So the study merely “strengthens the case” for saying global warming is “largely” the result of our emissions. Well, there’s nothing quite like confidence for persuading people, is there? But they’re not prepared to say this proves anything. This is a message with no punch. Continue Reading →

Posted in: General \ Tagged: Climate research, Data quality, Disproving AGW, General, Journalism, NZ Herald, What is the evidence

NIWA not trusted

04/03/2010 11:31 pm \ 1 Comment \ by Richard Treadgold

Peeling the onion in the Parliament. Like the onion, everything associated with Parliament has layers. As we make our way through the Parliamentary questions we discover more and more.

We’re working through several answers from the Hon Wayne Mapp, Minister of Research, Science and Technology, concerning questions posed by ACT about the National Institute of Water and Atmospheric Research (NIWA).

Dr Mapp was asked on 19 Feb, 2010:

If only raw temperature data is supplied by NIWA to NASA, NOAA and the Hadley Centre, what additional information is supplied so that NASA, NOAA and the Hadley Centre are able to make their own judgements about temperature adjustments?

To which he answered:

Along with the raw data NIWA provides latitude, longitude, altitude of the site, period of record, along with information on site exposure and instrument history.

Why don’t the overseas agencies trust NIWA to make accurate adjustments? Have they found reasons to doubt they were made properly?

For that matter, why do NIWA mistrust the adjustments made by NASA, NOAA and the others? Why do they make their own?

Posted in: General \ Tagged: Climate research, Data quality, NIWA

Perrott pouts a porky

04/03/2010 9:34 pm \ Leave a Comment \ by Richard Treadgold

The book Hot Topic is as mistaken in its theme as in its angst-ridden depiction of a melting New Zealand. It’s author defends NIWA, no matter what, yet NIWA’s own graph demonstrates no New Zealand warming since about 1950. Why doesn’t he believe what they’re telling us? His book is entirely superfluous.

I see now that two days ago Ken Perrott made a short but incorrect comment at Hot Topic which should be rebutted:

My comments at Treadgold’s blog are now deleted.

Ken, whose repetitive comments here, with their artificial argumentation, became quite vexing, risks misleading Hot Topic’s readers into believing I deleted all his comments. For that is not true.

Actually, only Ken’s latest comment was deleted, for being derogatory, personal and in bad taste. I deleted a comment only after repeated warnings not to indulge in ad hominem remarks, which he ignored. It’s easy to verify that all his previous comments are still sitting here, ready to illuminate us.

Just stand around shouting insults

No doubt pluralising his “comment” was indeliberate and I look forward to his apology when he hears of my rebuttal.

Looking at some of the other comments, I’m surprised to see that scarcely a sentence mentions the national temperature record, which is what I’m talking about. Or perhaps not surprised, having noticed before that most contributors there (but not all) seem happy just to stand around muttering insults.

I might say that some of the remarks are in the most dreadfully poor taste. It’s a wonder that Mr Renowden lets them stand.

However, I should congratulate him on his writing this time. For a post that basically tells me to naff off from his blog, it is remarkably well-researched. I suppose I should feel flattered he went to such trouble over someone unimportant, without influence, not threatening or notable. Continue Reading →

Posted in: General \ Tagged: Climate Conversation Group, Data quality, Hot Topic, NIWA

NIWA loses, opts for fresh start

07/02/2010 12:40 am \ 48 Comments \ by Richard Treadgold

The two versions of the official NZ temperature data — the NIWA graph in the foreground has been “adjusted” but NIWA doesn’t know how; the graph behind it shows raw NIWA temperatures since 1850; there’s no warming. Both graphs use official NIWA data, but NIWA don’t know what changes created the warming and, until they produce a replacement, there’s no scientific reason to accept that version. See larger versions of the raw and adjusted temperatures.

Regular readers will know that we asked NIWA how they adjusted the NZ temperature series. In reply, they distracted, deceived and disparaged us. We checked what they told us and it was false. They lose.

They admit they never had the temperature adjustments we were asking for. Why didn’t they just say so in the beginning? We and the NZ public await an apology for their dissembling.

They’ve done the hard thing and admitted the truth. So the good news is they can now get on with some real science. They say they will “recreate” the adjustments. Whatever they mean by that, it must be an improvement on trying to denigrate us when we ask for information. It is also good that they reexamine the 30-year-old claims of warming that wobble now they lack any scientific support. In fact, there is evidence they are false. More on that later. Continue Reading →

Posted in: General \ Tagged: Air temperature, Air temperature, Climate Conversation Group, Climate research, Data quality, NIWA, NZCSC

NIWA’s ghastly blunders — now read the official letters

05/02/2010 12:59 am \ Leave a Comment \ by Richard Treadgold

The Wellington offices of NIWA. Yes, the anonymous building in front dominates the image. No, I don’t know whether it belongs to NIWA.

NIWA blundered in not keeping track of some important records that justify the country’s warming since the 19th Century, even if it inherited the problem from its predecessor in the Met Service, or the early behaviour of Jim Salinger, who did the work. It blundered again when, instead of being honest, it attacked the CCG and the NZCSC when we asked to know the Schedule of Adjustments.

Now NIWA has admitted in writing that it lost the original data. This settles our original question for the moment and sets them free to go about repairing the situation. Their general counsel, Tim Mahood, made the admission a few days ago, and here’s the letter to prove it.

The NZ Climate Science Coalition had asked NIWA under the Official Information Act last December for the details of the adjustments. This is the original request.

Finally, here’s the hard-hitting letter the Coalition sent back to Mr Mahood, setting out the defects in his official OIA response the day before. Have a look at it — it’s dynamite.

Now we’re waiting for them to finish re-creating the adjustments to the NZ temperature record and to post them on their web site. They told us today it should happen this month. We’re on tenterhooks and can’t wait to have a look at it.

A month ago, when Hot Topic was berating us as unscientific and demolishing our case against NIWA, how many people thought our request was unjustified? How many thought NIWA could do no wrong? How many will apologise to us? Yet who has proved truly scientific? Who has helped to actually improve New Zealand’s temperature record?

For that will be the long-term result of our efforts. What a wonderful thing!

Having (no doubt painfully) admitted to losing Salinger’s working documents, NIWA is now free to pick up what old records it has and work on them afresh. Without the confession the old records must have languished untouched, their taudry reputation defended less and less vigorously by an organisation tarnished by its neglect of verity. A new spirit of honesty will invigorate the place, for truth sets everybody free. The result must be a more accurate dataset and more confident predictions for the future.

I wonder what Hot Topic makes of that?

Posted in: General \ Tagged: Air temperature, Climate research, Data quality, General, NIWA

FARCE: NIWA don’t have the changes

01/02/2010 7:15 pm \ 42 Comments \ by Richard Treadgold

UPDATE 1 1st Feb, 11:16 pm: The second paragraph should have stated that Jim Renwick was quoted in the Herald, not Jim Salinger. My apologies; this has been corrected.

The unadjusted temperature readings from the seven weather stations NIWA selected for the official NZ temperature graph, presented as anomalies. Can they really not explain why their graph is different from this one? (Are We Feeling Warmer Yet? – NZCSC, CCG, 2009).

Heads must roll

Turning into farce

In an astounding admission of ineptitude, after their former arm-waving and expostulations of injustice, NIWA have finally confessed that they cannot provide the adjustments they made to the original temperature readings in the official NZ temperature record. Continue Reading →

Posted in: General \ Tagged: AGW, Climate Conversation Group, Climate research, Data quality, Disproving AGW, General, James Renwick, NIWA, NZCSC

NIWA bows at last to pressure, but feels ‘insulted’

31/01/2010 1:02 pm \ 2 Comments \ by Richard Treadgold

The striking Tam O’ Shanter sea urchin. Examples like this were found along with three new species during a deep-sea survey of seamounts on the Chatham Rise in June 2009. NIWA’s research vessel Tangaroa explored the Chatham Rise, an area that stretches for 1000 kilometres from near the South Island eastwards to the Chatham Islands.

In the NZ Herald yesterday morning came news that NIWA is “putting all of its temperature data and calculations on the internet”.

It’s been five weeks since the NZCSC request to NIWA’s CEO, John Morgan, under the Official Information Act; it’s only two months since we published our study critical of the handling of the NZ temperature record; and it is decades since Dr Vincent Gray, Dr Warwick Hughes, Dr Jim Hessell and others started asking Dr Jim Salinger for his data and calculations.

This is tremendous news and it is to NIWA’s credit that they are releasing the data. But one comment from Renwick strikes a sour and revealing note:

Yesterday Dr Renwick said that while he had no problem releasing the Niwa data he found it insulting to be singled out when, for example, medical and Treasury researchers were not expected to disclose all of their workings. “There is a real issue of trust here. The assumption is people like myself don’t know what we are doing or we’ve got some kind of agenda just to get research funding.”

He feels insulted? He should stop whining. Any discomfort Jim Renwick feels in being compelled to hand over to the public this public data is of his and his colleagues’ own making. NIWA is being singled out only because of its sustained intransigence over many years. Continue Reading →

Posted in: General \ Tagged: Climate research, Data quality, General, James Renwick, NIWA, NZCSC

Global temperature for April

21/05/2008 6:33 pm \ Leave a Comment \ by Richard Treadgold

A review of the major world temperature datasets: RSS, UAH, HadCRUT and GISS. The world still cools but there is some disparity between the datasets and GISS gets axed from the graphs — can it be trusted? Read the full story at Watts Up With That.

Posted in: General \ Tagged: Air temperature, CCG, Data quality, General, Watts Up With That

Just tell me the blasted temperature!

06/05/2008 6:33 pm \ Leave a Comment \ by Richard Treadgold

It’s a simple question: “What is the temperature of the earth?” But for those who live here it has no simple answer, nor ever will have—only approximations. For it not only depends on where you put the thermometer, but also, apparently, on who interprets it. For if you own the dataset, you can reduce older temperatures and increase recent ones, just as NASA has been doing, and give the impression of greater warming. Naughty, naughty. more…

Posted in: General \ Tagged: Air temperature, CCG, Data quality, NASA, Watts Up With That

NOAA modernises US weather recording stations

24/04/2008 6:33 pm \ Leave a Comment \ by Richard Treadgold

This is great news. Have they “statistically corrected” the poorly-sited stations’ data? If the data’s been fixed, why move the stations? Are they still ignoring a documented warm bias? Read NOAA’s press release—they say that a global monitoring network “protects” the planet. They don’t reveal how. more…

Posted in: General \ Tagged: CCG, Climate science, Data quality, NOAA, USA, Weather

Tag Archives: Data Quality

Errors in the new 7SS

Constrained support

The status of the NZ temperature record

First 30 years a chequered history

More adjustments that cause warming

After 70 years, a few problems

A survey begins

But it’s a message with no punch

Just stand around shouting insults

Heads must roll

Turning into farce