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“global surface temperatures did not rise between 1998 and 2008

    • 408 posts
    July 6, 2011 2:12 PM EDT

    Breaking: A peer reviewed admission that ″

    “global surface temperatures did not rise between 1998 and 2008

    – Dr David Whitehouse on the PNAS paper Kaufmann et al. (2011)

    click to enlarge

     

    The Kaufmann et al 2011 paper (Note: Michael L. Mann is a co-author, not the same as Michael E. Mann of hockey team fame) was embargoed until 8PM GMT (12PM PDT) today, and we have an advance copy thanks to Dr. Benny Peiser .

     

    Here is the PDF file: pnas.201102467

     

    The headline from the abstract:

    Given the widely noted increase in the warming effects of rising greenhouse gas concentrations, it has been unclear why global surface temperatures did not rise between 1998 and 2008.

    But in the conclusion:

    The finding that the recent hiatus in warming is driven largely by natural factors does not contradict the hypothesis: “most of the observed increase in global average temperature since the mid 20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations (14).”

    From the GWPF:

     

    Comments by Dr David Whitehouse on the PNAS paper Kaufmann et al.

    Reconciling anthropogenic climate change with observed temperature 1998 – 2008.

    It is good news that the authors recognise that there has been no global temperature increase since 1998. Even after the standstill appears time and again in peer-reviewed scientific studies, many commentators still deny its reality. We live in the warmest decade since thermometer records began about 150 years ago, but it hasn’t gotten any warmer for at least a decade.

     

    The researchers tweak an out-of-date climate computer model and cherry-pick the outcome to get their desired result. They do not use the latest data on the sun’s influence on the Earth, rendering their results of academic interest only.

     

    They blame China’s increasing coal consumption that they say is adding particles into the atmosphere that reflect sunlight and therefore cool the planet. The effect of aerosols and their interplay with other agents of combustion is a major uncertainty in climate models. Moreover, despite China’s coal burning, data indicate that in the past decade the amount of aerosols in the atmosphere has not increased.

     

    The researchers seek to explain the temperature standstill between 1998 and 2008. They say that the global temperature has increased since then.

     

    This is misleading. There was an El Nino in 2010 (natural cyclic warming) but even that did not raise temperatures above 1998. In fact the standstill has continued to 2010 and 2011 appears to be on course to be a cooler year than any of the preceding ten years.

     

    Tweaking computer models like this proves nothing. The real test is in the real world data. The

    temperature hasn’t increased for over a decade. For there to be any faith in the underlying scientific assumptions the world has to start warming soon, at an enhanced rate to compensate for it being held back for a decade.

     

    Despite what the authors of this paper state after their tinkering with an out of date climate computer model, there is as yet no convincing explanation for the global temperature standstill of the past decade.

     

    Either man-made and natural climatic effects have conspired to completely offset the warming that should have occurred due to greenhouse gasses in the past decade, or our estimation of the ‘climate sensitivity’ to greenhouse gasses is too large.

     

    This is not an extreme or ‘sceptic’ position but represents part of the diversity of scientific opinion presented to the IPCC that is seldom reported.

     

    Dr David Whitehouse

    The Global Warming Policy Foundation

    e-mail: david.whitehouse@thegwpf.org

    =============================================================

     

    My take on it from the paper – “We don’t know what’s going on, but we aren’t going to admit that” – Anthony

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    From Ryan Maue:  Mainstream media coverage example headline:

    Asia pollution blamed for halt in warming: study — from Reuters

    blah blah blah — and the conclusion quotation:  “Long term warming will continue unless emissions are reduced,” said Peter Stott, head of climate monitoring at Britain’s Met Office.

     

    Well, hells bells.

     

     

    http://wattsupwiththat.com/2011/07/04/a-peer-reviewed-admission-that-global-surface-temperatures-did-not-rise-dr-david-whitehouse-on-the-pnas-paper-kaufmann-et-al-2011/

    • 2 posts
    July 27, 2011 8:43 PM EDT
    It is the height of arrogance for Man to believe he has power over Nature. A simple volcanic episode is hundreds of times more ecologically destructive than Man's last century of pollution. Man may destroy humankind, but Nature will continue.
    • 408 posts
    July 27, 2011 8:47 PM EDT
    Correct, David. God controls it all, and we have little say on what happens. All this climate stuff is bogus, based upon bogus science. Just follow the $$$ to who are the biggest holders in the green energy companies that have sprung up (anyone heard of Al Gore?).
    • 118 posts
    July 27, 2011 8:48 PM EDT
    David Jeanes said:
    It is the height of arrogance for Man to believe he has power over Nature. A simple volcanic episode is hundreds of times more ecologically destructive than Man's last century of pollution. Man may destroy humankind, but Nature will continue.

    Agreed, but it's still in the best interest of mankind to utilize science as a means to keep the environment clean and keep biodiversity intact so that we A) survive and B) can appreciate the diversity of life the Creator created.

    • 2 posts
    July 28, 2011 3:47 PM EDT
    Agreed, Eric. The problem is not in valid research and the science associated with it, the problem is in pseudo-science such as that espoused by Al Gore (TY Mary Ann Hartzler.)