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ICECAP in the News
Jun 28, 2007
Greenland Warmest Decade

CO2 Science

Vinther etal., (2006) combined early observational records from 13 locations along the southern and western coasts of Greenland, extending the overall temperature history of the region - which stretches from approximately 60 to 73°N latitude - all the way back to AD 1784. In the words of the authors, “two distinct cold periods, following the 1809 ‘unidentified’ volcanic eruption and the eruption of Tambora in 1815, [made] the 1810s the coldest decade on record.” The warmest period, however, was not the last quarter century, when climate alarmists claim the earth experienced a warming that was unprecedented over the past two millennia. Rather, as Vinther et al. report, “the warmest year in the extended Greenland temperature record [was] 1941, while the 1930s and 1940s [were] the warmest decades.” In fact, their newly-lengthened record reveals there has been no net warming of the region over the last 75 years!

There has been no net change in air temperature there in response to the 25% increase in the air’s CO2 content experienced over that period. And this is the region the world’s climate alarmists refer to as a climatological canary in a coal mine??? If it is, real-world data suggest that the greenhouse effect of CO2 has been hugely overestimated!

See the full story here.

Jun 27, 2007
Mont Blanc Glaciers Refuse to Shrink?

World Climate Report, June 26, 2007

If you have an interest in global warming and its effect on mountain glaciers, you will be thrilled to know that there are over one million websites on the subject. Even before you get to the first site, you already know what you will find. Burning fossil fuels increases atmospheric concentrations of greenhouse gases, the Earth is warming, mountain glaciers are in full retreat all over the planet, delicate ecosystems are in peril, and humans who rely on the freshwater from mountain glaciers better get creative fast. Recall that in the Gore film, a great deal of attention was paid to the diminishing “snows of Kilimanjaro” – Gore has made hay in Glacier National Park as well pointing to shrinking glaciers. Retreating mountain glaciers have become a poster-child of the global warming alarmists – no presentation on the subject is complete without one.

Someone in Europe missed the memo on this subject as a recent article has appeared in the Journal of Geophysical Research entitled “Very high-elevation Mont Blanc glaciated areas not affected by the 20th century climate change.” To say the least, we at World Climate Report were interested in what the authors had to say.
The research was conducted by six scientists from leading agencies and departments in France and Switzerland that deal with hydrology and glaciology.

“All these results suggest that the SMB at Dôme du Goûter and Mont Blanc did not experience any significant changes over the 20th century.” The first sentence of their conclusions section states “Geodetic measurements carried out in 1905 and 2005 on the highest ice fields of the Mont Blanc range indicate small thickness changes and show that these very high-elevation glaciated areas have not been significantly affected by climate change over the last 100 years.” Later in the conclusions section, they write “In any case, this study reveals that the very high-elevation ice fields in the Mont Blanc area have not been affected by the climate warming.  See full story here.

Jun 26, 2007
Climate Audit Looks at Gridded Data Issue

By Steve McIntyre, Climate Audit

Gavin Schmidt recently told Anthony Watts that worrying about station data quality was soooo last year. His position was a bit hard to follow but it seemed to be more or less as follows: that GISS didn’t use station data, but in the alternative, as defence lawyers like to say, if GISS did use station data (which they deny), de-contamination of station data would improve the fit of the GISS model. It reminds me of the textbook case where an alternative defence is not recommended: where the defendant argues that he did not kill the victim, but, if he did, it was self-defence. In such cases, picking one of the alternatives and sticking with it is considered the more prudent strategy.

In this particular case, I thought it would be interesting to plot up the relevant gridcell series from CRU and GISS and, needless to say, surprises were abundant.
At this point, I haven’t figured out the adjustments made to go from raw station data to adjusted station data, much less to go from adjusted station data to gridded data. I haven’t worked with these data sets at length and maybe I’m missing something - but the match of the versions over so much of their history suggests that I’ve collated everything correctly. The gridcell definitions are different but the results track closely up to recent years. It seems odd that they can claim to know global temperature in (say) 1040 to within a a couple of tenths of a deg C, when GISS and CRU gridded data in these gridcells disagree by over 0.5 deg in 2005.


See whole blogpost here

Jun 25, 2007
Oregon State Climatologist Still Caught in a Political Storm

PBS New Hour

Oregon Global Warming Skeptic Finds More Controversy - see PBS newshour transcript here

Oregon state climatologist George Taylor does not believe that global warming is due to human activity. Now, Oregon Gov. Ted Kulongoski wants him to stop using the state climatologist title.

NewsHour correspondent Lee Hochberg reports from Oregon on the controversy there and in nearby Washington State , where the uneasy clash between science and politics is occurring too.

In Washington State, the assistant state climatologist, Mark Albright, was stripped of his title for challenging the estimate of the reduction of the western snowpack as an artifact of the time period chosen. (see Icecap blog on this issue here).

Both George and Mark are exactly right on their issues but like the salmon of the Pacific Northwest, both are swimming upstream against the increasing swift and turbulent political currents. George is a valued Icecap member and expert and we wish both George and Mark success in fighting the good fight against misinformation and politics. 

Jun 21, 2007
Read the Sunspots

R. Timothy Patterson, Financial Post

Climate stability has never been a feature of planet Earth. The only constant about climate is change; it changes continually and, at times, quite rapidly. Many times in the past, temperatures were far higher than today, and occasionally, temperatures were colder. As recently as 6,000 years ago, it was about 3C warmer than now. Ten thousand years ago, while the world was coming out of the thou-sand-year-long “Younger Dryas” cold episode, temperatures rose as much as 6C in a decade—100 times faster than the past century’s 0.6C warming that has so upset environmentalists.

Climate-change research is now literally exploding with new findings. Since the 1997 Kyoto Protocol, the field has had more research than in all previous years combined and the discoveries are completely shattering the myths. For example, I and the first-class scientists I work with are consistently finding excellent correlations between the regular fluctuations in the brightness of the sun and earthly climate. This is not surprising. The sun and the stars are the ultimate source of all energy on the planet.

Solar scientists predict that, by 2020, the sun will be starting into its weakest Schwabe solar cycle of the past two centuries, likely leading to unusually cool conditions on Earth. Beginning to plan for adaptation to such a cool period, one which may continue well beyond one 11-year cycle, as did the Little Ice Age, should be a priority for governments. It is global cooling, not warming, that is the major climate threat to the world, especially Canada. As a country at the northern limit to agriculture in the world, it would take very little cooling to destroy much of our food crops, while a warming would only require that we adopt farming techniques practiced to the south of us.

See full story here.

Jun 19, 2007
Did Jones et al 1990 “Fabricate” Its Quality Control Claims?

By Steve McIntyre, Climate Audit

Did Jones et al 1990 “fabricate” its quality control claims? This hard-hitting question is asked by Doug Keenan. He cites the following claims from Jones et al 1990 and Wang et al: “(1) The stations were selected on the basis of station history: we chose those with few, if any, changes in instrumentation, location or observation times. [Jones et al.] and (2) They were chosen based on station histories: selected stations have relatively few, if any, changes in instrumentation, location, or observation times….” [Wang et al.]

Keenan observed that those statements are vital for the papers. For many years, no one knew what stations were used in Jones et al 1990. Only after recent FOI actions in the UK publicized here at CA did a list of the stations used in Jones et al 1990 become available in March 2007, after years of obstruction. Since then, Keenan has corresponded recently with both Jones and Wang, seeking a valid explanation of the above claims. His conclusion:

The essential point here is that the quoted statements from Jones et al. and Wang et al. cannot be true and could not be in error by accident. The statements are fabricated. Keenan refers to earlier discussion of the China sites at climateaudit, noting that questions about these claims were raised here (for example, here here and here . Since then, we’ve also looked at adjustments in the USHCN, GHCN and GISS networks, observing that adjustments for station history are often very substantial, in many cases exceeding the total estimated AGW effect of the last century. So adjustment and homogeneity are not small and irrelevant issues for temperature histories, but are fundamental representations.

Read full blog entry and comments here.

Jun 18, 2007
Temperature Variability: Global, Regional and Local

Dr Vincent Gray, June 2007

Reliable global, regional and local temperature records show that temperatures variability is cyclic, with a period of about 60 years. The temperature does not display a distinguishable “trend”. The most reliable records show peak temperatures around 1940 and 2005 and low temperatures around 1910 and 1970. These records are incompatible with a belief that there is a distinguishable upwards “trend’ caused by greenhouse gas emissions.

See full story here.

Jun 15, 2007
A Kilimanjaro We-Told-You-So

World Climate Report

File this one under “we been telling you this for years.” The headline of the University of Washington press release reads “The woes of Kilimanjaro: Don’t blame global warming.” The press release was prepared to announce an article in an upcoming issue of American Scientist magazine (linked to by the press release), by Phil Mote (University of Washington research scientist and State Climatologist of Washington) and Georg Kaser (glaciologist at the University of Insbruck, Austria)

The press release begins: The “snows” of Africa’s Mount Kilimanjaro inspired the title of an iconic American short story, but now its dwindling icecap is being cited as proof for human-induced global warming. However, two researchers writing in the July-August edition of American Scientist magazine say global warming has nothing to do with the decline of Kilimanjaro’s ice, and using the mountain in northern Tanzania as a “poster child” for climate change is simply inaccurate.

Now we have been writing this very same things for years. We started way back in March 2002, when, in our Virtual Climate Report series (not currently available on-line), we debunked the Kilimanjaro-is-melting-because-of-anthropogenic-global-warming idea as an “urban legend.” But no matter how often that we point out that the hard evidence and scientific literature do not support blaming anthropogenic global warming on the declining snows of Kilimanjaro, it never seems to get through the true believers. Evidence the four page spread in Al Gore’s Inconvenient Truth dedicated to pictures of the diminishing ice fields of the mountain, including a picture of Gore’s glacier guru Dr. Lonnie Thompson standing next to the “pitiful last remnants of one of its [Kilimanjaro’s] great glaciers.” See full report here.

Note: here is the plot of temperatures over the last 29 years at Mt. Kilimanjaro. Temperatures have cooled about 0.3C during that time.


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