A 217-Year Swedish Air Temperature History (SCIENTIFIC STUDY: NO GLOBAL WARMING)

CO2 Science ^ | 08.31.2004

[SolidSupplySide]

Reference
Schone, B.R., Dunca, E., Mutvei, H. and Norlund, U. 2004. A 217-year record of summer air temperature reconstructed from freshwater pearl mussels (M. margarifitera, Sweden). Quaternary Science Reviews 23: 1803-1816.

What was done
The authors utilized 60 specimens of freshwater pearl mussels that had been collected alive between AD 1853 and 1930 (stored in museums) and between AD 1986 and 1997 from six rivers in northern, central and southern Sweden to reconstruct a 217-year history of summer (June-August) air temperature for the country, which they compared with the Scots pine tree-ring-derived summer air temperature reconstruction of Briffa et al. (1990).

What was learned
Schone et al. report that "both series do not reveal any significant long-term temperature trends," but they say that "the number of cold summers was higher prior to about AD 1900 as compared to the last 90 years." Also, their data reveal that the peak temperatures of the late 1980s and early 1990s were no higher than those of the 1930s and 40s, while the coldest summer of the entire record (by far!) occurred on the last full year of the series.

What it means
Clearly, these temperature reconstructions reveal absolutely nothing that is unusual about either the entire 20th century or its last two decades, which are routinely described by climate alarmists as having experienced unprecedented warming over the last thousand years and perhaps even the past two millennia. If such occurred anywhere, it wasn't in Sweden.

Reference
Briffa, K.R., Bartholin, T.S., Eckstein, D., Jones, P.D., Karlen, W., Schweingruber, F.H. and Zetterberg, P. 1990. A 1400-year tree-ring record of summer temperatures in Fennoscandia. Nature 346: 434-439.

[SolidSupplySide]

while the coldest summer of the entire record (by far!) occurred on the last full year of the series.

Hmmm.

[Onelifetogive]

Schone et al. report that "both series do not reveal any significant long-term temperature trends...

Oh, NO!!!!! We are experience Global Temperature Stagnation! We must suspend freedom immediately!

[Know your rights]

Oh, NO!!!!! We are experience Global Temperature Stagnation!

It's Bush's fault.

[pabianice]

Buried by the envirofreaks at the New York Times.

[TexasRepublic]

FYI - the current National Geographic has an article about global warming. The article explains that scientists have taken core samples from ice packs of Greenland, Antarctica and various mountaintops, to document the levels of CO2. Draw your own conclusions.

[Hermann the Cherusker]

They have. But levels of CO2 don't correlate to temperature.

[elbucko]

Hmmm.

"Hmmm" is right. Global Warming is an environmental red herring that is only intended for political use, not scientific. Therefore, it need not be correct or proven. Not unlike illegal immigration, it is a blunt force tool of the Left used to intimidate those who question their global warming theory as "polluters" and immigration reformers as "racist".

[Wonder Warthog]

"FYI - the current National Geographic has an article about global warming. The article explains that scientists have taken core samples from ice packs of Greenland, Antarctica and various mountaintops, to document the levels of CO2. Draw your own conclusions."

The "global warmers" are ASSUMING that CO2 is the vastly predominant determinator of global warming---NOT actually measuring any real warming.

All their "evidence" of global warming comes from cherry-picked "environmental effects" (shrinking glaciers--while not mentioning growing glaciers--etc.)--NOT TEMPERATURE MEASUREMENTS.

The three temperature data sets that exist (surface temperatur measurements taken with thermometers, balloon atmospheric temp. taken with sensors, and satellite measurments of atmospheric temp. by radiation) do not agree. The surface masurement shows a major warming, but the balloon and satellite (known to be more accurate) show no such warming.

But of course, the only data set that ever gets any mention in the MSM/LSM (mainstream/lamestream media), is the surface temperature record----the other two data sets might as well not exist, as far as the press is concerned.

[Rammer]

The timing of this is suspicious. What did Rumsfeld know about this, and when did he know it?

[demlosers]

Whaat? You gotta be kidding me? Of course there is Global Warming Billy and Al told me so.

I'm so depppresssed...It's Bush's fault!

[Dead Dog]

Actually, the core sample studies I've seen showed C02 does correlate with temperature increase and decrease. However, the temperature change (up or down) lagged the CO2 change by up to 1000 years.

ie. CO2 may be an effect, but not a cause.

[Dead Dog]

http://www.sdearthtimes.com/et0999/et0999s6.html

[Stellar Dendrite]

bump

[preacher]

There is a general consensus that the concentration of CO2 has ranged from about 280 PPM (parts per million) to current concentration of about 370 PPM.

A better question is. “Has there been any significant global warming in recent years?” Weather satellite findings say no.

It’s known that in prehistoric times the sea level was more than 100 meters lower than now. How could we know any slight change in recent years is attributable to human activity? Experts dispute findings of any recent sea level changes.

What the “environmentalists” want is for the Kyoto treaty to become the law of the land. That treaty would cripple the economy of the United States.

Many of these people became “environmentalists” became committed to the cause by going for a cheap date to hear some communist folk singer.

[Redbob]

If temperature change "lags" (i.e., follows) CO2 change by up to 1000 years , how can CO2 change POSSIBLY be an effect?

[19th LA Inf]

I have an idea that the microclimate in the vicinity of official temperature measurements is a big factor. A hundred years ago, temperature was probably measured at lonely railroad stations or on college campuses. Now nearly all official readings are taken on airports surrounded by hundreds of acres of concrete without a tree in sight. Nearly any large urban area will run 4 or 5 degrees warmer on a summer day than nearby countryside, just because of the effect of paved streets and parking lots absorbing and throwing back the sun's heat into the local air.

[Dead Dog]

other way around. Temp leads CO2

[Wonder Warthog]

"It is a "chicken or egg" question that scientists studying the dramatic swings in climate that occur at the end of ice ages have pondered for years: which comes first -- a rise in global temperature followed by an increase in atmospheric carbon dioxide or vice versa?"

Thanks for the reference. I had read similar info some years ago about the rise in atmospheric CO2 "trailing" rather than "leading" the warming trend, but it was a quick paragraph someplace like "Popular Science" with no real details on the science behind it.

[SunkenCiv]

Greenland Ice Cap Is Melting, Raising Sea Level
Source: The Associated Press
Published: Jul 20, 2000 - 04:05 PM Author: By Paul Recer
Posted on 07/20/2000 14:37:50 PDT by Ms. AntiFeminazi
http://www.freerepublic.com/forum/a3977712e1941.htm