On Tue, 9 Nov 2010 17:06:01 -0800 (PST), Roger Coppock
wrote:

Study Finds CO2 the Culprit in Ancient Global Warming

But we knew that already: the ocean chemistry during the era is
still observable in the rocks (chalk, etc.).

By Guest Writer at SolveClimate
Tue Nov 9, 2010 1:51pm EST
Scientists describe an actual warming event rather than one predicted
by a model

By Catherine M. Cooney

Some 40 million years ago, the world experienced an extreme spike in
global warming. The heat was so intense that deep sea temperatures
rose by about 4 degrees Celsius. This enigmatic sultry period, known
as the Middle Eocene Climatic Optimum (MECO), marked a 400,000-year-
long heat wave in the midst of a long era of global cooling.

Now research published Nov. 5 in the journal Science suggests the rise
in surface sea temperature occurred during a time when atmospheric
carbon dioxide (CO2) levels were particularly high, according to a
research team from Utrecht University and the Royal Netherlands
Institute for Sea Research.

First reported by U.S. scientists in 2003, the MECO warming period has
been documented by data from a smattering of sites around the world.
“Our paper is among the first to show that CO2 concentrations and the
temperature varied hand in hand in that time,” says Peter Bijl, a
paleoclimatologist at the Netherlands’ Utretcht University and one of
the paper’s lead authors.

The study may help put to rest some of the doubts expressed about
today’s climate models because it describes an actual warming event
rather than one predicted by a model, according to Jeff Kiehl, head of
the Climate Change Research Section at the National Center for
Atmospheric Research in Boulder, CO.

[ . . . ]

http://www.reuters.com/article/idUS1...6:b39117494:z0

= = = = = = = = = = = =
Science 5 November 2010:
Vol. 330. no. 6005, pp. 763 - 764
DOI: 10.1126/science.1197894
Increased Atmospheric CO2 During the Middle Eocene
Paul N. Pearson
Even without humans, there are many processes that can change the
concentration of carbon dioxide (CO2) in Earth's atmosphere and affect
global climate. On page 819 of this issue, Bijl et al. (1) provide the
first direct evidence that very high CO2 levels occurred about 40
million years ago during the Middle Eocene Climatic Optimum (MECO),
one of the hottest intervals in Earth's climate history. The hunt is
now on for a geological cause for this event—and fingers are pointing
at the Himalayan mountain belt.

School of Earth and Ocean Sciences, Cardiff University, Cardiff CF10
3YE, UK.

E-mail:

The editors suggest the following Related Resources on Science sites:
In Science Magazine
REPORTS
Transient Middle Eocene Atmospheric CO2 and Temperature Variations
Peter K. Bijl, Alexander J. P. Houben, Stefan Schouten, Steven M.
Bohaty, Appy Sluijs, Gert-Jan Reichart, Jaap S. Sinninghe Damsté, and
Henk Brinkhuis (5 November 2010)
Science 330 (6005), 819. [DOI: 10.1126/science.1193654]

http://sciencemagazine.com/search.ph...gazine&append=


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On Tue, 9 Nov 2010 21:36:06 -0500, "James"
wrote:

"Roger Coppock" wrote in message

Study Finds CO2 the Culprit in Ancient Global Warming

By Guest Writer at SolveClimate
Tue Nov 9, 2010 1:51pm EST
Scientists describe an actual warming event rather than one predicted
by a model

By Catherine M. Cooney

Some 40 million years ago, the world experienced an extreme spike in
global warming. The heat was so intense that deep sea temperatures
rose by about 4 degrees Celsius. This enigmatic sultry period, known
as the Middle Eocene Climatic Optimum (MECO), marked a 400,000-year-
long heat wave in the midst of a long era of global cooling.

Now research published Nov. 5 in the journal Science suggests the rise
in surface sea temperature occurred during a time when atmospheric
carbon dioxide (CO2) levels were particularly high, according to a
research team from Utrecht University and the Royal Netherlands
Institute for Sea Research.


Doesn't mean co2 caused it. Especially if co2 follows temps.

Idiot.


--
http://desertphile.org
Desertphile's Desert Soliloquy. WARNING: view with plenty of water
"Why aren't resurrections from the dead noteworthy?" -- Jim Rutz