Hi,

I've tried Googling for this, but I just can't seem to find the right
question to ask.

What I'm looking for, if possible, is a graph showing that changing CO2
levels are linked to warming trends in the global climate - preferably
ones covering hundreds of thousands, or even millions of years back (to
eliminate the human factor).
--
Paul Hyett, Cheltenham (change 'invalid83261' to 'blueyonder' to email me)

Paul Hyett wrote:
Hi,

I've tried Googling for this, but I just can't seem to find the right
question to ask.

What I'm looking for, if possible, is a graph showing that changing CO2
levels are linked to warming trends in the global climate - preferably
ones covering hundreds of thousands, or even millions of years back (to
eliminate the human factor).

http://cdiac.ornl.gov/trends/co2/contents.htm

Any help?

--
Gianna

Paul Hyett wrote:

What I'm looking for, if possible, is a graph showing that changing
CO2 levels are linked to warming trends in the global climate -
preferably ones covering hundreds of thousands, or even millions of
years back (to eliminate the human factor).

"Gianna" wrote in message
...

http://cdiac.ornl.gov/trends/co2/contents.htm

(Several sites available via Section 9 of the FAQ .. see link below)

From the IPCC 2001 report:-
Some graphs showing the CO2 profiles over various time-periods:-
http://www.grida.no/climate/ipcc_tar/wg1/105.htm#fig32

and for a discussion on the pre-instrumental (as well as the
instrumental) temperature profile:-

http://www.grida.no/climate/ipcc_tar/wg1/067.htm

Although the IPCC reports can be rather 'turgid', there is a lot of
useful stuff in there.

--
FAQ & Glossary for uk.sci.weather at:-
http://homepage.ntlworld.com/booty.weather/uswfaqfr.htm
and
http://booty.org.uk/booty.weather/metindex.htm

"Paul Hyett" wrote in message
...
Hi,

I've tried Googling for this, but I just can't seem to find the right
question to ask.

What I'm looking for, if possible, is a graph showing that changing CO2
levels are linked to warming trends in the global climate - preferably
ones covering hundreds of thousands, or even millions of years back (to
eliminate the human factor).
--
Paul Hyett, Cheltenham (change 'invalid83261' to 'blueyonder' to email me)


Hi Paul

If you are interested in millions of years then the only authority I have
come across is Professor Robert Berner - profile at:
http://earth.geology.yale.edu/people...i?netid=berner

and you can see his atmospheric CO2 concentrations plotted against global
temperatures at:

http://www.geocraft.com/WVFossils/Ca...s_climate.html (scroll down)

I seem to recall that he is particularly interested in the Permian when
global temps and CO2 levels were unusually low like the present day and then
began to increase in tandem but I'm afraid I don't remember the name of the
paper. Maybe some more googling would unearth it.

Martin
Guernsey

In message , Martin Crozier
writes

"Paul Hyett" wrote in message
...
Hi,

I've tried Googling for this, but I just can't seem to find the right
question to ask.

What I'm looking for, if possible, is a graph showing that changing CO2
levels are linked to warming trends in the global climate - preferably
ones covering hundreds of thousands, or even millions of years back (to
eliminate the human factor).
--
Paul Hyett, Cheltenham (change 'invalid83261' to 'blueyonder' to email me)


Hi Paul

If you are interested in millions of years then the only authority I have
come across is Professor Robert Berner - profile at:
http://earth.geology.yale.edu/people...i?netid=berner

and you can see his atmospheric CO2 concentrations plotted against global
temperatures at:

http://www.geocraft.com/WVFossils/Ca...s_climate.html (scroll down)

I seem to recall that he is particularly interested in the Permian when
global temps and CO2 levels were unusually low like the present day and then
began to increase in tandem but I'm afraid I don't remember the name of the
paper. Maybe some more googling would unearth it.

Thank you - this is the sort of thing I was looking for.
--
Paul Hyett, Cheltenham (change 'invalid83261' to 'blueyonder' to email me)

Paul Hyett wrote:
Hi,

I've tried Googling for this, but I just can't seem to find the right
question to ask.

What I'm looking for, if possible, is a graph showing that changing CO2
levels are linked to warming trends in the global climate - preferably
ones covering hundreds of thousands, or even millions of years back (to
eliminate the human factor).

From yesterday:

http://news.bbc.co.uk/1/hi/sci/tech/5314592.stm

--
Gianna

In message , Gianna
writes
Paul Hyett wrote:
Hi,
I've tried Googling for this, but I just can't seem to find the
right question to ask.
What I'm looking for, if possible, is a graph showing that changing
CO2 levels are linked to warming trends in the global climate -
preferably ones covering hundreds of thousands, or even millions of
years back (to eliminate the human factor).

From yesterday:

http://news.bbc.co.uk/1/hi/sci/tech/5314592.stm

I saw that one - thanks anyway.
--
Paul Hyett, Cheltenham (change 'invalid83261' to 'blueyonder' to email me)