New Study Thoroughly Debunks Global Warming...

[targus]

Professor Dr. Jan Esper's group at the Institute of Geography at JGU used tree-ring density measurements from sub-fossil pine trees originating from Finnish Lapland to produce a reconstruction reaching back to 138 BC. In so doing, the researchers have been able for the first time to precisely demonstrate that the long-term trend over the past two millennia has been towards climatic cooling.

Read more: http://newsbusters.org/blogs/noel-s...lobal-warming-will-media-notice#ixzz20K29GFBc

 

[mandym]

An international team including scientists from Johannes Gutenberg University Mainz (JGU) has published a reconstruction of the climate in northern Europe over the last 2,000 years based on the information provided by tree-rings. Professor Dr. Jan Esper's group at the Institute of Geography at JGU used tree-ring density measurements from sub-fossil pine trees originating from Finnish Lapland to produce a reconstruction reaching back to 138 BC. In so doing, the researchers have been able for the first time to precisely demonstrate that the long-term trend over the past two millennia has been towards climatic cooling. "We found that previous estimates of historical temperatures during the Roman era and the Middle Ages were too low," says Esper. "Such findings are also significant with regard to climate policy, as they will influence the way today's climate changes are seen in context of historical warm periods." The new study has been published in the journal Nature Climate Change.

http://www.uni-mainz.de/eng/15491.php

 

[InTheLight]

If you custom cherry-pick the endpoints for your graphs you can 'prove' just about anything. If the theory is that man has created a climate warming effect by the industrial revolution (pollution and accelerated use of natural resources) what sense does it make to go back to 138 BC to disprove the theory?

 

[mandym]

If you custom cherry-pick the endpoints for your graphs you can 'prove' just about anything. If the theory is that man has created a climate warming effect by the industrial revolution (pollution and accelerated use of natural resources) what sense does it make to go back to 138 BC to disprove the theory?

Not sure why this is not understood. The comparison is made to show the heating or cooling trend.

 

[targus]

If you custom cherry-pick the endpoints for your graphs you can 'prove' just about anything. If the theory is that man has created a climate warming effect by the industrial revolution (pollution and accelerated use of natural resources) what sense does it make to go back to 138 BC to disprove the theory?

So if the period from the industrial revolution to today is cooler on average than it has been on average since 138 BC...

In your mind that is evidence of man made global warming?

 

[InTheLight]

So if the period from the industrial revolution to today is cooler on average than it has been on average since 138 BC...

In your mind that is evidence of man made global warming?

I'd have to look at the data. For example if this is the data, it would indeed show a long term trend over 2 millennia towards cooling


Year........Average temperature
BC 138.....65 degrees
BC 38.......64.8
AD 38.......64.6
AD138.......64.5
AD500.......64.2
AD750.......64.1
AD1000.....63.9
AD1250.....63.8
AD1500.....63.6
AD1750.....63.5
AD1850.....63.8
AD1900.....64.0
AD1950.....64.3
AD2000.....64.6

Long term there is a cooling trend. But from the industrial revolution forward there is a warming trend.

 

[Mexdeaf]

I'd have to look at the data. For example if this is the data, it would indeed show a long term trend over 2 millennia towards cooling


Year........Average temperature
BC 138.....65 degrees
BC 38.......64.8
AD 38.......64.6
AD138.......64.5
AD500.......64.2
AD750.......64.1
AD1000.....63.9
AD1250.....63.8
AD1500.....63.6
AD1750.....63.5
AD1850.....63.8
AD1900.....64.0
AD1950.....64.3
AD2000.....64.6

Long term there is a cooling trend. But from the industrial revolution forward there is a warming trend.

So, then what made it so hot in BC138- Horse, sheep, oxen and goat flatulence perhaps?