Long term calculations prepared by Mainz scientists will influence the way current climate change is perceived. This important study is published in Nature Climate Change. An international team that includes 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”.

Go here to see the original:
Long term temperature record reconstructed

More on SKCEA.org:

• Republicans for Environmental Protection drops ‘Republicans’ from name
  By Lisa...
• New Sinking Islands and Lands
  The seas do rise and fall over the ages. Lands sink and rise depending on the weather. Dynamic modeling of sea-level rise, which takes storm wind and wave action into account, paints a much graver picture for some low-lying Pacific islands under climate-change scenarios than the ...
• As Tsunami Debris Crosses Pacific, Dangers Emerge
  Beaches on the West Coast are getting a regular dose of debris from the 2011 tsunami in Japan. The first few items were curiosities — a boat here, a soccer ball there — but as the litter accumulates, officials such as Washington Gov. Chris Gregoire have acknowledged the scale of ...
• New Zealand quake sends 30 million tons of ice loose from glacier
  The 6.3 magnitude earthquake that struck New Zealand on Tuesday, killing at least 75 people in Christchurch, also shook loose 30 million tons of ice from the nation's longest glacier, sending boulders of ice into a nearby lake. Tour boat operators in the area said parts of the Ta...
• When it comes to fuel efficiency, car companies are seeing the light
  Andrew Bossi The Li-on Motors Wave II can go over 100 miles per hour, thanks to its lightweight body. When anonymous Ford executives told the Wall Street Journal this summer that the company would be switching out the steel body of its iconic F-150 pickup for an all-aluminum one...