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Radiography of drought periods in Spain from the last 318 years

The Mediterranean Basin has been witness to increased droughts for at least five decades, but has this always been the case? A research team has been successful in reconstructing, for the first time, the droughts from 1694 to 2012 based on the precipitation index and the study of tree growth rings. According to the study, the twelve months leading up to July 2012 were the driest.

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Northern bird found to be more resilient to winter weather1

Northern wrens are larger and more resilient to winter weather than those living in the south, new research reveals. The research means that populations inhabiting regions where winters are more severe show some form of adaptation. The research team say that their findings have particular relevance to our understanding of how birds and other species are able to respond to climate change.

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New study shows impact of human-made structures on Louisiana's coastal wetlands1

As Louisiana's wetlands continue to disappear at an alarming rate, a new study has pinpointed the human-made structures that disrupt the natural water flow and threaten these important ecosystems. The findings have important implications for New Orleans and other coastal cities that rely on coastal wetlands to serve as buffer from destructive extreme weather events.

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Acoustics researcher finds explanation for auroral sounds

In 2012, a research group proved that the source of sounds associated with the Northern Lights is located close to the ground at an altitude of approximately 70 meters. Now, by combining his measurements with the temperature profiles measured by the Finnish Meteorological Institute, a researcher has found an explanation for the mechanism that creates the sound.  According to the new inversion layer hypothesis, the popping and crackling sounds associated with the Northern Lights are born when the related geomagnetic storm activates the charges that have accumulated in the atmosphere's inversion layer causing them to discharge. 

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